Rafael J. Wysocki 87c9fe6ee4 cpuidle: menu: Avoid selecting shallow states with stopped tick ... If the scheduler tick has been stopped already and the governor selects a shallow idle state, the CPU can spend a long time in that state if the selection is based on an inaccurate prediction of idle time. That effect turns out to be relevant, so it needs to be mitigated. To that end, modify the menu governor to discard the result of the idle time prediction if the tick is stopped and the predicted idle time is less than the tick period length, unless the tick timer is going to expire soon. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>		2018-04-09 11:54:57 +02:00
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governors	cpuidle: menu: Avoid selecting shallow states with stopped tick	2018-04-09 11:54:57 +02:00
coupled.c
cpuidle-arm.c	ARM: cpuidle: Drop memory allocation error message from arm_idle_init_cpu()	2018-03-05 12:39:32 +01:00
cpuidle-at91.c
cpuidle-big_little.c
cpuidle-calxeda.c
cpuidle-clps711x.c
cpuidle-cps.c
cpuidle-exynos.c	cpuidle: Enable coupled cpuidle support on Exynos3250 platform	2018-03-29 13:06:08 +02:00
cpuidle-kirkwood.c
cpuidle-mvebu-v7.c
cpuidle-powernv.c
cpuidle-pseries.c	powerpc/pseries/cpuidle: add polling idle for shared processor guests	2018-01-18 15:43:44 +11:00
cpuidle-ux500.c
cpuidle-zynq.c
cpuidle.c	cpuidle: Return nohz hint from cpuidle_select()	2018-04-06 09:29:34 +02:00
cpuidle.h
driver.c
dt_idle_states.c
dt_idle_states.h
governor.c
Kconfig
Kconfig.arm
Kconfig.mips
Kconfig.powerpc
Makefile
poll_state.c	cpuidle: poll_state: Avoid invoking local_clock() too often	2018-03-29 13:06:08 +02:00
sysfs.c	PM: cpuidle/suspend: Add s2idle usage and time state attributes	2018-03-29 13:06:08 +02:00