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Nick Piggin a3f21bce1f [PATCH] sched: tweak affine wakeups 
Do less affine wakeups.  We're trying to reduce dbt2-pgsql idle time
regressions here...  make sure we don't don't move tasks the wrong way in an
imbalance condition.  Also, remove the cache coldness requirement from the
calculation - this seems to induce sharp cutoff points where behaviour will
suddenly change on some workloads if the load creeps slightly over or under
some point.  It is good for periodic balancing because in that case have
otherwise have no other context to determine what task to move.

But also make a minor tweak to "wake balancing" - the imbalance tolerance is
now set at half the domain's imbalance, so we get the opportunity to do wake
balancing before the more random periodic rebalancing gets preformed.

Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2005-06-25 16:24:41 -07:00
..
irq [PATCH] make various thing static 2005-06-24 00:06:43 -07:00
power [PATCH] swsusp: only allow it when it makes sense 2005-06-25 16:24:34 -07:00
Kconfig.hz [PATCH] i386: Selectable Frequency of the Timer Interrupt 2005-06-23 09:45:10 -07:00
Makefile [PATCH] ppc64: remove hidden -fno-omit-frame-pointer for schedule.c 2005-05-05 16:36:32 -07:00
acct.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
audit.c AUDIT: Unify auid reporting, put arch before syscall number 2005-05-23 21:35:28 +01:00
auditsc.c AUDIT: Record working directory when syscall arguments are pathnames 2005-05-27 12:17:28 +01:00
capability.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
compat.c [PATCH] Fix get_compat_sigevent() 2005-04-16 15:24:01 -07:00
configs.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cpu.c [PATCH] i386 CPU hotplug 2005-06-25 16:24:29 -07:00
cpuset.c [PATCH] remove duplicate get_dentry functions in various places 2005-06-23 09:45:20 -07:00
dma.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
exec_domain.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
exit.c [PATCH] Optimize sys_times for a single thread process 2005-06-23 09:45:30 -07:00
extable.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
fork.c [PATCH] dup_mmap: update comment on new vma 2005-06-21 18:46:19 -07:00
futex.c [PATCH] convert that currently tests _NSIG directly to use valid_signal() 2005-05-01 08:59:14 -07:00
intermodule.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
itimer.c [PATCH] setitimer timer expires too early 2005-05-05 16:36:41 -07:00
kallsyms.c [PATCH] ppc32: platform-specific functions missing from kallsyms. 2005-05-05 16:36:31 -07:00
kfifo.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kmod.c [PATCH] Keys: Pass session keyring to call_usermodehelper() 2005-06-24 00:05:18 -07:00
kprobes.c [PATCH] jprobes: allow a jprobe to coexist with muliple kprobes 2005-06-23 09:45:25 -07:00
ksysfs.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kthread.c [PATCH] use smp_mb/wmb/rmb where possible 2005-05-01 08:58:47 -07:00
module.c [PATCH] make various thing static 2005-06-24 00:06:43 -07:00
panic.c [SPARC]: Stop-A printk cleanup 2005-04-24 20:38:02 -07:00
params.c [PATCH] sysfs: (rest) if show/store is missing return -EIO 2005-06-20 15:15:03 -07:00
pid.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
posix-cpu-timers.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
posix-timers.c [PATCH] posix-timers: use try_to_del_timer_sync() 2005-06-23 09:45:17 -07:00
printk.c [PATCH] CPU hotplug printk fix 2005-06-25 16:24:34 -07:00
profile.c [PATCH] profile.c: `schedule' parsing fix 2005-05-17 07:59:21 -07:00
ptrace.c [PATCH] convert that currently tests _NSIG directly to use valid_signal() 2005-05-01 08:59:14 -07:00
rcupdate.c [PATCH] Deprecate synchronize_kernel, GPL replacement 2005-05-01 08:59:04 -07:00
resource.c [PATCH] pci enumeration on ixp2000: overflow in kernel/resource.c 2005-04-16 15:25:58 -07:00
sched.c [PATCH] sched: tweak affine wakeups 2005-06-25 16:24:41 -07:00
seccomp.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
signal.c [PATCH] Software suspend and recalc sigpending bug fix 2005-06-23 09:45:27 -07:00
softirq.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
spinlock.c [PATCH] spin_unlock_bh() and preempt_check_resched() 2005-05-21 10:46:48 -07:00
stop_machine.c [PATCH] smp_processor_id() cleanup 2005-06-21 18:46:13 -07:00
sys.c [PATCH] properly stop devices before poweroff 2005-06-25 16:24:33 -07:00
sys_ni.c [PATCH] VM: early zone reclaim 2005-06-21 18:46:14 -07:00
sysctl.c [PATCH] setuid core dump 2005-06-23 09:45:26 -07:00
time.c [PATCH] time interpolator: Fix settimeofday inaccuracy 2005-04-28 08:13:58 -07:00
timer.c [PATCH] preempt_count is int - remove cast and don't assign to unsigned type 2005-06-23 09:45:19 -07:00
uid16.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
user.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
wait.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
workqueue.c [PATCH] re-export cancel_rearming_delayed_workqueue 2005-04-16 15:23:59 -07:00