sar output fails on sarge with udev and 2.6 kernel

From: Yogesh Bhanu (yogesh_at_gsf.de)
Date: 06/14/05

  • Next message: Kenward Vaughan: "Re: [Bit OT] Printers" 
    Date: Tue, 14 Jun 2005 15:14:48 +0200
To: debian-user@lists.debian.org

    Hi ,
          Looks like a bug . Or something failed .
    I just moved one of my nfs servers to sarge . as the system has 6 GB of ram I
    compiled the kernel 2.6.11.12 . The system is working fine.

    iostat 1 shows

    Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
    sda 0.00 0.00 0.00 0 0
    sdb 134.00 240.00 4288.00 240 4288
    sdc 0.00 0.00 0.00 0 0
    sdd 0.00 0.00 0.00 0 0

    avg-cpu: %user %nice %system %iowait %idle
                0.50 0.00 1.00 5.47 93.03

    Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
    sda 0.00 0.00 0.00 0 0
    sdb 142.00 480.00 4152.00 480 4152
    sdc 7.00 0.00 144.00 0 144
    sdd 0.00 0.00 0.00 0 0

    avg-cpu: %user %nice %system %iowait %idle
                0.50 0.00 1.50 3.50 94.50

    Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
    sda 2.00 0.00 24.00 0 24
    sdb 100.00 0.00 3440.00 0 3440
    sdc 3.00 0.00 32.00 0 32
    sdd 0.00 0.00 0.00 0 0

    But ...
    sar -bdr

    07:45:01 0.00 0.00 0.00 0.00 0.00

    07:45:01 tps rtps wtps bread/s bwrtn/s
    07:55:01 0.00 0.00 0.00 0.00 0.00
    08:05:01 0.00 0.00 0.00 0.00 0.00
    08:15:01 0.00 0.00 0.00 0.00 0.00
    08:25:01 0.00 0.00 0.00 0.00 0.00
    08:35:01 0.00 0.00 0.00 0.00 0.00
    08:45:01 0.00 0.00 0.00 0.00 0.00
    08:55:01 0.00 0.00 0.00 0.00 0.00
    09:05:01 0.00 0.00 0.00 0.00 0.00
    09:18:10 0.00 0.00 0.00 0.00 0.00
    09:25:01 0.00 0.00 0.00 0.00 0.00
    09:35:01 0.00 0.00 0.00 0.00 0.00
    09:45:01 0.00 0.00 0.00 0.00 0.00
    09:55:01 0.00 0.00 0.00 0.00 0.00
    10:05:01 0.00 0.00 0.00 0.00 0.00
    10:15:01 0.00 0.00 0.00 0.00 0.00
    10:25:01 0.00 0.00 0.00 0.00 0.00
    Average: 0.00 0.00 0.00 0.00 0.00

    00:05:01 kbmemfree kbmemused %memused kbbuffers kbcached kbswpfree
    kbswpused %swpused kbswpcad
    00:15:01 3644524 2590636 41.55 699004 1714928 8128860
    644 0.01 0
    00:25:01 2135248 4099912 65.75 702196 3222900 8128860
    644 0.01 0
    00:35:01 304676 5930484 95.11 703356 5054884 8128860
    644 0.01 0
    00:45:01 298556 5936604 95.21 706864 5060964 8128860
    644 0.01 0
    00:55:01 278164 5956996 95.54 708248 5081340 8128860
    644 0.01 0
    01:05:01 105188 6129972 98.31 616388 5349796 8128860
    644 0.01 0
    01:15:01 97280 6137880 98.44 624184 5349684 8128860
    644 0.01 0
    01:25:01 91596 6143564 98.53 630012 5349500 8128860
    644 0.01 0
    01:35:01 187416 6047744 96.99 526596 5362000 8128860
    644 0.01 0
    01:45:01 177624 6057536 97.15 535868 5361976 8128860
    644 0.01 0
    01:55:01 162996 6072164 97.39 550752 5361576 8128860
    644 0.01 0
    02:05:01 156548 6078612 97.49 557284 5361980 8128860
    644 0.01 0
    02:15:01 142916 6092244 97.71 571100 5361968 8128860
    644 0.01 0
    02:25:01 131384 6103776 97.89 583052 5361032 8128860
    644 0.01 0
    02:35:01 118364 6116796 98.10 595636 5361844 8128860
    644 0.01 0
    02:45:01 87364 6147796 98.60 626584 5361904 8128860
    644 0.01 0
    02:55:01 18628 6216532 99.70 722704 5349220 8128860
    644 0.01 0
    03:05:01 15836 6219324 99.75 733192 5343968 8128860
    644 0.01 0
    03:15:01 10356 6224804 99.83 733320 5349552 8128860
    644 0.01 0
    03:25:01 11668 6223492 99.81 733200 5349128 8128860
    644 0.01 0
    03:35:01 10388 6224772 99.83 734508 5349656 8128860
    644 0.01 0
    03:45:02 10212 6224948 99.84 735268 5349984 8128860
    644 0.01 0
    03:55:01 10204 6224956 99.84 735748 5349640 8128860
    644 0.01 0

    Looks like I have no log for io stats and that is bad .

    Cheers
    yogesh 

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