From: Jens Axboe <jens.axboe@oracle.com>
To: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>,
Tom Zanussi <tzanussi@gmail.com>,
Steven Rostedt <srostedt@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Greg Kroah-Hartman <gregkh@suse.de>
Subject: Re: [PATCH 00/12] perf lock: New subcommand "perf lock", for analyzing lock statistics
Date: Fri, 29 Jan 2010 15:34:03 +0100 [thread overview]
Message-ID: <20100129143403.GJ13771@kernel.dk> (raw)
In-Reply-To: <1264167553-6510-1-git-send-email-mitake@dcl.info.waseda.ac.jp>
On Fri, Jan 22 2010, Hitoshi Mitake wrote:
> Adding new subcommand "perf lock" to perf.
>
> I made this patch series on
> latest perf/core of tip (ef12a141306c90336a3a10d40213ecd98624d274),
> so please apply this series to perf/core.
[snip]
I wanted to give this a go today, since I think it's pretty nifty and a
lot better than using /proc/lock_stat. But it basically spirals the
system into death [1]. How big a system did you test this on?
[1] Got this: [ 117.097918] hrtimer: interrupt took 35093901 ns
--
Jens Axboe
next prev parent reply other threads:[~2010-01-29 14:34 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-22 13:39 [PATCH 00/12] perf lock: New subcommand "perf lock", for analyzing lock statistics Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 01/12] perf tools: Add __data_loc support Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 02/12] perf: Add util/include/linuxhash.h to include hash.h of kernel Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 03/12] lockdep: Add information of file and line where lock inited to struct lockdep_map Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 04/12] lockdep: Add file and line to initialize sequence of spinlock Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 05/12] lockdep: Add file and line to initialize sequence of rwlock Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 06/12] lockdep: Add file and line to initialize sequence of rwsem Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 07/12] lockdep: Add file and line to initialize sequence of rwsem (x86) Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 08/12] lockdep: Add file and line to initialize sequence of mutex Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 09/12] lockdep: Fix the way to initialize class_mutex for information of file and line Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 10/12] perf lock: Enhance information of lock trace events Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 11/12] perf lock: New subcommand "perf lock", for analyzing lock statistics Hitoshi Mitake
2010-01-28 6:51 ` Hitoshi Mitake
2010-01-28 14:28 ` [PATCH] perf: Add util/include/linux/config.h for including generated autoconf.h of kernel Hitoshi Mitake
2010-01-28 14:44 ` Peter Zijlstra
2010-01-30 11:44 ` Hitoshi Mitake
2010-01-28 22:27 ` Paul Mackerras
2010-01-30 11:51 ` Hitoshi Mitake
2010-01-22 13:39 ` [PATCH 12/12] Revert "perf record: Intercept all events" Hitoshi Mitake
2010-01-25 2:23 ` Arnaldo Carvalho de Melo
2010-01-25 14:47 ` Hitoshi Mitake
2010-01-25 14:50 ` Peter Zijlstra
2010-01-25 14:57 ` Arnaldo Carvalho de Melo
2010-01-26 7:17 ` Hitoshi Mitake
2010-01-22 16:42 ` [PATCH 00/12] perf lock: New subcommand "perf lock", for analyzing lock statistics Jason Baron
2010-01-22 16:48 ` Peter Zijlstra
2010-01-22 16:52 ` Peter Zijlstra
2010-01-23 6:57 ` Ingo Molnar
2010-01-25 14:15 ` Hitoshi Mitake
2010-01-25 14:48 ` Peter Zijlstra
2010-01-26 7:04 ` Hitoshi Mitake
2010-01-26 4:26 ` Greg KH
2010-01-29 14:34 ` Jens Axboe [this message]
2010-01-30 12:00 ` Hitoshi Mitake
2010-01-31 20:44 ` Jens Axboe
2010-01-31 21:07 ` Frederic Weisbecker
2010-01-31 21:11 ` Jens Axboe
2010-02-01 9:15 ` Peter Zijlstra
2010-02-01 9:22 ` Ingo Molnar
2010-02-01 17:58 ` Frederic Weisbecker
2010-02-01 13:23 ` Jens Axboe
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