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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Rik van Riel <riel@redhat.com>
Cc: Eric Dumazet <edumazet@google.com>,
	Hannes Frederic Sowa <hannes@stressinduktion.org>,
	Paolo Abeni <pabeni@redhat.com>, netdev <netdev@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jiri Pirko <jiri@mellanox.com>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Alexei Starovoitov <ast@plumgrid.com>,
	Alexander Duyck <aduyck@mirantis.com>,
	Tom Herbert <tom@herbertland.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 0/2] net: threadable napi poll loop
Date: Tue, 10 May 2016 14:53:37 -0700	[thread overview]
Message-ID: <1462917217.23934.101.camel@edumazet-glaptop3.roam.corp.google.com> (raw)
In-Reply-To: <1462916121.16365.14.camel@redhat.com>

On Tue, 2016-05-10 at 17:35 -0400, Rik van Riel wrote:

> You might need another one of these in invoke_softirq()
> 

Excellent.

I gave it a quick try (without your suggestion), and host seems to
survive a stress test.

Of course we do have to fix these problems :

[  147.781629] NOHZ: local_softirq_pending 48
[  147.785546] NOHZ: local_softirq_pending 48
[  147.788344] NOHZ: local_softirq_pending 48
[  147.788992] NOHZ: local_softirq_pending 48
[  147.790943] NOHZ: local_softirq_pending 48
[  147.791232] NOHZ: local_softirq_pending 24a
[  147.791258] NOHZ: local_softirq_pending 48
[  147.791366] NOHZ: local_softirq_pending 48
[  147.792118] NOHZ: local_softirq_pending 48
[  147.793428] NOHZ: local_softirq_pending 48

Thanks.

  reply	other threads:[~2016-05-10 21:53 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-10 14:11 [RFC PATCH 0/2] net: threadable napi poll loop Paolo Abeni
2016-05-10 14:11 ` [RFC PATCH 1/2] net: implement threaded-able napi poll loop support Paolo Abeni
2016-05-10 14:11 ` [RFC PATCH 2/2] net: add sysfs attribute to control napi threaded mode Paolo Abeni
2016-05-10 14:29 ` [RFC PATCH 0/2] net: threadable napi poll loop Eric Dumazet
2016-05-10 15:51   ` David Miller
2016-05-10 16:03   ` Paolo Abeni
2016-05-10 16:08     ` Eric Dumazet
2016-05-10 20:22       ` Paolo Abeni
2016-05-10 20:45         ` David Miller
2016-05-10 20:50           ` Rik van Riel
2016-05-10 20:52             ` David Miller
2016-05-10 21:01               ` Rik van Riel
2016-05-10 20:46   ` Hannes Frederic Sowa
2016-05-10 21:09     ` Eric Dumazet
2016-05-10 21:31       ` Eric Dumazet
2016-05-10 21:35         ` Rik van Riel
2016-05-10 21:53           ` Eric Dumazet [this message]
2016-05-10 22:02             ` Eric Dumazet
2016-05-10 22:44               ` Eric Dumazet
2016-05-10 22:02             ` Rik van Riel
2016-05-11 17:55             ` Eric Dumazet
2016-05-10 22:32       ` Hannes Frederic Sowa
2016-05-10 22:51         ` Eric Dumazet
2016-05-11  6:55           ` Peter Zijlstra
2016-05-11 13:13             ` Hannes Frederic Sowa
2016-05-11 14:40               ` Eric Dumazet
2016-05-11 15:01                 ` Rik van Riel
2016-05-11 15:50                 ` Eric Dumazet
2016-05-11 21:56             ` Eric Dumazet
2016-05-12 20:07               ` Paolo Abeni
2016-05-12 20:49                 ` Eric Dumazet
2016-05-12 20:58                   ` Paolo Abeni
2016-05-12 21:05                     ` Eric Dumazet
2016-05-13 16:50               ` Paolo Abeni
2016-05-13 17:03                 ` Eric Dumazet
2016-05-13 17:19                   ` Paolo Abeni
2016-05-13 17:36                     ` Eric Dumazet
2016-05-16 13:10                       ` Paolo Abeni
2016-05-16 13:38                         ` Eric Dumazet
2016-05-11  9:48           ` Paolo Abeni
2016-05-11 13:08             ` Eric Dumazet
2016-05-11 13:39               ` Hannes Frederic Sowa
2016-05-11 13:47                 ` Hannes Frederic Sowa
2016-05-11 14:38               ` Paolo Abeni
2016-05-11 14:45                 ` Eric Dumazet
2016-05-11 22:47                   ` Hannes Frederic Sowa
2016-05-10 15:57 ` Thomas Gleixner
2016-05-10 20:41   ` Paolo Abeni

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