On Fri, 08 Dec 2006 13:04:15 +0100
Eric Dumazet <[email protected]> wrote:
> [email protected] a écrit :
> > From: Andrew Morton <[email protected]>
> >
> > The present per-task IO accounting isn't very useful. It simply counts the
> > number of bytes passed into read() and write(). So if a process reads 1MB
> > from an already-cached file, it is accused of having performed 1MB of I/O,
> > which is wrong.
>
> Any chance we can report some io accounting values in getresource()/wait4()...
> too ?
That sounds logical.
> # /usr/bin/time find /usr -name 'foo'
> 0.24user 0.22system 0:00.70elapsed 66%CPU (0avgtext+0avgdata 0maxresident)k
> 0inputs+0outputs (0major+222minor)pagefaults 0swaps
But where? ri_inblock and ru_outblock seem to be count-of-operations, not
number-of-bytes.
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