Re: [PATCH v2] time: Remove CONFIG_TIMER_STATS

From: Dave Jones
Date: Wed Feb 08 2017 - 15:32:46 EST


On Wed, Feb 08, 2017 at 11:54:30AM -0800, Linus Torvalds wrote:
> On Wed, Feb 8, 2017 at 11:26 AM, Kees Cook <keescook@xxxxxxxxxxxx> wrote:
> >
> > Given that the tracer can give the same information, this patch entirely
> > removes CONFIG_TIMER_STATS.
> >
> > Suggested-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> > Acked-by: John Stultz <john.stultz@xxxxxxxxxx>
>
> Looks good to me. Let's wait for the 4.11 merge window though. I'm
> assuming I'll get this through the tip timer tree..

>From a quick look at the source, powertop uses this file, and appears to
handle it gracefully if it fails to open, but it will lose functionality
to determine if a timer is deferred.

Dave