The IRQs off tracer enables mcount which has a big impact on performance. Disable it.
Signed-off-by: Anton Blanchard <[email protected]> --- 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 _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
