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Date
SubjectRe: [git pull] scheduler changes for v2.6.26
From
From: Kevin Winchester <kjwinchester@gmail.com>
Date: Tue, 22 Apr 2008 06:41:47 -0300

> kevin@alekhine:~/linux$ ./watch-rq-clock.sh
> 89.986517
> 81.033471
> 76.942776
> 90.986318
> 75.988551
> 85.987089
> 74.988696
> 85.987078
> 73.988858
> 88.986641
> 68.989600

The results on my 128-cpu Niagara2 box are even more interesting:

davem@maramba:~$ /bin/bash ./watch-rq-clock.sh
0
0
0
0
0
0
0
0
0
0
0
0
0
...

I guess this script doesn't work correctly when the cpu
whose clock value it greps out of /proc/sched_debug is
in NOHZ mode?


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