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    SubjectRe: Limiting max cpu usage per user (old Conectiva patch)
    On Wed, 27 Nov 2002 10:08:56 -0200 (BRST)
    Rik van Riel <riel@conectiva.com.br> wrote:

    > It's on my patches page:
    >
    > http://surriel.com/patches/
    >
    > 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

    --
    - Hu Gang
    -
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