[lkp] [ext4] adad5aa544: fio.write_bw_MBps +4074.4% improvement
From: kernel test robot <hidden>
Date: 2016-11-07 02:40:11
Also in:
linux-fsdevel, oe-lkp
Greeting,
FYI, we noticed a +4074.4% improvement of fio.write_bw_MBps due to commit:
commit adad5aa544e281d84f837b2786809611cb35a999 ("ext4: Use clean_bdev_aliases() instead of iteration")
https://github.com/0day-ci/linux Jan-Kara/fs-Provide-function-to-unmap-metadata-for-a-range-of-blocks/20161105-030924
in testcase: fio-basic
on test machine: 56 threads Intel(R) Xeon(R) CPU E5-2695 v3 @ 2.30GHz with 256G memory
with following parameters:
disk: 2pmem
fs: ext4
runtime: 200s
nr_task: 50%
time_based: tb
rw: randwrite
bs: 4k
ioengine: libaio
test_size: 200G
cpufreq_governor: performance
Fio is a tool that will spawn a number of threads or processes doing a particular type of I/O action as specified by the user.
In addition to that, the commit also has significant impact on the following tests:
+------------------+-----------------------------------------------------------------------+
| testcase: change | fio-basic: fio.write_bw_MBps +3928.3% improvement |
| test machine | 56 threads Intel(R) Xeon(R) CPU E5-2695 v3 @ 2.30GHz with 256G memory |
| test parameters | bs=4k |
| | cpufreq_governor=performance |
| | disk=2pmem |
| | fs=ext4 |
| | ioengine=sync |
| | nr_task=50% |
| | runtime=200s |
| | rw=randwrite |
| | test_size=200G |
| | time_based=tb |
+------------------+-----------------------------------------------------------------------+
| testcase: change | fio-basic: fio.write_bw_MBps +88.0% improvement |
| test machine | 16 threads Intel(R) Xeon(R) CPU D-1541 @ 2.10GHz with 8G memory |
| test parameters | bs=4k |
| | cpufreq_governor=performance |
| | disk=1SSD |
| | fs=ext4 |
| | ioengine=sync |
| | nr_task=64 |
| | runtime=300s |
| | rw=randwrite |
| | test_size=400g |
+------------------+-----------------------------------------------------------------------+
| testcase: change | trinity: |
| test machine | qemu-system-x86_64 -enable-kvm -cpu IvyBridge -m 360M |
| test parameters | runtime=300s |
+------------------+-----------------------------------------------------------------------+
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
=========================================================================================
bs/compiler/cpufreq_governor/disk/fs/ioengine/kconfig/nr_task/rootfs/runtime/rw/tbox_group/test_size/testcase/time_based:
4k/gcc-6/performance/2pmem/ext4/libaio/x86_64-rhel-7.2/50%/debian-x86_64-2016-08-31.cgz/200s/randwrite/lkp-hsw-ep6/200G/fio-basic/tb
commit:
6f2b562c3a ("direct-io: Use clean_bdev_aliases() instead of handmade iteration")
adad5aa544 ("ext4: Use clean_bdev_aliases() instead of iteration")
6f2b562c3a89f4a6 adad5aa544e281d84f837b2786
---------------- --------------------------
fail:runs %reproduction fail:runs
| | |
%stddev %change %stddev
\ | \
64.45 ± 0% +4074.4% 2690 ± 2% fio.write_bw_MBps
0.05 ± 52% -100.0% 0.00 ± -1% fio.latency_1000ms%
0.01 ± 0% +1075.0% 0.12 ± 58% fio.latency_1000us%
3.41 ± 0% -97.3% 0.09 ± 8% fio.latency_10ms%
0.42 ± 4% -70.1% 0.12 ± 6% fio.latency_20ms%
23.23 ± 1% -100.0% 0.01 ± 0% fio.latency_250ms%
14.50 ± 3% -82.6% 2.52 ± 24% fio.latency_250us%
0.06 ± 20% +86.4% 0.10 ± 4% fio.latency_2ms%
0.01 ± 0% +100.0% 0.02 ± 0% fio.latency_4ms%
1.95 ± 6% -99.6% 0.01 ± 57% fio.latency_500ms%
53.08 ± 2% +52.0% 80.68 ± 3% fio.latency_500us%
0.14 ± 13% +1492.9% 2.23 ± 3% fio.latency_50ms%
1.05 ± 13% -100.0% 0.00 ± -1% fio.latency_750ms%
2.12 ± 52% +560.9% 14.03 ± 16% fio.latency_750us%
26414526 ± 0% +4069.9% 1.101e+09 ± 2% fio.time.file_system_outputs
673.00 ± 3% +915.8% 6836 ± 12% fio.time.involuntary_context_switches
35917 ± 2% +103.7% 73176 ± 11% fio.time.minor_page_faults
21.25 ± 3% +4110.6% 894.75 ± 1% fio.time.percent_of_cpu_this_job_got
29.64 ± 3% +5107.6% 1543 ± 1% fio.time.system_time
13.86 ± 2% +1755.6% 257.23 ± 1% fio.time.user_time
58627 ± 0% +808.6% 532701 ± 0% fio.time.voluntary_context_switches
166912 ± 2% -99.6% 586.00 ± 2% fio.write_clat_90%_us
207872 ± 0% -99.7% 638.00 ± 2% fio.write_clat_95%_us
521216 ± 20% -92.8% 37632 ± 1% fio.write_clat_99%_us
52577 ± 0% -97.6% 1261 ± 2% fio.write_clat_mean_us
105001 ± 2% -94.6% 5676 ± 1% fio.write_clat_stddev
16498 ± 0% +4074.4% 688706 ± 2% fio.write_iops
1693 ± 0% -97.7% 38.82 ± 2% fio.write_slat_mean_us
17054 ± 0% -94.0% 1021 ± 1% fio.write_slat_stddev
53581 ± 7% +272.4% 199560 ± 3% softirqs.RCU
158867 ± 1% +69.5% 269287 ± 0% softirqs.SCHED
565968 ± 0% +175.8% 1560998 ± 1% softirqs.TIMER
3629667 ± 9% +237.9% 12265065 ± 6% cpuidle.C1-HSW.time
66590 ± 12% +689.8% 525953 ± 2% cpuidle.C1-HSW.usage
4.193e+09 ± 11% -29.6% 2.952e+09 ± 3% cpuidle.C3-HSW.time
4346531 ± 11% -28.6% 3101279 ± 3% cpuidle.C3-HSW.usage
2467 ± 22% +434.5% 13186 ± 2% cpuidle.POLL.usage
1321503 ± 47% +4167.7% 56398032 ± 19% numa-numastat.node0.local_node
542888 ± 99% +2637.3% 14860275 ± 50% numa-numastat.node0.numa_foreign
1321513 ± 47% +4167.7% 56398044 ± 19% numa-numastat.node0.numa_hit
592541 ± 99% +1833.8% 11458393 ± 54% numa-numastat.node0.numa_miss
1425379 ± 39% +3705.7% 54245725 ± 29% numa-numastat.node1.local_node
590754 ± 99% +1840.5% 11463742 ± 55% numa-numastat.node1.numa_foreign
1425389 ± 39% +3705.7% 54245733 ± 29% numa-numastat.node1.numa_hit
541101 ± 99% +2647.3% 14865705 ± 50% numa-numastat.node1.numa_miss
66807 ± 0% +5149.0% 3506733 ± 1% vmstat.io.bo
19111 ± 1% +906.8% 192416 ± 0% vmstat.memory.buff
12571099 ± 0% +231.6% 41679612 ± 0% vmstat.memory.cache
32807369 ± 0% -89.3% 3505038 ± 0% vmstat.memory.free
27.00 ± 0% -33.3% 18.00 ± 0% vmstat.procs.b
2.00 ± 0% +475.0% 11.50 ± 4% vmstat.procs.r
2235 ± 4% +414.3% 11499 ± 3% vmstat.system.cs
57912 ± 0% +1.1% 58522 ± 0% vmstat.system.in
7.67 ± 1% +219.5% 24.51 ± 1% turbostat.%Busy
160.00 ± 1% +132.2% 371.50 ± 1% turbostat.Avg_MHz
2084 ± 1% -27.3% 1515 ± 0% turbostat.Bzy_MHz
30.71 ± 4% +10.2% 33.84 ± 1% turbostat.CPU%c1
37.92 ± 15% -32.6% 25.57 ± 9% turbostat.CPU%c3
68.50 ± 3% -6.9% 63.75 ± 3% turbostat.CoreTmp
4.84 ± 11% +69.0% 8.19 ± 21% turbostat.PKG_%
20.77 ± 19% -90.5% 1.97 ± 47% turbostat.Pkg%pc2
103.88 ± 1% +12.3% 116.62 ± 0% turbostat.PkgWatt
81.35 ± 0% +45.5% 118.40 ± 0% turbostat.RAMWatt
162447 ± 0% +131.8% 376599 ± 0% meminfo.Active
58081 ± 1% +364.5% 269806 ± 1% meminfo.Active(file)
19012 ± 1% +911.6% 192331 ± 0% meminfo.Buffers
11732139 ± 0% +240.7% 39971418 ± 0% meminfo.Cached
202839 ± 0% -78.8% 43021 ± 3% meminfo.CmaFree
8269379 ± 0% -14.8% 7041826 ± 0% meminfo.Dirty
11689070 ± 0% +236.3% 39313737 ± 0% meminfo.Inactive
11567135 ± 0% +238.8% 39191794 ± 0% meminfo.Inactive(file)
32825801 ± 0% -89.3% 3516995 ± 0% meminfo.MemFree
820135 ± 0% +106.8% 1695987 ± 0% meminfo.SReclaimable
920315 ± 0% +95.2% 1796868 ± 0% meminfo.Slab
659.25 ±100% +86807.4% 572937 ± 0% meminfo.Unevictable
4075428 ± 5% -14.0% 3506877 ± 8% numa-meminfo.node0.Dirty
5833539 ± 6% +245.8% 20174456 ± 0% numa-meminfo.node0.FilePages
5797730 ± 6% +242.3% 19845628 ± 0% numa-meminfo.node0.Inactive
5708833 ± 5% +245.6% 19726898 ± 0% numa-meminfo.node0.Inactive(file)
16344904 ± 4% -88.7% 1841535 ± 1% numa-meminfo.node0.MemFree
8261907 ± 8% +175.5% 22765276 ± 0% numa-meminfo.node0.MemUsed
381.50 ±100% +75068.0% 286766 ± 0% numa-meminfo.node0.Unevictable
76111 ± 29% +267.1% 279386 ± 12% numa-meminfo.node1.Active
24102 ± 30% +862.9% 232089 ± 5% numa-meminfo.node1.Active(file)
4193777 ± 5% -15.8% 3532488 ± 8% numa-meminfo.node1.Dirty
5920446 ± 5% +237.7% 19992694 ± 0% numa-meminfo.node1.FilePages
5894203 ± 5% +230.3% 19470961 ± 0% numa-meminfo.node1.Inactive
5861163 ± 4% +232.1% 19467743 ± 0% numa-meminfo.node1.Inactive(file)
16477881 ± 4% -89.9% 1671879 ± 2% numa-meminfo.node1.MemFree
8272729 ± 8% +179.0% 23078732 ± 0% numa-meminfo.node1.MemUsed
412948 ± 82% +176.4% 1141200 ± 6% numa-meminfo.node1.SReclaimable
457998 ± 73% +159.9% 1190119 ± 6% numa-meminfo.node1.Slab
277.50 ±100% +1e+05% 286552 ± 0% numa-meminfo.node1.Unevictable
946.00 ± 9% +31.9% 1248 ± 5% slabinfo.Acpi-ParseExt.active_objs
1003 ± 7% +28.7% 1291 ± 4% slabinfo.Acpi-ParseExt.num_objs
2728626 ± 0% +260.1% 9826661 ± 0% slabinfo.buffer_head.active_objs
69964 ± 0% +260.4% 252129 ± 0% slabinfo.buffer_head.active_slabs
2728626 ± 0% +260.4% 9833052 ± 0% slabinfo.buffer_head.num_objs
69964 ± 0% +260.4% 252129 ± 0% slabinfo.buffer_head.num_slabs
149.00 ± 37% +642.8% 1106 ± 3% slabinfo.dquot.active_objs
149.00 ± 37% +642.8% 1106 ± 3% slabinfo.dquot.num_objs
915961 ± 1% +163.7% 2415651 ± 0% slabinfo.ext4_extent_status.active_objs
8979 ± 1% +358.0% 41130 ± 1% slabinfo.ext4_extent_status.active_slabs
915961 ± 1% +358.0% 4195339 ± 1% slabinfo.ext4_extent_status.num_objs
8979 ± 1% +358.0% 41130 ± 1% slabinfo.ext4_extent_status.num_slabs
126.00 ± 0% +237.9% 425.75 ± 15% slabinfo.ext4_io_end.active_objs
126.00 ± 0% +237.9% 425.75 ± 15% slabinfo.ext4_io_end.num_objs
3350 ± 11% +32.3% 4432 ± 2% slabinfo.jbd2_journal_handle.active_objs
3350 ± 11% +32.3% 4432 ± 2% slabinfo.jbd2_journal_handle.num_objs
1818 ± 0% +1433.8% 27884 ± 2% slabinfo.jbd2_journal_head.active_objs
67.50 ± 1% +1210.4% 884.50 ± 3% slabinfo.jbd2_journal_head.active_slabs
2315 ± 1% +1199.4% 30090 ± 3% slabinfo.jbd2_journal_head.num_objs
67.50 ± 1% +1210.4% 884.50 ± 3% slabinfo.jbd2_journal_head.num_slabs
1722 ± 3% +11.7% 1923 ± 4% slabinfo.mnt_cache.active_objs
1722 ± 3% +11.7% 1923 ± 4% slabinfo.mnt_cache.num_objs
8.187e+11 ± 5% -21.5% 6.428e+11 ± 2% perf-stat.branch-instructions
0.06 ± 13% +2272.9% 1.46 ± 1% perf-stat.branch-miss-rate%
5.033e+08 ± 15% +1758.8% 9.356e+09 ± 3% perf-stat.branch-misses
3.46 ± 2% +746.3% 29.25 ± 1% perf-stat.cache-miss-rate%
1.366e+08 ± 8% +7828.0% 1.083e+10 ± 3% perf-stat.cache-misses
3.951e+09 ± 7% +837.4% 3.704e+10 ± 2% perf-stat.cache-references
447606 ± 4% +420.9% 2331472 ± 3% perf-stat.context-switches
1.91e+12 ± 3% +131.8% 4.427e+12 ± 2% perf-stat.cpu-cycles
7857 ± 6% +196.2% 23270 ± 9% perf-stat.cpu-migrations
0.03 ± 7% +3471.0% 1.23 ± 6% perf-stat.dTLB-load-miss-rate%
4.077e+08 ± 5% +2913.0% 1.228e+10 ± 7% perf-stat.dTLB-load-misses
1.195e+12 ± 12% -17.4% 9.878e+11 ± 4% perf-stat.dTLB-loads
0.01 ± 8% +1635.3% 0.13 ± 21% perf-stat.dTLB-store-miss-rate%
76890357 ± 3% +976.0% 8.273e+08 ± 23% perf-stat.dTLB-store-misses
1.067e+12 ± 11% -38.9% 6.521e+11 ± 5% perf-stat.dTLB-stores
57.00 ± 1% -38.6% 35.00 ± 2% perf-stat.iTLB-load-miss-rate%
80424911 ± 1% -15.4% 68057203 ± 2% perf-stat.iTLB-load-misses
60673587 ± 2% +108.3% 1.264e+08 ± 2% perf-stat.iTLB-loads
4.486e+12 ± 5% -20.6% 3.563e+12 ± 2% perf-stat.instructions
55749 ± 3% -6.1% 52369 ± 1% perf-stat.instructions-per-iTLB-miss
2.35 ± 2% -65.7% 0.81 ± 1% perf-stat.ipc
420593 ± 0% +9.3% 459778 ± 1% perf-stat.minor-faults
48205740 ± 7% +9150.7% 4.459e+09 ± 11% perf-stat.node-load-misses
47211353 ± 3% +9255.4% 4.417e+09 ± 17% perf-stat.node-loads
16243571 ± 8% +2951.8% 4.957e+08 ± 10% perf-stat.node-store-misses
19185688 ± 4% +2840.8% 5.642e+08 ± 4% perf-stat.node-stores
420632 ± 0% +9.3% 459778 ± 1% perf-stat.page-faults
14521 ± 1% +364.6% 67463 ± 1% proc-vmstat.nr_active_file
3310726 ± 0% +4073.0% 1.382e+08 ± 2% proc-vmstat.nr_dirtied
2067310 ± 0% -14.9% 1760148 ± 0% proc-vmstat.nr_dirty
2938080 ± 0% +241.8% 10041069 ± 0% proc-vmstat.nr_file_pages
50709 ± 0% -78.9% 10677 ± 4% proc-vmstat.nr_free_cma
8206148 ± 0% -89.3% 879094 ± 0% proc-vmstat.nr_free_pages
2892082 ± 0% +238.8% 9798085 ± 0% proc-vmstat.nr_inactive_file
205049 ± 0% +106.8% 423996 ± 0% proc-vmstat.nr_slab_reclaimable
164.75 ±100% +86842.0% 143237 ± 0% proc-vmstat.nr_unevictable
1377940 ± 1% +9813.4% 1.366e+08 ± 2% proc-vmstat.nr_written
14521 ± 1% +364.6% 67463 ± 1% proc-vmstat.nr_zone_active_file
2892082 ± 0% +238.8% 9798122 ± 0% proc-vmstat.nr_zone_inactive_file
164.75 ±100% +86842.0% 143237 ± 0% proc-vmstat.nr_zone_unevictable
2067310 ± 0% -14.9% 1760151 ± 0% proc-vmstat.nr_zone_write_pending
1133626 ± 6% +2222.1% 26324018 ± 13% proc-vmstat.numa_foreign
795.25 ± 82% +4364.9% 35507 ± 25% proc-vmstat.numa_hint_faults
493.75 ± 76% +5956.4% 29903 ± 29% proc-vmstat.numa_hint_faults_local
2748483 ± 3% +3925.7% 1.106e+08 ± 5% proc-vmstat.numa_hit
2748463 ± 3% +3925.8% 1.106e+08 ± 5% proc-vmstat.numa_local
1133626 ± 6% +2222.1% 26324092 ± 13% proc-vmstat.numa_miss
295.00 ± 93% +578.1% 2000 ± 21% proc-vmstat.numa_pages_migrated
2372 ± 77% +1632.1% 41094 ± 20% proc-vmstat.numa_pte_updates
2891 ± 7% +43.7% 4155 ± 11% proc-vmstat.pgactivate
0.00 ± 0% +Inf% 5413142 ± 5% proc-vmstat.pgalloc_dma32
4013920 ± 0% +3180.9% 1.317e+08 ± 3% proc-vmstat.pgalloc_normal
444351 ± 0% +28262.2% 1.26e+08 ± 3% proc-vmstat.pgfree
295.00 ± 93% +580.8% 2008 ± 21% proc-vmstat.pgmigrate_success
13537222 ± 0% +5160.6% 7.121e+08 ± 2% proc-vmstat.pgpgout
242.50 ±100% +70361.6% 170869 ± 0% proc-vmstat.unevictable_pgs_culled
1396319 ± 5% +1827.5% 26914501 ± 6% numa-vmstat.node0.nr_dirtied
1018825 ± 5% -14.0% 876621 ± 8% numa-vmstat.node0.nr_dirty
1458483 ± 6% +245.8% 5043691 ± 0% numa-vmstat.node0.nr_file_pages
4086118 ± 4% -88.7% 460244 ± 1% numa-vmstat.node0.nr_free_pages
1427304 ± 5% +245.5% 4931802 ± 0% numa-vmstat.node0.nr_inactive_file
95.25 ±100% +75177.2% 71701 ± 0% numa-vmstat.node0.nr_unevictable
377494 ± 7% +6797.6% 26037879 ± 6% numa-vmstat.node0.nr_written
1427304 ± 5% +245.5% 4931851 ± 0% numa-vmstat.node0.nr_zone_inactive_file
95.25 ±100% +75177.2% 71701 ± 0% numa-vmstat.node0.nr_zone_unevictable
1018825 ± 5% -14.0% 876636 ± 8% numa-vmstat.node0.nr_zone_write_pending
613506 ± 82% +938.4% 6370772 ± 55% numa-vmstat.node0.numa_foreign
1209554 ± 44% +1743.8% 22301956 ± 17% numa-vmstat.node0.numa_hit
1209543 ± 44% +1743.8% 22301941 ± 17% numa-vmstat.node0.numa_local
622639 ± 83% +717.3% 5088961 ± 41% numa-vmstat.node0.numa_miss
6025 ± 30% +863.1% 58033 ± 5% numa-vmstat.node1.nr_active_file
1399379 ± 4% +1908.6% 28107434 ± 12% numa-vmstat.node1.nr_dirtied
1048423 ± 5% -15.8% 882992 ± 8% numa-vmstat.node1.nr_dirty
1480223 ± 5% +237.7% 4998217 ± 0% numa-vmstat.node1.nr_file_pages
50710 ± 0% -78.7% 10798 ± 4% numa-vmstat.node1.nr_free_cma
4119342 ± 4% -89.9% 417911 ± 2% numa-vmstat.node1.nr_free_pages
1465406 ± 4% +232.1% 4866978 ± 0% numa-vmstat.node1.nr_inactive_file
103241 ± 82% +176.3% 285301 ± 6% numa-vmstat.node1.nr_slab_reclaimable
69.00 ±100% +1e+05% 71643 ± 0% numa-vmstat.node1.nr_unevictable
350955 ± 7% +7657.2% 27224439 ± 12% numa-vmstat.node1.nr_written
6025 ± 30% +863.1% 58033 ± 5% numa-vmstat.node1.nr_zone_active_file
1465406 ± 4% +232.1% 4866977 ± 0% numa-vmstat.node1.nr_zone_inactive_file
69.00 ±100% +1e+05% 71643 ± 0% numa-vmstat.node1.nr_zone_unevictable
1048423 ± 5% -15.8% 882992 ± 8% numa-vmstat.node1.nr_zone_write_pending
537217 ± 96% +837.7% 5037423 ± 42% numa-vmstat.node1.numa_foreign
1283021 ± 41% +1606.3% 21892238 ± 32% numa-vmstat.node1.numa_hit
1283007 ± 41% +1606.3% 21892229 ± 32% numa-vmstat.node1.numa_local
528083 ± 96% +1096.6% 6319275 ± 55% numa-vmstat.node1.numa_miss
3799 ± 0% +311.7% 15643 ± 1% sched_debug.cfs_rq:/.exec_clock.avg
88813 ± 0% -31.8% 60546 ± 15% sched_debug.cfs_rq:/.exec_clock.max
135.94 ± 11% +1748.1% 2512 ± 42% sched_debug.cfs_rq:/.exec_clock.min
16353 ± 0% -33.8% 10824 ± 12% sched_debug.cfs_rq:/.exec_clock.stddev
45073 ± 10% +356.5% 205780 ± 13% sched_debug.cfs_rq:/.load.avg
173873 ± 11% +91.4% 332795 ± 3% sched_debug.cfs_rq:/.load.stddev
31.39 ± 1% +525.1% 196.23 ± 9% sched_debug.cfs_rq:/.load_avg.avg
144.71 ± 0% +58.6% 229.45 ± 12% sched_debug.cfs_rq:/.load_avg.stddev
20203 ± 7% +47.9% 29889 ± 9% sched_debug.cfs_rq:/.min_vruntime.avg
110963 ± 2% -31.0% 76608 ± 13% sched_debug.cfs_rq:/.min_vruntime.max
17352 ± 2% -35.4% 11201 ± 11% sched_debug.cfs_rq:/.min_vruntime.stddev
0.09 ± 8% +181.7% 0.26 ± 7% sched_debug.cfs_rq:/.nr_running.avg
0.28 ± 2% +50.6% 0.43 ± 2% sched_debug.cfs_rq:/.nr_running.stddev
29.50 ± 1% +246.8% 102.30 ± 24% sched_debug.cfs_rq:/.runnable_load_avg.avg
141.43 ± 0% +44.7% 204.62 ± 9% sched_debug.cfs_rq:/.runnable_load_avg.stddev
17352 ± 2% -35.4% 11202 ± 11% sched_debug.cfs_rq:/.spread0.stddev
188.45 ± 3% +92.8% 363.35 ± 4% sched_debug.cfs_rq:/.util_avg.avg
158.51 ± 1% +45.3% 230.30 ± 7% sched_debug.cfs_rq:/.util_avg.stddev
