On 27 Dec 2008, at 02:30 , Mateusz Guzik wrote:
on my system, I noticed that ps(1) is not showing the CPU#
correctly (it
always displays 0). There was a bug in it, and it was fetching
ki_estcpu
instead of ki_lastcpu.
From the man page:
cpu short-term CPU usage factor (for scheduling)
Apparently not last cpu's number. :) You're probably using SCHED_ULE -
this scheduler does not alter td_estcpu and that's why ps -o cpu gives
you only 0.
Ups :)
I got mislead with top showing the cpu on which process executes.
I find the information on which cpu is process/thread executed quite
useful for performance debugging. Maybe I should add it to ps as cpu#
or cpuno or cpuid?
Cheers,
Nikola
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