From: Ingo Molnar <mingo@kernel.org>
To: Jason Wang <jasowang@redhat.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, mst@redhat.com,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH net-next 1/2] sched: introduce nr_running_this_cpu()
Date: Thu, 21 Aug 2014 15:52:03 +0200 [thread overview]
Message-ID: <20140821135203.GA29591@gmail.com> (raw)
In-Reply-To: <1408608310-13579-1-git-send-email-jasowang@redhat.com>
* Jason Wang <jasowang@redhat.com> wrote:
> This patch introduces a helper nr_running_this_cpu() to return the
> number of runnable processes in current cpu.
>
> The first user will be net rx busy polling. It will use this to exit
> the busy loop when it finds more than one processes is runnable in
> current cpu. This can give us better performance of busy polling under
> heavy load.
s/one processes/one process
More importantly, please Cc: scheduler maintainers and lkml to
both patches, so that the whole intent of the change can be
reviewed, in full context.
Thanks,
Ingo
next prev parent reply other threads:[~2014-08-21 13:52 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-21 8:05 [PATCH net-next 1/2] sched: introduce nr_running_this_cpu() Jason Wang
2014-08-21 8:05 ` [PATCH net-next 2/2] net: exit busy loop when another process is runnable Jason Wang
2014-08-21 8:11 ` Michael S. Tsirkin
2014-08-22 2:53 ` Jason Wang
2014-08-21 19:03 ` Amos Kong
2014-08-22 5:01 ` Mike Galbraith
2014-08-22 7:29 ` Jason Wang
2014-08-22 7:42 ` Ingo Molnar
2014-08-29 3:08 ` Jason Wang
2014-09-01 6:39 ` Eliezer Tamir
2014-09-02 3:29 ` Jason Wang
2014-09-02 6:15 ` Eliezer Tamir
2014-09-02 7:37 ` Jason Wang
2014-09-02 8:31 ` Michael S. Tsirkin
2014-09-03 6:49 ` Eliezer Tamir
2014-09-03 7:33 ` Jason Wang
2014-09-03 9:36 ` Peter Zijlstra
2014-09-03 9:59 ` Michael S. Tsirkin
2014-09-03 7:51 ` Michael S. Tsirkin
2014-09-04 6:51 ` Eliezer Tamir
2014-09-04 8:25 ` Michael S. Tsirkin
2014-08-22 7:36 ` Ingo Molnar
2014-08-22 9:08 ` Jason Wang
2014-08-22 14:16 ` Eric Dumazet
2014-08-25 2:54 ` Jason Wang
2014-08-25 13:16 ` Eliezer Tamir
2014-08-26 7:16 ` Jason Wang
2014-09-01 6:55 ` Eliezer Tamir
2014-09-02 3:35 ` Jason Wang
2014-09-02 6:03 ` Eliezer Tamir
2014-09-02 6:31 ` Jason Wang
2014-09-03 6:21 ` Eliezer Tamir
2014-09-03 6:59 ` Jason Wang
2016-04-14 0:55 ` Peter Zijlstra
2014-09-03 8:09 ` Michael S. Tsirkin
2016-04-11 16:31 ` Michael S. Tsirkin
2016-04-13 7:20 ` Ingo Molnar
2016-04-13 13:28 ` Peter Zijlstra
2016-04-13 13:51 ` Michael S. Tsirkin
2016-04-14 0:58 ` Peter Zijlstra
2014-09-01 9:31 ` Peter Zijlstra
2014-09-01 9:52 ` Michael S. Tsirkin
2014-09-01 10:04 ` Peter Zijlstra
2014-09-01 10:19 ` Peter Zijlstra
2014-09-02 4:03 ` Jason Wang
2014-09-02 10:24 ` Peter Zijlstra
2014-09-03 6:58 ` Jason Wang
2014-09-03 9:30 ` Peter Zijlstra
2014-09-01 10:22 ` Michael S. Tsirkin
2014-09-02 3:38 ` Jason Wang
2014-09-02 6:12 ` Peter Zijlstra
2014-09-02 7:19 ` Jason Wang
2014-08-21 13:52 ` Ingo Molnar [this message]
2014-08-22 7:27 ` [PATCH net-next 1/2] sched: introduce nr_running_this_cpu() Jason Wang
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