Re: [RFC][PATCH 00/18] Increase resolution of load weights

From: Srivatsa Vaddagiri
Date: Thu Apr 28 2011 - 08:13:55 EST


On Thu, Apr 28, 2011 at 05:18:27PM +0530, Nikunj A. Dadhania wrote:
> --- kernel/sched.c.orig 2011-04-28 16:34:24.000000000 +0530
> +++ kernel/sched.c 2011-04-28 16:36:29.000000000 +0530
> @@ -1336,7 +1336,7 @@ calc_delta_mine(unsigned long delta_exec
> lw->inv_weight = 1 + (WMULT_CONST - w/2) / (w + 1);
> }
>
> - tmp = (u64)delta_exec * weight;
> + tmp = (u64)delta_exec * (weight >> SCHED_LOAD_RESOLUTION);

Should we be fixing inv_weight rather to account for SCHED_LOAD_RESOLUTION here?

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