99800 ± 0% -27.8% 72076 ± 19% sched_debug.cpu.avg_idle.min
182448 ± 3% +13.6% 207291 ± 7% sched_debug.cpu.avg_idle.stddev
6.26 ± 8% +158.0% 16.16 ± 3% sched_debug.cpu.clock.stddev
6.26 ± 8% +158.0% 16.16 ± 3% sched_debug.cpu.clock_task.stddev
29.01 ± 1% +240.9% 98.90 ± 22% sched_debug.cpu.cpu_load[0].avg
141.19 ± 0% +44.3% 203.80 ± 12% sched_debug.cpu.cpu_load[0].stddev
29.56 ± 1% +350.4% 133.15 ± 19% sched_debug.cpu.cpu_load[1].avg
142.04 ± 0% +49.6% 212.45 ± 9% sched_debug.cpu.cpu_load[1].stddev
29.26 ± 1% +342.0% 129.30 ± 19% sched_debug.cpu.cpu_load[2].avg
141.48 ± 0% +44.3% 204.21 ± 9% sched_debug.cpu.cpu_load[2].stddev
28.93 ± 1% +327.8% 123.79 ± 18% sched_debug.cpu.cpu_load[3].avg
141.35 ± 0% +38.0% 195.12 ± 10% sched_debug.cpu.cpu_load[3].stddev
28.53 ± 1% +312.9% 117.79 ± 19% sched_debug.cpu.cpu_load[4].avg
141.39 ± 0% +30.9% 185.09 ± 10% sched_debug.cpu.cpu_load[4].stddev
182.95 ± 10% +176.1% 505.11 ± 9% sched_debug.cpu.curr->pid.avg
709.20 ± 5% +32.1% 937.00 ± 1% sched_debug.cpu.curr->pid.stddev
44133 ± 11% +374.4% 209378 ± 14% sched_debug.cpu.load.avg
171770 ± 11% +94.3% 333803 ± 4% sched_debug.cpu.load.stddev
33181 ± 0% +19.9% 39776 ± 0% sched_debug.cpu.nr_load_updates.avg
98035 ± 0% -23.4% 75114 ± 9% sched_debug.cpu.nr_load_updates.max
10011 ± 4% +100.8% 20108 ± 14% sched_debug.cpu.nr_load_updates.min
12893 ± 1% -32.8% 8664 ± 12% sched_debug.cpu.nr_load_updates.stddev
0.09 ± 11% +184.3% 0.26 ± 9% sched_debug.cpu.nr_running.avg
0.28 ± 4% +51.2% 0.43 ± 2% sched_debug.cpu.nr_running.stddev
5765 ± 2% +317.3% 24062 ± 2% sched_debug.cpu.nr_switches.avg
26550 ± 39% +581.1% 180832 ± 16% sched_debug.cpu.nr_switches.max
1909 ± 5% +151.0% 4791 ± 16% sched_debug.cpu.nr_switches.min
4347 ± 23% +554.5% 28453 ± 13% sched_debug.cpu.nr_switches.stddev
0.39 ± 0% -35.7% 0.25 ± 12% sched_debug.cpu.nr_uninterruptible.avg
10.88 ± 26% +160.9% 28.38 ± 22% sched_debug.cpu.nr_uninterruptible.max
-12.44 ±-15% +120.1% -27.38 ±-29% sched_debug.cpu.nr_uninterruptible.min
4.40 ± 22% +192.3% 12.85 ± 26% sched_debug.cpu.nr_uninterruptible.stddev
3718 ± 3% +490.5% 21955 ± 2% sched_debug.cpu.sched_count.avg
23269 ± 44% +665.3% 178092 ± 16% sched_debug.cpu.sched_count.max
170.69 ± 30% +1730.8% 3125 ± 25% sched_debug.cpu.sched_count.min
4022 ± 27% +603.4% 28294 ± 13% sched_debug.cpu.sched_count.stddev
1764 ± 4% +509.7% 10757 ± 2% sched_debug.cpu.sched_goidle.avg
11576 ± 44% +666.5% 88735 ± 16% sched_debug.cpu.sched_goidle.max
51.69 ± 28% +2705.3% 1450 ± 24% sched_debug.cpu.sched_goidle.min
2023 ± 26% +598.8% 14140 ± 13% sched_debug.cpu.sched_goidle.stddev
1782 ± 4% +512.4% 10915 ± 2% sched_debug.cpu.ttwu_count.avg
15347 ± 35% +467.3% 87069 ± 18% sched_debug.cpu.ttwu_count.max
76.25 ± 47% +1728.4% 1394 ± 26% sched_debug.cpu.ttwu_count.min
2407 ± 23% +484.3% 14068 ± 17% sched_debug.cpu.ttwu_count.stddev
1010 ± 0% +75.5% 1772 ± 1% sched_debug.cpu.ttwu_local.avg
6785 ± 20% -35.4% 4380 ± 12% sched_debug.cpu.ttwu_local.max
36.69 ± 18% +959.8% 388.81 ± 26% sched_debug.cpu.ttwu_local.min
1133 ± 15% -32.6% 764.11 ± 10% sched_debug.cpu.ttwu_local.stddev
2.70 ± 3% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.___might_sleep.__might_sleep.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks
1.21 ± 9% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.___might_sleep.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
0.00 ± -1% +Inf% 1.38 ± 7% perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.alloc_pages_current.__page_cache_alloc.pagecache_get_page.grab_cache_page_write_begin
0.00 ± -1% +Inf% 2.16 ± 4% perf-profile.calltrace.cycles-pp.__block_commit_write.block_write_end.generic_write_end.ext4_da_write_end.generic_perform_write
0.00 ± -1% +Inf% 15.40 ± 3% perf-profile.calltrace.cycles-pp.__block_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
0.00 ± -1% +Inf% 15.38 ± 3% perf-profile.calltrace.cycles-pp.__block_write_begin_int.__block_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter
0.00 ± -1% +Inf% 4.40 ± 13% perf-profile.calltrace.cycles-pp.__copy_user_nocache.pmem_do_bvec.pmem_make_request.generic_make_request.submit_bio
0.00 ± -1% +Inf% 2.36 ± 18% perf-profile.calltrace.cycles-pp.__delete_from_page_cache.__remove_mapping.shrink_page_list.shrink_inactive_list.shrink_node_memcg
0.00 ± -1% +Inf% 2.35 ± 5% perf-profile.calltrace.cycles-pp.__es_insert_extent.ext4_es_insert_extent.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin
0.00 ± -1% +Inf% 0.99 ± 12% perf-profile.calltrace.cycles-pp.__es_shrink.ext4_es_scan.shrink_slab.shrink_node.kswapd
0.00 ± -1% +Inf% 0.94 ± 4% perf-profile.calltrace.cycles-pp.__es_tree_search.ext4_es_insert_extent.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin
0.00 ± -1% +Inf% 1.62 ± 13% perf-profile.calltrace.cycles-pp.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
0.00 ± -1% +Inf% 2.98 ± 2% perf-profile.calltrace.cycles-pp.__find_get_block.__getblk_gfp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks
0.00 ± -1% +Inf% 1.58 ± 2% perf-profile.calltrace.cycles-pp.__find_get_block_slow.__find_get_block.__getblk_gfp.__read_extent_tree_block.ext4_find_extent
32.81 ± 5% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
0.00 ± -1% +Inf% 29.40 ± 4% perf-profile.calltrace.cycles-pp.__generic_file_write_iter.ext4_file_write_iter.aio_run_iocb.do_io_submit.sys_io_submit
0.00 ± -1% +Inf% 3.17 ± 2% perf-profile.calltrace.cycles-pp.__getblk_gfp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks.ext4_da_get_block_prep
1.22 ± 7% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__might_sleep.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages
4.57 ± 2% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__might_sleep.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
0.00 ± -1% +Inf% 1.53 ± 8% perf-profile.calltrace.cycles-pp.__page_cache_alloc.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write
0.00 ± -1% +Inf% 2.09 ± 19% perf-profile.calltrace.cycles-pp.__radix_tree_lookup.__delete_from_page_cache.__remove_mapping.shrink_page_list.shrink_inactive_list
14.60 ± 6% -95.4% 0.67 ± 4% perf-profile.calltrace.cycles-pp.__radix_tree_lookup.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.__find_get_block_slow
0.00 ± -1% +Inf% 1.65 ± 8% perf-profile.calltrace.cycles-pp.__radix_tree_lookup.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.grab_cache_page_write_begin
0.00 ± -1% +Inf% 3.30 ± 2% perf-profile.calltrace.cycles-pp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks.ext4_da_get_block_prep.__block_write_begin_int
0.00 ± -1% +Inf% 2.99 ± 16% perf-profile.calltrace.cycles-pp.__remove_mapping.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node
0.00 ± -1% +Inf% 1.22 ± 7% perf-profile.calltrace.cycles-pp.__set_page_dirty.mark_buffer_dirty.__block_commit_write.block_write_end.generic_write_end
0.00 ± -1% +Inf% 0.92 ± 14% perf-profile.calltrace.cycles-pp.__test_set_page_writeback.ext4_bio_write_page.mpage_submit_page.mpage_process_page_bufs.mpage_prepare_extent_to_map
48.30 ± 5% -67.4% 15.72 ± 10% perf-profile.calltrace.cycles-pp.__writeback_inodes_wb.wb_writeback.wb_workfn.process_one_work.worker_thread
48.30 ± 5% -67.5% 15.72 ± 10% perf-profile.calltrace.cycles-pp.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.wb_workfn
0.00 ± -1% +Inf% 1.86 ± 8% perf-profile.calltrace.cycles-pp.add_to_page_cache_lru.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write
0.00 ± -1% +Inf% 31.07 ± 4% perf-profile.calltrace.cycles-pp.aio_run_iocb.do_io_submit.sys_io_submit.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 1.48 ± 7% perf-profile.calltrace.cycles-pp.alloc_pages_current.__page_cache_alloc.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin
2.38 ± 7% -85.1% 0.35 ±100% perf-profile.calltrace.cycles-pp.apic_timer_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
0.00 ± -1% +Inf% 2.39 ± 13% perf-profile.calltrace.cycles-pp.bio_endio.pmem_make_request.generic_make_request.submit_bio.ext4_io_submit
0.00 ± -1% +Inf% 2.19 ± 4% perf-profile.calltrace.cycles-pp.block_write_end.generic_write_end.ext4_da_write_end.generic_perform_write.__generic_file_write_iter
49.54 ± 6% -16.1% 41.58 ± 5% perf-profile.calltrace.cycles-pp.call_cpuidle.cpu_startup_entry.start_secondary
0.00 ± -1% +Inf% 2.56 ± 4% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.aio_run_iocb
50.10 ± 5% -16.2% 41.98 ± 5% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary
49.52 ± 6% -16.0% 41.58 ± 5% perf-profile.calltrace.cycles-pp.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
46.57 ± 6% -12.2% 40.89 ± 6% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
0.00 ± -1% +Inf% 32.31 ± 4% perf-profile.calltrace.cycles-pp.do_io_submit.sys_io_submit.entry_SYSCALL_64_fastpath
48.30 ± 5% -67.5% 15.72 ± 10% perf-profile.calltrace.cycles-pp.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback
0.00 ± -1% +Inf% 1.05 ± 11% perf-profile.calltrace.cycles-pp.end_page_writeback.ext4_finish_bio.ext4_end_bio.bio_endio.pmem_make_request
0.32 ±100% +10536.2% 33.77 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 0.95 ± 13% perf-profile.calltrace.cycles-pp.es_do_reclaim_extents.es_reclaim_extents.__es_shrink.ext4_es_scan.shrink_slab
0.00 ± -1% +Inf% 0.98 ± 12% perf-profile.calltrace.cycles-pp.es_reclaim_extents.__es_shrink.ext4_es_scan.shrink_slab.shrink_node
0.00 ± -1% +Inf% 0.78 ± 25% perf-profile.calltrace.cycles-pp.ext4_bio_write_page.mpage_submit_page.mpage_map_and_submit_buffers.ext4_writepages.do_writepages
0.00 ± -1% +Inf% 8.89 ± 12% perf-profile.calltrace.cycles-pp.ext4_bio_write_page.mpage_submit_page.mpage_process_page_bufs.mpage_prepare_extent_to_map.ext4_writepages
0.00 ± -1% +Inf% 14.36 ± 3% perf-profile.calltrace.cycles-pp.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin.generic_perform_write
0.00 ± -1% +Inf% 22.64 ± 4% perf-profile.calltrace.cycles-pp.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.aio_run_iocb
0.00 ± -1% +Inf% 3.30 ± 5% perf-profile.calltrace.cycles-pp.ext4_da_write_end.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.aio_run_iocb
0.00 ± -1% +Inf% 1.65 ± 6% perf-profile.calltrace.cycles-pp.ext4_end_bio.bio_endio.pmem_make_request.generic_make_request.submit_bio
0.00 ± -1% +Inf% 3.66 ± 3% perf-profile.calltrace.cycles-pp.ext4_es_insert_extent.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin
0.00 ± -1% +Inf% 4.21 ± 5% perf-profile.calltrace.cycles-pp.ext4_es_lookup_extent.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin
0.00 ± -1% +Inf% 0.99 ± 12% perf-profile.calltrace.cycles-pp.ext4_es_scan.shrink_slab.shrink_node.kswapd.kthread
0.00 ± -1% +Inf% 5.80 ± 3% perf-profile.calltrace.cycles-pp.ext4_ext_map_blocks.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin
46.91 ± 5% -97.7% 1.07 ± 24% perf-profile.calltrace.cycles-pp.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 29.67 ± 4% perf-profile.calltrace.cycles-pp.ext4_file_write_iter.aio_run_iocb.do_io_submit.sys_io_submit.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 5.40 ± 3% perf-profile.calltrace.cycles-pp.ext4_find_extent.ext4_ext_map_blocks.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin
0.00 ± -1% +Inf% 1.31 ± 11% perf-profile.calltrace.cycles-pp.ext4_finish_bio.ext4_end_bio.bio_endio.pmem_make_request.generic_make_request
0.00 ± -1% +Inf% 6.92 ± 11% perf-profile.calltrace.cycles-pp.ext4_io_submit.ext4_bio_write_page.mpage_submit_page.mpage_process_page_bufs.mpage_prepare_extent_to_map
0.00 ± -1% +Inf% 0.86 ± 24% perf-profile.calltrace.cycles-pp.ext4_io_submit.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
47.67 ± 5% -96.2% 1.81 ± 23% perf-profile.calltrace.cycles-pp.ext4_map_blocks.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
0.00 ± -1% +Inf% 1.10 ± 16% perf-profile.calltrace.cycles-pp.ext4_releasepage.try_to_release_page.shrink_page_list.shrink_inactive_list.shrink_node_memcg
48.29 ± 5% -67.6% 15.63 ± 10% perf-profile.calltrace.cycles-pp.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb
1.20 ± 10% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.find_get_entry.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks
0.00 ± -1% +Inf% 1.21 ± 2% perf-profile.calltrace.cycles-pp.find_get_entry.pagecache_get_page.__find_get_block_slow.__find_get_block.__getblk_gfp
20.02 ± 6% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.find_get_entry.pagecache_get_page.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks
0.00 ± -1% +Inf% 1.70 ± 9% perf-profile.calltrace.cycles-pp.find_get_entry.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write
0.00 ± -1% +Inf% 0.90 ± 12% perf-profile.calltrace.cycles-pp.find_get_pages_tag.pagevec_lookup_tag.mpage_prepare_extent_to_map.ext4_writepages.do_writepages
0.00 ± -1% +Inf% 7.36 ± 8% perf-profile.calltrace.cycles-pp.generic_make_request.submit_bio.ext4_io_submit.ext4_bio_write_page.mpage_submit_page
0.00 ± -1% +Inf% 0.86 ± 24% perf-profile.calltrace.cycles-pp.generic_make_request.submit_bio.ext4_io_submit.ext4_writepages.do_writepages
0.00 ± -1% +Inf% 29.06 ± 4% perf-profile.calltrace.cycles-pp.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.aio_run_iocb.do_io_submit
0.00 ± -1% +Inf% 2.48 ± 5% perf-profile.calltrace.cycles-pp.generic_write_end.ext4_da_write_end.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
0.00 ± -1% +Inf% 1.15 ± 9% perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_nodemask.alloc_pages_current.__page_cache_alloc.pagecache_get_page
0.00 ± -1% +Inf% 5.26 ± 8% perf-profile.calltrace.cycles-pp.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
0.96 ± 6% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle
0.00 ± -1% +Inf% 1.34 ± 12% perf-profile.calltrace.cycles-pp.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter
0.00 ± -1% +Inf% 1.04 ± 17% perf-profile.calltrace.cycles-pp.jbd2_journal_try_to_free_buffers.ext4_releasepage.try_to_release_page.shrink_page_list.shrink_inactive_list
0.00 ± -1% +Inf% 6.95 ± 14% perf-profile.calltrace.cycles-pp.kswapd.kthread.ret_from_fork
48.40 ± 5% -52.7% 22.88 ± 2% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork
0.91 ± 9% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle
0.00 ± -1% +Inf% 1.57 ± 6% perf-profile.calltrace.cycles-pp.mark_buffer_dirty.__block_commit_write.block_write_end.generic_write_end.ext4_da_write_end
0.00 ± -1% +Inf% 1.34 ± 25% perf-profile.calltrace.cycles-pp.mpage_map_and_submit_buffers.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
0.00 ± -1% +Inf% 11.30 ± 12% perf-profile.calltrace.cycles-pp.mpage_prepare_extent_to_map.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
0.00 ± -1% +Inf% 10.02 ± 11% perf-profile.calltrace.cycles-pp.mpage_process_page_bufs.mpage_prepare_extent_to_map.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 0.84 ± 25% perf-profile.calltrace.cycles-pp.mpage_submit_page.mpage_map_and_submit_buffers.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 9.40 ± 12% perf-profile.calltrace.cycles-pp.mpage_submit_page.mpage_process_page_bufs.mpage_prepare_extent_to_map.ext4_writepages.do_writepages
0.00 ± -1% +Inf% 1.28 ± 2% perf-profile.calltrace.cycles-pp.pagecache_get_page.__find_get_block_slow.__find_get_block.__getblk_gfp.__read_extent_tree_block
26.12 ± 6% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.pagecache_get_page.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks
0.00 ± -1% +Inf% 5.19 ± 8% perf-profile.calltrace.cycles-pp.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter
0.00 ± -1% +Inf% 0.91 ± 12% perf-profile.calltrace.cycles-pp.pagevec_lookup_tag.mpage_prepare_extent_to_map.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 4.59 ± 8% perf-profile.calltrace.cycles-pp.pmem_do_bvec.pmem_make_request.generic_make_request.submit_bio.ext4_io_submit
0.00 ± -1% +Inf% 6.95 ± 8% perf-profile.calltrace.cycles-pp.pmem_make_request.generic_make_request.submit_bio.ext4_io_submit.ext4_bio_write_page
0.00 ± -1% +Inf% 0.84 ± 23% perf-profile.calltrace.cycles-pp.pmem_make_request.generic_make_request.submit_bio.ext4_io_submit.ext4_writepages
12.15 ± 46% -77.5% 2.74 ± 50% perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry
