lkml.org 
[lkml]   [2015]   [May]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] perf bench futex: Support parallel waker threads
Em Fri, May 08, 2015 at 11:37:59AM -0700, Davidlohr Bueso escreveu:
> The futex-wake benchmark only measures wakeups done within
> a single process. While this has value in its own, it does
> not really generate any hb->lock contention. A new benchmark
> 'wake-parallel' is added, by extending the futex-wake code
> such that we can measure parallel waker threads. The program
> output shows the avg per-thread latency in order to complete
> its share of wakeups:
>
> Run summary [PID 13474]: blocking on 512 threads (at [private] futex 0xa88668), 8 threads waking up 64 at a time.

Thanks, applied both to perf/core.

- Arnaldo


\
 
 \ /
  Last update: 2015-05-08 21:41    [W:0.046 / U:19.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site