[lkml]   [2009]   [Dec]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [GIT PATCH] TTY patches for 2.6.33-git
    Am Montag, 14. Dezember 2009 06:30:15 schrieb Arjan van de Ven:
    > > We have the bkl tracepoints for that, attaching an example below,
    > > blkdev_get/bkldev_put is among the highest consumer for me.
    > we have a trace, but not a number that anyone can just pull out without
    > having to go through great lengths to set stuff up... (esp to capture a
    > boot)...
    > Adding a counter always to the lock_kernel function should be fine
    > instead...

    But don't we need to know how long it is held? If you just count
    you'll make code that drops it while it can look bad.


     \ /
      Last update: 2009-12-14 11:41    [W:0.018 / U:21.992 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site