48.36 ± 5% -67.4% 15.75 ± 10% perf-profile.calltrace.cycles-pp.process_one_work.worker_thread.kthread.ret_from_fork
16.45 ± 6% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.__find_get_block_slow.unmap_underlying_metadata
0.00 ± -1% +Inf% 1.66 ± 8% perf-profile.calltrace.cycles-pp.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin
48.40 ± 5% -52.7% 22.88 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork
0.00 ± -1% +Inf% 5.92 ± 15% perf-profile.calltrace.cycles-pp.shrink_inactive_list.shrink_node_memcg.shrink_node.kswapd.kthread
0.00 ± -1% +Inf% 6.94 ± 14% perf-profile.calltrace.cycles-pp.shrink_node.kswapd.kthread.ret_from_fork
0.00 ± -1% +Inf% 5.94 ± 15% perf-profile.calltrace.cycles-pp.shrink_node_memcg.shrink_node.kswapd.kthread.ret_from_fork
0.00 ± -1% +Inf% 5.37 ± 15% perf-profile.calltrace.cycles-pp.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node.kswapd
0.00 ± -1% +Inf% 1.00 ± 13% perf-profile.calltrace.cycles-pp.shrink_slab.shrink_node.kswapd.kthread.ret_from_fork
2.32 ± 8% -85.1% 0.34 ±100% perf-profile.calltrace.cycles-pp.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry
50.21 ± 5% -16.3% 42.00 ± 5% perf-profile.calltrace.cycles-pp.start_secondary
0.00 ± -1% +Inf% 6.91 ± 11% perf-profile.calltrace.cycles-pp.submit_bio.ext4_io_submit.ext4_bio_write_page.mpage_submit_page.mpage_process_page_bufs
0.00 ± -1% +Inf% 0.86 ± 24% perf-profile.calltrace.cycles-pp.submit_bio.ext4_io_submit.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 32.48 ± 4% perf-profile.calltrace.cycles-pp.sys_io_submit.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 0.87 ± 10% perf-profile.calltrace.cycles-pp.test_clear_page_writeback.end_page_writeback.ext4_finish_bio.ext4_end_bio.bio_endio
0.00 ± -1% +Inf% 1.12 ± 17% perf-profile.calltrace.cycles-pp.try_to_release_page.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node
42.84 ± 5% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages
48.30 ± 5% -67.4% 15.72 ± 10% perf-profile.calltrace.cycles-pp.wb_workfn.process_one_work.worker_thread.kthread.ret_from_fork
48.30 ± 5% -67.4% 15.72 ± 10% perf-profile.calltrace.cycles-pp.wb_writeback.wb_workfn.process_one_work.worker_thread.kthread
48.36 ± 5% -67.4% 15.76 ± 10% perf-profile.calltrace.cycles-pp.worker_thread.kthread.ret_from_fork
48.30 ± 5% -67.5% 15.72 ± 10% perf-profile.calltrace.cycles-pp.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.wb_workfn.process_one_work
3.93 ± 2% -84.2% 0.62 ± 2% perf-profile.children.cycles-pp.___might_sleep
0.02 ±173% +7942.9% 1.41 ± 7% perf-profile.children.cycles-pp.__alloc_pages_nodemask
0.01 ±173% +17180.0% 2.16 ± 4% perf-profile.children.cycles-pp.__block_commit_write
0.05 ± 62% +32336.8% 15.41 ± 3% perf-profile.children.cycles-pp.__block_write_begin
0.05 ± 62% +32300.0% 15.39 ± 3% perf-profile.children.cycles-pp.__block_write_begin_int
0.18 ± 13% +2764.4% 5.23 ± 9% perf-profile.children.cycles-pp.__copy_user_nocache
0.00 ± -1% +Inf% 2.36 ± 18% perf-profile.children.cycles-pp.__delete_from_page_cache
0.06 ± 64% +4572.7% 2.57 ± 4% perf-profile.children.cycles-pp.__es_insert_extent
0.00 ± -1% +Inf% 0.99 ± 12% perf-profile.children.cycles-pp.__es_shrink
0.00 ± -1% +Inf% 1.16 ± 2% perf-profile.children.cycles-pp.__es_tree_search
0.01 ±173% +14200.0% 1.79 ± 12% perf-profile.children.cycles-pp.__ext4_journal_start_sb
0.00 ± -1% +Inf% 3.10 ± 2% perf-profile.children.cycles-pp.__find_get_block
33.44 ± 5% -95.1% 1.65 ± 1% perf-profile.children.cycles-pp.__find_get_block_slow
0.30 ± 10% +9542.6% 29.41 ± 4% perf-profile.children.cycles-pp.__generic_file_write_iter
0.00 ± -1% +Inf% 3.31 ± 2% perf-profile.children.cycles-pp.__getblk_gfp
5.83 ± 3% -85.3% 0.86 ± 5% perf-profile.children.cycles-pp.__might_sleep
0.01 ±173% +10133.3% 1.53 ± 8% perf-profile.children.cycles-pp.__page_cache_alloc
15.24 ± 6% -70.8% 4.45 ± 7% perf-profile.children.cycles-pp.__radix_tree_lookup
0.00 ± -1% +Inf% 3.41 ± 2% perf-profile.children.cycles-pp.__read_extent_tree_block
0.00 ± -1% +Inf% 2.99 ± 16% perf-profile.children.cycles-pp.__remove_mapping
0.00 ± -1% +Inf% 1.23 ± 7% perf-profile.children.cycles-pp.__set_page_dirty
0.00 ± -1% +Inf% 1.04 ± 13% perf-profile.children.cycles-pp.__test_set_page_writeback
48.30 ± 5% -67.4% 15.72 ± 10% perf-profile.children.cycles-pp.__writeback_inodes_wb
48.30 ± 5% -67.5% 15.72 ± 10% perf-profile.children.cycles-pp.__writeback_single_inode
0.09 ± 17% +1352.9% 1.23 ± 8% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.00 ± -1% +Inf% 1.87 ± 8% perf-profile.children.cycles-pp.add_to_page_cache_lru
0.32 ± 12% +9536.4% 31.08 ± 4% perf-profile.children.cycles-pp.aio_run_iocb
0.02 ±173% +8442.9% 1.50 ± 7% perf-profile.children.cycles-pp.alloc_pages_current
2.58 ± 7% -65.8% 0.88 ± 28% perf-profile.children.cycles-pp.apic_timer_interrupt
0.07 ± 66% +3833.3% 2.95 ± 9% perf-profile.children.cycles-pp.bio_endio
0.03 ±100% +7881.8% 2.20 ± 4% perf-profile.children.cycles-pp.block_write_end
50.15 ± 5% -15.4% 42.45 ± 4% perf-profile.children.cycles-pp.call_cpuidle
0.05 ± 9% +4868.2% 2.73 ± 4% perf-profile.children.cycles-pp.copy_user_enhanced_fast_string
50.70 ± 5% -15.5% 42.85 ± 4% perf-profile.children.cycles-pp.cpu_startup_entry
50.11 ± 5% -15.3% 42.45 ± 4% perf-profile.children.cycles-pp.cpuidle_enter
46.86 ± 6% -11.1% 41.67 ± 5% perf-profile.children.cycles-pp.cpuidle_enter_state
0.34 ± 14% +9334.3% 32.31 ± 4% perf-profile.children.cycles-pp.do_io_submit
48.30 ± 5% -67.5% 15.72 ± 10% perf-profile.children.cycles-pp.do_writepages
0.01 ±173% +10480.0% 1.32 ± 9% perf-profile.children.cycles-pp.end_page_writeback
0.64 ± 10% +5173.9% 33.88 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 0.95 ± 13% perf-profile.children.cycles-pp.es_do_reclaim_extents
0.00 ± -1% +Inf% 0.98 ± 12% perf-profile.children.cycles-pp.es_reclaim_extents
0.05 ± 61% +19285.0% 9.69 ± 10% perf-profile.children.cycles-pp.ext4_bio_write_page
0.01 ±173% +1.1e+05% 14.36 ± 3% perf-profile.children.cycles-pp.ext4_da_get_block_prep
0.17 ± 10% +13621.2% 22.64 ± 4% perf-profile.children.cycles-pp.ext4_da_write_begin
0.04 ± 59% +7238.9% 3.30 ± 5% perf-profile.children.cycles-pp.ext4_da_write_end
0.04 ±100% +5253.3% 2.01 ± 6% perf-profile.children.cycles-pp.ext4_end_bio
0.09 ± 26% +4362.2% 4.13 ± 3% perf-profile.children.cycles-pp.ext4_es_insert_extent
0.04 ± 60% +10347.1% 4.44 ± 5% perf-profile.children.cycles-pp.ext4_es_lookup_extent
0.00 ± -1% +Inf% 0.99 ± 12% perf-profile.children.cycles-pp.ext4_es_scan
46.91 ± 5% -85.3% 6.88 ± 6% perf-profile.children.cycles-pp.ext4_ext_map_blocks
0.30 ± 11% +9709.1% 29.67 ± 4% perf-profile.children.cycles-pp.ext4_file_write_iter
0.04 ±102% +15914.3% 5.60 ± 4% perf-profile.children.cycles-pp.ext4_find_extent
0.03 ±100% +5800.0% 1.62 ± 9% perf-profile.children.cycles-pp.ext4_finish_bio
0.23 ± 16% +3540.2% 8.37 ± 9% perf-profile.children.cycles-pp.ext4_io_submit
47.67 ± 5% -96.2% 1.82 ± 23% perf-profile.children.cycles-pp.ext4_map_blocks
0.00 ± -1% +Inf% 0.84 ± 31% perf-profile.children.cycles-pp.ext4_put_io_end_defer
0.00 ± -1% +Inf% 1.10 ± 16% perf-profile.children.cycles-pp.ext4_releasepage
48.29 ± 5% -67.6% 15.63 ± 10% perf-profile.children.cycles-pp.ext4_writepages
21.26 ± 6% -85.9% 2.99 ± 6% perf-profile.children.cycles-pp.find_get_entry
0.10 ± 9% +852.6% 0.91 ± 12% perf-profile.children.cycles-pp.find_get_pages_tag
0.30 ± 17% +2817.5% 8.75 ± 9% perf-profile.children.cycles-pp.generic_make_request
0.29 ± 10% +9924.1% 29.07 ± 4% perf-profile.children.cycles-pp.generic_perform_write
0.04 ± 58% +6118.7% 2.49 ± 5% perf-profile.children.cycles-pp.generic_write_end
0.01 ±173% +9420.0% 1.19 ± 9% perf-profile.children.cycles-pp.get_page_from_freelist
0.10 ± 5% +5450.0% 5.27 ± 8% perf-profile.children.cycles-pp.grab_cache_page_write_begin
1.01 ± 10% -56.3% 0.44 ± 26% perf-profile.children.cycles-pp.hrtimer_interrupt
1.55 ± 9% -69.5% 0.47 ± 26% perf-profile.children.cycles-pp.irq_exit
0.00 ± -1% +Inf% 1.49 ± 11% perf-profile.children.cycles-pp.jbd2__journal_start
0.00 ± -1% +Inf% 1.05 ± 17% perf-profile.children.cycles-pp.jbd2_journal_try_to_free_buffers
0.01 ±173% +8660.0% 1.09 ± 6% perf-profile.children.cycles-pp.kmem_cache_alloc
0.00 ± -1% +Inf% 6.95 ± 14% perf-profile.children.cycles-pp.kswapd
48.40 ± 5% -52.7% 22.88 ± 2% perf-profile.children.cycles-pp.kthread
1.04 ± 10% -56.4% 0.45 ± 27% perf-profile.children.cycles-pp.local_apic_timer_interrupt
0.00 ± -1% +Inf% 1.57 ± 5% perf-profile.children.cycles-pp.mark_buffer_dirty
0.21 ± 9% +524.4% 1.34 ± 25% perf-profile.children.cycles-pp.mpage_map_and_submit_buffers
0.12 ± 15% +9124.5% 11.30 ± 12% perf-profile.children.cycles-pp.mpage_prepare_extent_to_map
0.00 ± -1% +Inf% 10.03 ± 11% perf-profile.children.cycles-pp.mpage_process_page_bufs
0.07 ± 58% +15100.0% 10.26 ± 10% perf-profile.children.cycles-pp.mpage_submit_page
26.82 ± 6% -75.6% 6.53 ± 6% perf-profile.children.cycles-pp.pagecache_get_page
0.10 ± 9% +860.5% 0.91 ± 13% perf-profile.children.cycles-pp.pagevec_lookup_tag
0.18 ± 13% +2830.1% 5.35 ± 9% perf-profile.children.cycles-pp.pmem_do_bvec
0.28 ± 17% +2935.1% 8.42 ± 9% perf-profile.children.cycles-pp.pmem_make_request
12.15 ± 46% -77.3% 2.76 ± 50% perf-profile.children.cycles-pp.poll_idle
48.36 ± 5% -67.4% 15.75 ± 10% perf-profile.children.cycles-pp.process_one_work
17.14 ± 6% -86.0% 2.39 ± 6% perf-profile.children.cycles-pp.radix_tree_lookup_slot
48.40 ± 5% -52.7% 22.88 ± 2% perf-profile.children.cycles-pp.ret_from_fork
0.00 ± -1% +Inf% 5.92 ± 15% perf-profile.children.cycles-pp.shrink_inactive_list
0.00 ± -1% +Inf% 6.94 ± 14% perf-profile.children.cycles-pp.shrink_node
0.00 ± -1% +Inf% 5.94 ± 15% perf-profile.children.cycles-pp.shrink_node_memcg
0.00 ± -1% +Inf% 5.37 ± 15% perf-profile.children.cycles-pp.shrink_page_list
0.00 ± -1% +Inf% 1.00 ± 13% perf-profile.children.cycles-pp.shrink_slab
2.51 ± 8% -65.7% 0.86 ± 28% perf-profile.children.cycles-pp.smp_apic_timer_interrupt
50.21 ± 5% -16.3% 42.00 ± 5% perf-profile.children.cycles-pp.start_secondary
0.30 ± 17% +2828.3% 8.79 ± 9% perf-profile.children.cycles-pp.submit_bio
0.35 ± 15% +9326.8% 32.52 ± 4% perf-profile.children.cycles-pp.sys_io_submit
0.00 ± -1% +Inf% 1.09 ± 9% perf-profile.children.cycles-pp.test_clear_page_writeback
0.00 ± -1% +Inf% 1.13 ± 17% perf-profile.children.cycles-pp.try_to_release_page
43.48 ± 5% -99.9% 0.03 ±100% perf-profile.children.cycles-pp.unmap_underlying_metadata
48.30 ± 5% -67.4% 15.72 ± 10% perf-profile.children.cycles-pp.wb_workfn
48.30 ± 5% -67.4% 15.72 ± 10% perf-profile.children.cycles-pp.wb_writeback
48.36 ± 5% -67.4% 15.76 ± 10% perf-profile.children.cycles-pp.worker_thread
48.30 ± 5% -67.5% 15.72 ± 10% perf-profile.children.cycles-pp.writeback_sb_inodes
3.93 ± 2% -84.2% 0.62 ± 2% perf-profile.self.cycles-pp.___might_sleep
0.18 ± 13% +2764.4% 5.23 ± 9% perf-profile.self.cycles-pp.__copy_user_nocache
0.01 ±173% +9700.0% 1.23 ± 2% perf-profile.self.cycles-pp.__es_insert_extent
0.00 ± -1% +Inf% 1.07 ± 2% perf-profile.self.cycles-pp.__es_tree_search
6.10 ± 4% -95.7% 0.27 ± 5% perf-profile.self.cycles-pp.__find_get_block_slow
3.10 ± 6% -87.1% 0.40 ± 8% perf-profile.self.cycles-pp.__might_sleep
15.24 ± 6% -70.8% 4.45 ± 7% perf-profile.self.cycles-pp.__radix_tree_lookup
0.05 ± 9% +4868.2% 2.73 ± 4% perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
0.04 ± 60% +9776.5% 4.20 ± 5% perf-profile.self.cycles-pp.ext4_es_lookup_extent
1.22 ± 7% -87.1% 0.16 ± 13% perf-profile.self.cycles-pp.ext4_ext_map_blocks
0.00 ± -1% +Inf% 1.86 ± 9% perf-profile.self.cycles-pp.ext4_find_extent
0.00 ± -1% +Inf% 0.84 ± 31% perf-profile.self.cycles-pp.ext4_put_io_end_defer
4.18 ± 5% -85.6% 0.60 ± 4% perf-profile.self.cycles-pp.find_get_entry
6.03 ± 6% -98.1% 0.11 ± 17% perf-profile.self.cycles-pp.pagecache_get_page
12.15 ± 46% -77.3% 2.76 ± 50% perf-profile.self.cycles-pp.poll_idle
2.47 ± 4% -100.0% 0.00 ± -1% perf-profile.self.cycles-pp.radix_tree_lookup_slot
4.26 ± 8% -100.0% 0.00 ± -1% perf-profile.self.cycles-pp.unmap_underlying_metadata
fio.write_bw_MBps
3500 ++-------------------------------------------------------------------+
| O |
3000 ++ O |
O O O O O O O O O O O O O
2500 ++ O O O O O O O O O O O O O |
| |
2000 ++ |
| |
1500 ++ |
| |
1000 ++ |
| |
500 ++ |
| |
0 *+-*-*--*-*--*-*--*-*--*--*-*--*-*--*-*--*-*--*--*-*--*-*--*-*--*-*--*
fio.write_iops
900000 ++-----------------------------------------------------------------+
| |
800000 ++ O O |
700000 O+O O O O O O O O O O O
| O O O O O O O O O O O O O O |
600000 ++ |
500000 ++ |
| |
400000 ++ |
300000 ++ |
| |
200000 ++ |
100000 ++ |
| |
0 *+*--*-*--*-*--*-*--*-*--*-*--*-*--*-*--*-*--*-*--*-*--*-*--*-*--*-*
fio.write_clat_mean_us
60000 ++------------------------------------------------------------------+
| .*. .*. |
50000 *+.*.*..*.*..*.*. *..*.*. *..*.*..*.*..*.*..*.*..*.*..*.*..*.*..*
| |
| |
40000 ++ |
| |
30000 ++ |
| |
20000 ++ |
| |
| |
10000 ++ |
| |
0 O+-O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O
fio.write_clat_stddev
120000 ++-----------------------------------------------------------------+
| .*.. .*..*. .*.*.. .*.|
100000 *+*..*.*..* * *. *.*..*.*..*.*..*.*..*.*..*.*..*.*. *
| |
| |
80000 ++ |
| |
60000 ++ |
| |
40000 ++ |
| |
| |
20000 ++ |
O O O O O O O O O O O O O O O O O O O O O O O O O O O O
0 ++-----------------------------------------------------------------+
fio.write_clat_90__us
200000 ++-----------------------------------------------------------------+
180000 ++ *.. |
| .*.*.. + .*..*.*..*.*.. .*.*.. .*..*. .*. .*..*.*
160000 *+*. * * *.*. *.*..* *. *..* |
140000 ++ |
| |
120000 ++ |
100000 ++ |
80000 ++ |
| |
60000 ++ |
40000 ++ |
| |
20000 ++ |
0 O+O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O
fio.write_clat_95__us
250000 ++-----------------------------------------------------------------+
| |
*.*..*.*..*.*..*.*..*.*..*.*..*.*..*.*..*.*..*.*..*.*..*.*..*.*..*.*
200000 ++ |
| |
| |
150000 ++ |
| |
100000 ++ |
| |
| |
50000 ++ |
| |
| |
0 O+O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O--O-O
fio.write_clat_99__us
700000 ++-----------------------------------------------------------------+
| *.* * *..* *.* *.* *..* *.* *.*
600000 ++ : : :: : : : : : : : : : : : |
| : : : : : : : : : : : : : : : |
500000 ++ : : : : : : : : : : : : : : : |
| : :: :: :: : : : : :: : : |
400000 *+* * * * *.* *.*..* * *.* |
| |
300000 ++ |
| |
200000 ++ |
| |
100000 ++ |
O O O O O O O O O O O O O O O O O O O O O O O O O O O O
0 ++-----------------------------------------------------------------+
fio.write_slat_mean_us
1800 ++----------------*---------*----------------------------------------+
*..*.*..*.*..*.*. *..*..* *.*..*.*..*.*..*..*.*..*.*..*.*..*.*..*
1600 ++ |
1400 ++ |
| |
1200 ++ |
1000 ++ |
| |
800 ++ |
600 ++ |
| |
400 ++ |
200 ++ |
| |
0 O+-O-O--O-O--O-O--O-O--O--O-O--O-O--O-O--O-O--O--O-O--O-O--O-O--O-O--O
fio.write_slat_stddev
18000 ++----------------*-*----*--*---------------------------------------+
*..*.*..*.*..*.*. * *..*.*..*.*..*.*..*.*..*.*..*.*..*.*..*
16000 ++ |
14000 ++ |
| |
12000 ++ |
10000 ++ |
| |
8000 ++ |
6000 ++ |
| |
4000 ++ |
2000 ++ |
O O O O O O O O O O O O O O O O O O O O O O O O O O O O
0 ++------------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
***************************************************************************************************
lkp-hsw-ep6: 56 threads Intel(R) Xeon(R) CPU E5-2695 v3 @ 2.30GHz with 256G memory
=========================================================================================
bs/compiler/cpufreq_governor/disk/fs/ioengine/kconfig/nr_task/rootfs/runtime/rw/tbox_group/test_size/testcase/time_based:
4k/gcc-6/performance/2pmem/ext4/sync/x86_64-rhel-7.2/50%/debian-x86_64-2016-08-31.cgz/200s/randwrite/lkp-hsw-ep6/200G/fio-basic/tb
commit:
6f2b562c3a ("direct-io: Use clean_bdev_aliases() instead of handmade iteration")
adad5aa544 ("ext4: Use clean_bdev_aliases() instead of iteration")
6f2b562c3a89f4a6 adad5aa544e281d84f837b2786
---------------- --------------------------
fail:runs %reproduction fail:runs
| | |
%stddev %change %stddev
\ | \
64.51 ± 0% +3928.3% 2598 ± 1% fio.write_bw_MBps
16514 ± 0% +3928.3% 665261 ± 1% fio.write_iops
0.01 ± 34% +860.0% 0.12 ± 15% fio.latency_100us%
