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SubjectRe: [PATCH 1/7] posix-cpu-timers: don't account cpu timer after stopped thread runtime accounting
>> +     /*
>> + * After turning over se.sum_exec_runtime to sig->sum_sched_runtime
>> + * in __exit_signal(), we must not account exec_runtime for consistency.
>> + */
>> + if (unlikely(!tsk->sighand))
>> + return;
>
> Ok, if we want the clock and timer to be consistent, do we also want the same check in
> account_group_user_time() and account_group_system_time()? The task can still account
> a tick after autoreaping itself between release_task() and the final schedule().

You are right.

That said, current the man pages don't describe this linux specific
extensions. So, nobody
(glibc, ltp, and me) tested them. Please give me a couple of days.
I'll test and fix this features
too.

timer_create(2): http://man7.org/linux/man-pages/man2/timer_create.2.html


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