Re: [PATCH 1/1] sched/cputime: do not decrease steal time after live migration on xen

From: Peter Zijlstra
Date: Tue Oct 10 2017 - 07:59:16 EST


On Tue, Oct 10, 2017 at 05:14:08PM +0800, Dongli Zhang wrote:
> After guest live migration on xen, steal time in /proc/stat
> (cpustat[CPUTIME_STEAL]) might decrease because steal returned by
> paravirt_steal_clock() might be less than this_rq()->prev_steal_time.

So why not fix paravirt_steal_clock() to not be broken?