From: Arun Sharma <asharma@fb.com>
To: Andrew Vagin <avagin@openvz.org>
Cc: linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Subject: Re: [PATCH 1/4] perf: fix counter of ftrace events
Date: Fri, 14 Oct 2011 12:11:16 -0700 [thread overview]
Message-ID: <20111014191116.GA23666@dev1756.snc6.facebook.com> (raw)
In-Reply-To: <1317052535-1765247-2-git-send-email-avagin@openvz.org>
On Mon, Sep 26, 2011 at 07:55:32PM +0400, Andrew Vagin wrote:
> Each event adds some points to its counters. By default it adds 1,
> and a number of points may be transmited in event's parameters.
>
> E.g. sched:sched_stat_runtime adds how long process has been running.
>
> But this functionality was broken by v2.6.31-rc5-392-gf413cdb
> and now the event's parameters doesn't affect on a number of points.
>
> TP_perf_assign isn't defined, so __perf_count(c) isn't executed and
> __count is always equal to 1.
>
> Signed-off-by: Andrew Vagin <avagin@openvz.org>
Acked-by: Arun Sharma <asharma@fb.com>
-Arun
next prev parent reply other threads:[~2011-10-14 19:31 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-26 15:55 [PATCH 0/4] trace: add ability to collect call chains of non-current task Andrew Vagin
2011-09-26 15:55 ` [PATCH 1/4] perf: fix counter of ftrace events Andrew Vagin
2011-10-14 19:11 ` Arun Sharma [this message]
2011-09-26 15:55 ` [PATCH 2/4] trace: prepare to collect call chains of non-current task Andrew Vagin
2011-09-27 14:02 ` Peter Zijlstra
2011-10-14 19:12 ` Arun Sharma
2011-09-26 15:55 ` [PATCH 3/4] trace: add ability to collect call chain " Andrew Vagin
2011-09-27 14:05 ` Peter Zijlstra
2011-09-27 20:55 ` Frederic Weisbecker
2011-09-28 13:53 ` Andrew Vagin
2011-12-08 2:02 ` Arun Sharma
2011-12-09 11:07 ` Andrey Vagin
2011-12-14 20:14 ` Arun Sharma
2011-12-15 15:19 ` Andrew Vagin
2011-12-15 19:08 ` Arun Sharma
2011-12-16 0:15 ` Arun Sharma
2011-09-26 15:55 ` [PATCH 4/4] events: sched_stat_template saves call chains of a target task Andrew Vagin
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