Messages in this thread | | | Date | Tue, 24 Aug 2021 10:31:16 +0200 | From | Peter Zijlstra <> | Subject | Re: 5.14-rc breaks iotop swap io monitoring. |
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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.
If you need DELAYACCT I'm thinking:
e4042ad49235 ("delayacct: Default disabled")
and
0cd7c741f01d ("delayacct: Add sysctl to enable at runtime")
might be more relevant..
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