Re: [PATCH v2 1/2] tick-sched: Do not clear the iowait and idle times

From: Thomas Gleixner
Date: Thu Sep 24 2020 - 16:41:51 EST


On Tue, Sep 15 2020 at 13:36, Tom Hromatka wrote:
> Prior to this commit, the cpu idle and iowait data in /proc/stat were
> cleared when a CPU goes down. When the CPU came back online, both idle
> and iowait times were restarted from 0.

Starting a commit message with 'Prior to this commit' is
pointless. Describe the factual problem which made you come up with this
change.

>
> This commit preserves the CPU's idle and iowait values when a CPU goes
> offline and comes back online.

'This commit does' is just a variation of 'This patch does'.

git grep 'This patch' Documentation/process/

Thanks,

tglx