On Tue, Oct 01 2002, Con Kolivas wrote:
> > > io_load:
> > > Kernel Time CPU Ratio
> > > 2.4.19 216.05 33% 3.19
> > > 2.5.38 887.76 8% 13.11
> > > 2.5.38-mm3 105.17 70% 1.55
> > > 2.5.39 229.4 34% 3.4
> > > 2.5.39-mm1 239.5 33% 3.4
> >
> > I think I'll set fifo_batch to 16 again...
> >
>
> And I'll happily benchmark it when you do.
Just take 2.5.39-mm1 sources, edit drivers/block/deadline-iosched.c and
set
static int fifo_batch = 16;
instead of the 32. -mm has them in sysctl too, iirc.
-- Jens Axboe- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon Oct 07 2002 - 22:00:25 EST