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From: Arnaldo Carvalho de Melo <acme@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
	mingo@elte.hu, paulus@samba.org, davem@davemloft.net,
	fweisbec@gmail.com, perfmon2-devel@lists.sf.net,
	eranian@gmail.com
Subject: Re: [PATCH] perf: avoid synthesizing mmap() for all processes in per-thread mode perf record
Date: Wed, 16 Jun 2010 17:50:56 -0300	[thread overview]
Message-ID: <20100616205056.GB30679@ghostprotocols.net> (raw)
In-Reply-To: <4c192107.4f1ee30a.4316.fffff98e@mx.google.com>

Em Wed, Jun 16, 2010 at 08:59:01PM +0200, Stephane Eranian escreveu:
> A bug was introduced by commit c45c6ea2e5c57960dc67e00294c2b78e9540c007.
> 
> Perf record was scanning /proc/PID to create synthetic PERF_RECOR_MMAP
> entries even though it was running in per-thread mode. There was a bogus
> check to select what mmaps to synthesize. We only need all processes in
> system-wide mode.
> 
> Signed-off-by: Stephane Eranian <eranian@google.com>

Thanks, appling to perf/urgent

- Arnaldo

      reply	other threads:[~2010-06-16 20:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-16 18:59 [PATCH] perf: avoid synthesizing mmap() for all processes in per-thread mode perf record Stephane Eranian
2010-06-16 20:50 ` Arnaldo Carvalho de Melo [this message]

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