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From: Vineeth Remanan Pillai <vpillai@digitalocean.com>
To: "Li, Aubrey" <aubrey.li@linux.intel.com>
Cc: "Nishanth Aravamudan" <naravamudan@digitalocean.com>,
	"Julien Desfossez" <jdesfossez@digitalocean.com>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Tim Chen" <tim.c.chen@linux.intel.com>,
	"Ingo Molnar" <mingo@kernel.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Paul Turner" <pjt@google.com>,
	"Linus Torvalds" <torvalds@linux-foundation.org>,
	"Joel Fernandes (Google)" <joel@joelfernandes.org>,
	"Linux List Kernel Mailing" <linux-kernel@vger.kernel.org>,
	"Subhra Mazumdar" <subhra.mazumdar@oracle.com>,
	"Frédéric Weisbecker" <fweisbec@gmail.com>,
	"Kees Cook" <keescook@chromium.org>,
	"Greg Kerr" <kerrnel@google.com>, "Phil Auld" <pauld@redhat.com>,
	"Aaron Lu" <aaron.lwe@gmail.com>,
	"Aubrey Li" <aubrey.intel@gmail.com>,
	"Valentin Schneider" <valentin.schneider@arm.com>,
	"Mel Gorman" <mgorman@techsingularity.net>,
	"Pawan Gupta" <pawan.kumar.gupta@linux.intel.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Joel Fernandes" <joelaf@google.com>,
	"Vineeth Pillai" <vineethrp@gmail.com>,
	"Chen Yu" <yu.c.chen@intel.com>,
	"Christian Brauner" <christian.brauner@ubuntu.com>,
	"Tim Chen" <tim.c.chen@intel.com>,
	"Paul E . McKenney" <paulmck@kernel.org>
Subject: Re: [RFC PATCH 14/16] irq: Add support for core-wide protection of IRQ and softirq
Date: Fri, 10 Jul 2020 09:36:42 -0400	[thread overview]
Message-ID: <CANaguZArdu1Jz3SvogFSXhnqmbdKX5aAORmGMf_uc+J=UQZpJw@mail.gmail.com> (raw)
In-Reply-To: <ed837e01-043b-e19b-293c-30d44df6f3a8@linux.intel.com>

Hi Aubrey,

On Fri, Jul 10, 2020 at 8:19 AM Li, Aubrey <aubrey.li@linux.intel.com> wrote:
>
> Hi Joel/Vineeth,
> [...]
> The problem is gone when we reverted this patch. We are running multiple
> uperf threads(equal to cpu number) in a cgroup with coresched enabled.
> This is 100% reproducible on our side.
>
> Just wonder if anything already known before we dig into it.
>
Thanks for reporting this. We haven't seen any lockups like this
in our testing yet.

Could you please add more information on how to reproduce this?
Was it a simple uperf run without any options or was it running any
specific kind of network test?

We shall also try to reproduce this and investigate.

