Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758047AbXIRUcW (ORCPT ); Tue, 18 Sep 2007 16:32:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751167AbXIRUcO (ORCPT ); Tue, 18 Sep 2007 16:32:14 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:54898 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752758AbXIRUcN (ORCPT ); Tue, 18 Sep 2007 16:32:13 -0400 Date: Tue, 18 Sep 2007 22:22:43 +0200 From: Ingo Molnar To: dimm Cc: linux-kernel@vger.kernel.org, Srivatsa Vaddagiri Subject: Re: [git] CFS-devel, group scheduler, fixes Message-ID: <20070918202243.GD1632@elte.hu> References: <1190144190.5204.24.camel@earth> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1190144190.5204.24.camel@earth> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7-deb -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3881 Lines: 104 * dimm wrote: > [ well, don't expect to find here anything like RDCFS (no, 'D' does > not stand for 'dumb'!). I was focused on more prosaic things in the > mean time so just didn't have time for writing it.. ] > > here is a few cleanup/simplification/optimization(s) based on the > recent modifications in the sched-dev tree. > > (1) optimize task_new_fair() > (2) simplify yield_task() > (3) rework enqueue/dequeue_entity() to get rid of > sched_class::set_curr_task() the queue with your enhancements and simplifications applied looks good here, and it booted fine on two testboxes. I've updated the sched-devel.git tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel.git (below is the full shortlog over current upstream.) (I have not tested the group scheduling bits but perhaps Srivatsa would like to do that?) Ingo ------------------> Dmitry Adamushko (9): sched: clean up struct load_stat sched: clean up schedstat block in dequeue_entity() sched: sched_setscheduler() fix sched: add set_curr_task() calls sched: do not keep current in the tree and get rid of sched_entity::fair_key sched: yield-workaround update sched: optimize task_new_fair() sched: simplify sched_class::yield_task() sched: rework enqueue/dequeue_entity() to get rid of set_curr_task() Ingo Molnar (29): sched: fix new-task method sched: resched task in task_new_fair() sched: small sched_debug cleanup sched: debug: track maximum 'slice' sched: uniform tunings sched: use constants if !CONFIG_SCHED_DEBUG sched: remove stat_gran sched: remove precise CPU load sched: remove precise CPU load calculations #2 sched: track cfs_rq->curr on !group-scheduling too sched: cleanup: simplify cfs_rq_curr() methods sched: uninline __enqueue_entity()/__dequeue_entity() sched: speed up update_load_add/_sub() sched: clean up calc_weighted() sched: introduce se->vruntime sched: move sched_feat() definitions sched: optimize vruntime based scheduling sched: simplify check_preempt() methods sched: wakeup granularity fix sched: add se->vruntime debugging sched: sync up ->min_vruntime when going idle sched: add more vruntime statistics sched: debug: update exec_clock only when SCHED_DEBUG sched: remove wait_runtime limit sched: remove wait_runtime fields and features sched: x86: allow single-depth wchan output sched: yield workaround sched: fix delay accounting performance regression sched: disable START_DEBIT Matthias Kaehlcke (1): sched: use list_for_each_entry_safe() in __wake_up_common() Mike Galbraith (1): sched: fix SMP migration latencies Peter Zijlstra (7): sched: simplify SCHED_FEAT_* code sched: new task placement for vruntime sched: simplify adaptive latency sched: clean up new task placement sched: add tree based averages sched: handle vruntime overflow sched: better min_vruntime tracking Srivatsa Vaddagiri (1): sched: group-scheduler core arch/i386/Kconfig | 11 include/linux/sched.h | 24 - init/Kconfig | 9 kernel/sched.c | 544 ++++++++++++++++++++++++------------ kernel/sched_debug.c | 100 ++---- kernel/sched_fair.c | 752 ++++++++++++++++++++------------------------------ kernel/sched_rt.c | 4 kernel/sched_stats.h | 4 kernel/sysctl.c | 35 +- 9 files changed, 763 insertions(+), 720 deletions(-) - 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/