Re: [BENCHMARK] 2.5.39-mm1

From: Jens Axboe (axboe@suse.de)
Date: Tue Oct 01 2002 - 05:16:25 EST

Next message: Jens Axboe: "Re: [ANNOUNCE] EVMS Release 1.2.0"
Previous message: Jens Axboe: "Re: [BENCHMARK] 2.5.39-mm1"
Next in thread: Con Kolivas: "Re: [BENCHMARK] 2.5.39-mm1"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

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/

Next message: Jens Axboe: "Re: [ANNOUNCE] EVMS Release 1.2.0"
Previous message: Jens Axboe: "Re: [BENCHMARK] 2.5.39-mm1"
Next in thread: Con Kolivas: "Re: [BENCHMARK] 2.5.39-mm1"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Mon Oct 07 2002 - 22:00:25 EST