From: Andrew Morton <akpm@osdl.org>
To: "Matthew Kirk" <mkirk01@rcn.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: fsync occasionally very slow
Date: Fri, 26 Jan 2007 03:16:54 -0800 [thread overview]
Message-ID: <20070126031654.a41fe374.akpm@osdl.org> (raw)
In-Reply-To: <001a01c74136$0028ecf0$6600a8c0@charm>
On Fri, 26 Jan 2007 05:37:38 -0500
"Matthew Kirk" <mkirk01@rcn.com> wrote:
> I am working on an application that fsync(2) files and directories as
> needed. I’m seeing intermittent stalls on fsync that can last many
> seconds.
Please generate an all-task backtrace during the stall via:
dmesg -n 8
<wait for a stall>
echo t > /prov/sysrq-trigger
dmesg -s 1000000 > foo
and send foo.
next prev parent reply other threads:[~2007-01-26 11:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-26 10:37 fsync occasionally very slow Matthew Kirk
2007-01-26 11:16 ` Andrew Morton [this message]
2007-01-26 19:33 ` Matthew Kirk
2007-01-26 19:48 ` Andrew Morton
2007-01-31 13:18 ` Matthew Kirk
2007-01-29 22:02 ` Matthew Kirk
2007-01-29 23:22 ` Andrew Morton
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