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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