Thanks,
Vineeth

  parent reply	other threads:[~2020-07-10 13:36 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-30 21:32 [RFC PATCH 00/16] Core scheduling v6 Vineeth Remanan Pillai
2020-06-30 21:32 ` [RFC PATCH 01/16] sched: Wrap rq::lock access Vineeth Remanan Pillai
2020-06-30 21:32 ` [RFC PATCH 02/16] sched: Introduce sched_class::pick_task() Vineeth Remanan Pillai
2020-06-30 21:32 ` [RFC PATCH 03/16] sched: Core-wide rq->lock Vineeth Remanan Pillai
2020-06-30 21:32 ` [RFC PATCH 04/16] sched/fair: Add a few assertions Vineeth Remanan Pillai
2020-06-30 21:32 ` [RFC PATCH 05/16] sched: Basic tracking of matching tasks Vineeth Remanan Pillai
2020-07-21 14:02   ` [RFC PATCH 05/16] sched: Basic tracking of matching tasks(Internet mail) benbjiang(蒋彪)
2020-06-30 21:32 ` [RFC PATCH 06/16] sched: Add core wide task selection and scheduling Vineeth Remanan Pillai
2020-07-01 23:28   ` Joel Fernandes
2020-07-02  0:54     ` Tim Chen
2020-07-02 12:57       ` Joel Fernandes
2020-07-02 13:23         ` Joel Fernandes
2020-07-05 23:44         ` Tim Chen
2020-07-03 20:21     ` Vineeth Remanan Pillai
2020-07-06 14:09       ` Joel Fernandes
2020-07-06 14:38         ` Vineeth Remanan Pillai
2020-07-06 17:37           ` Joel Fernandes
2020-06-30 21:32 ` [RFC PATCH 07/16] sched/fair: Fix forced idle sibling starvation corner case Vineeth Remanan Pillai
2020-07-21  7:35   ` [RFC PATCH 07/16] sched/fair: Fix forced idle sibling starvation corner case(Internet mail) benbjiang(蒋彪)
2020-07-22  7:20   ` benbjiang(蒋彪)
2020-06-30 21:32 ` [RFC PATCH 08/16] sched/fair: wrapper for cfs_rq->min_vruntime Vineeth Remanan Pillai
2020-06-30 21:32 ` [RFC PATCH 09/16] sched/fair: core wide cfs task priority comparison Vineeth Remanan Pillai
2020-07-22  0:23   ` [RFC PATCH 09/16] sched/fair: core wide cfs task priority comparison(Internet mail) benbjiang(蒋彪)
2020-07-24  7:14     ` Aaron Lu
2020-07-24 12:08       ` Jiang Biao
2020-06-30 21:32 ` [RFC PATCH 10/16] sched: Trivial forced-newidle balancer Vineeth Remanan Pillai
2020-07-20  4:06   ` [RFC PATCH 10/16] sched: Trivial forced-newidle balancer(Internet mail) benbjiang(蒋彪)
2020-07-20  6:06     ` Li, Aubrey
     [not found]       ` <8082F052-2F52-42D3-B396-18A35A94F26F@tencent.com>
2020-07-20  8:03         ` Li, Aubrey
2020-07-20  8:22           ` benbjiang(蒋彪)
2020-07-20 14:34   ` benbjiang(蒋彪)
2020-06-30 21:32 ` [RFC PATCH 11/16] sched: migration changes for core scheduling Vineeth Remanan Pillai
2020-07-22  8:54   ` [RFC PATCH 11/16] sched: migration changes for core scheduling(Internet mail) benbjiang(蒋彪)
2020-07-22 12:13     ` Li, Aubrey
2020-07-22 14:32       ` benbjiang(蒋彪)
2020-07-23  1:57         ` Li, Aubrey
2020-07-23  2:42           ` benbjiang(蒋彪)
2020-07-23  3:35             ` Li, Aubrey
2020-07-23  4:23               ` benbjiang(蒋彪)
2020-07-23  5:39                 ` Li, Aubrey
2020-07-23  7:47                   ` benbjiang(蒋彪)
2020-07-23  8:06                     ` Li, Aubrey
2020-07-23  8:28                       ` benbjiang(蒋彪)
2020-07-23 23:43                         ` Aubrey Li
2020-07-24  1:26                           ` benbjiang(蒋彪)
2020-07-24  2:05                             ` Li, Aubrey
2020-07-24  2:29                               ` benbjiang(蒋彪)
2020-06-30 21:32 ` [RFC PATCH 12/16] sched: cgroup tagging interface for core scheduling Vineeth Remanan Pillai
2020-06-30 21:32 ` [RFC PATCH 13/16] sched: Fix pick_next_task() race condition in " Vineeth Remanan Pillai
2020-06-30 21:32 ` [RFC PATCH 14/16] irq: Add support for core-wide protection of IRQ and softirq Vineeth Remanan Pillai
2020-07-10 12:19   ` Li, Aubrey
2020-07-10 13:21     ` Joel Fernandes
2020-07-13  2:23       ` Li, Aubrey
2020-07-13 15:58         ` Joel Fernandes
2020-07-10 13:36     ` Vineeth Remanan Pillai [this message]
2020-07-11  1:33       ` Aubrey Li
2020-07-17 23:37     ` Thomas Gleixner
2020-07-18 17:05       ` Joel Fernandes
2020-07-17 23:36   ` Thomas Gleixner
2020-07-20  3:53     ` Joel Fernandes
2020-07-20  8:20       ` Thomas Gleixner
2020-07-20 11:09       ` Vineeth Pillai
2020-06-30 21:32 ` [RFC PATCH 15/16] Documentation: Add documentation on core scheduling Vineeth Remanan Pillai
2020-06-30 21:32 ` [RFC PATCH 16/16] sched: Debug bits Vineeth Remanan Pillai
2020-07-31 16:41 ` [RFC PATCH 00/16] Core scheduling v6 Vineeth Pillai
2020-08-03  8:23 ` Li, Aubrey
2020-08-03 16:53   ` Joel Fernandes
2020-08-05  3:57     ` Li, Aubrey
2020-08-05  6:16       ` [RFC PATCH 00/16] Core scheduling v6(Internet mail) benbjiang(蒋彪)
2020-08-09 16:44       ` [RFC PATCH 00/16] Core scheduling v6 Joel Fernandes
2020-08-12  2:01         ` Li, Aubrey
2020-08-12 23:08           ` Joel Fernandes
2020-08-13  4:28             ` Li, Aubrey
2020-08-14  0:26               ` [RFC PATCH 00/16] Core scheduling v6(Internet mail) benbjiang(蒋彪)
2020-08-14  1:36                 ` Li, Aubrey
2020-08-14  4:04                   ` benbjiang(蒋彪)
2020-08-14  5:18                     ` Li, Aubrey
2020-08-14  7:54                       ` benbjiang(蒋彪)
2020-08-20 22:37               ` [RFC PATCH 00/16] Core scheduling v6 Joel Fernandes
2020-08-27  0:30 ` Alexander Graf
2020-08-27  1:20   ` Vineeth Pillai

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