powerpc: Disable mcount tracers in pseries defconfig
authorAnton Blanchard <anton@samba.org>
Wed, 12 Jan 2011 02:12:43 +0000 (02:12 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 21 Jan 2011 03:08:39 +0000 (14:08 +1100)
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>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/configs/pseries_defconfig

index f87f0e1..e30286c 100644 (file)
@@ -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