From: Ingo Molnar <mingo@elte.hu>
To: Li Zefan <lizf@cn.fujitsu.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>,
Peter Zijlstra <peterz@infradead.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH 0/5] perf kmem: Add more functions and show more statistics
Date: Tue, 24 Nov 2009 23:34:43 +0100 [thread overview]
Message-ID: <20091124223443.GA7189@elte.hu> (raw)
In-Reply-To: <20091124203559.GA450@elte.hu>
* Ingo Molnar <mingo@elte.hu> wrote:
>
> * Li Zefan <lizf@cn.fujitsu.com> wrote:
>
> > So I think some new updates on kernel perf_event break.
>
> yeah, you were right. This commit in latest -tip should fix it:
>
> fe61267: perf_events: Fix bad software/trace event recursion counting
i tested perf kmem and it works fine now:
aldebaran:~> perf kmem
SUMMARY
=======
Total bytes requested: 153166032
Total bytes allocated: 188544080
Total bytes wasted on internal fragmentation: 35378048
Internal fragmentation: 18.763807%
Cross CPU allocations: 61680/451425
Ingo
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next prev parent reply other threads:[~2009-11-24 22:35 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-24 5:25 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 [this message]
2009-11-24 18:49 ` Frederic Weisbecker
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