On Wednesday 12 April 2006 20:39, Al Boldi wrote:
> Con Kolivas wrote:
> > Installed and tested here just now. They run smoothly concurrently here.
> > Are you testing on staircase15?
>
> staircase14.2-test3. Are you testing w/ DRM? If not then all mesa
> requests will be queued into X, and then runs as one task (check top d.1)
Nvidia driver; all separate tasks in top.
> Try ping -A (10x). top d.1 should show skewed times. If you have a fast
> machine, you may have to increase the load.
Ran for a bit over 10 mins outside of X to avoid other tasks influencing
results. I was too lazy to go to init 1.
ps -eALo pid,spid,user,priority,ni,pcpu,vsize,time,args
15648 15648 root 39 0 9.2 1740 00:01:03 ping -A localhost
15649 15649 root 28 0 9.8 1740 00:01:06 ping -A localhost
15650 15650 root 39 0 9.9 1744 00:01:07 ping -A localhost
15651 15651 root 39 0 9.3 1740 00:01:03 ping -A localhost
15652 15652 root 39 0 10.3 1740 00:01:10 ping -A localhost
15653 15653 root 39 0 10.8 1740 00:01:13 ping -A localhost
15654 15654 root 39 0 10.0 1740 00:01:08 ping -A localhost
15655 15655 root 39 0 10.5 1740 00:01:11 ping -A localhost
15656 15656 root 39 0 9.9 1740 00:01:07 ping -A localhost
15657 15657 root 39 0 10.2 1740 00:01:09 ping -A localhost
mean 68.7 seconds
range 63-73 seconds.
For a load that wakes up so frequently for such a short period of time I think
that is pretty fair cpu distribution over 10 mins. Over shorter periods top
is hopeless at representing accurate cpu usage, especially at low HZ settings
of the kernel. You can see the current cpu distribution on ps there is pretty
consistent across the tasks and gives what I consider quite a fair cpu
distribution over 10 mins.
--
-ck
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