[Bug 513848] Re: [karmic] CPU load not being reported accurately
Peter Matulis
peter.matulis at canonical.com
Fri Mar 12 13:56:53 UTC 2010
Here are new screenshots for Jaunty and Karmic. Each test ran for a
good 25 minutes. I've also added a Karmic screenshot for 'top' showing
(some of) the threads associated with the single Java process. In
addition, I have copied my recent post (2010-03-10) to kernel-
team at lists.ubuntu.com :
--------
Can anyone tell me whether the Karmic kernel has implemented a different
way of what it considers a process (as opposed to threads)?
I have a situation where CPU load is zero on Karmic but considerably
higher in Jaunty and earlier.
The scenario is a single java process with many threads. The system has
4 cores and only one java process should logically produce a negligible
CPU load but why was this not the case with earlier kernels? Has
something changed in Karmic that would explain what I'm seeing?
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[karmic] CPU load not being reported accurately
https://bugs.launchpad.net/bugs/513848
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