From: Ingo Molnar <mingo@kernel.org>
To: eranian@gmail.com
Cc: Ramkumar Ramachandra <artagnon@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Andi Kleen <andi@firstfloor.org>
Subject: Re: PEBS bug on HSW: "Unexpected number of pebs records 10" (was: Re: [GIT PULL] perf changes for v3.12)
Date: Tue, 10 Sep 2013 15:22:15 +0200 [thread overview]
Message-ID: <20130910132215.GA7537@gmail.com> (raw)
In-Reply-To: <CAMsRxfLn7D-ON=gfrxttA5okPg=pyB_a-hHMBPVwGgO1_yHXYQ@mail.gmail.com>
* Stephane Eranian <eranian@googlemail.com> wrote:
> On Tue, Sep 10, 2013 at 5:51 AM, Ramkumar Ramachandra
> <artagnon@gmail.com> wrote:
> > Stephane Eranian wrote:
> >> a simple multithreaded program where
> >> #threads >> #CPUs
> >
> > To put it another way, does Intel's HT work for CPU intensive and IO
> > minimal tasks? I think HT assumes some amount of inefficient IO
> > coupled with pure CPU usage.
>
> But your remark has nothing to do with the PMU issue.
To quote Al Viro:
"One name: Mark V. Shaney..."
Update your email filters if it gets annoying.
Thanks,
Ingo
next prev parent reply other threads:[~2013-09-10 13:22 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-03 13:29 [GIT PULL] perf changes for v3.12 Ingo Molnar
2013-09-03 13:37 ` Arnaldo Carvalho de Melo
2013-09-03 13:43 ` Ingo Molnar
2013-09-03 17:02 ` Vince Weaver
2013-09-04 17:53 ` Linus Torvalds
2013-09-05 10:56 ` Ingo Molnar
2013-09-05 12:42 ` Frederic Weisbecker
2013-09-05 12:51 ` Ingo Molnar
2013-09-05 12:58 ` Frederic Weisbecker
2013-09-10 8:06 ` Namhyung Kim
2013-09-10 11:18 ` Frederic Weisbecker
2013-09-05 13:38 ` Ingo Molnar
2013-09-08 2:17 ` Linus Torvalds
2013-09-09 10:05 ` Peter Zijlstra
2013-09-10 11:28 ` Stephane Eranian
2013-09-10 11:53 ` PEBS bug on HSW: "Unexpected number of pebs records 10" (was: Re: [GIT PULL] perf changes for v3.12) Ingo Molnar
2013-09-10 12:32 ` Stephane Eranian
2013-09-10 12:42 ` Ramkumar Ramachandra
2013-09-10 12:51 ` Ramkumar Ramachandra
2013-09-10 12:55 ` Stephane Eranian
2013-09-10 13:22 ` Ingo Molnar [this message]
2013-09-10 13:38 ` Ingo Molnar
2013-09-10 14:15 ` Stephane Eranian
2013-09-10 14:29 ` Ingo Molnar
2013-09-10 14:34 ` Stephane Eranian
2013-09-10 17:14 ` Ingo Molnar
2013-09-16 11:07 ` Stephane Eranian
2013-09-16 15:41 ` Ingo Molnar
2013-09-16 16:29 ` Peter Zijlstra
2013-09-17 7:00 ` Ingo Molnar
2013-09-23 15:25 ` Stephane Eranian
2013-09-23 15:33 ` Peter Zijlstra
2013-09-23 17:11 ` Stephane Eranian
2013-09-23 17:24 ` Peter Zijlstra
2013-09-10 15:28 ` Peter Zijlstra
2013-09-10 16:14 ` Stephane Eranian
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