Messages in this thread | | | Date | Mon, 19 Mar 2007 17:37:23 +0300 | From | Oleg Nesterov <> | Subject | Re: [PATCH, take3] getrusage() : Fill ru_inblock and ru_oublock fields if possible |
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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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