[PATCH 21/91] perf vendor events power9: Add hv_24x7 socket/chip level metric events
From: Arnaldo Carvalho de Melo <acme@kernel.org>
Date: 2020-05-06 15:24:14
Also in:
linux-perf-users, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
From: Kajol Jain <redacted>
The hv_24×7 feature in IBM® POWER9™ processor-based servers provide the
facility to continuously collect large numbers of hardware performance
metrics efficiently and accurately.
This patch adds hv_24x7 metric file for different Socket/chip
resources.
Result:
power9 platform:
command:# ./perf stat --metric-only -M Memory_RD_BW_Chip -C 0 -I 1000
1.000096188 0.9 0.3
2.000285720 0.5 0.1
3.000424990 0.4 0.1
command:# ./perf stat --metric-only -M PowerBUS_Frequency -C 0 -I 1000
1.000097981 2.3 2.3
2.000291713 2.3 2.3
3.000421719 2.3 2.3
4.000550912 2.3 2.3
Signed-off-by: Kajol Jain <redacted>
Acked-by: Jiri Olsa <redacted>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <redacted>
Cc: Anju T Sudhakar <redacted>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jin Yao <redacted>
Cc: Joe Mario <redacted>
Cc: Kan Liang <redacted>
Cc: Madhavan Srinivasan <redacted>
Cc: Mamatha Inamdar <redacted>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Petlan <redacted>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <redacted>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <redacted>
Cc: Sukadev Bhattiprolu <redacted>
Cc: Thomas Gleixner <redacted>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lore.kernel.org/lkml/20200401203340.31402-8-kjain@linux.ibm.com (local)
Signed-off-by: Arnaldo Carvalho de Melo <redacted>
---
.../arch/powerpc/power9/nest_metrics.json | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/powerpc/power9/nest_metrics.json
diff --git a/tools/perf/pmu-events/arch/powerpc/power9/nest_metrics.json b/tools/perf/pmu-events/arch/powerpc/power9/nest_metrics.json
new file mode 100644
index 000000000000..c121e526442a
--- /dev/null
+++ b/tools/perf/pmu-events/arch/powerpc/power9/nest_metrics.json@@ -0,0 +1,19 @@ +[ + { + "MetricExpr": "(hv_24x7@PM_MCS01_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS01_128B_RD_DISP_PORT23\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_RD_DISP_PORT23\\,chip\\=?@)", + "MetricName": "Memory_RD_BW_Chip", + "MetricGroup": "Memory_BW", + "ScaleUnit": "1.6e-2MB" + }, + { + "MetricExpr": "(hv_24x7@PM_MCS01_128B_WR_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS01_128B_WR_DISP_PORT23\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_WR_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_WR_DISP_PORT23\\,chip\\=?@ )", + "MetricName": "Memory_WR_BW_Chip", + "MetricGroup": "Memory_BW", + "ScaleUnit": "1.6e-2MB" + }, + { + "MetricExpr": "(hv_24x7@PM_PB_CYC\\,chip\\=?@ )", + "MetricName": "PowerBUS_Frequency", + "ScaleUnit": "2.5e-7GHz" + } +]
--
2.21.1