From: Ingo Molnar <mingo@elte.hu>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Mike Galbraith <efault@gmx.de>,
linux-kernel@vger.kernel.org,
stephane eranian <eranian@googlemail.com>
Subject: Re: [PATCH 4/4][RFC] perf_counter: Allow sharing of output channels
Date: Wed, 19 Aug 2009 15:00:55 +0200 [thread overview]
Message-ID: <20090819130055.GA14215@elte.hu> (raw)
In-Reply-To: <1250686586.8282.12.camel@twins>
* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> > Does this only apply to sampling counters?
>
> Yeah, everything that would otherwise go through the mmap()
> buffer.
Note that this can include sample-driven normal counts as well,
i.e. PERF_SAMPLE_READ and perf record -s/--stat.
Ingo
next prev parent reply other threads:[~2009-08-19 13:01 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-19 9:18 [PATCH 0/4] perf counter bits Peter Zijlstra
2009-08-19 9:18 ` [PATCH 1/4] perf_counter: Default to higher paranoia level Peter Zijlstra
2009-08-19 14:07 ` Peter Zijlstra
2009-08-19 16:04 ` Frederic Weisbecker
2009-08-20 12:00 ` Peter Zijlstra
2009-08-21 14:21 ` Ingo Molnar
2009-08-24 7:29 ` Peter Zijlstra
2009-08-24 7:37 ` Ingo Molnar
2009-08-19 9:18 ` [PATCH 2/4] perf_counter: powerpc: Support the anonymized kernel callchain bits Peter Zijlstra
2009-08-19 13:30 ` [tip:perfcounters/core] perf_counter: powerpc: Support the anonimized " tip-bot for Peter Zijlstra
2009-08-19 9:18 ` [PATCH 3/4] perf tools: Check perf.data owner Peter Zijlstra
2009-08-19 13:32 ` [tip:perfcounters/core] " tip-bot for Peter Zijlstra
2009-08-19 9:18 ` [PATCH 4/4][RFC] perf_counter: Allow sharing of output channels Peter Zijlstra
2009-08-19 10:58 ` Ingo Molnar
2009-08-19 11:07 ` Peter Zijlstra
2009-08-19 12:41 ` Paul Mackerras
2009-08-19 12:36 ` Paul Mackerras
2009-08-19 12:56 ` Ingo Molnar
2009-08-19 12:56 ` Peter Zijlstra
2009-08-19 13:00 ` Ingo Molnar [this message]
2009-08-20 10:13 ` stephane eranian
2009-08-20 10:24 ` Peter Zijlstra
2009-08-20 10:28 ` Ingo Molnar
2009-08-19 16:19 ` Frederic Weisbecker
2009-08-19 16:24 ` Peter Zijlstra
2009-08-19 16:27 ` Frederic Weisbecker
2009-08-25 7:39 ` [tip:perfcounters/core] " tip-bot for Peter Zijlstra
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