Hi,
I run a java application at nice 15. Its been a background application here for as long
as SD and CFS have been around. If I have a compile running at nice 0, with v19 java
gets so little cpu that the the wrapper that runs to monitor it is timing out waiting for
it to start. This is new in v19 - something in v19 is not meshing well with my mix
of applications...
Kernel is gentoo 2.6.22-r1 + cfs v19
How can I help to debug this?
Ed Tomlinson
On Friday 06 July 2007 13:33, Ingo Molnar wrote:
> i'm pleased to announce release -v19 of the CFS scheduler patchset.
>
> The rolled-up CFS patch against today's -git kernel, v2.6.22-rc7,
> v2.6.22-rc6-mm1, v2.6.21.5 or v2.6.20.14 can be downloaded from the
> usual place:
>
> http://people.redhat.com/mingo/cfs-scheduler/
>
> The biggest user-visible change in -v19 is reworked sleeper fairness:
> it's similar in behavior to -v18 but works more consistently across nice
> levels. Fork-happy workloads (like kernel builds) should behave better
> as well. There are also a handful of speedups: unsigned math, 32-bit
> speedups, O(1) task pickup, debloating and other micro-optimizations.
-
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