0.13 ± 0% -92.3% 0.01 ± 0% fio.latency_10ms%
73.95 ± 3% -44.9% 40.77 ± 9% fio.latency_10us%
22.26 ± 11% +152.0% 56.10 ± 6% fio.latency_20us%
0.99 ± 1% -99.0% 0.01 ± 0% fio.latency_250ms%
1.14 ± 38% -79.4% 0.23 ± 21% fio.latency_4us%
1.50 ± 14% +78.5% 2.68 ± 15% fio.latency_50us%
26441098 ± 0% +3924.1% 1.064e+09 ± 1% fio.time.file_system_outputs
697.50 ± 10% +751.8% 5941 ± 13% fio.time.involuntary_context_switches
35000 ± 2% +85.3% 64861 ± 9% fio.time.minor_page_faults
19.75 ± 2% +3984.8% 806.75 ± 2% fio.time.percent_of_cpu_this_job_got
27.40 ± 2% +5046.0% 1410 ± 2% fio.time.system_time
13.58 ± 4% +1448.1% 210.31 ± 2% fio.time.user_time
58660 ± 1% +880.4% 575084 ± 1% fio.time.voluntary_context_switches
12.00 ± 5% +25.0% 15.00 ± 4% fio.write_clat_90%_us
35088 ±126% -99.9% 31.50 ± 4% fio.write_clat_99%_us
1692 ± 0% -97.6% 40.74 ± 1% fio.write_clat_mean_us
17029 ± 1% -93.8% 1058 ± 0% fio.write_clat_stddev
53709 ± 8% +262.8% 194831 ± 5% softirqs.RCU
131442 ± 21% +103.9% 267986 ± 1% softirqs.SCHED
564652 ± 0% +160.4% 1470111 ± 1% softirqs.TIMER
7.64 ± 1% +202.8% 23.14 ± 1% turbostat.%Busy
160.00 ± 1% +119.7% 351.50 ± 1% turbostat.Avg_MHz
2093 ± 0% -27.5% 1518 ± 0% turbostat.Bzy_MHz
33.02 ± 8% -21.7% 25.84 ± 15% turbostat.CPU%c3
27.55 ± 3% -36.9% 17.38 ± 24% turbostat.CPU%c6
104.45 ± 1% +10.0% 114.90 ± 1% turbostat.PkgWatt
81.34 ± 0% +44.8% 117.79 ± 0% turbostat.RAMWatt
898622 ± 71% +5898.0% 53899245 ± 30% numa-numastat.node0.local_node
266526 ±170% +6795.0% 18377074 ± 77% numa-numastat.node0.numa_foreign
898629 ± 71% +5897.9% 53899261 ± 30% numa-numastat.node0.numa_hit
952875 ± 57% +971.7% 10212364 ± 77% numa-numastat.node0.numa_miss
1759729 ± 31% +2688.3% 49067006 ± 48% numa-numastat.node1.local_node
956501 ± 57% +966.7% 10203280 ± 77% numa-numastat.node1.numa_foreign
1759741 ± 31% +2688.3% 49067011 ± 48% numa-numastat.node1.numa_hit
270153 ±168% +6699.2% 18368109 ± 77% numa-numastat.node1.numa_miss
67997 ± 1% +4935.1% 3423742 ± 1% vmstat.io.bo
19171 ± 0% +902.5% 192190 ± 0% vmstat.memory.buff
12561916 ± 0% +231.4% 41626714 ± 0% vmstat.memory.cache
32814140 ± 0% -89.1% 3561112 ± 1% vmstat.memory.free
27.00 ± 0% -30.6% 18.75 ± 2% vmstat.procs.b
2.00 ± 0% +425.0% 10.50 ± 4% vmstat.procs.r
2267 ± 7% +425.8% 11922 ± 2% vmstat.system.cs
57499 ± 0% +2.0% 58675 ± 0% vmstat.system.in
3757119 ± 10% +258.1% 13452676 ± 12% cpuidle.C1-HSW.time
70143 ± 23% +684.6% 550376 ± 8% cpuidle.C1-HSW.usage
1.719e+08 ± 45% -73.5% 45531804 ± 32% cpuidle.C1E-HSW.time
214536 ± 37% -51.0% 105146 ± 14% cpuidle.C1E-HSW.usage
4.173e+09 ± 6% -24.9% 3.133e+09 ± 6% cpuidle.C3-HSW.time
4335690 ± 6% -24.1% 3290671 ± 6% cpuidle.C3-HSW.usage
6.14e+09 ± 3% -9.9% 5.529e+09 ± 2% cpuidle.C6-HSW.time
6354558 ± 3% -9.8% 5734069 ± 2% cpuidle.C6-HSW.usage
2300 ± 14% +510.3% 14041 ± 5% cpuidle.POLL.usage
164216 ± 1% +128.1% 374592 ± 1% meminfo.Active
59099 ± 2% +350.9% 266480 ± 1% meminfo.Active(file)
19136 ± 0% +904.0% 192130 ± 0% meminfo.Buffers
11734813 ± 0% +240.2% 39922439 ± 0% meminfo.Cached
202840 ± 0% -76.6% 47427 ± 7% meminfo.CmaFree
8241883 ± 0% -14.8% 7022847 ± 0% meminfo.Dirty
11690671 ± 0% +235.9% 39269224 ± 0% meminfo.Inactive
11568749 ± 0% +238.4% 39147090 ± 0% meminfo.Inactive(file)
32820647 ± 0% -89.1% 3569553 ± 1% meminfo.MemFree
820377 ± 0% +106.7% 1695619 ± 0% meminfo.SReclaimable
919835 ± 0% +95.1% 1794614 ± 0% meminfo.Slab
989.25 ± 57% +57562.5% 570426 ± 0% meminfo.Unevictable
71280 ± 25% +220.1% 228145 ± 33% numa-meminfo.node0.Active
29498 ± 24% +440.1% 159331 ± 41% numa-meminfo.node0.Active(file)
5690258 ± 5% +248.7% 19839495 ± 0% numa-meminfo.node0.FilePages
5658227 ± 5% +242.7% 19392224 ± 0% numa-meminfo.node0.Inactive
5571535 ± 5% +246.5% 19303184 ± 0% numa-meminfo.node0.Inactive(file)
16701744 ± 3% -89.1% 1827775 ± 2% numa-meminfo.node0.MemFree
7905066 ± 7% +188.2% 22779035 ± 0% numa-meminfo.node0.MemUsed
235449 ±123% +278.8% 891948 ± 12% numa-meminfo.node0.SReclaimable
288330 ±100% +228.3% 946566 ± 12% numa-meminfo.node0.Slab
467.50 ± 60% +60926.3% 285297 ± 0% numa-meminfo.node0.Unevictable
29610 ± 27% +260.3% 106675 ± 59% numa-meminfo.node1.Active(file)
6066070 ± 5% +234.0% 20260420 ± 0% numa-meminfo.node1.FilePages
6034806 ± 5% +229.1% 19862918 ± 0% numa-meminfo.node1.Inactive
5999586 ± 5% +230.5% 19829825 ± 0% numa-meminfo.node1.Inactive(file)
16116396 ± 4% -89.1% 1756070 ± 0% numa-meminfo.node1.MemFree
8634214 ± 7% +166.3% 22994540 ± 0% numa-meminfo.node1.MemUsed
521.25 ± 60% +54624.3% 285250 ± 0% numa-meminfo.node1.Unevictable
2728768 ± 0% +259.7% 9814399 ± 0% slabinfo.buffer_head.active_objs
69967 ± 0% +260.0% 251912 ± 0% slabinfo.buffer_head.active_slabs
2728768 ± 0% +260.0% 9824608 ± 0% slabinfo.buffer_head.num_objs
69967 ± 0% +260.0% 251912 ± 0% slabinfo.buffer_head.num_slabs
115.25 ± 24% +785.9% 1021 ± 9% slabinfo.dquot.active_objs
115.25 ± 24% +785.9% 1021 ± 9% slabinfo.dquot.num_objs
925018 ± 1% +162.9% 2432034 ± 0% slabinfo.ext4_extent_status.active_objs
9068 ± 1% +357.6% 41494 ± 1% slabinfo.ext4_extent_status.active_slabs
925018 ± 1% +357.6% 4232438 ± 1% slabinfo.ext4_extent_status.num_objs
9068 ± 1% +357.6% 41494 ± 1% slabinfo.ext4_extent_status.num_slabs
149.50 ± 27% +239.1% 507.00 ± 65% slabinfo.ext4_io_end.active_objs
149.50 ± 27% +239.1% 507.00 ± 65% slabinfo.ext4_io_end.num_objs
3009 ± 10% +53.9% 4631 ± 0% slabinfo.jbd2_journal_handle.active_objs
3009 ± 10% +53.9% 4631 ± 0% slabinfo.jbd2_journal_handle.num_objs
1808 ± 9% +1387.2% 26889 ± 1% slabinfo.jbd2_journal_head.active_objs
67.50 ± 4% +1158.9% 849.75 ± 1% slabinfo.jbd2_journal_head.active_slabs
2310 ± 4% +1151.5% 28909 ± 1% slabinfo.jbd2_journal_head.num_objs
67.50 ± 4% +1158.9% 849.75 ± 1% slabinfo.jbd2_journal_head.num_slabs
145655 ± 2% -77.5% 32809 ± 0% latency_stats.avg.balance_dirty_pages.balance_dirty_pages_ratelimited.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 40251 ± 5% latency_stats.avg.jbd2_log_wait_commit.jbd2_log_do_checkpoint.__jbd2_log_wait_for_space.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
0.00 ± -1% +Inf% 40772 ± 4% latency_stats.avg.jbd2_log_wait_commit.jbd2_log_do_checkpoint.__jbd2_log_wait_for_space.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_dirty_inode.__mark_inode_dirty.generic_update_time.file_update_time.__generic_file_write_iter
245.00 ± 62% +15014.2% 37029 ± 12% latency_stats.avg.wait_transaction_locked.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write.SyS_write
381.50 ± 92% +17588.2% 67480 ± 8% latency_stats.avg.wait_transaction_locked.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_dirty_inode.__mark_inode_dirty.generic_update_time.file_update_time.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
37333 ± 2% +212.4% 116638 ± 1% latency_stats.hits.balance_dirty_pages.balance_dirty_pages_ratelimited.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 428352 ± 1% latency_stats.hits.call_rwsem_down_read_failed.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
52674 ± 19% +713.2% 428352 ± 1% latency_stats.hits.max
25.25 ±173% +28336.6% 7180 ± 58% latency_stats.hits.wait_on_page_bit.__migration_entry_wait.migration_entry_wait.do_swap_page.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
0.00 ± -1% +Inf% 52028 ± 3% latency_stats.max.jbd2_log_wait_commit.jbd2_log_do_checkpoint.__jbd2_log_wait_for_space.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
0.00 ± -1% +Inf% 42916 ± 11% latency_stats.max.jbd2_log_wait_commit.jbd2_log_do_checkpoint.__jbd2_log_wait_for_space.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_dirty_inode.__mark_inode_dirty.generic_update_time.file_update_time.__generic_file_write_iter
415.25 ± 61% +50138.4% 208614 ± 6% latency_stats.max.wait_transaction_locked.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write.SyS_write
406.25 ± 94% +49880.9% 203047 ± 8% latency_stats.max.wait_transaction_locked.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_dirty_inode.__mark_inode_dirty.generic_update_time.file_update_time.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
0.00 ± -1% +Inf% 1808461 ± 11% latency_stats.sum.call_rwsem_down_read_failed.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 824147 ± 12% latency_stats.sum.jbd2_log_wait_commit.jbd2_log_do_checkpoint.__jbd2_log_wait_for_space.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
0.00 ± -1% +Inf% 82526 ± 39% latency_stats.sum.jbd2_log_wait_commit.jbd2_log_do_checkpoint.__jbd2_log_wait_for_space.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_dirty_inode.__mark_inode_dirty.generic_update_time.file_update_time.__generic_file_write_iter
369.00 ±173% +74142.4% 273954 ± 68% latency_stats.sum.wait_on_page_bit.__migration_entry_wait.migration_entry_wait.do_swap_page.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
1932 ±109% +6.4e+05% 12442046 ± 18% latency_stats.sum.wait_transaction_locked.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write.SyS_write
1112 ± 97% +1.8e+06% 20573361 ± 7% latency_stats.sum.wait_transaction_locked.add_transaction_credits.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_dirty_inode.__mark_inode_dirty.generic_update_time.file_update_time.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
8.134e+11 ± 7% -29.2% 5.76e+11 ± 1% perf-stat.branch-instructions
0.07 ± 1% +2199.3% 1.54 ± 1% perf-stat.branch-miss-rate%
5.443e+08 ± 6% +1528.4% 8.863e+09 ± 1% perf-stat.branch-misses
3.32 ± 6% +1005.8% 36.72 ± 2% perf-stat.cache-miss-rate%
1.301e+08 ± 12% +7830.6% 1.032e+10 ± 1% perf-stat.cache-misses
3.903e+09 ± 6% +620.2% 2.811e+10 ± 1% perf-stat.cache-references
446946 ± 5% +439.6% 2411928 ± 2% perf-stat.context-switches
1.89e+12 ± 5% +118.5% 4.13e+12 ± 1% perf-stat.cpu-cycles
8650 ± 7% +161.0% 22573 ± 8% perf-stat.cpu-migrations
0.05 ± 33% +2689.6% 1.38 ± 7% perf-stat.dTLB-load-miss-rate%
3.894e+08 ± 5% +3138.7% 1.261e+10 ± 6% perf-stat.dTLB-load-misses
0.01 ± 59% +1236.0% 0.14 ± 14% perf-stat.dTLB-store-miss-rate%
71487525 ± 3% +1048.6% 8.211e+08 ± 10% perf-stat.dTLB-store-misses
58.98 ± 1% -45.2% 32.33 ± 1% perf-stat.iTLB-load-miss-rate%
81063987 ± 1% -11.6% 71683301 ± 2% perf-stat.iTLB-load-misses
56389233 ± 2% +166.2% 1.501e+08 ± 3% perf-stat.iTLB-loads
4.453e+12 ± 7% -28.5% 3.184e+12 ± 1% perf-stat.instructions
54933 ± 7% -19.1% 44447 ± 3% perf-stat.instructions-per-iTLB-miss
2.35 ± 1% -67.2% 0.77 ± 2% perf-stat.ipc
417970 ± 0% +7.8% 450558 ± 1% perf-stat.minor-faults
47679867 ± 13% +10402.2% 5.007e+09 ± 15% perf-stat.node-load-misses
44725841 ± 6% +8141.8% 3.686e+09 ± 19% perf-stat.node-loads
42.89 ± 15% +26.5% 54.27 ± 5% perf-stat.node-store-miss-rate%
12288499 ± 27% +4184.3% 5.265e+08 ± 5% perf-stat.node-store-misses
15883566 ± 5% +2695.6% 4.44e+08 ± 7% perf-stat.node-stores
417971 ± 0% +7.8% 450593 ± 1% perf-stat.page-faults
7366 ± 24% +440.8% 39839 ± 41% numa-vmstat.node0.nr_active_file
1317901 ± 5% +1806.1% 25120768 ± 13% numa-vmstat.node0.nr_dirtied
1421455 ± 5% +248.9% 4959834 ± 0% numa-vmstat.node0.nr_file_pages
4176580 ± 3% -89.1% 456964 ± 2% numa-vmstat.node0.nr_free_pages
1391778 ± 5% +246.7% 4825746 ± 0% numa-vmstat.node0.nr_inactive_file
58818 ±123% +279.1% 222990 ± 12% numa-vmstat.node0.nr_slab_reclaimable
116.00 ± 60% +61385.8% 71323 ± 0% numa-vmstat.node0.nr_unevictable
328581 ± 4% +7288.0% 24275709 ± 13% numa-vmstat.node0.nr_written
7366 ± 24% +440.8% 39840 ± 41% numa-vmstat.node0.nr_zone_active_file
1391778 ± 5% +246.7% 4825787 ± 0% numa-vmstat.node0.nr_zone_inactive_file
116.00 ± 60% +61386.0% 71323 ± 0% numa-vmstat.node0.nr_zone_unevictable
320855 ±126% +2018.4% 6796862 ± 81% numa-vmstat.node0.numa_foreign
811358 ± 69% +2361.3% 19970097 ± 36% numa-vmstat.node0.numa_hit
811349 ± 69% +2361.3% 19970080 ± 36% numa-vmstat.node0.numa_local
902242 ± 54% +496.3% 5379824 ± 70% numa-vmstat.node0.numa_miss
7395 ± 27% +260.7% 26675 ± 59% numa-vmstat.node1.nr_active_file
1475724 ± 5% +1764.2% 27510187 ± 12% numa-vmstat.node1.nr_dirtied
1515054 ± 5% +234.3% 5065379 ± 0% numa-vmstat.node1.nr_file_pages
50710 ± 0% -76.1% 12111 ± 8% numa-vmstat.node1.nr_free_cma
4030612 ± 4% -89.1% 438738 ± 0% numa-vmstat.node1.nr_free_pages
1498440 ± 5% +230.9% 4957711 ± 0% numa-vmstat.node1.nr_inactive_file
129.75 ± 60% +54860.9% 71311 ± 0% numa-vmstat.node1.nr_unevictable
403988 ± 4% +6484.2% 26599507 ± 12% numa-vmstat.node1.nr_written
7395 ± 27% +260.7% 26675 ± 59% numa-vmstat.node1.nr_zone_active_file
1498440 ± 5% +230.9% 4957710 ± 0% numa-vmstat.node1.nr_zone_inactive_file
129.75 ± 60% +54860.9% 71311 ± 0% numa-vmstat.node1.nr_zone_unevictable
872187 ± 53% +506.1% 5286095 ± 71% numa-vmstat.node1.numa_foreign
1639879 ± 30% +1191.0% 21171288 ± 43% numa-vmstat.node1.numa_hit
1639864 ± 30% +1191.0% 21171282 ± 43% numa-vmstat.node1.numa_local
290798 ±150% +2205.1% 6703187 ± 82% numa-vmstat.node1.numa_miss
14775 ± 2% +351.0% 66631 ± 1% proc-vmstat.nr_active_file
3314070 ± 0% +3927.8% 1.335e+08 ± 1% proc-vmstat.nr_dirtied
2060410 ± 0% -14.8% 1755444 ± 0% proc-vmstat.nr_dirty
2938721 ± 0% +241.3% 10029056 ± 0% proc-vmstat.nr_file_pages
50710 ± 0% -76.5% 11910 ± 8% proc-vmstat.nr_free_cma
8204888 ± 0% -89.1% 891960 ± 1% proc-vmstat.nr_free_pages
2892431 ± 0% +238.4% 9787283 ± 0% proc-vmstat.nr_inactive_file
205104 ± 0% +106.7% 423919 ± 0% proc-vmstat.nr_slab_reclaimable
247.25 ± 57% +57596.0% 142653 ± 0% proc-vmstat.nr_unevictable
1398737 ± 1% +9324.0% 1.318e+08 ± 1% proc-vmstat.nr_written
14775 ± 2% +351.0% 66633 ± 1% proc-vmstat.nr_zone_active_file
2892431 ± 0% +238.4% 9787320 ± 0% proc-vmstat.nr_zone_inactive_file
247.25 ± 57% +57596.1% 142653 ± 0% proc-vmstat.nr_zone_unevictable
2060409 ± 0% -14.8% 1755458 ± 0% proc-vmstat.nr_zone_write_pending
1223028 ± 9% +2245.9% 28690632 ± 30% proc-vmstat.numa_foreign
282.75 ±109% +8696.6% 24872 ± 11% proc-vmstat.numa_hint_faults
82.00 ± 56% +23385.1% 19257 ± 13% proc-vmstat.numa_hint_faults_local
2660314 ± 3% +3794.0% 1.036e+08 ± 10% proc-vmstat.numa_hit
2660293 ± 3% +3794.0% 1.036e+08 ± 10% proc-vmstat.numa_local
1223028 ± 9% +2245.9% 28690610 ± 30% proc-vmstat.numa_miss
195.75 ±143% +693.5% 1553 ± 22% proc-vmstat.numa_pages_migrated
1185 ±115% +2435.2% 30048 ± 10% proc-vmstat.numa_pte_updates
2845 ± 6% +57.4% 4479 ± 13% proc-vmstat.pgactivate
0.00 ± 0% +Inf% 5194751 ± 13% proc-vmstat.pgalloc_dma32
4015781 ± 0% +3068.0% 1.272e+08 ± 1% proc-vmstat.pgalloc_normal
443537 ± 0% +27265.1% 1.214e+08 ± 1% proc-vmstat.pgfree
0.75 ±173% +16200.0% 122.25 ± 42% proc-vmstat.pgmigrate_fail
195.75 ±143% +693.5% 1553 ± 22% proc-vmstat.pgmigrate_success
13772223 ± 1% +4931.5% 6.93e+08 ± 1% proc-vmstat.pgpgout
364.25 ± 57% +46700.3% 170470 ± 0% proc-vmstat.unevictable_pgs_culled
3771 ± 0% +283.2% 14453 ± 1% sched_debug.cfs_rq:/.exec_clock.avg
123.31 ± 22% +863.5% 1188 ± 30% sched_debug.cfs_rq:/.exec_clock.min
15977 ± 4% -28.2% 11469 ± 17% sched_debug.cfs_rq:/.exec_clock.stddev
41685 ± 1% +345.4% 185655 ± 7% sched_debug.cfs_rq:/.load.avg
161304 ± 1% +95.9% 315971 ± 4% sched_debug.cfs_rq:/.load.stddev
32.87 ± 4% +435.3% 175.97 ± 6% sched_debug.cfs_rq:/.load_avg.avg
157.72 ± 7% +28.4% 202.48 ± 3% sched_debug.cfs_rq:/.load_avg.stddev
18584 ± 14% +47.5% 27418 ± 5% sched_debug.cfs_rq:/.min_vruntime.avg
16749 ± 3% -28.6% 11963 ± 16% sched_debug.cfs_rq:/.min_vruntime.stddev
0.10 ± 17% +136.0% 0.23 ± 6% sched_debug.cfs_rq:/.nr_running.avg
0.29 ± 6% +43.8% 0.41 ± 3% sched_debug.cfs_rq:/.nr_running.stddev
29.02 ± 1% +220.3% 92.95 ± 9% sched_debug.cfs_rq:/.runnable_load_avg.avg
141.32 ± 0% +35.8% 191.91 ± 4% sched_debug.cfs_rq:/.runnable_load_avg.stddev
83254 ± 2% -38.9% 50853 ± 35% sched_debug.cfs_rq:/.spread0.max
-12291 ±-14% +72.7% -21225 ±-23% sched_debug.cfs_rq:/.spread0.min
16749 ± 3% -28.6% 11966 ± 16% sched_debug.cfs_rq:/.spread0.stddev
185.76 ± 4% +85.4% 344.36 ± 2% sched_debug.cfs_rq:/.util_avg.avg
158.08 ± 1% +37.9% 217.92 ± 3% sched_debug.cfs_rq:/.util_avg.stddev
182455 ± 4% +24.2% 226649 ± 10% sched_debug.cpu.avg_idle.stddev
5.84 ± 8% +163.5% 15.38 ± 7% sched_debug.cpu.clock.stddev
5.84 ± 8% +163.5% 15.38 ± 7% sched_debug.cpu.clock_task.stddev
28.76 ± 1% +216.9% 91.13 ± 11% sched_debug.cpu.cpu_load[0].avg
141.31 ± 0% +35.0% 190.72 ± 5% sched_debug.cpu.cpu_load[0].stddev
