From: poison <rc.poison@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>
Subject: linux-2.6.23 - acting funny
Date: Thu, 11 Oct 2007 04:30:24 +0200 [thread overview]
Message-ID: <200710110430.25612.rc.poison@gmail.com> (raw)
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Hi :)
I have two harddisks with encfs on top of reiserfs between which I could copy
data at ~22MB/s before the upgrade from 2.6.22 to 2.6.23.
After the upgrade the transfer rate stuck at ~14MB/s and changing nice values
did not help anything.
And now the funny part:
I noticed the transfer rate go up to ~20MB/s when I startet compiling stuff.
I just need to run a CPU hog like:
while true; do echo test > /dev/null; done
and the transfer rate jumps from ~14MB/s to ~20MB/s.
top shows the two encfs processes with ~30%(read) and 50%(write) CPU usage no
matter if I run the CPU hog or not.
Could this eventually be due to the new scheduler? Do I need to tune anything?
System: E6600, 4GB RAM, Slackware 12, config attached.
Do you need anything else?
PS: please CC me, I'm not subscribed
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next reply other threads:[~2007-10-11 2:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-11 2:30 poison [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-10-11 12:09 linux-2.6.23 - acting funny Helmut Toplizer
2007-10-11 22:53 ` poison
2007-10-12 6:05 ` Ingo Molnar
2007-10-14 20:55 ` poison
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