From: Joel Becker <jlbec@evilplan.org>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH] ocfs2: Use hrtimer to track ocfs2 fs lock stats
Date: Sun, 20 Feb 2011 04:07:58 -0800 [thread overview]
Message-ID: <20110220120758.GH17784@noexit> (raw)
In-Reply-To: <1293607563-29283-1-git-send-email-sunil.mushran@oracle.com>
On Tue, Dec 28, 2010 at 11:26:03PM -0800, Sunil Mushran wrote:
> Patch makes use of the hrtimer to track times in ocfs2 lock stats.
>
> The patch is a bit involved to ensure no additional impact on the memory
> footprint. The size of ocfs2_inode_cache remains 1280 bytes on 32-bit systems.
>
> A related change was to modify the unit of the max wait time from nanosec to
> microsec allowing us to track max time larger than 4 secs. This change
> necessitated the bumping of the output version in the debugfs file,
> locking_state, from 2 to 3.
>
> Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
This patch is now in the merge-window branch of ocfs2.git.
Joel
--
Life's Little Instruction Book #198
"Feed a stranger's expired parking meter."
http://www.jlbec.org/
jlbec at evilplan.org
prev parent reply other threads:[~2011-02-20 12:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-29 7:26 [Ocfs2-devel] [PATCH] ocfs2: Use hrtimer to track ocfs2 fs lock stats Sunil Mushran
2011-02-20 12:07 ` Joel Becker [this message]
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