29.02 ± 1% +352.8% 131.42 ± 15% sched_debug.cpu.cpu_load[1].avg
141.76 ± 0% +41.5% 200.56 ± 5% sched_debug.cpu.cpu_load[1].stddev
28.81 ± 1% +343.7% 127.84 ± 15% sched_debug.cpu.cpu_load[2].avg
141.36 ± 0% +39.6% 197.31 ± 5% sched_debug.cpu.cpu_load[2].stddev
28.54 ± 1% +324.6% 121.20 ± 15% sched_debug.cpu.cpu_load[3].avg
141.27 ± 0% +35.5% 191.48 ± 5% sched_debug.cpu.cpu_load[3].stddev
28.22 ± 0% +299.2% 112.65 ± 16% sched_debug.cpu.cpu_load[4].avg
141.27 ± 0% +29.2% 182.54 ± 6% sched_debug.cpu.cpu_load[4].stddev
191.26 ± 18% +141.2% 461.32 ± 7% sched_debug.cpu.curr->pid.avg
676.82 ± 11% +35.3% 915.48 ± 5% sched_debug.cpu.curr->pid.stddev
43084 ± 5% +336.3% 187993 ± 7% sched_debug.cpu.load.avg
164119 ± 2% +93.1% 316944 ± 5% sched_debug.cpu.load.stddev
0.00 ± 9% +52.3% 0.00 ± 2% sched_debug.cpu.next_balance.stddev
22918 ± 44% +69.8% 38923 ± 1% sched_debug.cpu.nr_load_updates.avg
8553 ± 24% +140.5% 20569 ± 24% sched_debug.cpu.nr_load_updates.min
14186 ± 11% -36.9% 8947 ± 13% sched_debug.cpu.nr_load_updates.stddev
0.11 ± 20% +112.0% 0.24 ± 7% sched_debug.cpu.nr_running.avg
0.32 ± 11% +28.4% 0.41 ± 4% sched_debug.cpu.nr_running.stddev
5869 ± 5% +320.3% 24672 ± 2% sched_debug.cpu.nr_switches.avg
29766 ± 33% +538.3% 190010 ± 25% sched_debug.cpu.nr_switches.max
1914 ± 4% +110.7% 4034 ± 27% sched_debug.cpu.nr_switches.min
4636 ± 27% +560.1% 30603 ± 23% sched_debug.cpu.nr_switches.stddev
0.39 ± 1% -33.8% 0.26 ± 5% sched_debug.cpu.nr_uninterruptible.avg
13.12 ± 18% +116.2% 28.38 ± 24% sched_debug.cpu.nr_uninterruptible.max
-15.00 ±-30% +110.8% -31.62 ±-22% sched_debug.cpu.nr_uninterruptible.min
4.87 ± 14% +163.9% 12.86 ± 27% sched_debug.cpu.nr_uninterruptible.stddev
3796 ± 9% +494.6% 22569 ± 2% sched_debug.cpu.sched_count.avg
26488 ± 37% +606.2% 187066 ± 26% sched_debug.cpu.sched_count.max
190.62 ± 24% +1031.8% 2157 ± 55% sched_debug.cpu.sched_count.min
4339 ± 30% +601.8% 30453 ± 23% sched_debug.cpu.sched_count.stddev
1804 ± 9% +514.1% 11080 ± 2% sched_debug.cpu.sched_goidle.avg
13206 ± 37% +606.5% 93305 ± 26% sched_debug.cpu.sched_goidle.max
45.06 ± 16% +2154.2% 1015 ± 59% sched_debug.cpu.sched_goidle.min
2184 ± 30% +595.6% 15196 ± 23% sched_debug.cpu.sched_goidle.stddev
1822 ± 9% +515.7% 11222 ± 2% sched_debug.cpu.ttwu_count.avg
15326 ± 33% +524.9% 95775 ± 19% sched_debug.cpu.ttwu_count.max
66.31 ± 22% +1399.6% 994.44 ± 71% sched_debug.cpu.ttwu_count.min
2476 ± 28% +538.9% 15824 ± 16% sched_debug.cpu.ttwu_count.stddev
1013 ± 0% +78.4% 1807 ± 0% sched_debug.cpu.ttwu_local.avg
7952 ± 25% -43.3% 4512 ± 29% sched_debug.cpu.ttwu_local.max
35.31 ± 23% +506.5% 214.19 ± 50% sched_debug.cpu.ttwu_local.min
1311 ± 16% -32.0% 891.49 ± 15% sched_debug.cpu.ttwu_local.stddev
2.58 ± 9% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.___might_sleep.__might_sleep.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks
1.32 ± 10% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.___might_sleep.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
0.00 ± -1% +Inf% 0.93 ± 4% perf-profile.calltrace.cycles-pp.__add_to_page_cache_locked.add_to_page_cache_lru.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin
0.00 ± -1% +Inf% 1.43 ± 11% perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.alloc_pages_current.__page_cache_alloc.pagecache_get_page.grab_cache_page_write_begin
0.00 ± -1% +Inf% 2.30 ± 1% perf-profile.calltrace.cycles-pp.__block_commit_write.block_write_end.generic_write_end.ext4_da_write_end.generic_perform_write
0.00 ± -1% +Inf% 16.00 ± 3% perf-profile.calltrace.cycles-pp.__block_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
0.00 ± -1% +Inf% 15.98 ± 3% perf-profile.calltrace.cycles-pp.__block_write_begin_int.__block_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter
0.00 ± -1% +Inf% 4.97 ± 3% perf-profile.calltrace.cycles-pp.__copy_user_nocache.pmem_do_bvec.pmem_make_request.generic_make_request.submit_bio
0.00 ± -1% +Inf% 2.29 ± 3% perf-profile.calltrace.cycles-pp.__delete_from_page_cache.__remove_mapping.shrink_page_list.shrink_inactive_list.shrink_node_memcg
0.00 ± -1% +Inf% 2.38 ± 6% perf-profile.calltrace.cycles-pp.__es_insert_extent.ext4_es_insert_extent.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin
0.00 ± -1% +Inf% 1.03 ± 5% perf-profile.calltrace.cycles-pp.__es_tree_search.ext4_es_insert_extent.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin
0.00 ± -1% +Inf% 1.76 ± 6% perf-profile.calltrace.cycles-pp.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
0.00 ± -1% +Inf% 3.23 ± 3% perf-profile.calltrace.cycles-pp.__find_get_block.__getblk_gfp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks
0.00 ± -1% +Inf% 1.70 ± 3% perf-profile.calltrace.cycles-pp.__find_get_block_slow.__find_get_block.__getblk_gfp.__read_extent_tree_block.ext4_find_extent
35.05 ± 7% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
0.00 ± -1% +Inf% 30.01 ± 3% perf-profile.calltrace.cycles-pp.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write.sys_write
0.00 ± -1% +Inf% 3.42 ± 3% perf-profile.calltrace.cycles-pp.__getblk_gfp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks.ext4_da_get_block_prep
1.32 ± 5% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__might_sleep.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages
4.51 ± 9% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__might_sleep.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
0.00 ± -1% +Inf% 1.56 ± 11% perf-profile.calltrace.cycles-pp.__page_cache_alloc.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write
0.00 ± -1% +Inf% 2.00 ± 4% perf-profile.calltrace.cycles-pp.__radix_tree_lookup.__delete_from_page_cache.__remove_mapping.shrink_page_list.shrink_inactive_list
15.27 ± 6% -95.3% 0.73 ± 5% perf-profile.calltrace.cycles-pp.__radix_tree_lookup.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.__find_get_block_slow
0.00 ± -1% +Inf% 1.62 ± 4% perf-profile.calltrace.cycles-pp.__radix_tree_lookup.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.grab_cache_page_write_begin
0.00 ± -1% +Inf% 3.56 ± 3% perf-profile.calltrace.cycles-pp.__read_extent_tree_block.ext4_find_extent.ext4_ext_map_blocks.ext4_da_get_block_prep.__block_write_begin_int
0.00 ± -1% +Inf% 2.90 ± 3% perf-profile.calltrace.cycles-pp.__remove_mapping.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node
0.00 ± -1% +Inf% 1.27 ± 2% perf-profile.calltrace.cycles-pp.__set_page_dirty.mark_buffer_dirty.__block_commit_write.block_write_end.generic_write_end
0.00 ± -1% +Inf% 0.96 ± 9% perf-profile.calltrace.cycles-pp.__test_set_page_writeback.ext4_bio_write_page.mpage_submit_page.mpage_process_page_bufs.mpage_prepare_extent_to_map
0.82 ± 14% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__tick_nohz_idle_enter.tick_nohz_irq_exit.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt
0.00 ± -1% +Inf% 30.45 ± 3% perf-profile.calltrace.cycles-pp.__vfs_write.vfs_write.sys_write.entry_SYSCALL_64_fastpath
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.calltrace.cycles-pp.__writeback_inodes_wb.wb_writeback.wb_workfn.process_one_work.worker_thread
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.calltrace.cycles-pp.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.wb_workfn
0.00 ± -1% +Inf% 1.77 ± 5% perf-profile.calltrace.cycles-pp.add_to_page_cache_lru.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write
0.00 ± -1% +Inf% 1.53 ± 10% perf-profile.calltrace.cycles-pp.alloc_pages_current.__page_cache_alloc.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin
2.79 ± 16% -83.8% 0.45 ± 62% perf-profile.calltrace.cycles-pp.apic_timer_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
0.00 ± -1% +Inf% 2.42 ± 3% perf-profile.calltrace.cycles-pp.bio_endio.pmem_make_request.generic_make_request.submit_bio.ext4_io_submit
0.00 ± -1% +Inf% 2.35 ± 1% perf-profile.calltrace.cycles-pp.block_write_end.generic_write_end.ext4_da_write_end.generic_perform_write.__generic_file_write_iter
0.00 ± -1% +Inf% 2.19 ± 2% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.calltrace.cycles-pp.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback
0.00 ± -1% +Inf% 1.04 ± 4% perf-profile.calltrace.cycles-pp.end_page_writeback.ext4_finish_bio.ext4_end_bio.bio_endio.pmem_make_request
0.48 ± 58% +6534.9% 31.85 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 1.03 ± 2% perf-profile.calltrace.cycles-pp.ext4_bio_write_page.mpage_submit_page.mpage_map_and_submit_buffers.ext4_writepages.do_writepages
0.00 ± -1% +Inf% 9.22 ± 3% perf-profile.calltrace.cycles-pp.ext4_bio_write_page.mpage_submit_page.mpage_process_page_bufs.mpage_prepare_extent_to_map.ext4_writepages
0.00 ± -1% +Inf% 14.90 ± 3% perf-profile.calltrace.cycles-pp.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin.generic_perform_write
0.00 ± -1% +Inf% 23.29 ± 4% perf-profile.calltrace.cycles-pp.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
0.00 ± -1% +Inf% 3.61 ± 1% perf-profile.calltrace.cycles-pp.ext4_da_write_end.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
0.00 ± -1% +Inf% 1.53 ± 3% perf-profile.calltrace.cycles-pp.ext4_end_bio.bio_endio.pmem_make_request.generic_make_request.submit_bio
0.00 ± -1% +Inf% 3.80 ± 5% perf-profile.calltrace.cycles-pp.ext4_es_insert_extent.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin
0.00 ± -1% +Inf% 4.19 ± 4% perf-profile.calltrace.cycles-pp.ext4_es_lookup_extent.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin
0.00 ± -1% +Inf% 6.14 ± 3% perf-profile.calltrace.cycles-pp.ext4_ext_map_blocks.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin
49.67 ± 7% -97.1% 1.42 ± 2% perf-profile.calltrace.cycles-pp.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 30.29 ± 3% perf-profile.calltrace.cycles-pp.ext4_file_write_iter.__vfs_write.vfs_write.sys_write.entry_SYSCALL_64_fastpath
0.00 ± -1% +Inf% 5.73 ± 3% perf-profile.calltrace.cycles-pp.ext4_find_extent.ext4_ext_map_blocks.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin
0.00 ± -1% +Inf% 1.33 ± 4% perf-profile.calltrace.cycles-pp.ext4_finish_bio.ext4_end_bio.bio_endio.pmem_make_request.generic_make_request
0.00 ± -1% +Inf% 7.16 ± 2% perf-profile.calltrace.cycles-pp.ext4_io_submit.ext4_bio_write_page.mpage_submit_page.mpage_process_page_bufs.mpage_prepare_extent_to_map
0.00 ± -1% +Inf% 1.17 ± 1% perf-profile.calltrace.cycles-pp.ext4_io_submit.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
50.46 ± 7% -95.1% 2.46 ± 2% perf-profile.calltrace.cycles-pp.ext4_map_blocks.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
0.00 ± -1% +Inf% 0.88 ± 13% perf-profile.calltrace.cycles-pp.ext4_put_io_end_defer.bio_endio.pmem_make_request.generic_make_request.submit_bio
0.00 ± -1% +Inf% 1.18 ± 2% perf-profile.calltrace.cycles-pp.ext4_releasepage.try_to_release_page.shrink_page_list.shrink_inactive_list.shrink_node_memcg
51.11 ± 7% -65.3% 17.72 ± 2% perf-profile.calltrace.cycles-pp.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb
1.32 ± 6% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.find_get_entry.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks
0.00 ± -1% +Inf% 1.32 ± 2% perf-profile.calltrace.cycles-pp.find_get_entry.pagecache_get_page.__find_get_block_slow.__find_get_block.__getblk_gfp
21.16 ± 6% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.find_get_entry.pagecache_get_page.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks
0.00 ± -1% +Inf% 1.66 ± 5% perf-profile.calltrace.cycles-pp.find_get_entry.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write
0.00 ± -1% +Inf% 0.98 ± 2% perf-profile.calltrace.cycles-pp.find_get_pages_tag.pagevec_lookup_tag.mpage_prepare_extent_to_map.ext4_writepages.do_writepages
0.00 ± -1% +Inf% 7.88 ± 2% perf-profile.calltrace.cycles-pp.generic_make_request.submit_bio.ext4_io_submit.ext4_bio_write_page.mpage_submit_page
0.00 ± -1% +Inf% 1.16 ± 1% perf-profile.calltrace.cycles-pp.generic_make_request.submit_bio.ext4_io_submit.ext4_writepages.do_writepages
0.00 ± -1% +Inf% 29.66 ± 3% perf-profile.calltrace.cycles-pp.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write
0.00 ± -1% +Inf% 2.72 ± 2% perf-profile.calltrace.cycles-pp.generic_write_end.ext4_da_write_end.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
0.00 ± -1% +Inf% 1.16 ± 10% perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_nodemask.alloc_pages_current.__page_cache_alloc.pagecache_get_page
0.00 ± -1% +Inf% 5.13 ± 7% perf-profile.calltrace.cycles-pp.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
1.02 ± 20% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter
1.04 ± 11% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle
0.00 ± -1% +Inf% 1.44 ± 5% perf-profile.calltrace.cycles-pp.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter
0.00 ± -1% +Inf% 1.11 ± 2% perf-profile.calltrace.cycles-pp.jbd2_journal_try_to_free_buffers.ext4_releasepage.try_to_release_page.shrink_page_list.shrink_inactive_list
0.00 ± -1% +Inf% 6.87 ± 1% perf-profile.calltrace.cycles-pp.kswapd.kthread.ret_from_fork
51.25 ± 7% -51.4% 24.89 ± 1% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork
1.08 ± 19% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle
0.00 ± -1% +Inf% 1.65 ± 2% perf-profile.calltrace.cycles-pp.mark_buffer_dirty.__block_commit_write.block_write_end.generic_write_end.ext4_da_write_end
0.00 ± -1% +Inf% 1.80 ± 1% perf-profile.calltrace.cycles-pp.mpage_map_and_submit_buffers.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
0.00 ± -1% +Inf% 11.87 ± 2% perf-profile.calltrace.cycles-pp.mpage_prepare_extent_to_map.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
0.00 ± -1% +Inf% 10.50 ± 3% perf-profile.calltrace.cycles-pp.mpage_process_page_bufs.mpage_prepare_extent_to_map.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 1.11 ± 1% perf-profile.calltrace.cycles-pp.mpage_submit_page.mpage_map_and_submit_buffers.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 9.77 ± 3% perf-profile.calltrace.cycles-pp.mpage_submit_page.mpage_process_page_bufs.mpage_prepare_extent_to_map.ext4_writepages.do_writepages
0.00 ± -1% +Inf% 1.39 ± 2% perf-profile.calltrace.cycles-pp.pagecache_get_page.__find_get_block_slow.__find_get_block.__getblk_gfp.__read_extent_tree_block
27.73 ± 7% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.pagecache_get_page.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks
0.00 ± -1% +Inf% 5.07 ± 6% perf-profile.calltrace.cycles-pp.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter
0.00 ± -1% +Inf% 0.98 ± 3% perf-profile.calltrace.cycles-pp.pagevec_lookup_tag.mpage_prepare_extent_to_map.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 5.05 ± 3% perf-profile.calltrace.cycles-pp.pmem_do_bvec.pmem_make_request.generic_make_request.submit_bio.ext4_io_submit
0.00 ± -1% +Inf% 7.58 ± 2% perf-profile.calltrace.cycles-pp.pmem_make_request.generic_make_request.submit_bio.ext4_io_submit.ext4_bio_write_page
0.00 ± -1% +Inf% 1.13 ± 1% perf-profile.calltrace.cycles-pp.pmem_make_request.generic_make_request.submit_bio.ext4_io_submit.ext4_writepages
51.22 ± 7% -65.1% 17.86 ± 2% perf-profile.calltrace.cycles-pp.process_one_work.worker_thread.kthread.ret_from_fork
17.22 ± 6% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.__find_get_block_slow.unmap_underlying_metadata
0.00 ± -1% +Inf% 1.64 ± 4% perf-profile.calltrace.cycles-pp.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin
51.25 ± 7% -51.4% 24.89 ± 1% perf-profile.calltrace.cycles-pp.ret_from_fork
0.00 ± -1% +Inf% 5.95 ± 1% perf-profile.calltrace.cycles-pp.shrink_inactive_list.shrink_node_memcg.shrink_node.kswapd.kthread
0.00 ± -1% +Inf% 6.86 ± 1% perf-profile.calltrace.cycles-pp.shrink_node.kswapd.kthread.ret_from_fork
0.00 ± -1% +Inf% 5.98 ± 1% perf-profile.calltrace.cycles-pp.shrink_node_memcg.shrink_node.kswapd.kthread.ret_from_fork
0.00 ± -1% +Inf% 5.36 ± 1% perf-profile.calltrace.cycles-pp.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node.kswapd
2.73 ± 16% -88.4% 0.32 ±103% perf-profile.calltrace.cycles-pp.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry
0.00 ± -1% +Inf% 7.14 ± 2% perf-profile.calltrace.cycles-pp.submit_bio.ext4_io_submit.ext4_bio_write_page.mpage_submit_page.mpage_process_page_bufs
