Limiting max cpu usage per user (old Conectiva patch)
Hi all,
do we have an effective way to limit max cpu usage per user? I haven't been able to find much useful info except for an old thread on lkml, where Rik van Riel mentions[1] a 2.2 kernel patch by Conectiva.
Anybody knows if this patch (or similar functionality) been ported to 2.4 (or 2.5)?
[1]http://www.uwsg.iu.edu/hypermail/linux/kernel/0108.2/0362.html
--
Frederik
Quoted 6 lines · Frederik Dannemare
do we have an effective way to limit max cpu usage per user? I haven't been able to find much useful info except for an old thread on lkml, where Rik van Riel mentions[1] a 2.2 kernel patch by Conectiva.
Anybody knows if this patch (or similar functionality) been ported to 2.4 (or 2.5)?
It's on my patches page:
cheers,
Rik
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Bravely reimplemented by the knights who say "NIH". http://www.surriel.com/ http://guru.conectiva.com/ Current spamtrap: <a href=mailto:"[email protected]">[email protected]</a>
Quoted 5 lines · On Wed, 27 Nov 2002 10:08:56 -0200 (BRST) Rik van Riel <[email protected]>…
It's on my patches page:
cheers,
The patch is works. Here is the test.w.c
-------
#include <stdio.h>main()
{
while(1);
}
-------
start 5 w as normal user..
start 5 w as root user.
Enabel the fairsched
echo 1 > /proc/sys/kernel/fairsched
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND 976 root 20 0 248 248 204 R 13.1 0.0 0:28 w 974 root 20 0 248 248 204 R 12.9 0.0 0:28 w 975 root 20 0 248 248 204 R 12.9 0.0 0:28 w 973 root 17 0 248 248 204 R 12.5 0.0 0:29 w 972 root 14 0 248 248 204 R 11.9 0.0 0:30 w 968 hugang 20 0 252 252 208 R 7.1 0.0 0:18 w 970 hugang 20 0 252 252 208 R 7.1 0.0 0:17 w 967 hugang 20 0 252 252 208 R 5.9 0.0 0:19 w 969 hugang 20 0 252 252 208 R 5.9 0.0 0:17 w 966 hugang 14 0 252 252 208 R 5.9 0.0 0:20 w
Disabel the fairsched
echo 0 > /proc/sys/kernel/fairsched
969 hugang 16 0 252 252 208 R 9.7 0.0 0:20 w 970 hugang 16 0 252 252 208 R 9.7 0.0 0:19 w 966 hugang 16 0 252 252 208 R 9.5 0.0 0:23 w 974 root 16 0 248 248 204 R 9.5 0.0 0:32 w 968 hugang 16 0 252 252 208 R 9.5 0.0 0:20 w 975 root 16 0 248 248 204 R 9.5 0.0 0:32 w 976 root 16 0 248 248 204 R 9.5 0.0 0:32 w 972 root 16 0 248 248 204 R 9.5 0.0 0:34 w 967 hugang 16 0 252 252 208 R 9.1 0.0 0:21 w 973 root 16 0 248 248 204 R 8.9 0.0 0:33 w
Signature · 1 line
- Hu Gang
Quoted 6 lines · Rik van Riel
Quoted 4 lines · Frederik Dannemare
do we have an effective way to limit max cpu usage per user? I haven't been able to find much useful info except for an old thread on lkml, where Rik van Riel mentions[1] a 2.2 kernel patch by Conectiva.
Quoted 7 lines
Quoted 2 lines
Anybody knows if this patch (or similar functionality) been ported to 2.4 (or 2.5)?
It's on my patches page:
Great. Many thanks. I'll go test it right away.
--
Frederik
hi :)
Quoted 1 line · Frederik Dannemare
do we have an effective way to limit max cpu usage per user?
i'm working on a resource container implementation for linux for my diploma thesis.
resource container provide a hierarchical way to account and limit resources.
this way not only per user limits can be achieved, but any policy you can think of (per service, per client, ...)
the work is due january, but interested people could have a look at the (undocumented for now ;) source earlier.
Signature · 10 lines
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