On 03/19, Eric Dumazet wrote:
>
> [...snip...]
> do {
> utime = cputime_add(utime, t->utime);
> @@ -2040,6 +2045,8 @@ static void k_getrusage(struct task_stru
> r->ru_nivcsw += t->nivcsw;
> r->ru_minflt += t->min_flt;
> r->ru_majflt += t->maj_flt;
> + r->ru_inblock += task_io_get_inblock(t);
> + r->ru_oublock += task_io_get_oublock(t);
> t = next_thread(t);
> } while (t != p);
(offtopic)
We are reading u64 read_bytes/write_bytes which could be updated asynchronously.
/proc/pid/io does the same.
Of course, I don't blame this patch, just a stupid question: can we do
something?
I guess not.
Oleg.
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