lkml.org 
[lkml]   [2008]   [Aug]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: loaded router, excessive getnstimeofday in oprofile
    On Tue, Aug 26, 2008 at 01:49:09PM +0300, Denys Fedoryshchenko wrote:
    > On Tuesday 26 August 2008, Jarek Poplawski wrote:
    > > The question is if you really need so exact shaping at a cost of
    > > higher system load.
    > Thats maybe another reason to have your patch in mainline :-)

    We should be first sure when it's really needed.

    > I will try it today with this case, if it will help.
    >
    > Maybe it can be optional, and enabled via kernel parameter and /sys , so it
    > can be useful in case of crashes when TSC used and when timer is too slow.
    > Because it is not so useful just to disable hrtimers completely, if you need
    > them for some other task...

    Maybe it could be enough to use current parameters like: "highres=off"
    according to Documentation/kernel-parameters.txt?

    Jarek P.


    \
     
     \ /
      Last update: 2008-08-26 13:11    [W:3.937 / U:0.160 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site