iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/kernel/sched
History
Peter Zijlstra ef08f0fff8 sched/clock: Remove local_irq_disable() from the clocks 
Now that x86 no longer requires IRQs disabled for sched_clock() and
ia64 never had this requirement (it doesn't seem to do cpufreq at
all), we can remove the requirement of disabling IRQs.

                        MAINLINE   PRE        POST

    sched_clock_stable: 1          1          1
    (cold) sched_clock: 329841     257223     221876
    (cold) local_clock: 301773     309889     234692
    (warm) sched_clock: 38375      25280      25602
    (warm) local_clock: 100371     85268      33265
    (warm) rdtsc:       27340      24247      24214
    sched_clock_stable: 0          0          0
    (cold) sched_clock: 382634     301224     235941
    (cold) local_clock: 396890     399870     297017
    (warm) sched_clock: 38194      25630      25233
    (warm) local_clock: 143452     129629     71234
    (warm) rdtsc:       27345      24307      24245

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/n/tip-36e5kohiasnr106d077mgubp@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-01-13 15:13:11 +01:00
..
auto_group.c
sched/autogroup: Fix race with task_groups list
2013-05-28 09:40:22 +02:00
auto_group.h
Revert "sched/autogroup: Fix crash on reboot when autogroup is disabled"
2012-12-11 10:23:45 +01:00
clock.c
sched/clock: Remove local_irq_disable() from the clocks
2014-01-13 15:13:11 +01:00
completion.c
sched: Move completion code from core.c to completion.c
2013-11-06 07:49:19 +01:00
core.c
sched: Reduce trigger_load_balance() parameters
2014-01-13 13:47:26 +01:00
cpuacct.c
cgroup: pass around cgroup_subsys_state instead of cgroup in file methods
2013-08-08 20:11:24 -04:00
cpuacct.h
sched/cpuacct: Initialize root cpuacct earlier
2013-04-10 13:54:20 +02:00
cpudeadline.c
sched/deadline: speed up SCHED_DEADLINE pushes with a push-heap
2014-01-13 13:46:46 +01:00
cpudeadline.h
sched/deadline: speed up SCHED_DEADLINE pushes with a push-heap
2014-01-13 13:46:46 +01:00
cpupri.c
sched: Fix some kernel-doc warnings
2013-07-18 09:58:21 +02:00
cpupri.h
…
cputime.c
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2013-09-05 12:36:46 -07:00
deadline.c
sched/deadline: Remove the sysctl_sched_dl knobs
2014-01-13 13:47:23 +01:00
debug.c
sched/numa: Use wrapper function task_node to get node which task is on
2013-12-17 15:24:39 +01:00
fair.c
sched: Factor out the on_null_domain() checks in trigger_load_balance()
2014-01-13 13:47:35 +01:00
features.h
sched/numa: Resist moving tasks towards nodes with fewer hinting faults
2013-10-09 12:40:27 +02:00
idle_task.c
sched/numa: Introduce migrate_swap()
2013-10-09 12:40:46 +02:00
Makefile
sched/deadline: speed up SCHED_DEADLINE pushes with a push-heap
2014-01-13 13:46:46 +01:00
proc.c
sched: Change get_rq_runnable_load() to static and inline
2013-06-27 10:07:44 +02:00
rt.c
sched/deadline: Add SCHED_DEADLINE SMP-related data structures & logic
2014-01-13 13:41:07 +01:00
sched.h
sched: Reduce trigger_load_balance() parameters
2014-01-13 13:47:26 +01:00
stats.c
fix a leak in /proc/schedstats
2013-04-29 15:41:45 -04:00
stats.h
sched: Micro-optimize by dropping unnecessary task_rq() calls
2013-09-25 13:51:06 +02:00
stop_task.c
sched/deadline: Add SCHED_DEADLINE structures & implementation
2014-01-13 13:41:06 +01:00
wait.c
sched: Move wait code from core.c to wait.c
2013-11-06 07:49:18 +01:00