On 14/06/07, Ingo Molnar <[email protected]> wrote:
i'm pleased to announce release -v17 of the CFS scheduler patchset.
The rolled-up CFS patch against v2.6.22-rc4, v2.6.22-rc4-mm2, v2.6.21.5
or v2.6.20.13 can be downloaded from the usual place:
http://people.redhat.com/mingo/cfs-scheduler/
-v17 includes a bigger change: the CFS-core changes in preparation of
the group-scheduling feature, written Srivatsa Vaddagiri. Dmitry
Adamushko provided cleanups and further generalizations to this code and
the modularization of CFS has been further enhanced as a result. To
users, these changes are mostly invisible.
Changes since -v16:
- lots of core updates to support group scheduling, and related
cleanups. (Srivatsa Vaddagiri, Dmitry Adamushko)
- tuned the runtime-limit up a bit, based on relentless testing done by
Tobias Gerschner.
- the new, precise load-calculation method for SMP balancing has been
further enhanced, and is now active by default. (Dmitry Adamushko)
- fix SCHED_IDLEPRIO support (based on feedback from Thomas Sattler)
- further updates to /proc/sched_debug and /proc/PID/sched
- more cleanups
As usual, any sort of feedback, bugreport, fix and suggestion is more
than welcome!
Ingo
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Hi everyone,
I'm just writing to say how impressed I am with the new CFS scheduler.
I've been following it's development from the first patch, right up
to now (running on the latest vanilla kernel I could!) and I can
honestly say I've never had such a responsive experience.
I'm currently writing a major patch to the ext2 file-system driver, as
part of a University project - it involves a lot of kernel rebuilds as
I'm testing the patch in UML. I've had a couple of kernel compiles
happening simultaneously (on my moderate single CPU PC), and tried out
a few make -j12's, and I'm amazed at the difference the new scheduler
makes.
I've got quite a few instances of Firefox (whoops, Iceweasel) open,
I'm listening to music and theres a few other apps running (like KNode
the newsreader) and the interactivity response has been excellent.
In conclusion, well done to the scheduler people and I look forward to
seeing this go to mainline.
(If there's anything I can do to help, I'd love to throw a few patches
at the mailing list ;)
--
Regards,
Tom Spink
University of Edinburgh
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