From: Jeff Moyer <jmoyer@redhat.com>
To: Jan Kara <jack@suse.cz>
Cc: "Alex\,Shi" <alex.shi@intel.com>,
Corrado Zoccolo <czoccolo@gmail.com>, "Li\,
Shaohua" <shaohua.li@intel.com>, Vivek Goyal <vgoyal@redhat.com>,
"tytso\@mit.edu" <tytso@mit.edu>,
"jaxboe\@fusionio.com" <jaxboe@fusionio.com>,
"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Chen\, Tim C" <tim.c.chen@intel.com>
Subject: Re: [performance bug] kernel building regression on 64 LCPUs machine
Date: Tue, 22 Mar 2011 13:46:06 -0400 [thread overview]
Message-ID: <x49r59zrqu9.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <20110322161405.GB19716@quack.suse.cz> (Jan Kara's message of "Tue, 22 Mar 2011 17:14:05 +0100")
Jan Kara <jack@suse.cz> writes:
> Jeff, I suppose the log files of fs_mark processes are on the same
> device as the test directory, aren't they - that might explain the
> flusher thread doing IO? The patch below
No. My test environments are sane. The file system is on a completely
separate disk and it is unmounted and remounted in between each run.
That should take care of any lost flushes.
Did you receive my last couple of private emails commenting on the trace
data?
Cheers,
Jeff
next prev parent reply other threads:[~2011-03-22 17:46 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-19 1:55 [performance bug] kernel building regression on 64 LCPUs machine Alex,Shi
2011-01-19 2:03 ` Shaohua Li
2011-01-19 12:56 ` Jan Kara
2011-01-20 7:52 ` Alex,Shi
2011-01-20 15:16 ` Vivek Goyal
2011-01-21 7:17 ` Shaohua Li
2011-01-26 8:15 ` Shaohua Li
2011-02-12 9:21 ` Alex,Shi
2011-02-12 18:25 ` Corrado Zoccolo
2011-02-14 2:25 ` Alex,Shi
2011-02-15 1:10 ` Shaohua Li
2011-02-21 16:49 ` Jan Kara
2011-02-23 8:24 ` Alex,Shi
2011-02-24 12:13 ` Jan Kara
2011-02-25 0:44 ` Alex Shi
2011-02-26 14:45 ` Corrado Zoccolo
2011-03-01 19:56 ` Jeff Moyer
2011-03-02 9:42 ` Jan Kara
2011-03-02 16:13 ` Jeff Moyer
2011-03-02 21:17 ` Jan Kara
2011-03-02 21:20 ` Jeff Moyer
2011-03-03 1:14 ` Jeff Moyer
2011-03-04 15:32 ` Jan Kara
2011-03-04 15:40 ` Jeff Moyer
2011-03-04 15:50 ` Jeff Moyer
2011-03-04 18:27 ` Jeff Moyer
2011-03-22 7:38 ` Alex,Shi
2011-03-22 16:14 ` Jan Kara
2011-03-22 17:46 ` Jeff Moyer [this message]
2011-03-24 6:45 ` Alex,Shi
2011-03-28 19:48 ` Jan Kara
2011-01-19 14:32 ` Ted Ts'o
2011-01-20 2:12 ` Shaohua Li
2011-01-21 7:23 ` Corrado Zoccolo
2011-01-21 7:47 ` Alex,Shi
2011-01-21 7:52 ` Alex,Shi
2011-01-21 8:13 ` Corrado Zoccolo
2011-01-21 8:20 ` Shaohua Li
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