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Message-ID: <20070924214537.GA18980@elte.hu>
Date:	Mon, 24 Sep 2007 23:45:37 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	linux-kernel@...r.kernel.org
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Mike Galbraith <efault@....de>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	Dmitry Adamushko <dmitry.adamushko@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [git] CFS-devel, latest code


The latest sched-devel.git tree can be pulled from:
 
  git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel.git

Lots of scheduler updates in the past few days, done by many people. 
Most importantly, the SMP latency problems reported and debugged by Mike 
Galbraith should be fixed for good now.

I've also included the latest and greatest group-fairness scheduling 
patch from Srivatsa Vaddagiri, which can now be used without containers 
as well (in a simplified, each-uid-gets-its-fair-share mode). This 
feature (CONFIG_FAIR_USER_SCHED) is now default-enabled.

Peter Zijlstra has been busy enhancing the math of the scheduler: we've 
got the new 'vslice' forked-task code that should enable snappier shell 
commands during load while still keeping kbuild workloads in check.

On my testsystems this codebase starts looking like something that could 
be merged into v2.6.24, so please give it a good workout and let us know 
if there's anything bad going on. (If this works out fine then i'll 
propagate these changes back into the CFS backport, for wider testing.)

	Ingo

----------------------------------------->
the shortlog relative to 2.6.23-rc7:

Dmitry Adamushko (8):
      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: optimize task_new_fair()
      sched: simplify sched_class::yield_task()
      sched: rework enqueue/dequeue_entity() to get rid of set_curr_task()

Ingo Molnar (41):
      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: 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: fix delay accounting performance regression
      sched: prettify /proc/sched_debug output
      sched: enhance debug output
      sched: kernel/sched_fair.c whitespace cleanups
      sched: fair-group sched, cleanups
      sched: enable CONFIG_FAIR_GROUP_SCHED=y by default
      sched debug: BKL usage statistics
      sched: remove unneeded tunables
      sched debug: print settings
      sched debug: more width for parameter printouts
      sched: entity_key() fix
      sched: remove condition from set_task_cpu()
      sched: remove last_min_vruntime effect
      sched: undo some of the recent changes
      sched: fix place_entity()
      sched: fix sched_fork()

Matthias Kaehlcke (1):
      sched: use list_for_each_entry_safe() in __wake_up_common()

Mike Galbraith (2):
      sched: fix SMP migration latencies
      sched: fix formatting of /proc/sched_debug

Peter Zijlstra (10):
      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
      sched: add vslice
      sched debug: check spread
      sched: max_vruntime() simplification

Srivatsa Vaddagiri (7):
      sched: group-scheduler core
      sched: revert recent removal of set_curr_task()
      sched: fix minor bug in yield
      sched: print nr_running and load in /proc/sched_debug
      sched: print &rq->cfs stats
      sched: clean up code under CONFIG_FAIR_GROUP_SCHED
      sched: add fair-user scheduler

 arch/i386/Kconfig       |   11 
 include/linux/sched.h   |   45 +--
 init/Kconfig            |   21 +
 kernel/sched.c          |  547 +++++++++++++++++++++++++------------
 kernel/sched_debug.c    |  248 +++++++++++------
 kernel/sched_fair.c     |  692 +++++++++++++++++-------------------------------
 kernel/sched_idletask.c |    5 
 kernel/sched_rt.c       |   12 
 kernel/sched_stats.h    |    4 
 kernel/sysctl.c         |   22 -
 kernel/user.c           |   43 ++
 11 files changed, 906 insertions(+), 744 deletions(-)
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