From: Aaron Tomlin <atomlin@redhat.com>
To: Christoph Lameter <cl@gentwo.de>
Cc: Peter Zijlstra <peterz@infradead.org>,
frederic@kernel.org, mtosatti@redhat.com, tglx@linutronix.de,
mingo@kernel.org, pauld@redhat.com, neelx@redhat.com,
oleksandr@natalenko.name, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [RFC PATCH v3] tick/sched: Ensure quiet_vmstat() is called when the idle tick was stopped too
Date: Mon, 25 Apr 2022 15:51:09 +0100 [thread overview]
Message-ID: <20220425145109.td4b7npcom4xgcli@ava.usersys.com> (raw)
In-Reply-To: <alpine.DEB.2.22.394.2204251603570.25814@gentwo.de>
On Mon 2022-04-25 16:06 +0200, Christoph Lameter wrote:
> It may depend though on how long the idle periods are. Do we have
> statistics on the duration? Always folding the vmstat deltas may also
> increase the length of the idle periods.
Unfortunately I do not. I noticed that this situation can occur via source
code and vmcore analysis.
Kind regards,
--
Aaron Tomlin
next prev parent reply other threads:[~2022-04-25 14:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-22 19:36 [RFC PATCH v3] tick/sched: Ensure quiet_vmstat() is called when the idle tick was stopped too Aaron Tomlin
2022-04-25 7:23 ` Christoph Lameter
2022-04-25 11:39 ` Aaron Tomlin
2022-04-25 12:09 ` Christoph Lameter
2022-04-25 13:27 ` Peter Zijlstra
2022-04-25 14:06 ` Christoph Lameter
2022-04-25 14:51 ` Aaron Tomlin [this message]
2022-04-25 14:57 ` Marcelo Tosatti
2022-04-25 14:17 ` Aaron Tomlin
2022-04-25 19:21 ` Marcelo Tosatti
2022-04-27 11:50 ` Aaron Tomlin
2022-04-27 14:40 ` Thomas Gleixner
2022-04-27 14:49 ` Aaron Tomlin
2022-04-28 18:10 ` Marcelo Tosatti
2022-05-04 9:32 ` Aaron Tomlin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220425145109.td4b7npcom4xgcli@ava.usersys.com \
--to=atomlin@redhat.com \
--cc=cl@gentwo.de \
--cc=frederic@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mingo@kernel.org \
--cc=mtosatti@redhat.com \
--cc=neelx@redhat.com \
--cc=oleksandr@natalenko.name \
--cc=pauld@redhat.com \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.