Thread (18 messages) 18 messages, 3 authors, 2021-06-23

Re: [powerpc][next-20210621] WARNING at kernel/sched/fair.c:3277 during boot

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From: Odin Ugedal <hidden>
Date: 2021-06-23 12:37:55
Also in: linux-next, lkml

ons. 23. jun. 2021 kl. 14:22 skrev Vincent Guittot [off-list ref]:
In theory it should not because _sum should be always larger or equal
to _avg * divider. Otherwise, it means that we have something wrong
somewhere else
Yeah, that might be the case. Still trying to wrap my head around
this. I might be wrong, but isn't there a possibility
that avg->period_contrib is increasing in PELTs accumulate_sum,
without _sum is increasing. This makes the pelt divider increase,
making the statement "_sum should be always larger or equal to _avg *"
false? Or am I missing something obvious here?

Still unable to reproduce what Sachin is reporting tho.

Odin
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