[PATCH] powerpc/configs: Disable latencytop

Subsystems: linux for powerpc (32-bit and 64-bit), the rest

STALE2581d

2 messages, 2 authors, 2019-07-08 · open the first message on its own page

[PATCH] powerpc/configs: Disable latencytop

From: Anton Blanchard <hidden>
Date: 2019-06-04 05:44:13 

latencytop adds almost 4kB to each and every task struct and as such
it doesn't deserve to be in our defconfigs.

Signed-off-by: Anton Blanchard <redacted>
---
 arch/powerpc/configs/g5_defconfig       | 1 -
 arch/powerpc/configs/gamecube_defconfig | 1 -
 arch/powerpc/configs/maple_defconfig    | 1 -
 arch/powerpc/configs/pmac32_defconfig   | 1 -
 arch/powerpc/configs/powernv_defconfig  | 1 -
 arch/powerpc/configs/ppc64_defconfig    | 1 -
 arch/powerpc/configs/ppc64e_defconfig   | 1 -
 arch/powerpc/configs/ppc6xx_defconfig   | 1 -
 arch/powerpc/configs/pseries_defconfig  | 1 -
 arch/powerpc/configs/wii_defconfig      | 1 -
 10 files changed, 10 deletions(-)

diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig
index ceb3c770786f..8e9389d6c8ef 100644
--- a/arch/powerpc/configs/g5_defconfig
+++ b/arch/powerpc/configs/g5_defconfig
@@ -244,7 +244,6 @@ CONFIG_CRC_T10DIF=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_MUTEXES=y
-CONFIG_LATENCYTOP=y
 CONFIG_BOOTX_TEXT=y
 CONFIG_CRYPTO_TEST=m
 CONFIG_CRYPTO_PCBC=m
diff --git a/arch/powerpc/configs/gamecube_defconfig b/arch/powerpc/configs/gamecube_defconfig
index 805b0f87653c..bfffdc4f1b73 100644
--- a/arch/powerpc/configs/gamecube_defconfig
+++ b/arch/powerpc/configs/gamecube_defconfig
@@ -91,7 +91,6 @@ CONFIG_CRC_CCITT=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_SPINLOCK=y
 CONFIG_DEBUG_MUTEXES=y
-CONFIG_LATENCYTOP=y
 CONFIG_SCHED_TRACER=y
 CONFIG_DMA_API_DEBUG=y
 CONFIG_PPC_EARLY_DEBUG=y
diff --git a/arch/powerpc/configs/maple_defconfig b/arch/powerpc/configs/maple_defconfig
index c5f2005005d3..1c436fafb397 100644
--- a/arch/powerpc/configs/maple_defconfig
+++ b/arch/powerpc/configs/maple_defconfig
@@ -104,7 +104,6 @@ CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_STACK_USAGE=y
 CONFIG_DEBUG_STACKOVERFLOW=y
-CONFIG_LATENCYTOP=y
 CONFIG_XMON=y
 CONFIG_XMON_DEFAULT=y
 CONFIG_BOOTX_TEXT=y
diff --git a/arch/powerpc/configs/pmac32_defconfig b/arch/powerpc/configs/pmac32_defconfig
index 50b610b48914..8d632ceaea48 100644
--- a/arch/powerpc/configs/pmac32_defconfig
+++ b/arch/powerpc/configs/pmac32_defconfig
@@ -293,7 +293,6 @@ CONFIG_CRC_T10DIF=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DETECT_HUNG_TASK=y
-CONFIG_LATENCYTOP=y
 CONFIG_XMON=y
 CONFIG_XMON_DEFAULT=y
 CONFIG_BOOTX_TEXT=y
diff --git a/arch/powerpc/configs/powernv_defconfig b/arch/powerpc/configs/powernv_defconfig
index ef2ef98d3f28..1cf8ce18b4ca 100644
--- a/arch/powerpc/configs/powernv_defconfig
+++ b/arch/powerpc/configs/powernv_defconfig