0.00 ± -1% +Inf% 1.17 ± 1% perf-profile.calltrace.cycles-pp.submit_bio.ext4_io_submit.ext4_writepages.do_writepages.__writeback_single_inode
0.00 ± -1% +Inf% 31.25 ± 3% perf-profile.calltrace.cycles-pp.sys_write.entry_SYSCALL_64_fastpath
0.83 ± 14% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.tick_nohz_irq_exit.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter
0.00 ± -1% +Inf% 1.20 ± 1% perf-profile.calltrace.cycles-pp.try_to_release_page.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node
45.39 ± 7% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages
0.00 ± -1% +Inf% 31.09 ± 3% perf-profile.calltrace.cycles-pp.vfs_write.sys_write.entry_SYSCALL_64_fastpath
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.calltrace.cycles-pp.wb_workfn.process_one_work.worker_thread.kthread.ret_from_fork
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.calltrace.cycles-pp.wb_writeback.wb_workfn.process_one_work.worker_thread.kthread
51.23 ± 7% -65.1% 17.86 ± 2% perf-profile.calltrace.cycles-pp.worker_thread.kthread.ret_from_fork
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.calltrace.cycles-pp.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.wb_workfn.process_one_work
3.93 ± 9% -88.6% 0.45 ± 6% perf-profile.children.cycles-pp.___might_sleep
0.00 ± -1% +Inf% 0.93 ± 5% perf-profile.children.cycles-pp.__add_to_page_cache_locked
0.00 ± -1% +Inf% 1.46 ± 10% perf-profile.children.cycles-pp.__alloc_pages_nodemask
0.04 ± 58% +5668.8% 2.31 ± 1% perf-profile.children.cycles-pp.__block_commit_write
0.07 ± 23% +24519.2% 16.00 ± 3% perf-profile.children.cycles-pp.__block_write_begin
0.07 ± 23% +24488.5% 15.98 ± 3% perf-profile.children.cycles-pp.__block_write_begin_int
0.21 ± 5% +2617.6% 5.78 ± 2% perf-profile.children.cycles-pp.__copy_user_nocache
0.00 ± -1% +Inf% 2.29 ± 3% perf-profile.children.cycles-pp.__delete_from_page_cache
0.05 ± 58% +5573.7% 2.69 ± 6% perf-profile.children.cycles-pp.__es_insert_extent
0.01 ±173% +10280.0% 1.30 ± 5% perf-profile.children.cycles-pp.__es_tree_search
0.04 ±102% +5485.7% 1.96 ± 6% perf-profile.children.cycles-pp.__ext4_journal_start_sb
0.00 ± -1% +Inf% 3.36 ± 2% perf-profile.children.cycles-pp.__find_get_block
35.73 ± 7% -95.0% 1.80 ± 3% perf-profile.children.cycles-pp.__find_get_block_slow
0.33 ± 11% +8997.0% 30.02 ± 3% perf-profile.children.cycles-pp.__generic_file_write_iter
0.00 ± -1% +Inf% 3.58 ± 3% perf-profile.children.cycles-pp.__getblk_gfp
5.86 ± 8% -89.9% 0.59 ± 4% perf-profile.children.cycles-pp.__might_sleep
0.00 ± -1% +Inf% 1.57 ± 10% perf-profile.children.cycles-pp.__page_cache_alloc
15.94 ± 6% -72.4% 4.41 ± 1% perf-profile.children.cycles-pp.__radix_tree_lookup
0.00 ± -1% +Inf% 3.70 ± 3% perf-profile.children.cycles-pp.__read_extent_tree_block
0.00 ± -1% +Inf% 2.91 ± 3% perf-profile.children.cycles-pp.__remove_mapping
0.00 ± -1% +Inf% 1.28 ± 2% perf-profile.children.cycles-pp.__set_page_dirty
0.00 ± -1% +Inf% 1.11 ± 9% perf-profile.children.cycles-pp.__test_set_page_writeback
0.87 ± 13% -75.4% 0.21 ± 7% perf-profile.children.cycles-pp.__tick_nohz_idle_enter
0.42 ± 7% +7123.1% 30.52 ± 3% perf-profile.children.cycles-pp.__vfs_write
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.children.cycles-pp.__writeback_inodes_wb
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.children.cycles-pp.__writeback_single_inode
0.09 ± 20% +1173.0% 1.18 ± 9% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.00 ± -1% +Inf% 1.77 ± 5% perf-profile.children.cycles-pp.add_to_page_cache_lru
0.00 ± -1% +Inf% 1.55 ± 10% perf-profile.children.cycles-pp.alloc_pages_current
2.98 ± 15% -69.8% 0.90 ± 10% perf-profile.children.cycles-pp.apic_timer_interrupt
0.10 ± 8% +2990.2% 3.17 ± 2% perf-profile.children.cycles-pp.bio_endio
0.03 ±102% +7750.0% 2.36 ± 1% perf-profile.children.cycles-pp.block_write_end
47.10 ± 8% -10.3% 42.25 ± 3% perf-profile.children.cycles-pp.call_cpuidle
0.04 ± 58% +5393.7% 2.20 ± 2% perf-profile.children.cycles-pp.copy_user_enhanced_fast_string
47.72 ± 7% -10.5% 42.72 ± 3% perf-profile.children.cycles-pp.cpu_startup_entry
47.06 ± 8% -10.2% 42.25 ± 3% perf-profile.children.cycles-pp.cpuidle_enter
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.children.cycles-pp.do_writepages
0.01 ±173% +10920.0% 1.38 ± 4% perf-profile.children.cycles-pp.end_page_writeback
0.73 ± 4% +4272.0% 32.02 ± 3% perf-profile.children.cycles-pp.entry_SYSCALL_64_fastpath
0.06 ± 13% +16332.0% 10.27 ± 2% perf-profile.children.cycles-pp.ext4_bio_write_page
0.03 ±100% +54100.0% 14.90 ± 3% perf-profile.children.cycles-pp.ext4_da_get_block_prep
0.18 ± 8% +12661.6% 23.29 ± 4% perf-profile.children.cycles-pp.ext4_da_write_begin
0.07 ± 19% +5259.3% 3.62 ± 1% perf-profile.children.cycles-pp.ext4_da_write_end
0.06 ± 14% +3352.2% 1.98 ± 4% perf-profile.children.cycles-pp.ext4_end_bio
0.09 ± 18% +4988.6% 4.45 ± 5% perf-profile.children.cycles-pp.ext4_es_insert_extent
0.03 ±100% +16281.8% 4.50 ± 4% perf-profile.children.cycles-pp.ext4_es_lookup_extent
49.67 ± 7% -84.8% 7.57 ± 3% perf-profile.children.cycles-pp.ext4_ext_map_blocks
0.32 ± 11% +9440.9% 30.29 ± 3% perf-profile.children.cycles-pp.ext4_file_write_iter
0.07 ± 12% +8807.4% 6.01 ± 3% perf-profile.children.cycles-pp.ext4_find_extent
0.01 ±173% +13720.0% 1.73 ± 4% perf-profile.children.cycles-pp.ext4_finish_bio
0.27 ± 6% +3330.2% 9.09 ± 2% perf-profile.children.cycles-pp.ext4_io_submit
50.46 ± 7% -95.1% 2.48 ± 2% perf-profile.children.cycles-pp.ext4_map_blocks
0.01 ±173% +7016.7% 1.07 ± 12% perf-profile.children.cycles-pp.ext4_put_io_end_defer
0.00 ± -1% +Inf% 1.18 ± 2% perf-profile.children.cycles-pp.ext4_releasepage
51.11 ± 7% -65.3% 17.72 ± 2% perf-profile.children.cycles-pp.ext4_writepages
22.53 ± 6% -86.4% 3.07 ± 3% perf-profile.children.cycles-pp.find_get_entry
0.08 ± 5% +1047.1% 0.98 ± 2% perf-profile.children.cycles-pp.find_get_pages_tag
0.34 ± 1% +2691.2% 9.56 ± 2% perf-profile.children.cycles-pp.generic_make_request
0.32 ± 8% +9243.3% 29.67 ± 3% perf-profile.children.cycles-pp.generic_perform_write
0.05 ± 62% +5657.9% 2.73 ± 2% perf-profile.children.cycles-pp.generic_write_end
0.00 ± -1% +Inf% 1.22 ± 10% perf-profile.children.cycles-pp.get_page_from_freelist
0.09 ± 16% +5774.3% 5.14 ± 7% perf-profile.children.cycles-pp.grab_cache_page_write_begin
1.17 ± 16% -61.8% 0.45 ± 8% perf-profile.children.cycles-pp.hrtimer_interrupt
1.33 ± 16% -69.0% 0.41 ± 17% perf-profile.children.cycles-pp.irq_exit
0.01 ±173% +10616.7% 1.61 ± 5% perf-profile.children.cycles-pp.jbd2__journal_start
0.00 ± -1% +Inf% 1.12 ± 2% perf-profile.children.cycles-pp.jbd2_journal_try_to_free_buffers
0.00 ± -1% +Inf% 0.94 ± 15% perf-profile.children.cycles-pp.kmem_cache_alloc
0.00 ± -1% +Inf% 6.87 ± 1% perf-profile.children.cycles-pp.kswapd
51.25 ± 7% -51.4% 24.89 ± 1% perf-profile.children.cycles-pp.kthread
1.22 ± 16% -62.0% 0.46 ± 8% perf-profile.children.cycles-pp.local_apic_timer_interrupt
0.00 ± -1% +Inf% 1.66 ± 2% perf-profile.children.cycles-pp.mark_buffer_dirty
0.20 ± 12% +787.7% 1.80 ± 1% perf-profile.children.cycles-pp.mpage_map_and_submit_buffers
0.12 ± 4% +9394.0% 11.87 ± 2% perf-profile.children.cycles-pp.mpage_prepare_extent_to_map
0.00 ± -1% +Inf% 10.51 ± 3% perf-profile.children.cycles-pp.mpage_process_page_bufs
0.07 ± 14% +14430.0% 10.90 ± 2% perf-profile.children.cycles-pp.mpage_submit_page
28.44 ± 7% -77.0% 6.55 ± 5% perf-profile.children.cycles-pp.pagecache_get_page
0.09 ± 9% +1020.0% 0.98 ± 3% perf-profile.children.cycles-pp.pagevec_lookup_tag
0.21 ± 6% +2634.9% 5.88 ± 2% perf-profile.children.cycles-pp.pmem_do_bvec
0.32 ± 2% +2774.2% 9.20 ± 2% perf-profile.children.cycles-pp.pmem_make_request
51.22 ± 7% -65.1% 17.86 ± 2% perf-profile.children.cycles-pp.process_one_work
17.93 ± 6% -86.3% 2.45 ± 3% perf-profile.children.cycles-pp.radix_tree_lookup_slot
51.25 ± 7% -51.4% 24.89 ± 1% perf-profile.children.cycles-pp.ret_from_fork
0.00 ± -1% +Inf% 5.96 ± 1% perf-profile.children.cycles-pp.shrink_inactive_list
0.00 ± -1% +Inf% 6.86 ± 1% perf-profile.children.cycles-pp.shrink_node
0.00 ± -1% +Inf% 5.98 ± 1% perf-profile.children.cycles-pp.shrink_node_memcg
0.00 ± -1% +Inf% 5.36 ± 1% perf-profile.children.cycles-pp.shrink_page_list
2.92 ± 15% -70.2% 0.87 ± 10% perf-profile.children.cycles-pp.smp_apic_timer_interrupt
0.34 ± 1% +2701.5% 9.59 ± 2% perf-profile.children.cycles-pp.submit_bio
0.45 ± 8% +6782.4% 31.31 ± 3% perf-profile.children.cycles-pp.sys_write
0.00 ± -1% +Inf% 1.15 ± 4% perf-profile.children.cycles-pp.test_clear_page_writeback
0.87 ± 13% -80.8% 0.17 ± 11% perf-profile.children.cycles-pp.tick_nohz_irq_exit
0.00 ± -1% +Inf% 1.21 ± 1% perf-profile.children.cycles-pp.try_to_release_page
46.07 ± 7% -99.9% 0.06 ± 11% perf-profile.children.cycles-pp.unmap_underlying_metadata
0.45 ± 8% +6824.4% 31.16 ± 3% perf-profile.children.cycles-pp.vfs_write
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.children.cycles-pp.wb_workfn
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.children.cycles-pp.wb_writeback
51.23 ± 7% -65.1% 17.86 ± 2% perf-profile.children.cycles-pp.worker_thread
51.11 ± 7% -65.2% 17.80 ± 2% perf-profile.children.cycles-pp.writeback_sb_inodes
3.93 ± 9% -88.6% 0.45 ± 6% perf-profile.self.cycles-pp.___might_sleep
0.21 ± 5% +2617.6% 5.78 ± 2% perf-profile.self.cycles-pp.__copy_user_nocache
0.00 ± -1% +Inf% 1.31 ± 5% perf-profile.self.cycles-pp.__es_insert_extent
0.01 ±173% +9320.0% 1.18 ± 5% perf-profile.self.cycles-pp.__es_tree_search
6.65 ± 7% -95.7% 0.29 ± 9% perf-profile.self.cycles-pp.__find_get_block_slow
3.26 ± 7% -91.9% 0.26 ± 8% perf-profile.self.cycles-pp.__might_sleep
15.94 ± 6% -72.4% 4.41 ± 1% perf-profile.self.cycles-pp.__radix_tree_lookup
0.04 ± 58% +5393.7% 2.20 ± 2% perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
0.03 ±100% +15418.2% 4.27 ± 4% perf-profile.self.cycles-pp.ext4_es_lookup_extent
1.24 ± 14% -87.1% 0.16 ± 7% perf-profile.self.cycles-pp.ext4_ext_map_blocks
0.00 ± -1% +Inf% 1.99 ± 4% perf-profile.self.cycles-pp.ext4_find_extent
0.01 ±173% +7016.7% 1.07 ± 12% perf-profile.self.cycles-pp.ext4_put_io_end_defer
4.63 ± 7% -86.5% 0.62 ± 7% perf-profile.self.cycles-pp.find_get_entry
6.50 ± 9% -98.3% 0.11 ± 7% perf-profile.self.cycles-pp.pagecache_get_page
2.59 ± 8% -100.0% 0.00 ± -1% perf-profile.self.cycles-pp.radix_tree_lookup_slot
4.53 ± 7% -100.0% 0.00 ± -1% perf-profile.self.cycles-pp.unmap_underlying_metadata
***************************************************************************************************
lkp-bdw-de1: 16 threads Intel(R) Xeon(R) CPU D-1541 @ 2.10GHz with 8G memory
=========================================================================================
bs/compiler/cpufreq_governor/disk/fs/ioengine/kconfig/nr_task/rootfs/runtime/rw/tbox_group/test_size/testcase:
4k/gcc-6/performance/1SSD/ext4/sync/x86_64-rhel-7.2/64/debian-x86_64-2016-08-31.cgz/300s/randwrite/lkp-bdw-de1/400g/fio-basic
commit:
6f2b562c3a ("direct-io: Use clean_bdev_aliases() instead of handmade iteration")
adad5aa544 ("ext4: Use clean_bdev_aliases() instead of iteration")
6f2b562c3a89f4a6 adad5aa544e281d84f837b2786
---------------- --------------------------
%stddev %change %stddev
\ | \
21.99 ± 3% +88.0% 41.34 ± 0% fio.write_bw_MBps
5630 ± 3% +88.0% 10584 ± 0% fio.write_iops
0.01 ± 0% +2550.0% 0.27 ± 10% fio.latency_100ms%
1.82 ± 21% +31.9% 2.40 ± 2% fio.latency_20us%
5.41 ± 3% -44.0% 3.03 ± 1% fio.latency_250ms%
0.09 ± 24% -50.0% 0.04 ± 38% fio.latency_2us%
0.01 ± 0% +800.0% 0.09 ± 39% fio.latency_50ms%
0.10 ± 5% +36.8% 0.13 ± 12% fio.latency_50us%
0.01 ± 0% +100.0% 0.02 ± 0% fio.latency_750us%
0.01 ± 0% -100.0% 0.00 ± -1% fio.latency_>=2000ms%
13520302 ± 3% +87.9% 25407598 ± 0% fio.time.file_system_outputs
572.00 ± 11% +106.8% 1182 ± 9% fio.time.involuntary_context_switches
4.00 ± 0% +75.0% 7.00 ± 0% fio.time.percent_of_cpu_this_job_got
10.81 ± 3% +64.4% 17.77 ± 1% fio.time.system_time
124822 ± 0% +14.3% 142634 ± 0% fio.time.voluntary_context_switches
207872 ± 0% -100.0% 10.50 ± 4% fio.write_clat_95%_us
11370 ± 3% -46.9% 6043 ± 0% fio.write_clat_mean_us
48714 ± 1% -31.2% 33513 ± 0% fio.write_clat_stddev
779996 ± 4% +116.4% 1688045 ± 0% softirqs.BLOCK
236088 ± 1% -40.2% 141136 ± 2% softirqs.TIMER
1.273e+08 ± 32% +125.7% 2.873e+08 ± 7% cpuidle.C1-BDW.time
1259421 ± 8% +150.7% 3157306 ± 1% cpuidle.C1-BDW.usage
35610319 ± 8% +48.0% 52707031 ± 7% cpuidle.POLL.time
25450 ± 4% +159.0% 65928 ± 0% cpuidle.POLL.usage
6.06 ± 1% -43.9% 3.39 ± 0% iostat.sda.avgqu-sz
5181 ± 4% +116.2% 11205 ± 0% iostat.sda.w/s
48263 ± 2% +82.4% 88033 ± 0% iostat.sda.wkB/s
281.65 ± 9% +129.5% 646.34 ± 0% iostat.sda.wrqm/s
7.05 ± 2% -41.8% 4.10 ± 2% turbostat.%Busy
175.25 ± 2% -43.7% 98.75 ± 2% turbostat.Avg_MHz
0.83 ± 58% +102.7% 1.68 ± 22% turbostat.CPU%c3
24.78 ± 0% -6.2% 23.24 ± 0% turbostat.PkgWatt
20259 ± 4% +105.3% 41593 ± 0% vmstat.io.bo
40089 ± 3% +146.8% 98930 ± 0% vmstat.memory.buff
4840450 ± 1% +44.3% 6985650 ± 0% vmstat.memory.cache
2944417 ± 3% -75.0% 735714 ± 0% vmstat.memory.free
9190 ± 5% +131.5% 21271 ± 0% vmstat.system.cs
21597 ± 0% +27.5% 27530 ± 0% vmstat.system.in
206807 ± 0% +28.8% 266435 ± 0% meminfo.Active
91674 ± 1% +63.7% 150046 ± 0% meminfo.Active(file)
39950 ± 3% +147.0% 98691 ± 0% meminfo.Buffers
4301589 ± 1% +42.2% 6117099 ± 0% meminfo.Cached
147136 ± 4% -51.8% 70930 ± 3% meminfo.CmaFree
1231530 ± 0% -9.8% 1110281 ± 0% meminfo.Dirty
4165928 ± 1% +33.2% 5546973 ± 0% meminfo.Inactive
4035603 ± 1% +34.2% 5416550 ± 0% meminfo.Inactive(file)
2954425 ± 3% -75.0% 738296 ± 0% meminfo.MemFree
528634 ± 2% +63.7% 865637 ± 0% meminfo.SReclaimable
572788 ± 1% +58.8% 909788 ± 0% meminfo.Slab
82578 ± 22% +527.1% 517878 ± 0% meminfo.Unevictable
3.364e+11 ± 6% -83.3% 5.634e+10 ± 3% perf-stat.branch-instructions
0.08 ± 7% +1007.3% 0.91 ± 2% perf-stat.branch-miss-rate%
2.762e+08 ± 5% +86.2% 5.142e+08 ± 4% perf-stat.branch-misses
1.991e+09 ± 7% +56.6% 3.118e+09 ± 5% perf-stat.cache-misses
1.991e+09 ± 7% +56.6% 3.118e+09 ± 5% perf-stat.cache-references
2785024 ± 5% +131.2% 6439786 ± 0% perf-stat.context-switches
7.542e+11 ± 4% -46.1% 4.062e+11 ± 3% perf-stat.cpu-cycles
12762 ± 8% +64.5% 20989 ± 10% perf-stat.cpu-migrations
0.01 ± 4% +972.7% 0.07 ± 4% perf-stat.dTLB-load-miss-rate%
29564776 ± 14% +86.4% 55104164 ± 10% perf-stat.dTLB-load-misses
4.544e+11 ± 10% -82.6% 7.909e+10 ± 8% perf-stat.dTLB-loads
0.00 ± 11% +1059.4% 0.01 ± 2% perf-stat.dTLB-store-miss-rate%
2671103 ± 5% +34.6% 3595369 ± 3% perf-stat.dTLB-store-misses
3.157e+11 ± 6% -88.5% 3.635e+10 ± 0% perf-stat.dTLB-stores
9.80 ± 0% -23.4% 7.51 ± 4% perf-stat.iTLB-load-miss-rate%
7536032 ± 5% +15.5% 8705667 ± 4% perf-stat.iTLB-load-misses
69358427 ± 4% +54.6% 1.072e+08 ± 2% perf-stat.iTLB-loads
1.841e+12 ± 6% -84.9% 2.778e+11 ± 3% perf-stat.instructions
245649 ± 10% -87.0% 32014 ± 7% perf-stat.instructions-per-iTLB-miss
2.44 ± 2% -72.0% 0.68 ± 1% perf-stat.ipc
13430 ± 3% -8.6% 12278 ± 4% slabinfo.anon_vma.active_objs
13430 ± 3% -8.6% 12278 ± 4% slabinfo.anon_vma.num_objs
829.00 ± 3% +25.5% 1040 ± 1% slabinfo.blkdev_requests.active_objs
829.00 ± 3% +31.4% 1089 ± 1% slabinfo.blkdev_requests.num_objs
868726 ± 2% +54.0% 1338136 ± 0% slabinfo.buffer_head.active_objs
22278 ± 2% +54.1% 34328 ± 0% slabinfo.buffer_head.active_slabs
868881 ± 2% +54.1% 1338829 ± 0% slabinfo.buffer_head.num_objs
22278 ± 2% +54.1% 34328 ± 0% slabinfo.buffer_head.num_slabs
240.50 ± 9% +72.8% 415.50 ± 7% slabinfo.ext4_allocation_context.active_objs
240.50 ± 9% +72.8% 415.50 ± 7% slabinfo.ext4_allocation_context.num_objs
1008816 ± 3% +102.0% 2037569 ± 0% slabinfo.ext4_extent_status.active_objs
10145 ± 3% +99.7% 20257 ± 0% slabinfo.ext4_extent_status.active_slabs
1034848 ± 3% +99.7% 2066293 ± 0% slabinfo.ext4_extent_status.num_objs
10145 ± 3% +99.7% 20257 ± 0% slabinfo.ext4_extent_status.num_slabs
598.50 ± 7% +204.2% 1820 ± 16% slabinfo.ext4_io_end.active_objs
598.50 ± 7% +204.2% 1820 ± 16% slabinfo.ext4_io_end.num_objs
7552 ± 3% +139.9% 18119 ± 1% slabinfo.jbd2_journal_head.active_objs
225.50 ± 3% +145.5% 553.50 ± 1% slabinfo.jbd2_journal_head.active_slabs
7688 ± 3% +145.0% 18836 ± 1% slabinfo.jbd2_journal_head.num_objs
225.50 ± 3% +145.5% 553.50 ± 1% slabinfo.jbd2_journal_head.num_slabs
