From: Peter Zijlstra <peterz@infradead.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Paul Mackerras <paulus@samba.org>,
Arjan van de Ven <arjan@infradead.org>,
Li Zefan <lizf@cn.fujitsu.com>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH] perf: Fix bad software/trace event recursion counting
Date: Tue, 24 Nov 2009 21:48:50 +0100 [thread overview]
Message-ID: <1259095730.4531.1791.camel@laptop> (raw)
In-Reply-To: <1259091502-5171-1-git-send-email-fweisbec@gmail.com>
On Tue, 2009-11-24 at 20:38 +0100, Frederic Weisbecker wrote:
> diff --git a/kernel/perf_event.c b/kernel/perf_event.c
> index accfd7b..35df94e 100644
> --- a/kernel/perf_event.c
> +++ b/kernel/perf_event.c
> @@ -3914,7 +3914,7 @@ void perf_swevent_put_recursion_context(int rctx)
> {
> struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
> barrier();
> - cpuctx->recursion[rctx]++;
> + cpuctx->recursion[rctx]--;
> put_cpu_var(perf_cpu_context);
> }
D'0h!
prev parent reply other threads:[~2009-11-24 20:49 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-24 5:25 [PATCH 0/5] perf kmem: Add more functions and show more statistics Li Zefan
2009-11-24 5:25 ` [PATCH 1/5] perf kmem: Add new option to show raw ip Li Zefan
2009-11-24 16:54 ` [tip:perf/core] " tip-bot for Li Zefan
2009-11-24 5:26 ` [PATCH 2/5] perf kmem: Default to sort by fragmentation Li Zefan
2009-11-24 16:55 ` [tip:perf/core] " tip-bot for Li Zefan
2009-11-24 5:26 ` [PATCH 3/5] perf kmem: Collect cross node allocation statistics Li Zefan
2009-11-24 16:55 ` [tip:perf/core] " tip-bot for Li Zefan
2009-11-24 5:26 ` [PATCH 4/5] perf kmem: Measure kmalloc/kfree CPU ping-pong call-sites Li Zefan
2009-11-24 16:55 ` [tip:perf/core] " tip-bot for Li Zefan
2009-11-24 5:27 ` [PATCH 5/5] perf kmem: Add help file Li Zefan
2009-11-24 16:55 ` [tip:perf/core] " tip-bot for Li Zefan
2009-11-24 7:15 ` [PATCH 0/5] perf kmem: Add more functions and show more statistics Pekka Enberg
2009-11-24 7:34 ` Ingo Molnar
2009-11-24 7:45 ` Pekka Enberg
2009-11-24 7:47 ` Ingo Molnar
2009-11-24 8:04 ` Li Zefan
2009-11-24 8:34 ` Ingo Molnar
2009-11-24 14:57 ` Arjan van de Ven
2009-11-24 7:18 ` Pekka Enberg
2009-11-24 9:04 ` Ingo Molnar
2009-11-24 9:38 ` Li Zefan
2009-11-24 10:07 ` Ingo Molnar
2009-11-24 11:04 ` Li Zefan
2009-11-24 20:35 ` Ingo Molnar
2009-11-24 22:34 ` Ingo Molnar
2009-11-24 18:49 ` Frederic Weisbecker
2009-11-24 19:38 ` [PATCH] perf: Fix bad software/trace event recursion counting Frederic Weisbecker
2009-11-24 20:36 ` [tip:perf/core] perf_events: " tip-bot for Frederic Weisbecker
2009-11-24 20:48 ` Peter Zijlstra [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1259095730.4531.1791.camel@laptop \
--to=peterz@infradead.org \
--cc=acme@redhat.com \
--cc=arjan@infradead.org \
--cc=fweisbec@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lizf@cn.fujitsu.com \
--cc=mingo@elte.hu \
--cc=paulus@samba.org \
--cc=rostedt@goodmis.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox