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From: Frederic Weisbecker <fweisbec@gmail.com>
To: Luiz Capitulino <lcapitulino@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@kernel.org>, Wanpeng Li <kernellwp@gmail.com>,
	Rik van Riel <riel@redhat.com>
Subject: Re: [RFC PATCH 0/5] vtime: Fix wrong user and system time accounting
Date: Wed, 5 Jul 2017 15:16:32 +0200	[thread overview]
Message-ID: <20170705131632.GC29276@lerouge> (raw)
In-Reply-To: <20170704125200.6b056971@redhat.com>

On Tue, Jul 04, 2017 at 12:52:00PM -0400, Luiz Capitulino wrote:
> On Thu, 29 Jun 2017 19:15:06 +0200
> Frederic Weisbecker <fweisbec@gmail.com> wrote:
> 
> > Hi,
> > 
> > This is a proposition to fix
> > "[BUG nohz]: wrong user and system time accounting":
> >         http://lkml.kernel.org/r/20170323165512.60945ac6@redhat.com
> 
> Amazing series Frederic! This fixes all instances of the issue
> for me on bare-metal and KVM guests, even acct-bug[1] is fixed.
> 
> Tested-by: Luiz Capitulino <lcapitulino@redhat.com>
> 
> [1] http://people.redhat.com/~lcapitul/real-time/acct-bug.c

I'm glad it worked out! Thanks a lot for your testing. Now let's see
if someone stumbles upon a new bug introduced by this series. Given how
sensitive it can be.

      reply	other threads:[~2017-07-05 13:16 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-29 17:15 [RFC PATCH 0/5] vtime: Fix wrong user and system time accounting Frederic Weisbecker
2017-06-29 17:15 ` [PATCH 1/5] vtime: Remove vtime_account_user() Frederic Weisbecker
2017-06-29 23:01   ` Rik van Riel
2017-07-05 10:28   ` [tip:sched/urgent] vtime, sched/cputime: " tip-bot for Frederic Weisbecker
2017-06-29 17:15 ` [PATCH 2/5] sched: Always set vtime_snap_whence after accounting vtime Frederic Weisbecker
2017-06-29 23:01   ` Rik van Riel
2017-07-05 10:28   ` [tip:sched/urgent] sched/cputime: Always set tsk->vtime_snap_whence " tip-bot for Frederic Weisbecker
2017-06-29 17:15 ` [PATCH 3/5] sched: Rename vtime fields Frederic Weisbecker
2017-06-29 23:02   ` Rik van Riel
2017-07-05 10:28   ` [tip:sched/urgent] sched/cputime: " tip-bot for Frederic Weisbecker
2017-06-29 17:15 ` [PATCH 4/5] sched: Move vtime task fields to their own struct Frederic Weisbecker
2017-06-29 23:05   ` Rik van Riel
2017-07-05 10:29   ` [tip:sched/urgent] sched/cputime: Move the " tip-bot for Frederic Weisbecker
2017-06-29 17:15 ` [PATCH 5/5] sched: Accumulate vtime on top of nsec clocksource Frederic Weisbecker
2017-06-29 23:27   ` Rik van Riel
2017-07-05 13:20     ` Frederic Weisbecker
2017-06-30  1:52   ` Wanpeng Li
2017-07-05 10:29   ` [tip:sched/urgent] sched/cputime: " tip-bot for Wanpeng Li
2017-07-15  3:37   ` [PATCH 5/5] sched: " Levin, Alexander (Sasha Levin)
2017-07-15  5:26     ` Wanpeng Li
2017-06-30  1:41 ` [RFC PATCH 0/5] vtime: Fix wrong user and system time accounting Wanpeng Li
2017-06-30 17:32   ` Luiz Capitulino
2017-07-03 10:28 ` Thomas Gleixner
2017-07-04 16:52 ` Luiz Capitulino
2017-07-05 13:16   ` Frederic Weisbecker [this message]

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