From: Peter Zijlstra <peterz@infradead.org>
To: Arun Sharma <aruns@google.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, paulus@samba.org,
davem@davemloft.net, fweisbec@gmail.com
Subject: Re: [PATCH] perf: implement recording/reporting per-cpu samples
Date: Mon, 03 May 2010 22:42:36 +0200 [thread overview]
Message-ID: <1272919356.1642.154.camel@laptop> (raw)
In-Reply-To: <20100503203813.GA17886@sharma-home.net>
On Mon, 2010-05-03 at 13:38 -0700, Arun Sharma wrote:
> Enable PERF_SAMPLE_CPU by default. Implement --sort cpu.
Why? The downside is that you unconditionally grow each sample and thus
increase the overhead for something that doesn't make sense for the
normal (task-inherit) case.
next prev parent reply other threads:[~2010-05-03 20:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-03 20:38 [PATCH] perf: implement recording/reporting per-cpu samples Arun Sharma
2010-05-03 20:42 ` Peter Zijlstra [this message]
2010-05-03 20:53 ` Arun Sharma
2010-05-04 9:16 ` Peter Zijlstra
2010-05-05 18:16 ` Arun Sharma
2010-05-27 18:08 ` Peter Zijlstra
2010-05-27 18:28 ` Arnaldo Carvalho de Melo
2010-05-27 18:41 ` Arnaldo Carvalho de Melo
2010-05-27 20:54 ` Arun Sharma
2010-05-27 21:53 ` Arnaldo Carvalho de Melo
2010-05-27 23:16 ` Arnaldo Carvalho de Melo
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