Bug#461630: Adjust cpu_share for boinc user (for 2.6.24 cfs scheduler)
dAniel hAhler
debian-bugs at thequod.de
Sun Jan 20 01:20:02 UTC 2008
Package: boinc-client
Version: 5.10.30-2
Severity: important
Tags: patch
--- Please enter the report below this line. ---
The CFS in Linux 2.6.24 has the side effect that the boinc user's idle process
takes about half of the cpu cycles.
This causes severe performance regressions when running boinc-client: half of
the cpu cycles are always assigned to boinc and the cpu stepping does not get
increased (from 1GHz to 1.8GHz here), when there is non-boinc load.
The attached patch changes the cpu_share of the boinc user to "2" in the init
script ("1" would be better probably, but that causes my system to hard-lock,
others cannot confirm though, see
http://bugzilla.kernel.org/show_bug.cgi?id=9779).
--
http://daniel.hahler.de/
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