From: Pekka Enberg <penberg@kernel.org>
To: Anton Blanchard <anton@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
emunson@mgebm.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf symbols: Synthesize anonymous mmap events
Date: Tue, 30 Aug 2011 22:11:02 +0300 [thread overview]
Message-ID: <1314731462.9659.3.camel@jaguar> (raw)
In-Reply-To: <20110830091506.60b51fe8@kryten>
On Tue, 2011-08-30 at 09:15 +1000, Anton Blanchard wrote:
> perf_event__synthesize_mmap_events does not create anonymous mmap
> events even though the kernel does. As a result an already running
> application with dynamically created code will not get profiled -
> all samples end up in the unknown bucket.
>
> This patch skips any entries with '[' in the name to avoid adding
> events for special regions (eg the vsyscall page). All other
> executable mmaps are assumed to be anonymous and an event is
> synthesized.
>
> Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
prev parent reply other threads:[~2011-08-30 19:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-29 23:15 Anton Blanchard
2011-08-30 19:11 ` Pekka Enberg [this message]
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