From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Adrian Hunter <adrian.hunter@intel.com>,
linux-kernel@vger.kernel.org, "Kleen,
Andi" <andi.kleen@intel.com>,
"Shishkin, Alexander" <alexander.shishkin@intel.com>
Subject: Re: PERF_EVENT_IOC_SET_OUTPUT
Date: Thu, 3 Oct 2013 08:43:51 +0200 [thread overview]
Message-ID: <20131003064351.GG25345@gmail.com> (raw)
In-Reply-To: <20131002124023.GC28601@twins.programming.kicks-ass.net>
* Peter Zijlstra <peterz@infradead.org> wrote:
> On Wed, Oct 02, 2013 at 02:29:01PM +0200, Ingo Molnar wrote:
> >
> > Btw., this does not seem to be working very well when the perf context is
> > inherited:
>
> https://lkml.org/lkml/2011/7/21/124
>
> Never figured that one out :-(
Hm, maybe the various fixes over the past 2.5 years would make it work
today?
If you find time to send an updated version that boots then I can try to
trace it to figure out where it fails, if it still fails.
Thanks,
Ingo
next prev parent reply other threads:[~2013-10-03 6:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-01 19:11 PERF_EVENT_IOC_SET_OUTPUT Adrian Hunter
2013-10-02 10:03 ` PERF_EVENT_IOC_SET_OUTPUT Peter Zijlstra
2013-10-02 10:29 ` PERF_EVENT_IOC_SET_OUTPUT Frederic Weisbecker
2013-10-02 11:27 ` PERF_EVENT_IOC_SET_OUTPUT Peter Zijlstra
2013-10-02 11:43 ` PERF_EVENT_IOC_SET_OUTPUT Frederic Weisbecker
2013-10-02 12:29 ` PERF_EVENT_IOC_SET_OUTPUT Ingo Molnar
2013-10-02 12:40 ` PERF_EVENT_IOC_SET_OUTPUT Peter Zijlstra
2013-10-03 6:43 ` Ingo Molnar [this message]
2013-10-07 16:42 ` PERF_EVENT_IOC_SET_OUTPUT Peter Zijlstra
2013-10-29 14:08 ` [tip:perf/core] perf: Fix the perf context switch optimization tip-bot for Peter Zijlstra
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