Re: [PATCH v5 3/3] sched/cputime: Add steal time support to full dynticks CPU time accounting

[Ingo Molnar]

* Wanpeng Li <kernellwp@xxxxxxxxx> wrote:

> From: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
> 
> This patch adds guest steal-time support to full dynticks CPU
> time accounting. After the following commit:
> 
> ff9a9b4c4334 ("sched, time: Switch VIRT_CPU_ACCOUNTING_GEN to jiffy granularity")
> 
> ... time sampling became jiffy based, even if it's still listened
> to ring boundaries, so steal_account_process_tick() is reused
> to account how many 'ticks' are stolen-time, after the last accumulation.

So the 'ring boundary' part still doesn't parse (neither grammatically nor 
logically) - please rephrase it because I have no idea what you want to say here.

Did you want to say:

> ... time sampling became jiffy based, even if it's still being context tracked, 
> so steal_account_process_tick() is reused to account how many 'ticks' are 
> stolen-time, after the last accumulation.

... which makes sense grammatically but does not make sense to me logically. :-/

Rik, Frederic, could you please help out?

Thanks,

	Ingo