linux-kernel - Re: [PATCH 2/2 v2] perf bench futex: add NUMA support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20161019181616.GC30561@linux-80c1.suse>
Date:   Wed, 19 Oct 2016 11:16:16 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>, Jiri Olsa <jolsa@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH 2/2 v2] perf bench futex: add NUMA support

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