Re: [patch] O(1) scheduler, -D1, 2.5.2-pre9, 2.4.17

Ingo Molnar
2002-01-09T19:26:53Z

On Wed, 9 Jan 2002, Davide Libenzi wrote:

> the niced -20 vmstat has not been run for the whole test time and the
[...]

> Ingo for the duration of the test the `nice -n 20 vmstat -n 1` never
> run for about the 20 seconds. With the swap_cnt correction it ran for
> 5-6 times.

no wonder, it should be 'nice -n -20 vmstat -n 1'. And you should also do
a 'renice -20 $$ $PPID' before running vmstat. (if you are about to run
comparisons, i'd suggest the -G1 patch so you'll have all the recent
fixes.)

Ingo