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2016-11-12Revert all non-scheduler related timeout changes in the kernel.ckolivas
Too many assumptions are made in the kernel about timeout behaviour and many calls are not properly made freezer safe. The scheduler changes should not own this issue.
2016-11-11vtime_init_idle is missing from init_idle in muqss.Con Kolivas
2016-11-11Only force a direct schedule in __set_cpus_allowed_ptr on kthreads.ckolivas
2016-11-11Remove unnecessary calls to get/put online_cpus in sched_setaffinity.ckolivas
2016-11-08Make freezable timeouts not use the highres timers.Con Kolivas
2016-11-05Bump MuQSS version to 0.1354.8-muqss-135Con Kolivas
2016-11-05Kick out of the idle loop if there are softirqs pending, avoiding trying to ↵Con Kolivas
call nohz idle and service them on exit from schedule.
2016-11-05Remove check for codepath which is no longer hit.Con Kolivas
2016-11-05Don't reschedule balance across nodes unless a CPU is idle.Con Kolivas
2016-11-05Remove unnecessary check in edt()Con Kolivas
2016-11-04Replace all calls to schedule_timeout_uninterruptible of potentially under ↵Con Kolivas
50ms to use schedule_msec_hrtimeout_uninterruptible
2016-11-04Replace all calls to schedule_timeout_interruptible of potentially under ↵Con Kolivas
50ms to use schedule_msec_hrtimeout_interruptible.
2016-11-04Change all schedule_timeout with msecs_to_jiffies potentially under 50ms to ↵Con Kolivas
use schedule_msec_hrtimeout.
2016-11-04Replace all schedule_timeout(1) with schedule_min_hrtimeout().Con Kolivas
2016-11-04Convert msleep to use hrtimers when active.Con Kolivas
2016-11-04Special case only schedule_timeouts of 1 to use highres timeouts of 1ms.Con Kolivas
2016-11-04Add functions for min and msec hrtimeout un/interruptible.Con Kolivas
2016-11-01Use high resolution timers in place of regular ones whenever possible on ↵Con Kolivas
muqss since they are mandatory and low Hz is recommended.
2016-10-31Unset base is idle in next_timer_event based on hrtimers as well.Con Kolivas
2016-10-31Add a dodgy workaround to do pending softirqs if we detect them upon a ↵Con Kolivas
runqueue going idle.
2016-10-29Bump MuQSS version to 0.1204.8-muqss-120Con Kolivas
2016-10-29Complete MuQSS documentation.Con Kolivas
2016-10-29Revert BFS documentation to original version prior to the beginning of its ↵Con Kolivas
MuQSS evolution for historical reference.
2016-10-28Don't warn on calling hrexpiry from another CPU.Con Kolivas
2016-10-28When one CPU has all the load, make it report its load ramping up quickly to ↵Con Kolivas
benefit more from turbo modes.
2016-10-28Start ticks on a CPU going offlineCon Kolivas
2016-10-28Fix various combinations of irq accounting and dynticks config by relying on ↵Con Kolivas
the existing code in cputime.c and removing it from MuQSS.c.
2016-10-28QNR count is redundant now on MuQSS.Con Kolivas
2016-10-28Don't default to context tracking force on sched muqss.Con Kolivas
2016-10-28Use niffies in update load avg and include iowait in load.Con Kolivas
2016-10-28Set default HZ to 100Con Kolivas
2016-10-28Reenable masked out Kconfig options for MuQSS that no longer apply.Con Kolivas
2016-10-27Create full nohz support regardless of load when highres timers are active ↵ckolivas
since we are not dependent on the timer tick at all.
2016-10-27Add high res timeslice expiry when available, increasing resolution of ↵ckolivas
highres timers to 100us to make low latency possible with low Hz values (i.e. 100Hz), retaining the benefit of the increased throughput low Hz values provide.
2016-10-25Account for unaccounted CPU time in wunt before distributing time_slice to ↵Con Kolivas
child.
2016-10-25Lock rq in do_set_cpus_allowed before resched_task.Con Kolivas
2016-10-25Revert "There is no need to expire timeslice in sched yield now that the ↵Con Kolivas
latency/accounting bug has been fixed." This reverts commit 04a890aaf847e7eceb65b568958379d35dc7ad3c. Wrong again.
2016-10-25Revert task_cpu test against wake_cpu in set_task_cpu.Con Kolivas
2016-10-24Bump MuQSS version to 0.1164.8-muqss-116Con Kolivas
2016-10-24There is no need to expire timeslice in sched yield now that the ↵Con Kolivas
latency/accounting bug has been fixed.
2016-10-24Fix niffies not being updated in scheduler_tick leading to unfair CPU ↵Con Kolivas
distribution and latency outliers. Bug tracked down with the extensive help of Serge Belyshev.
2016-10-23Set deadline and time slice on idle for first forked tasks (worker threads) ↵Con Kolivas
to inherit sensible values.
2016-10-23Revert the damage caused by 6b45f1f363d7f6959b648cf49252f378022d11c6 and ↵Con Kolivas
dependent patches.
2016-10-23Check_siblings was accidentally removed from schedule() leading to ↵Con Kolivas
misbehaving niced/idleprio tasks on SMT.
2016-10-22Bump MuQSS version to 0.1154.8-muqss-115Con Kolivas
2016-10-22Fix incorrect cpu being returned in select_best_cpu which would lead to boot ↵Con Kolivas
failures.
2016-10-22Make the cpu_idle_map cacheline aligned.Con Kolivas
2016-10-22Resched when needed after calling do_set_cpus_allowed from outside the ↵Con Kolivas
scheduler code, consolidating smp_send_reschedule to only be called if the remote CPU is online.
2016-10-22We have nr_running now for rq load.Con Kolivas
2016-10-22Provide unique low overhead edt function for UP.Con Kolivas
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