Re: [PATCH v2 1/3] process cputimer is moving faster than itscorresponding clock

[Frederic Weisbecker]

2013/4/27 Olivier Langlois <olivier@xxxxxxxxxxxxxx>:
>
>
> Forbids the cputimer to drift ahead of its process clock by
> blocking its update when a tick occurs while a autoreaping task
> is currently in do_exit() between the call to release_task() and
> its final call to schedule().
>
> Any task stats update after having called release_task() will
> be lost because they are added to the global process stats located
> in the signal struct from release_task().
>
> Ideally, you should postpone the release_task() call after the
> final context switch to get all the stats added but this is
> more complex to achieve.
>
> In other words, this is slowing down the cputimer so it keep the same
> pace than the process clock but in fact, what should be done is to
> speed up the process clock by adding the missing stats to it.
>
> Signed-off-by: Olivier Langlois <olivier@xxxxxxxxxxxxxx>

Thanks.

Could you please resend these three patches in a new mail thread to
make reviews easier? Also it would be nice to propose a different
subject for each individual patch. Each of which describing what the
patch does in a few words.

Thanks.
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