Messages in this thread | | | Date | Fri, 8 May 2015 16:24:29 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 1/2] perf bench futex: Support parallel waker threads |
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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
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