| From: |
| Ingo Molnar <mingo@elte.hu> |
| To: |
| linux-kernel@vger.kernel.org |
| Subject: |
| [patch] CFS scheduler, -v13 |
| Date: |
| Thu, 17 May 2007 19:45:33 +0200 |
| Cc: |
| Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Con Kolivas <kernel@kolivas.org>,
Nick Piggin <npiggin@suse.de>, Mike Galbraith <efault@gmx.de>,
Peter Williams <pwil3058@bigpond.net.au>,
Arjan van de Ven <arjan@infradead.org>,
Thomas Gleixner <tglx@linutronix.de> |
i'm pleased to announce release -v13 of the CFS scheduler patchset.
The CFS patch against v2.6.22-rc1, v2.6.21.1 or v2.6.20.10 can be
downloaded from the usual place:
http://people.redhat.com/mingo/cfs-scheduler/
-v13 is a fixes-only release. It fixes a smaller accounting bug, so if
you saw small lags during desktop use under certain workloads then
please re-check that workload under -v13 too. It also tweaks SMP
load-balancing a bit. (Note: the load-balancing artifact reported by
Peter Williams is not a CFS-specific problem and he reproduced it in
v2.6.21 too. Nevertheless -v13 should be less prone to such artifacts.)
I know about no open CFS regression at the moment, so please re-test
-v13 and if you still see any problem please re-report it. Thanks!
Changes since -v12:
- small tweak: made the "fork flow" of reniced tasks zero-sum
- debugging update: /proc/<PID>/sched is now seqfile based and echoing
0 to it clears the maximum-tracking counters.
- more debugging counters
- small rounding fix to make the statistical average of rounding errors
zero
- scale both the runtime limit and the granularity on SMP too, and make
it dependent on HZ
- misc cleanups
As usual, any sort of feedback, bugreport, fix and suggestion is more
than welcome,
Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/