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Siddha, Suresh B 46cb4b7c88 sched: dynticks idle load balancing ... Fix the process idle load balancing in the presence of dynticks. cpus for which ticks are stopped will sleep till the next event wakes it up. Potentially these sleeps can be for large durations and during which today, there is no periodic idle load balancing being done. This patch nominates an owner among the idle cpus, which does the idle load balancing on behalf of the other idle cpus. And once all the cpus are completely idle, then we can stop this idle load balancing too. Checks added in fast path are minimized. Whenever there are busy cpus in the system, there will be an owner(idle cpu) doing the system wide idle load balancing. Open items: 1. Intelligent owner selection (like an idle core in a busy package). 2. Merge with rcu's nohz_cpu_mask? Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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Kconfig	…
Makefile	…
clockevents.c	…
clocksource.c	…
jiffies.c	…
ntp.c	…
tick-broadcast.c	…
tick-common.c	highres/dyntick: prevent xtime lock contention	18 years ago
tick-internal.h	highres/dyntick: prevent xtime lock contention	18 years ago
tick-oneshot.c	…
tick-sched.c	sched: dynticks idle load balancing	18 years ago
timekeeping.c	…
timer_list.c	…
timer_stats.c	…