On Fri, Oct 04, 2013 at 09:31:22PM +0300, Adrian Hunter wrote: > On 4/10/2013 8:31 p.m., tip-bot for Peter Zijlstra wrote: > >Commit-ID: d8b11a0cbd1c66ce283eb9dabe0498dfa6483f32 > >Gitweb: > >http://git.kernel.org/tip/d8b11a0cbd1c66ce283eb9dabe0498dfa6483f32 > >Author: Peter Zijlstra <pet...@infradead.org> > >AuthorDate: Thu, 3 Oct 2013 16:00:14 +0200 > >Committer: Ingo Molnar <mi...@kernel.org> > >CommitDate: Fri, 4 Oct 2013 09:58:55 +0200 > > > >perf/x86: Clean up cap_user_time* setting > > > >Currently the cap_user_time_zero capability has different tests than > >cap_user_time; even though they expose the exact same data. > > > >Switch from CONSTANT && NONSTOP to sched_clock_stable to also deal > >with multi cabinet machines and drop the tsc_disabled() check.. non of > >this will work sanely without tsc anyway. > > Unfortunately in the case that TSC is disabled, sched_clock is still > reported as stable, which means removing the tsc_disabled() check breaks > the capability bit. e.g.
I'm wanting to hear from the x86 people on why we have this absurd knob to begin with; but I'm tempted to simply disable all of perf if you touch it. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