@@ -317,7 +317,6 @@ CONFIG_DEBUG_STACK_USAGE=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_SOFTLOCKUP_DETECTOR=y
 CONFIG_HARDLOCKUP_DETECTOR=y
-CONFIG_LATENCYTOP=y
 CONFIG_FUNCTION_TRACER=y
 CONFIG_SCHED_TRACER=y
 CONFIG_FTRACE_SYSCALLS=y
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 91fdb619b484..96d695ffe074 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -367,7 +367,6 @@ CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_SOFTLOCKUP_DETECTOR=y
 CONFIG_HARDLOCKUP_DETECTOR=y
 CONFIG_DEBUG_MUTEXES=y
-CONFIG_LATENCYTOP=y
 CONFIG_FUNCTION_TRACER=y
 CONFIG_SCHED_TRACER=y
 CONFIG_BLK_DEV_IO_TRACE=y
diff --git a/arch/powerpc/configs/ppc64e_defconfig b/arch/powerpc/configs/ppc64e_defconfig
index 41d85cb3c9a2..7e52d4658867 100644
--- a/arch/powerpc/configs/ppc64e_defconfig
+++ b/arch/powerpc/configs/ppc64e_defconfig
@@ -223,7 +223,6 @@ CONFIG_DEBUG_STACK_USAGE=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_DETECT_HUNG_TASK=y
 CONFIG_DEBUG_MUTEXES=y
-CONFIG_LATENCYTOP=y
 CONFIG_IRQSOFF_TRACER=y
 CONFIG_SCHED_TRACER=y
 CONFIG_BLK_DEV_IO_TRACE=y
diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig
index 7c6baf6df139..7bcdb4d1411c 100644
--- a/arch/powerpc/configs/ppc6xx_defconfig
+++ b/arch/powerpc/configs/ppc6xx_defconfig
@@ -1148,7 +1148,6 @@ CONFIG_FAIL_MAKE_REQUEST=y
 CONFIG_FAIL_IO_TIMEOUT=y
 CONFIG_FAULT_INJECTION_DEBUG_FS=y
 CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
-CONFIG_LATENCYTOP=y
 CONFIG_SCHED_TRACER=y
 CONFIG_STACK_TRACER=y
 CONFIG_BLK_DEV_IO_TRACE=y
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 62e12f61a3b2..c8f5f281e367 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -290,7 +290,6 @@ CONFIG_DEBUG_STACK_USAGE=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_SOFTLOCKUP_DETECTOR=y
 CONFIG_HARDLOCKUP_DETECTOR=y
-CONFIG_LATENCYTOP=y
 CONFIG_FUNCTION_TRACER=y
 CONFIG_SCHED_TRACER=y
 CONFIG_BLK_DEV_IO_TRACE=y
diff --git a/arch/powerpc/configs/wii_defconfig b/arch/powerpc/configs/wii_defconfig
index f5c366b02828..d60c04a4708a 100644
--- a/arch/powerpc/configs/wii_defconfig
+++ b/arch/powerpc/configs/wii_defconfig
@@ -123,7 +123,6 @@ CONFIG_PRINTK_TIME=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_SPINLOCK=y
 CONFIG_DEBUG_MUTEXES=y
-CONFIG_LATENCYTOP=y
 CONFIG_SCHED_TRACER=y
 CONFIG_BLK_DEV_IO_TRACE=y
 CONFIG_DMA_API_DEBUG=y
-- 
2.21.0

Re: [PATCH] powerpc/configs: Disable latencytop

From: Michael Ellerman <hidden>
Date: 2019-07-08 01:42:00 

On Tue, 2019-06-04 at 05:42:57 UTC, Anton Blanchard wrote:
latencytop adds almost 4kB to each and every task struct and as such
it doesn't deserve to be in our defconfigs.

Signed-off-by: Anton Blanchard <redacted>
Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/7505a13f85bdcb8713551a067dfc92ac3c7ba902

cheers
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