lkml.org 
[lkml]   [2009]   [Dec]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 3/4] vmstat: add anon_scan_ratio field to zoneinfo
    * KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> [2009-12-28 16:48:51]:

    > Vmscan folks was asked "why does my system makes so much swap-out?"
    > in lkml at several times.
    > At that time, I made the debug patch to show recent_anon_{scanned/rorated}
    > parameter at least three times.
    >
    > Thus, its parameter should be showed on /proc/zoneinfo. It help
    > vmscan folks debugging.
    >

    Hmmm.. I think this should come under DEBUG_VM, a lot of tools use
    /proc/zoneinfo, the additional overhead may be high.. no? Also,
    I would recommend adding the additional details to the end, so
    as to not break existing tools (specifically dump line # based
    tools).

    --
    Balbir


    \
     
     \ /
      Last update: 2009-12-29 15:11    [W:0.021 / U:1.780 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site