1705 ± 2% +10.9% 1892 ± 1% slabinfo.kmalloc-128.active_objs
1705 ± 2% +10.9% 1892 ± 1% slabinfo.kmalloc-128.num_objs
635923 ± 1% +68.0% 1068344 ± 0% slabinfo.radix_tree_node.active_objs
22711 ± 1% +68.1% 38179 ± 0% slabinfo.radix_tree_node.active_slabs
635924 ± 1% +68.1% 1069036 ± 0% slabinfo.radix_tree_node.num_objs
22711 ± 1% +68.1% 38179 ± 0% slabinfo.radix_tree_node.num_slabs
43.25 ± 30% +659.5% 328.50 ± 5% proc-vmstat.kswapd_high_wmark_hit_quickly
22911 ± 1% +63.7% 37511 ± 0% proc-vmstat.nr_active_file
1719405 ± 3% +88.3% 3238051 ± 0% proc-vmstat.nr_dirtied
307915 ± 0% -9.9% 277568 ± 0% proc-vmstat.nr_dirty
173320 ± 0% -11.2% 153959 ± 0% proc-vmstat.nr_dirty_background_threshold
347064 ± 0% -11.2% 308295 ± 0% proc-vmstat.nr_dirty_threshold
1084951 ± 1% +43.2% 1553939 ± 0% proc-vmstat.nr_file_pages
36802 ± 4% -51.8% 17727 ± 3% proc-vmstat.nr_free_cma
739051 ± 3% -75.0% 184500 ± 0% proc-vmstat.nr_free_pages
1008614 ± 1% +34.3% 1354148 ± 0% proc-vmstat.nr_inactive_file
132095 ± 2% +63.8% 216411 ± 0% proc-vmstat.nr_slab_reclaimable
20520 ± 22% +530.9% 129469 ± 0% proc-vmstat.nr_unevictable
1455387 ± 4% +104.6% 2977054 ± 0% proc-vmstat.nr_written
22911 ± 1% +63.7% 37512 ± 0% proc-vmstat.nr_zone_active_file
1008623 ± 1% +34.3% 1354156 ± 0% proc-vmstat.nr_zone_inactive_file
20520 ± 22% +530.9% 129469 ± 0% proc-vmstat.nr_zone_unevictable
307921 ± 0% -9.9% 277574 ± 0% proc-vmstat.nr_zone_write_pending
2276380 ± 2% +82.3% 4149633 ± 0% proc-vmstat.numa_hit
2276380 ± 2% +82.3% 4149633 ± 0% proc-vmstat.numa_local
2290 ± 8% -19.0% 1854 ± 3% proc-vmstat.pgactivate
586459 ± 0% +95.4% 1146061 ± 0% proc-vmstat.pgalloc_dma32
1813324 ± 3% +75.7% 3185203 ± 0% proc-vmstat.pgalloc_normal
686981 ± 11% +280.1% 2611518 ± 0% proc-vmstat.pgfree
6092313 ± 4% +106.2% 12563054 ± 0% proc-vmstat.pgpgout
11203 ± 36% +170.9% 30354 ± 8% proc-vmstat.pgrotated
449606 ± 16% +339.3% 1974929 ± 0% proc-vmstat.pgscan_kswapd
233963 ± 24% +654.4% 1764934 ± 0% proc-vmstat.pgsteal_kswapd
1198400 ± 16% +425.5% 6298080 ± 0% proc-vmstat.slabs_scanned
0.00 ± 0% +Inf% 71874 ± 1% proc-vmstat.workingset_nodereclaim
8388 ± 1% -71.6% 2385 ± 0% sched_debug.cfs_rq:/.exec_clock.avg
121674 ± 1% -83.1% 20594 ± 1% sched_debug.cfs_rq:/.exec_clock.max
488.99 ± 7% +83.9% 899.07 ± 2% sched_debug.cfs_rq:/.exec_clock.min
29252 ± 1% -83.9% 4705 ± 2% sched_debug.cfs_rq:/.exec_clock.stddev
14195 ± 1% -45.0% 7807 ± 8% sched_debug.cfs_rq:/.min_vruntime.avg
129717 ± 1% -79.5% 26584 ± 3% sched_debug.cfs_rq:/.min_vruntime.max
29978 ± 1% -82.1% 5358 ± 4% sched_debug.cfs_rq:/.min_vruntime.stddev
42.38 ± 13% -64.7% 14.96 ± 32% sched_debug.cfs_rq:/.runnable_load_avg.avg
587.46 ± 10% -73.2% 157.17 ± 58% sched_debug.cfs_rq:/.runnable_load_avg.max
142.60 ± 10% -72.0% 39.89 ± 54% sched_debug.cfs_rq:/.runnable_load_avg.stddev
-115054 ± -1% -84.2% -18209 ± -2% sched_debug.cfs_rq:/.spread0.avg
-124959 ± -1% -82.4% -21931 ± -2% sched_debug.cfs_rq:/.spread0.min
29980 ± 1% -82.1% 5359 ± 4% sched_debug.cfs_rq:/.spread0.stddev
183.46 ± 4% -12.6% 160.38 ± 3% sched_debug.cfs_rq:/.util_avg.avg
758.46 ± 6% -54.2% 347.67 ± 21% sched_debug.cfs_rq:/.util_avg.max
159.02 ± 6% -59.6% 64.19 ± 27% sched_debug.cfs_rq:/.util_avg.stddev
4.62 ± 14% +25.0% 5.78 ± 8% sched_debug.cpu.clock.stddev
4.62 ± 14% +25.0% 5.78 ± 8% sched_debug.cpu.clock_task.stddev
32.76 ± 20% -71.9% 9.22 ± 28% sched_debug.cpu.cpu_load[0].avg
476.58 ± 20% -82.2% 85.00 ± 41% sched_debug.cpu.cpu_load[0].max
115.51 ± 20% -80.9% 22.05 ± 38% sched_debug.cpu.cpu_load[0].stddev
50.30 ± 18% -35.9% 32.26 ± 22% sched_debug.cpu.cpu_load[1].avg
689.00 ± 14% -47.2% 363.67 ± 40% sched_debug.cpu.cpu_load[1].max
167.01 ± 14% -45.9% 90.39 ± 37% sched_debug.cpu.cpu_load[1].stddev
49.20 ± 17% -36.6% 31.17 ± 12% sched_debug.cpu.cpu_load[2].avg
685.33 ± 12% -48.1% 355.79 ± 25% sched_debug.cpu.cpu_load[2].max
165.88 ± 13% -47.3% 87.49 ± 22% sched_debug.cpu.cpu_load[2].stddev
48.09 ± 14% -39.4% 29.16 ± 13% sched_debug.cpu.cpu_load[3].avg
680.83 ± 10% -50.2% 339.04 ± 21% sched_debug.cpu.cpu_load[3].max
164.53 ± 10% -49.7% 82.78 ± 20% sched_debug.cpu.cpu_load[3].stddev
48.58 ± 10% -41.4% 28.46 ± 14% sched_debug.cpu.cpu_load[4].avg
688.96 ± 7% -51.1% 336.62 ± 20% sched_debug.cpu.cpu_load[4].max
166.58 ± 7% -50.9% 81.78 ± 19% sched_debug.cpu.cpu_load[4].stddev
98158 ± 2% -17.7% 80832 ± 9% sched_debug.cpu.load.avg
11358 ± 5% +18.9% 13505 ± 1% sched_debug.cpu.nr_load_updates.min
0.49 ± 22% -20.4% 0.39 ± 4% sched_debug.cpu.nr_running.stddev
68686 ± 5% +225.6% 223616 ± 0% sched_debug.cpu.nr_switches.avg
716941 ± 6% +334.4% 3114465 ± 0% sched_debug.cpu.nr_switches.max
15378 ± 9% +49.4% 22975 ± 1% sched_debug.cpu.nr_switches.min
167664 ± 7% +345.2% 746520 ± 0% sched_debug.cpu.nr_switches.stddev
27.08 ± 11% +91.2% 51.79 ± 28% sched_debug.cpu.nr_uninterruptible.max
-70.88 ±-30% +137.4% -168.25 ±-28% sched_debug.cpu.nr_uninterruptible.min
21.97 ± 21% +155.2% 56.05 ± 33% sched_debug.cpu.nr_uninterruptible.stddev
67027 ± 5% +230.8% 221705 ± 0% sched_debug.cpu.sched_count.avg
709329 ± 6% +338.0% 3106542 ± 0% sched_debug.cpu.sched_count.max
14191 ± 10% +52.9% 21695 ± 2% sched_debug.cpu.sched_count.min
166147 ± 7% +348.3% 744893 ± 0% sched_debug.cpu.sched_count.stddev
31385 ± 5% +227.5% 102792 ± 0% sched_debug.cpu.sched_goidle.avg
332305 ± 6% +333.7% 1441132 ± 0% sched_debug.cpu.sched_goidle.max
6750 ± 11% +54.1% 10404 ± 1% sched_debug.cpu.sched_goidle.min
77791 ± 7% +344.2% 345568 ± 0% sched_debug.cpu.sched_goidle.stddev
34470 ± 5% +242.0% 117883 ± 0% sched_debug.cpu.ttwu_count.avg
382534 ± 6% +338.8% 1678433 ± 0% sched_debug.cpu.ttwu_count.max
6678 ± 11% +48.9% 9940 ± 3% sched_debug.cpu.ttwu_count.min
89977 ± 7% +347.8% 402944 ± 0% sched_debug.cpu.ttwu_count.stddev
29594 ± 5% +275.3% 111065 ± 0% sched_debug.cpu.ttwu_local.avg
375624 ± 7% +342.3% 1661530 ± 0% sched_debug.cpu.ttwu_local.max
4098 ± 7% +46.2% 5994 ± 2% sched_debug.cpu.ttwu_local.min
89363 ± 7% +348.0% 400331 ± 0% sched_debug.cpu.ttwu_local.stddev
1.71 ± 25% +28.4% 2.20 ± 7% sched_debug.rt_rq:/.rt_time.max
0.44 ± 18% +21.7% 0.53 ± 7% sched_debug.rt_rq:/.rt_time.stddev
2.14 ± 21% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.___might_sleep.__might_sleep.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks
1.02 ± 29% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.___might_sleep.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
0.00 ± -1% +Inf% 1.14 ± 10% perf-profile.calltrace.cycles-pp.__blk_run_queue.blk_delay_work.process_one_work.worker_thread.kthread
0.13 ±173% +649.0% 0.96 ± 25% perf-profile.calltrace.cycles-pp.__blk_run_queue.blk_run_queue.scsi_run_queue.scsi_end_request.scsi_io_completion
0.45 ±100% +266.9% 1.66 ± 11% perf-profile.calltrace.cycles-pp.__block_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
0.45 ±100% +265.2% 1.65 ± 11% perf-profile.calltrace.cycles-pp.__block_write_begin_int.__block_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter
29.24 ± 29% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
1.71 ± 56% +164.8% 4.52 ± 4% perf-profile.calltrace.cycles-pp.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write.sys_write
0.35 ±104% +384.5% 1.72 ± 28% perf-profile.calltrace.cycles-pp.__handle_irq_event_percpu.handle_irq_event_percpu.handle_irq_event.handle_fasteoi_irq.handle_irq
0.00 ± -1% +Inf% 0.87 ± 21% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt
1.15 ± 21% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__might_sleep.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages
3.90 ± 22% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__might_sleep.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
12.80 ± 29% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.__radix_tree_lookup.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.__find_get_block_slow
0.66 ± 59% +211.3% 2.06 ± 27% perf-profile.calltrace.cycles-pp.__softirqentry_text_start.irq_exit.do_IRQ.ret_from_intr.cpuidle_enter
0.42 ± 58% +185.0% 1.19 ± 8% perf-profile.calltrace.cycles-pp.__tick_nohz_idle_enter.tick_nohz_irq_exit.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt
1.73 ± 55% +161.6% 4.53 ± 4% perf-profile.calltrace.cycles-pp.__vfs_write.vfs_write.sys_write.entry_SYSCALL_64_fastpath
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.calltrace.cycles-pp.__writeback_inodes_wb.wb_writeback.wb_workfn.process_one_work.worker_thread
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.calltrace.cycles-pp.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.wb_workfn
1.14 ± 30% +80.0% 2.05 ± 6% perf-profile.calltrace.cycles-pp._raw_spin_lock.tick_do_update_jiffies64.tick_irq_enter.irq_enter.smp_apic_timer_interrupt
0.13 ±173% +841.2% 1.20 ± 29% perf-profile.calltrace.cycles-pp.ahci_handle_port_intr.ahci_single_level_irq_intr.__handle_irq_event_percpu.handle_irq_event_percpu.handle_irq_event
0.34 ±104% +398.5% 1.71 ± 27% perf-profile.calltrace.cycles-pp.ahci_single_level_irq_intr.__handle_irq_event_percpu.handle_irq_event_percpu.handle_irq_event.handle_fasteoi_irq
3.24 ± 20% +104.9% 6.64 ± 8% perf-profile.calltrace.cycles-pp.apic_timer_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
0.00 ± -1% +Inf% 1.16 ± 10% perf-profile.calltrace.cycles-pp.blk_delay_work.process_one_work.worker_thread.kthread.ret_from_fork
0.66 ± 59% +202.6% 2.00 ± 26% perf-profile.calltrace.cycles-pp.blk_done_softirq.__softirqentry_text_start.irq_exit.do_IRQ.ret_from_intr
0.13 ±173% +645.3% 0.99 ± 25% perf-profile.calltrace.cycles-pp.blk_run_queue.scsi_run_queue.scsi_end_request.scsi_io_completion.scsi_finish_command
0.36 ±105% +372.6% 1.73 ± 38% perf-profile.calltrace.cycles-pp.call_console_drivers.console_unlock.vprintk_emit.vprintk_default.printk
2.92 ± 40% +296.0% 11.55 ± 19% perf-profile.calltrace.cycles-pp.call_cpuidle.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations
44.69 ± 17% +40.6% 62.85 ± 8% perf-profile.calltrace.cycles-pp.call_cpuidle.cpu_startup_entry.start_secondary
0.36 ±105% +374.7% 1.73 ± 39% perf-profile.calltrace.cycles-pp.console_unlock.vprintk_emit.vprintk_default.printk.perf_duration_warn
3.41 ± 39% +287.3% 13.21 ± 20% perf-profile.calltrace.cycles-pp.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel
45.17 ± 17% +41.1% 63.73 ± 8% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary
2.92 ± 40% +295.3% 11.52 ± 19% perf-profile.calltrace.cycles-pp.cpuidle_enter.call_cpuidle.cpu_startup_entry.rest_init.start_kernel
44.67 ± 17% +40.7% 62.83 ± 8% perf-profile.calltrace.cycles-pp.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
1.42 ± 40% +380.2% 6.81 ± 17% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry.rest_init
40.70 ± 17% +33.2% 54.22 ± 9% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
1.39 ± 41% +205.1% 4.22 ± 24% perf-profile.calltrace.cycles-pp.do_IRQ.ret_from_intr.cpuidle_enter.call_cpuidle.cpu_startup_entry
0.77 ± 24% +73.7% 1.34 ± 25% perf-profile.calltrace.cycles-pp.do_wait.sys_wait4.entry_SYSCALL_64_fastpath
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.calltrace.cycles-pp.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback
2.72 ± 41% +141.6% 6.57 ± 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_fastpath
0.15 ±173% +418.6% 0.76 ± 30% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_fastpath.read
0.33 ±100% +304.6% 1.32 ± 10% perf-profile.calltrace.cycles-pp.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin.generic_perform_write
1.01 ± 74% +210.2% 3.12 ± 3% perf-profile.calltrace.cycles-pp.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write
0.30 ±100% +269.2% 1.11 ± 11% perf-profile.calltrace.cycles-pp.ext4_es_lookup_extent.ext4_da_get_block_prep.__block_write_begin_int.__block_write_begin.ext4_da_write_begin
42.95 ± 26% -91.3% 3.74 ± 18% perf-profile.calltrace.cycles-pp.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages.__writeback_single_inode
1.72 ± 55% +163.6% 4.53 ± 4% perf-profile.calltrace.cycles-pp.ext4_file_write_iter.__vfs_write.vfs_write.sys_write.entry_SYSCALL_64_fastpath
43.95 ± 25% -89.4% 4.66 ± 17% perf-profile.calltrace.cycles-pp.ext4_map_blocks.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
0.92 ± 61% +103.5% 1.87 ± 18% perf-profile.calltrace.cycles-pp.ext4_split_extent.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages
0.82 ± 62% +89.6% 1.55 ± 22% perf-profile.calltrace.cycles-pp.ext4_split_extent_at.ext4_split_extent.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages
46.85 ± 22% -78.5% 10.06 ± 23% perf-profile.calltrace.cycles-pp.ext4_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb
1.08 ± 23% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.find_get_entry.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks
17.78 ± 29% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.find_get_entry.pagecache_get_page.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks
1.65 ± 58% +165.7% 4.37 ± 3% perf-profile.calltrace.cycles-pp.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter.__vfs_write.vfs_write
0.15 ±173% +672.9% 1.14 ± 9% perf-profile.calltrace.cycles-pp.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter.ext4_file_write_iter
0.39 ±103% +393.6% 1.93 ± 24% perf-profile.calltrace.cycles-pp.handle_fasteoi_irq.handle_irq.do_IRQ.ret_from_intr.cpuidle_enter
0.40 ±103% +392.5% 1.96 ± 23% perf-profile.calltrace.cycles-pp.handle_irq.do_IRQ.ret_from_intr.cpuidle_enter.call_cpuidle
0.35 ±104% +393.7% 1.75 ± 27% perf-profile.calltrace.cycles-pp.handle_irq_event.handle_fasteoi_irq.handle_irq.do_IRQ.ret_from_intr
0.35 ±104% +393.7% 1.75 ± 27% perf-profile.calltrace.cycles-pp.handle_irq_event_percpu.handle_irq_event.handle_fasteoi_irq.handle_irq.do_IRQ
0.66 ± 19% +134.0% 1.53 ± 25% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter
0.00 ± -1% +Inf% 0.92 ± 39% perf-profile.calltrace.cycles-pp.io_serial_in.wait_for_xmitr.serial8250_console_putchar.uart_console_write.serial8250_console_write
1.64 ± 26% +81.1% 2.98 ± 11% perf-profile.calltrace.cycles-pp.irq_enter.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle
0.70 ± 60% +208.2% 2.17 ± 25% perf-profile.calltrace.cycles-pp.irq_exit.do_IRQ.ret_from_intr.cpuidle_enter.call_cpuidle
0.79 ± 9% +123.0% 1.77 ± 10% perf-profile.calltrace.cycles-pp.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle
0.36 ±105% +374.7% 1.73 ± 39% perf-profile.calltrace.cycles-pp.irq_work_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
0.36 ±105% +374.7% 1.73 ± 39% perf-profile.calltrace.cycles-pp.irq_work_run.smp_irq_work_interrupt.irq_work_interrupt.cpuidle_enter.call_cpuidle
0.36 ±105% +374.7% 1.73 ± 39% perf-profile.calltrace.cycles-pp.irq_work_run_list.irq_work_run.smp_irq_work_interrupt.irq_work_interrupt.cpuidle_enter
0.00 ± -1% +Inf% 1.24 ± 22% perf-profile.calltrace.cycles-pp.kswapd.kthread.ret_from_fork
47.58 ± 21% -70.6% 14.00 ± 19% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork
0.69 ± 20% +140.4% 1.67 ± 23% perf-profile.calltrace.cycles-pp.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle
1.14 ± 30% +80.0% 2.05 ± 6% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.tick_do_update_jiffies64.tick_irq_enter.irq_enter
23.25 ± 30% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.pagecache_get_page.__find_get_block_slow.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks
0.15 ±173% +669.5% 1.14 ± 9% perf-profile.calltrace.cycles-pp.pagecache_get_page.grab_cache_page_write_begin.ext4_da_write_begin.generic_perform_write.__generic_file_write_iter
0.36 ±105% +374.7% 1.73 ± 39% perf-profile.calltrace.cycles-pp.perf_duration_warn.irq_work_run_list.irq_work_run.smp_irq_work_interrupt.irq_work_interrupt
5.62 ± 25% +212.8% 17.59 ± 22% perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry
0.36 ±105% +374.7% 1.73 ± 39% perf-profile.calltrace.cycles-pp.printk.perf_duration_warn.irq_work_run_list.irq_work_run.smp_irq_work_interrupt
47.34 ± 21% -74.7% 11.96 ± 20% perf-profile.calltrace.cycles-pp.process_one_work.worker_thread.kthread.ret_from_fork
14.58 ± 29% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.radix_tree_lookup_slot.find_get_entry.pagecache_get_page.__find_get_block_slow.unmap_underlying_metadata
