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From: Ingo Molnar <mingo@kernel.org>
To: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: David Ahern <dsahern@gmail.com>,
	Namhyung Kim <namhyung@kernel.org>,
	linux-kernel@vger.kernel.org,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung.kim@lge.com>,
	Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH 2/3] perf stat: Don't require a workload when using system wide or CPU options
Date: Tue, 8 Oct 2013 21:24:48 +0200	[thread overview]
Message-ID: <20131008192448.GA5018@gmail.com> (raw)
In-Reply-To: <20131008132720.GD4018@ghostprotocols.net>


* Arnaldo Carvalho de Melo <acme@ghostprotocols.net> wrote:

> Em Tue, Oct 08, 2013 at 02:51:13PM +0200, Ingo Molnar escreveu:
> > Btw., would anyone be interested in adding CPU and node binding options to 
> > perf stat?
> > 
> > There's code to do something like that in tools/perf/bench/numa.c:
> > 
> >         /* Special option string parsing callbacks: */
> >         OPT_CALLBACK('C', "cpus", NULL, "cpu[,cpu2,...cpuN]",
> >                         "bind the first N tasks to these specific cpus (the rest is unbound)",
> >                         parse_cpus_opt),
> >         OPT_CALLBACK('M', "memnodes", NULL, "node[,node2,...nodeN]",
> >                         "bind the first N tasks to these specific memory nodes (the rest is unbound)",
> >                         parse_nodes_opt),
> 
> As a convenience to using:
> 
> 	taskset -c cpu-list perf stat -C cpu-list workload
> 
> ?

Yeah, something like that would be handy I think.

	Ingo

  reply	other threads:[~2013-10-08 19:25 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-28 20:27 [PATCH 0/3] perf stat cleanups David Ahern
2013-09-28 20:27 ` [PATCH 1/3] perf stat: Fix misleading message when specifying cpu list or system wide David Ahern
2013-10-15  5:29   ` [tip:perf/core] " tip-bot for David Ahern
2013-09-28 20:27 ` [PATCH 2/3] perf stat: Don't require a workload when using system wide or CPU options David Ahern
2013-09-30  8:47   ` Namhyung Kim
2013-09-30 13:40     ` David Ahern
2013-10-08 12:39       ` Arnaldo Carvalho de Melo
2013-10-08 12:51         ` Ingo Molnar
2013-10-08 13:27           ` Arnaldo Carvalho de Melo
2013-10-08 19:24             ` Ingo Molnar [this message]
2013-10-08 13:25         ` David Ahern
2013-10-08 13:33           ` Arnaldo Carvalho de Melo
2013-10-08 13:42             ` David Ahern
2013-10-15  5:30       ` [tip:perf/core] perf stat: Don' t " tip-bot for David Ahern
2013-09-28 20:28 ` [PATCH 3/3] perf stat: Add units to nanosec-based counters David Ahern
2013-10-15  5:30   ` [tip:perf/core] " tip-bot for David Ahern
2013-10-08  1:44 ` [PATCH 0/3] perf stat cleanups David Ahern

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