lkml.org 
[lkml]   [2017]   [Nov]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] Add slowpath enter/exit trace events
From
Date
On 11/23/2017 02:43 PM, Tetsuo Handa wrote:
> Please see my attempt at
> http://lkml.kernel.org/r/1510833448-19918-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp .
> Printing just current thread is not sufficient for me.
>
>
Seems to  me that it is a lot more overhead with timers and stuff.
My probe is for the health of the system trying to capture how get the penalty and how much. A slowpath alloc in a audio stream can causes drop-outs. And they are very hard to debug in userspace.

\
 
 \ /
  Last update: 2017-11-24 08:44    [W:0.249 / U:0.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site