From: Bruce Guenter <bruce@untroubled.org>
To: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: Slow snapshot deletion
Date: Fri, 12 Aug 2011 12:21:44 -0600 [thread overview]
Message-ID: <20110812182144.GA10102@untroubled.org> (raw)
In-Reply-To: <20110812004036.GA3960@hostway.ca>
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On Thu, Aug 11, 2011 at 05:40:36PM -0700, Simon Kirby wrote:
> By chance, does "vmstat 1" or top show a high system cpu% while this is
> happening,
Absolutely, usually around 80-90%
> and if so, does cat /proc/<pid>/stack of the PIDs in R state
> sometimes show things under btrfs_run_delayed_refs like
> setup_cluster_no_bitmap() and rb_next()?
No, I am not seeing what you describe. The stack traces are usually
showing what I originally quoted. I don't know if I've seen
setup_cluster_no_bitmap or rb_* at all.
--
Bruce Guenter <bruce@untroubled.org> http://untroubled.org/
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next prev parent reply other threads:[~2011-08-12 18:21 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-28 20:04 Slow snapshot deletion Bruce Guenter
2011-07-28 20:28 ` Chris Mason
2011-07-28 20:51 ` Chris Mason
2011-08-04 16:35 ` Bruce Guenter
2011-08-11 15:04 ` Bruce Guenter
2011-08-12 0:40 ` Simon Kirby
2011-08-12 18:21 ` Bruce Guenter [this message]
2011-08-12 18:26 ` Simon Kirby
2011-08-01 22:26 ` Bruce Guenter
2011-08-01 22:41 ` cwillu
2011-08-01 22:59 ` Bruce Guenter
2011-08-02 0:29 ` Chris Mason
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