From: Narayan Desai <desai@mcs.anl.gov>
To: Patrick Mochel <mochel@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: pmdisk performance problem
Date: Thu, 09 Oct 2003 19:29:52 -0500 [thread overview]
Message-ID: <877k3e9bpb.fsf@mcs.anl.gov> (raw)
In-Reply-To: <Pine.LNX.4.44.0310091235340.985-100000@localhost.localdomain> (Patrick Mochel's message of "Thu, 9 Oct 2003 12:36:10 -0700 (PDT)")
>>>>> "Pat" == Patrick Mochel <mochel@osdl.org> writes:
Pat> Do you know if this was just for the write operation, or also
Pat> included stopping all processes?
>>
>> This was during the write of ~4600 pages to disk.
Pat> Hm, that's definitely bad.
Pat> Could you increase the log-level before you suspend and let me
Pat> know -- by looking at the debug messages -- what seems to take
Pat> the most time?
>>
>> sorry, but how do i do this?
the particular line that takes the most time is the writing 4700 pages
to disk followed by the dots. each dot takes about 10 seconds to
appear on screen.
I also notice that both hda and hdc are both suspended and resumed
before this point. Is this intentional?
-nld
next prev parent reply other threads:[~2003-10-10 0:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-09 19:11 pmdisk performance problem Narayan Desai
2003-10-09 19:21 ` Patrick Mochel
2003-10-09 19:39 ` Narayan Desai
2003-10-09 19:36 ` Patrick Mochel
2003-10-10 0:29 ` Narayan Desai [this message]
2003-10-09 19:39 ` Nigel Cunningham
2003-10-11 11:53 ` Pavel Machek
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