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ef08f0fff8
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>
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|---|---|---|
| .. | ||
| auto_group.c | ||
| auto_group.h | ||
| clock.c | ||
| completion.c | ||
| core.c | ||
| cpuacct.c | ||
| cpuacct.h | ||
| cpudeadline.c | ||
| cpudeadline.h | ||
| cpupri.c | ||
| cpupri.h | ||
| cputime.c | ||
| deadline.c | ||
| debug.c | ||
| fair.c | ||
| features.h | ||
| idle_task.c | ||
| Makefile | ||
| proc.c | ||
| rt.c | ||
| sched.h | ||
| stats.c | ||
| stats.h | ||
| stop_task.c | ||
| wait.c | ||