From: Peter Zijlstra <peterz@infradead.org>
To: David Stevens <stevensd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Suren Baghdasaryan <surenb@google.com>,
Ingo Molnar <mingo@redhat.com>,
K Prateek Nayak <kprateek.nayak@amd.com>,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] sched/psi: clamp negative cpu_clock() skew
Date: Tue, 29 Sep 2026 10:17:40 +0200 [thread overview]
Message-ID: <20260929081740.GH4121620@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20260929081004.GS4120091@noisy.programming.kicks-ass.net>
On Tue, Sep 29, 2026 at 10:10:04AM +0200, Peter Zijlstra wrote:
> > When running browser workloads on an Intel N100 with a sustained
> > psi.mem.some of 2-3%, this underflow is observed once every couple of
> > hours.
Reading is hard. This is sad, that's a relatively modern chip :-(
prev parent reply other threads:[~2026-09-29 8:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-28 23:37 David Stevens
2026-09-29 8:10 ` Peter Zijlstra
2026-09-29 8:17 ` Peter Zijlstra [this message]
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=20260929081740.GH4121620@noisy.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=hannes@cmpxchg.org \
--cc=kprateek.nayak@amd.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=stable@vger.kernel.org \
--cc=stevensd@google.com \
--cc=surenb@google.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®