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From: Davidlohr Bueso <dave@stgolabs.net>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Jiri Olsa <jolsa@redhat.com>, Jiri Olsa <jolsa@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	linux-kernel@vger.kernel.org, Davidlohr Bueso <dbueso@suse.de>
Subject: Re: [PATCH 2/2 v2] perf bench futex: add NUMA support
Date: Wed, 19 Oct 2016 11:16:16 -0700	[thread overview]
Message-ID: <20161019181616.GC30561@linux-80c1.suse> (raw)
In-Reply-To: <20161017153331.pkzaij5a3ma5c5s5@linutronix.de>

On Mon, 17 Oct 2016, Sebastian Andrzej Siewior wrote:

>By default the application uses malloc() and all available CPUs. This
>patch introduces NUMA support which means:
>- memory is allocated node local via numa_alloc_local()
>- all CPUs of the specified NUMA node are used. This is also true if the
>  number of threads set is greater than the number of CPUs available on
>  this node.

Can't we just use numactl to bind cpus and memory to be node-local?

Thanks,
Davidlohr

  reply	other threads:[~2016-10-19 18:16 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-16 19:08 [PATCH 1/2] perf bench futex: cache align the worer struct Sebastian Andrzej Siewior
2016-10-16 19:08 ` [PATCH 2/2] perf bench futex: add NUMA support Sebastian Andrzej Siewior
2016-10-17 14:38   ` Arnaldo Carvalho de Melo
2016-10-17 15:01     ` Jiri Olsa
2016-10-17 15:04       ` Arnaldo Carvalho de Melo
2016-10-17 15:33         ` [PATCH 2/2 v2] " Sebastian Andrzej Siewior
2016-10-19 18:16           ` Davidlohr Bueso [this message]
2016-10-19 18:37             ` Sebastian Andrzej Siewior
2016-10-21  2:34               ` Davidlohr Bueso
2016-10-21  3:03           ` Davidlohr Bueso
2016-10-18  1:09 ` [PATCH 1/2] perf bench futex: cache align the worer struct Davidlohr Bueso
2016-10-19 13:07   ` Sebastian Andrzej Siewior
2016-10-19 17:59     ` [PATCH] perf/bench-futex: Avoid worker cacheline bouncing Davidlohr Bueso
2016-10-19 18:13       ` Sebastian Andrzej Siewior
2016-10-19 18:41         ` Davidlohr Bueso
2016-10-24 19:06 ` [tip:perf/core] perf bench futex: Cache align the worker struct tip-bot for Sebastian Andrzej Siewior

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