[PATCH 2/4] powerpc: Disable IRQs off tracer in ppc64 defconfig
From: Anton Blanchard <hidden>
Date: 2011-07-06 23:13:15
The IRQs off tracer enables mcount which has a big impact on performance. Disable it. Signed-off-by: Anton Blanchard <redacted> --- Index: linux-powerpc/arch/powerpc/configs/ppc64_defconfig ===================================================================
--- linux-powerpc.orig/arch/powerpc/configs/ppc64_defconfig 2011-07-07 09:07:26.482898262 +1000
+++ linux-powerpc/arch/powerpc/configs/ppc64_defconfig 2011-07-07 09:07:29.932959288 +1000@@ -446,7 +446,6 @@ CONFIG_DEBUG_MUTEXES=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_BLK_DEV_IO_TRACE=y CONFIG_DEBUG_STACKOVERFLOW=y