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0c2de3f054a59f15e01804b75a04355c48de628c
linux/kernel/sched
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Peter Zijlstra 0c2de3f054 sched,fair: Alternative sched_slice() 
The current sched_slice() seems to have issues; there's two possible
things that could be improved:

 - the 'nr_running' used for __sched_period() is daft when cgroups are
   considered. Using the RQ wide h_nr_running seems like a much more
   consistent number.

 - (esp) cgroups can slice it real fine, which makes for easy
   over-scheduling, ensure min_gran is what the name says.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Valentin Schneider <valentin.schneider@arm.com>
Link: https://lkml.kernel.org/r/20210412102001.611897312@infradead.org
2021-04-16 17:06:35 +02:00
..
autogroup.c
sched/autogroup: Make autogroup_path() always available
2019-06-24 19:23:40 +02:00
autogroup.h
sched/headers: Simplify and clean up header usage in the scheduler
2018-03-04 12:39:29 +01:00
clock.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
completion.c
completion: Use lockdep_assert_RT_in_threaded_ctx() in complete_all()
2020-03-23 18:40:25 +01:00
core.c
sched,preempt: Move preempt_dynamic to debug.c
2021-04-16 17:06:34 +02:00
cpuacct.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
cpudeadline.c
sched,rt: Use the full cpumask for balancing
2020-11-10 18:39:00 +01:00
cpudeadline.h
sched/headers: Simplify and clean up header usage in the scheduler
2018-03-04 12:39:29 +01:00
cpufreq_schedutil.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
cpufreq.c
cpufreq: Avoid leaving stale IRQ work items during CPU offline
2019-12-12 17:59:43 +01:00
cpupri.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
cpupri.h
sched/cpupri: Add CPUPRI_HIGHER
2020-10-29 11:00:30 +01:00
cputime.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
deadline.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
debug.c
sched: Move /proc/sched_debug to debugfs
2021-04-16 17:06:35 +02:00
fair.c
sched,fair: Alternative sched_slice()
2021-04-16 17:06:35 +02:00
features.h
sched,fair: Alternative sched_slice()
2021-04-16 17:06:35 +02:00
idle.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
isolation.c
isolcpus: Affine unbound kernel threads to housekeeping cpus
2020-06-15 14:10:03 +02:00
loadavg.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
Makefile
kcsan: Improve various small stylistic details
2019-11-20 10:47:23 +01:00
membarrier.c
sched/membarrier: fix missing local execution of ipi_sync_rq_state()
2021-03-06 12:40:21 +01:00
pelt.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
pelt.h
sched: Fix various typos
2021-03-22 00:11:52 +01:00
psi.c
psi: allow unprivileged users with CAP_SYS_RESOURCE to write psi files
2021-04-08 23:09:44 +02:00
rt.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
sched-pelt.h
sched/fair: Fix "runnable_avg_yN_inv" not used warnings
2019-06-17 12:15:58 +02:00
sched.h
sched,debug: Convert sysctl sched_domains to debugfs
2021-04-16 17:06:35 +02:00
smp.h
sched/headers: Split out open-coded prototypes into kernel/sched/smp.h
2020-05-28 11:03:20 +02:00
stats.c
sched: Fix various typos
2021-03-22 00:11:52 +01:00
stats.h
psi: Optimize task switch inside shared cgroups
2021-03-06 12:40:23 +01:00
stop_task.c
sched: Remove select_task_rq()'s sd_flag parameter
2020-11-10 18:39:06 +01:00
swait.c
sched/swait: Prepare usage in completions
2020-03-21 16:00:23 +01:00
topology.c
sched,debug: Convert sysctl sched_domains to debugfs
2021-04-16 17:06:35 +02:00
wait_bit.c
sched/wait: fix ___wait_var_event(exclusive)
2019-12-17 13:32:50 +01:00
wait.c
sched/wait: Add add_wait_queue_priority()
2020-11-15 09:49:09 -05:00