From: Dave Jones <davej@codemonkey.org.uk>
To: Linux Kernel <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: 5.14-rc breaks iotop swap io monitoring.
Date: Mon, 23 Aug 2021 23:18:58 -0400 [thread overview]
Message-ID: <20210824031858.GA3263@codemonkey.org.uk> (raw)
In-Reply-To: <20210824031648.GA2725@codemonkey.org.uk>
On Mon, Aug 23, 2021 at 11:16:48PM -0400, Dave Jones wrote:
> I just noticed that in 5.14-rc running iotop, it complains on startup
> that "CONFIG_TASK_DELAY_ACCT not enabled in kernel, cannot determine
> SWAPIN and IO %" and sure enough a bunch of columns show up as
> 'unavailable'.
>
> My suspicion is this commit, which I've not confirmed yet as it doesn't
> cleanly revert. I'll poke at it some more in the morning, but figured
> I'd bring it up sans-evidence in the hope that I'll wake up to someone
> having an Ah-ha moment.
Forgot to mention, my config has both SCHEDSTATS, SCHED_INFO and TASK_DELAY_ACCT set
to =y
Dave
next prev parent reply other threads:[~2021-08-24 3:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-24 3:16 5.14-rc breaks iotop swap io monitoring Dave Jones
2021-08-24 3:18 ` Dave Jones [this message]
2021-08-24 8:31 ` Peter Zijlstra
2021-08-24 15:19 ` Dave Jones
2021-08-24 16:34 ` Linus Torvalds
2021-08-24 17:35 ` Peter Zijlstra
2021-08-24 21:33 ` Dave Jones
2021-08-24 23:26 ` Linus Torvalds
2021-08-25 0:29 ` Dave Jones
2021-08-25 7:36 ` Peter Zijlstra
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