0.15 ±173% +427.1% 0.78 ± 28% perf-profile.calltrace.cycles-pp.read
3.42 ± 38% +287.3% 13.25 ± 20% perf-profile.calltrace.cycles-pp.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel
47.58 ± 21% -70.6% 14.00 ± 19% perf-profile.calltrace.cycles-pp.ret_from_fork
1.39 ± 41% +205.4% 4.23 ± 24% perf-profile.calltrace.cycles-pp.ret_from_intr.cpuidle_enter.call_cpuidle.cpu_startup_entry.rest_init
0.59 ± 60% +204.2% 1.81 ± 25% perf-profile.calltrace.cycles-pp.scsi_end_request.scsi_io_completion.scsi_finish_command.scsi_softirq_done.blk_done_softirq
0.62 ± 59% +203.6% 1.88 ± 26% perf-profile.calltrace.cycles-pp.scsi_finish_command.scsi_softirq_done.blk_done_softirq.__softirqentry_text_start.irq_exit
0.60 ± 60% +207.1% 1.84 ± 27% perf-profile.calltrace.cycles-pp.scsi_io_completion.scsi_finish_command.scsi_softirq_done.blk_done_softirq.__softirqentry_text_start
0.00 ± -1% +Inf% 1.12 ± 10% perf-profile.calltrace.cycles-pp.scsi_request_fn.__blk_run_queue.blk_delay_work.process_one_work.worker_thread
0.13 ±173% +641.2% 0.95 ± 24% perf-profile.calltrace.cycles-pp.scsi_request_fn.__blk_run_queue.blk_run_queue.scsi_run_queue.scsi_end_request
0.13 ±173% +645.3% 0.99 ± 25% perf-profile.calltrace.cycles-pp.scsi_run_queue.scsi_end_request.scsi_io_completion.scsi_finish_command.scsi_softirq_done
0.63 ± 59% +203.2% 1.92 ± 25% perf-profile.calltrace.cycles-pp.scsi_softirq_done.blk_done_softirq.__softirqentry_text_start.irq_exit.do_IRQ
0.20 ±173% +687.2% 1.54 ± 38% perf-profile.calltrace.cycles-pp.serial8250_console_putchar.uart_console_write.serial8250_console_write.univ8250_console_write.call_console_drivers
0.33 ±105% +385.6% 1.60 ± 38% perf-profile.calltrace.cycles-pp.serial8250_console_write.univ8250_console_write.call_console_drivers.console_unlock.vprintk_emit
0.00 ± -1% +Inf% 0.84 ± 27% perf-profile.calltrace.cycles-pp.shrink_inactive_list.shrink_node_memcg.shrink_node.kswapd.kthread
0.00 ± -1% +Inf% 1.23 ± 22% perf-profile.calltrace.cycles-pp.shrink_node.kswapd.kthread.ret_from_fork
0.00 ± -1% +Inf% 0.84 ± 27% perf-profile.calltrace.cycles-pp.shrink_node_memcg.shrink_node.kswapd.kthread.ret_from_fork
0.00 ± -1% +Inf% 0.80 ± 24% perf-profile.calltrace.cycles-pp.shrink_page_list.shrink_inactive_list.shrink_node_memcg.shrink_node.kswapd
3.22 ± 20% +104.0% 6.56 ± 7% perf-profile.calltrace.cycles-pp.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry
0.36 ±105% +374.7% 1.73 ± 39% perf-profile.calltrace.cycles-pp.smp_irq_work_interrupt.irq_work_interrupt.cpuidle_enter.call_cpuidle.cpu_startup_entry
3.42 ± 38% +287.3% 13.25 ± 20% perf-profile.calltrace.cycles-pp.start_kernel.x86_64_start_reservations.x86_64_start_kernel
45.20 ± 17% +41.2% 63.81 ± 8% perf-profile.calltrace.cycles-pp.start_secondary
0.79 ± 22% +78.9% 1.42 ± 23% perf-profile.calltrace.cycles-pp.sys_wait4.entry_SYSCALL_64_fastpath
1.78 ± 55% +166.8% 4.74 ± 5% perf-profile.calltrace.cycles-pp.sys_write.entry_SYSCALL_64_fastpath
1.25 ± 29% +77.5% 2.21 ± 9% perf-profile.calltrace.cycles-pp.tick_do_update_jiffies64.tick_irq_enter.irq_enter.smp_apic_timer_interrupt.apic_timer_interrupt
1.55 ± 26% +79.1% 2.78 ± 10% perf-profile.calltrace.cycles-pp.tick_irq_enter.irq_enter.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter
0.55 ± 8% +124.1% 1.23 ± 9% perf-profile.calltrace.cycles-pp.tick_nohz_irq_exit.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt.cpuidle_enter
0.14 ±173% +621.4% 1.01 ± 10% perf-profile.calltrace.cycles-pp.tick_nohz_stop_sched_tick.__tick_nohz_idle_enter.tick_nohz_irq_exit.irq_exit.smp_apic_timer_interrupt
0.20 ±173% +687.2% 1.54 ± 38% perf-profile.calltrace.cycles-pp.uart_console_write.serial8250_console_write.univ8250_console_write.call_console_drivers.console_unlock
0.33 ±105% +385.6% 1.60 ± 38% perf-profile.calltrace.cycles-pp.univ8250_console_write.call_console_drivers.console_unlock.vprintk_emit.vprintk_default
38.19 ± 28% -100.0% 0.00 ± -1% perf-profile.calltrace.cycles-pp.unmap_underlying_metadata.ext4_ext_map_blocks.ext4_map_blocks.ext4_writepages.do_writepages
1.76 ± 55% +166.3% 4.70 ± 4% perf-profile.calltrace.cycles-pp.vfs_write.sys_write.entry_SYSCALL_64_fastpath
0.36 ±105% +374.7% 1.73 ± 39% perf-profile.calltrace.cycles-pp.vprintk_default.printk.perf_duration_warn.irq_work_run_list.irq_work_run
0.36 ±105% +374.7% 1.73 ± 39% perf-profile.calltrace.cycles-pp.vprintk_emit.vprintk_default.printk.perf_duration_warn.irq_work_run_list
0.62 ± 22% +75.2% 1.09 ± 22% perf-profile.calltrace.cycles-pp.wait_consider_task.do_wait.sys_wait4.entry_SYSCALL_64_fastpath
0.19 ±173% +702.7% 1.50 ± 38% perf-profile.calltrace.cycles-pp.wait_for_xmitr.serial8250_console_putchar.uart_console_write.serial8250_console_write.univ8250_console_write
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.calltrace.cycles-pp.wb_workfn.process_one_work.worker_thread.kthread.ret_from_fork
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.calltrace.cycles-pp.wb_writeback.wb_workfn.process_one_work.worker_thread.kthread
47.44 ± 21% -74.1% 12.27 ± 19% perf-profile.calltrace.cycles-pp.worker_thread.kthread.ret_from_fork
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.calltrace.cycles-pp.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.wb_workfn.process_one_work
3.42 ± 38% +287.3% 13.25 ± 20% perf-profile.calltrace.cycles-pp.x86_64_start_kernel
3.42 ± 38% +287.3% 13.25 ± 20% perf-profile.calltrace.cycles-pp.x86_64_start_reservations.x86_64_start_kernel
3.26 ± 22% -92.8% 0.24 ± 23% perf-profile.children.cycles-pp.___might_sleep
0.92 ± 35% +151.2% 2.31 ± 20% perf-profile.children.cycles-pp.__blk_run_queue
0.56 ± 63% +199.1% 1.66 ± 11% perf-profile.children.cycles-pp.__block_write_begin
0.56 ± 63% +196.4% 1.65 ± 11% perf-profile.children.cycles-pp.__block_write_begin_int
29.84 ± 29% -99.5% 0.14 ± 26% perf-profile.children.cycles-pp.__find_get_block_slow
1.71 ± 55% +164.4% 4.52 ± 4% perf-profile.children.cycles-pp.__generic_file_write_iter
0.96 ± 37% +90.1% 1.81 ± 25% perf-profile.children.cycles-pp.__handle_irq_event_percpu
0.42 ± 21% +137.1% 0.99 ± 21% perf-profile.children.cycles-pp.__hrtimer_run_queues
5.19 ± 20% -93.8% 0.32 ± 21% perf-profile.children.cycles-pp.__might_sleep
13.51 ± 28% -93.0% 0.95 ± 9% perf-profile.children.cycles-pp.__radix_tree_lookup
0.32 ± 30% +230.7% 1.05 ± 8% perf-profile.children.cycles-pp.__schedule
1.36 ± 27% +113.4% 2.91 ± 20% perf-profile.children.cycles-pp.__softirqentry_text_start
0.67 ± 17% +151.3% 1.69 ± 10% perf-profile.children.cycles-pp.__tick_nohz_idle_enter
0.35 ± 32% +111.6% 0.73 ± 38% perf-profile.children.cycles-pp.__vfs_read
1.98 ± 50% +160.2% 5.15 ± 6% perf-profile.children.cycles-pp.__vfs_write
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.children.cycles-pp.__writeback_inodes_wb
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.children.cycles-pp.__writeback_single_inode
1.61 ± 27% +98.1% 3.19 ± 9% perf-profile.children.cycles-pp._raw_spin_lock
0.33 ± 43% +132.8% 0.76 ± 25% perf-profile.children.cycles-pp.ahci_handle_port_interrupt
0.62 ± 36% +105.3% 1.27 ± 27% perf-profile.children.cycles-pp.ahci_handle_port_intr
0.93 ± 37% +92.8% 1.80 ± 25% perf-profile.children.cycles-pp.ahci_single_level_irq_intr
3.48 ± 19% +108.3% 7.25 ± 8% perf-profile.children.cycles-pp.apic_timer_interrupt
0.22 ± 31% +218.2% 0.70 ± 34% perf-profile.children.cycles-pp.ast_imageblit
0.21 ± 45% +457.8% 1.16 ± 10% perf-profile.children.cycles-pp.blk_delay_work
1.03 ± 36% +119.9% 2.27 ± 24% perf-profile.children.cycles-pp.blk_done_softirq
0.49 ± 40% +137.9% 1.18 ± 28% perf-profile.children.cycles-pp.blk_run_queue
0.55 ± 42% +213.6% 1.73 ± 38% perf-profile.children.cycles-pp.call_console_drivers
47.62 ± 18% +56.3% 74.41 ± 4% perf-profile.children.cycles-pp.call_cpuidle
0.55 ± 42% +215.0% 1.73 ± 39% perf-profile.children.cycles-pp.console_unlock
48.58 ± 18% +58.4% 76.95 ± 3% perf-profile.children.cycles-pp.cpu_startup_entry
47.58 ± 18% +56.3% 74.35 ± 4% perf-profile.children.cycles-pp.cpuidle_enter
42.12 ± 17% +44.9% 61.02 ± 6% perf-profile.children.cycles-pp.cpuidle_enter_state
0.55 ± 47% +78.5% 0.98 ± 24% perf-profile.children.cycles-pp.crypto_shash_update
2.17 ± 37% +110.4% 4.56 ± 23% perf-profile.children.cycles-pp.do_IRQ
0.77 ± 24% +74.8% 1.35 ± 26% perf-profile.children.cycles-pp.do_wait
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.children.cycles-pp.do_writepages
3.43 ± 35% +139.4% 8.22 ± 6% perf-profile.children.cycles-pp.entry_SYSCALL_64_fastpath
0.41 ± 58% +220.7% 1.32 ± 10% perf-profile.children.cycles-pp.ext4_da_get_block_prep
1.10 ± 58% +184.7% 3.12 ± 3% perf-profile.children.cycles-pp.ext4_da_write_begin
0.46 ± 46% +181.9% 1.28 ± 5% perf-profile.children.cycles-pp.ext4_es_lookup_extent
42.95 ± 26% -91.1% 3.84 ± 18% perf-profile.children.cycles-pp.ext4_ext_map_blocks
1.72 ± 55% +163.6% 4.53 ± 4% perf-profile.children.cycles-pp.ext4_file_write_iter
0.31 ± 35% +211.3% 0.97 ± 22% perf-profile.children.cycles-pp.ext4_find_extent
43.95 ± 25% -89.3% 4.69 ± 17% perf-profile.children.cycles-pp.ext4_map_blocks
1.00 ± 44% +87.2% 1.87 ± 18% perf-profile.children.cycles-pp.ext4_split_extent
0.88 ± 47% +77.3% 1.56 ± 22% perf-profile.children.cycles-pp.ext4_split_extent_at
46.85 ± 22% -78.5% 10.06 ± 23% perf-profile.children.cycles-pp.ext4_writepages
19.06 ± 28% -96.9% 0.60 ± 6% perf-profile.children.cycles-pp.find_get_entry
1.19 ± 38% +124.8% 2.67 ± 32% perf-profile.children.cycles-pp.find_get_pages
1.65 ± 58% +165.7% 4.37 ± 3% perf-profile.children.cycles-pp.generic_perform_write
0.36 ± 52% +215.9% 1.15 ± 10% perf-profile.children.cycles-pp.grab_cache_page_write_begin
1.04 ± 38% +96.4% 2.04 ± 21% perf-profile.children.cycles-pp.handle_fasteoi_irq
1.05 ± 38% +97.6% 2.07 ± 21% perf-profile.children.cycles-pp.handle_irq
0.98 ± 38% +90.3% 1.86 ± 25% perf-profile.children.cycles-pp.handle_irq_event
0.97 ± 38% +91.8% 1.87 ± 25% perf-profile.children.cycles-pp.handle_irq_event_percpu
0.76 ± 16% +122.6% 1.70 ± 22% perf-profile.children.cycles-pp.hrtimer_interrupt
0.29 ± 37% +227.1% 0.97 ± 39% perf-profile.children.cycles-pp.io_serial_in
1.71 ± 25% +91.8% 3.28 ± 11% perf-profile.children.cycles-pp.irq_enter
2.03 ± 22% +118.6% 4.44 ± 14% perf-profile.children.cycles-pp.irq_exit
0.55 ± 42% +215.0% 1.73 ± 39% perf-profile.children.cycles-pp.irq_work_interrupt
0.55 ± 42% +215.0% 1.73 ± 39% perf-profile.children.cycles-pp.irq_work_run
0.55 ± 42% +215.0% 1.73 ± 39% perf-profile.children.cycles-pp.irq_work_run_list
0.00 ± -1% +Inf% 1.24 ± 22% perf-profile.children.cycles-pp.kswapd
47.58 ± 21% -70.6% 14.00 ± 19% perf-profile.children.cycles-pp.kthread
0.80 ± 17% +128.7% 1.83 ± 21% perf-profile.children.cycles-pp.local_apic_timer_interrupt
1.20 ± 28% +87.0% 2.23 ± 7% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
24.30 ± 28% -94.8% 1.27 ± 9% perf-profile.children.cycles-pp.pagecache_get_page
1.23 ± 39% +118.4% 2.70 ± 31% perf-profile.children.cycles-pp.pagevec_lookup
0.55 ± 42% +215.0% 1.73 ± 39% perf-profile.children.cycles-pp.perf_duration_warn
5.69 ± 22% +209.2% 17.59 ± 22% perf-profile.children.cycles-pp.poll_idle
0.55 ± 42% +215.0% 1.73 ± 39% perf-profile.children.cycles-pp.printk
47.34 ± 21% -74.7% 11.96 ± 20% perf-profile.children.cycles-pp.process_one_work
15.33 ± 28% -96.2% 0.58 ± 7% perf-profile.children.cycles-pp.radix_tree_lookup_slot
0.38 ± 33% +107.3% 0.78 ± 28% perf-profile.children.cycles-pp.read
3.42 ± 38% +287.3% 13.25 ± 20% perf-profile.children.cycles-pp.rest_init
47.58 ± 21% -70.6% 14.01 ± 19% perf-profile.children.cycles-pp.ret_from_fork
2.18 ± 37% +109.5% 4.57 ± 23% perf-profile.children.cycles-pp.ret_from_intr
0.34 ± 30% +215.3% 1.08 ± 6% perf-profile.children.cycles-pp.schedule
0.93 ± 37% +120.9% 2.06 ± 23% perf-profile.children.cycles-pp.scsi_end_request
0.97 ± 36% +120.7% 2.13 ± 23% perf-profile.children.cycles-pp.scsi_finish_command
0.94 ± 37% +121.8% 2.08 ± 24% perf-profile.children.cycles-pp.scsi_io_completion
0.87 ± 36% +161.2% 2.27 ± 19% perf-profile.children.cycles-pp.scsi_request_fn
0.51 ± 41% +134.6% 1.20 ± 29% perf-profile.children.cycles-pp.scsi_run_queue
0.99 ± 36% +120.8% 2.17 ± 23% perf-profile.children.cycles-pp.scsi_softirq_done
0.48 ± 41% +219.8% 1.54 ± 38% perf-profile.children.cycles-pp.serial8250_console_putchar
0.50 ± 41% +218.9% 1.60 ± 38% perf-profile.children.cycles-pp.serial8250_console_write
0.00 ± -1% +Inf% 0.84 ± 27% perf-profile.children.cycles-pp.shrink_inactive_list
0.00 ± -1% +Inf% 1.23 ± 22% perf-profile.children.cycles-pp.shrink_node
0.00 ± -1% +Inf% 0.84 ± 27% perf-profile.children.cycles-pp.shrink_node_memcg
0.00 ± -1% +Inf% 0.80 ± 24% perf-profile.children.cycles-pp.shrink_page_list
3.46 ± 19% +107.3% 7.16 ± 7% perf-profile.children.cycles-pp.smp_apic_timer_interrupt
0.55 ± 42% +215.0% 1.73 ± 39% perf-profile.children.cycles-pp.smp_irq_work_interrupt
3.42 ± 38% +287.3% 13.25 ± 20% perf-profile.children.cycles-pp.start_kernel
45.20 ± 17% +41.2% 63.81 ± 8% perf-profile.children.cycles-pp.start_secondary
0.40 ± 26% +113.1% 0.85 ± 32% perf-profile.children.cycles-pp.sys_read
0.80 ± 22% +79.9% 1.43 ± 23% perf-profile.children.cycles-pp.sys_wait4
2.07 ± 47% +162.2% 5.43 ± 6% perf-profile.children.cycles-pp.sys_write
1.31 ± 29% +88.4% 2.47 ± 11% perf-profile.children.cycles-pp.tick_do_update_jiffies64
1.61 ± 26% +90.2% 3.07 ± 10% perf-profile.children.cycles-pp.tick_irq_enter
0.59 ± 12% +137.3% 1.40 ± 4% perf-profile.children.cycles-pp.tick_nohz_irq_exit
0.59 ± 16% +141.3% 1.42 ± 8% perf-profile.children.cycles-pp.tick_nohz_stop_sched_tick
0.37 ± 42% +173.2% 1.02 ± 11% perf-profile.children.cycles-pp.try_to_wake_up
0.33 ± 42% +169.9% 0.90 ± 11% perf-profile.children.cycles-pp.ttwu_do_activate
0.48 ± 41% +219.8% 1.54 ± 38% perf-profile.children.cycles-pp.uart_console_write
0.50 ± 41% +218.9% 1.60 ± 38% perf-profile.children.cycles-pp.univ8250_console_write
38.78 ± 28% -99.7% 0.12 ± 42% perf-profile.children.cycles-pp.unmap_underlying_metadata
0.39 ± 23% +116.9% 0.84 ± 34% perf-profile.children.cycles-pp.vfs_read
2.04 ± 48% +162.8% 5.38 ± 6% perf-profile.children.cycles-pp.vfs_write
0.55 ± 42% +215.0% 1.73 ± 39% perf-profile.children.cycles-pp.vprintk_default
0.55 ± 42% +215.0% 1.73 ± 39% perf-profile.children.cycles-pp.vprintk_emit
0.63 ± 22% +78.2% 1.12 ± 21% perf-profile.children.cycles-pp.wait_consider_task
0.49 ± 39% +219.9% 1.57 ± 38% perf-profile.children.cycles-pp.wait_for_xmitr
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.children.cycles-pp.wb_workfn
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.children.cycles-pp.wb_writeback
47.44 ± 21% -74.1% 12.27 ± 19% perf-profile.children.cycles-pp.worker_thread
46.87 ± 22% -78.5% 10.06 ± 23% perf-profile.children.cycles-pp.writeback_sb_inodes
3.42 ± 38% +287.3% 13.25 ± 20% perf-profile.children.cycles-pp.x86_64_start_kernel
3.42 ± 38% +287.3% 13.25 ± 20% perf-profile.children.cycles-pp.x86_64_start_reservations
3.26 ± 22% -92.8% 0.24 ± 23% perf-profile.self.cycles-pp.___might_sleep
5.38 ± 30% -100.0% 0.00 ± -1% perf-profile.self.cycles-pp.__find_get_block_slow
2.93 ± 23% -95.0% 0.15 ± 33% perf-profile.self.cycles-pp.__might_sleep
13.51 ± 28% -93.0% 0.95 ± 9% perf-profile.self.cycles-pp.__radix_tree_lookup
0.45 ± 21% +125.6% 1.01 ± 13% perf-profile.self.cycles-pp._raw_spin_lock
0.36 ± 22% +148.3% 0.89 ± 20% perf-profile.self.cycles-pp.cpuidle_enter_state
0.46 ± 46% +181.9% 1.28 ± 5% perf-profile.self.cycles-pp.ext4_es_lookup_extent
1.06 ± 24% -93.0% 0.07 ± 66% perf-profile.self.cycles-pp.ext4_ext_map_blocks
3.75 ± 30% -100.0% 0.00 ± -1% perf-profile.self.cycles-pp.find_get_entry
0.46 ± 43% +174.9% 1.26 ± 35% perf-profile.self.cycles-pp.find_get_pages
0.29 ± 37% +227.1% 0.97 ± 39% perf-profile.self.cycles-pp.io_serial_in
1.20 ± 28% +87.0% 2.23 ± 7% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
5.50 ± 29% -100.0% 0.00 ± -1% perf-profile.self.cycles-pp.pagecache_get_page
5.69 ± 22% +209.2% 17.59 ± 22% perf-profile.self.cycles-pp.poll_idle
2.18 ± 33% -100.0% 0.00 ± -1% perf-profile.self.cycles-pp.radix_tree_lookup_slot
3.85 ± 26% -100.0% 0.00 ± -1% perf-profile.self.cycles-pp.unmap_underlying_metadata
0.60 ± 21% +78.3% 1.07 ± 21% perf-profile.self.cycles-pp.wait_consider_task
Thanks,
Xiaolong