From: Anton Blanchard <anton@samba.org>
To: benh@kernel.crashing.org
Cc: linuxppc-dev@ozlabs.org
Subject: [PATCH 1/2] powerpc: Disable mcount tracers in pseries config
Date: Wed, 12 Jan 2011 23:12:43 +1100 [thread overview]
Message-ID: <20110112231243.71c71291@kryten> (raw)
IRQSOFF_TRACER and STACK_TRACER force the kernel to be built with -pg
which is a substantial overhead.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
Index: powerpc.git/arch/powerpc/configs/pseries_defconfig
===================================================================
--- powerpc.git.orig/arch/powerpc/configs/pseries_defconfig 2011-01-11 14:34:38.890639046 +1100
+++ powerpc.git/arch/powerpc/configs/pseries_defconfig 2011-01-12 23:06:28.770355258 +1100
@@ -311,9 +311,7 @@ CONFIG_DEBUG_KERNEL=y
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_LATENCYTOP=y
CONFIG_SYSCTL_SYSCALL_CHECK=y
-CONFIG_IRQSOFF_TRACER=y
CONFIG_SCHED_TRACER=y
-CONFIG_STACK_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_STACK_USAGE=y
next reply other threads:[~2011-01-12 12:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-12 12:12 Anton Blanchard [this message]
2011-01-12 12:14 ` [PATCH 2/2] powerpc: Enable 64kB pages and 1024 threads in pseries config Anton Blanchard
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