[PATCH] powerpc/configs: Enable function trace by default

[Christophe LEROY]

Hi Baldir

Le 13/04/2017 à 09:03, Balbir Singh a écrit :
> We expect to have these configs on by default, most
> distros turn them off, its always good to have them on
> so that we can use them and hopefully not break them

Isn't it the purpose of the target allyesconfig to allow such tests ?

FTRACE is quite CPU consumming, shouldn't it really be on by default ?

Christophe

>
> Signed-off-by: Balbir Singh <bsingharora at gmail.com>
> ---
>  arch/powerpc/configs/powernv_defconfig | 4 ++++
>  arch/powerpc/configs/ppc64_defconfig   | 3 +++
>  arch/powerpc/configs/pseries_defconfig | 3 +++
>  3 files changed, 10 insertions(+)
>
> diff --git a/arch/powerpc/configs/powernv_defconfig b/arch/powerpc/configs/powernv_defconfig
> index 0695ce0..eff3968 100644
> --- a/arch/powerpc/configs/powernv_defconfig
> +++ b/arch/powerpc/configs/powernv_defconfig
> @@ -295,7 +295,11 @@ CONFIG_DEBUG_STACK_USAGE=y
>  CONFIG_DEBUG_STACKOVERFLOW=y
>  CONFIG_LOCKUP_DETECTOR=y
>  CONFIG_LATENCYTOP=y
> +CONFIG_FTRACE=y
> +CONFIG_FUNCTION_TRACER=y
> +CONFIG_FUNCTION_GRAPH_TRACER=y
>  CONFIG_SCHED_TRACER=y
> +CONFIG_FTRACE_SYSCALLS=y
>  CONFIG_BLK_DEV_IO_TRACE=y
>  CONFIG_UPROBE_EVENT=y
>  CONFIG_CODE_PATCHING_SELFTEST=y
> diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
> index e353168f9..17c6c12 100644
> --- a/arch/powerpc/configs/ppc64_defconfig
> +++ b/arch/powerpc/configs/ppc64_defconfig
> @@ -328,6 +328,9 @@ CONFIG_DEBUG_STACKOVERFLOW=y
>  CONFIG_LOCKUP_DETECTOR=y
>  CONFIG_DEBUG_MUTEXES=y
>  CONFIG_LATENCYTOP=y
> +CONFIG_FTRACE=y
> +CONFIG_FUNCTION_TRACER=y
> +CONFIG_FUNCTION_GRAPH_TRACER=y
>  CONFIG_SCHED_TRACER=y
>  CONFIG_BLK_DEV_IO_TRACE=y
>  CONFIG_UPROBE_EVENT=y
> diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
> index 1a61aa2..a445960 100644
> --- a/arch/powerpc/configs/pseries_defconfig
> +++ b/arch/powerpc/configs/pseries_defconfig
> @@ -293,6 +293,9 @@ CONFIG_DEBUG_STACK_USAGE=y
>  CONFIG_DEBUG_STACKOVERFLOW=y
>  CONFIG_LOCKUP_DETECTOR=y
>  CONFIG_LATENCYTOP=y
> +CONFIG_FTRACE=y
> +CONFIG_FUNCTION_TRACER=y
> +CONFIG_FUNCTION_GRAPH_TRACER=y
>  CONFIG_SCHED_TRACER=y
>  CONFIG_BLK_DEV_IO_TRACE=y
>  CONFIG_UPROBE_EVENT=y
>