Re: [PATCH 2/3] perf-bench: add futex-wake microbenchmark

From: Namhyung Kim
Date: Mon Dec 16 2013 - 00:25:36 EST


Hi Davidlohr,

On Sat, 14 Dec 2013 20:31:56 -0800, Davidlohr Bueso wrote:
> Block a bunch of threads on a futex and wake them up, N at a time.
>
> This program is particularly useful to measure the latency of nthread wakeups
> in non-error situations: all waiters are queued and all wake calls wakeup
> one or more tasks. An example run:
>
> $ perf bench futex -t 512 -r 100

Did you mean 'perf bench futex wake'?

Thanks,
Namhyung
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/