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android_kernel_motorola_sm6375/kernel/sched
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Repository files (latest commit first)
Filename Latest commit message Latest commit date
Syed Rameez Mustafa 61f31539cf sched: turn off the TTWU_QUEUE feature 
While the feature TTWU_QUEUE has the advantage of reducing cache
bouncing of runqueue locks, it has the side effect that runqueue
statistics are not updated until the remote CPU has a chance to
enqueue the task. Since there is no upper bound on the amount of
time it can take the remote CPU to enqueue the task, several
sequential wakeups can result in suboptimal task placement based
on the stale statistics. Turn off the feature as the cost of
sub-optimal placement is much higher than the cost of cache bouncing
spinlocks for msm based systems.

Change-Id: I0b85c0225237b2bc44f54934769f5e3750c0f3d6
Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
[satyap@codeaurora.org: fix trivial merge conflict]
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
2019-12-04 16:27:54 -08:00
..
autogroup.c sched/autogroup: Make autogroup_path() always available 2019-06-24 19:23:40 +02:00
autogroup.h
clock.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
completion.c
core.c sched: Introduce PANIC_ON_SCHED_BUG 2019-12-04 16:27:53 -08:00
cpuacct.c
cpudeadline.c Linux 5.2-rc5 2019-06-17 12:12:27 +02:00
cpudeadline.h
cpufreq.c sched/cpufreq: Annotate cpufreq_update_util_data pointer with __rcu 2019-04-03 12:34:31 +02:00
cpufreq_schedutil.c Power management updates for 5.4-rc1 2019-09-17 19:15:14 -07:00
cpupri.c Linux 5.2-rc5 2019-06-17 12:12:27 +02:00
cpupri.h
cputime.c Linux 5.4-rc3 2019-10-17 05:28:13 -07:00
deadline.c Revert "Revert "sched: Rework pick_next_task() slow-path"" 2019-11-11 06:09:50 +01:00
debug.c Linux 5.2-rc6 2019-06-24 19:19:53 +02:00
fair.c Linux 5.4-rc8 2019-11-18 08:31:11 +01:00
features.h sched: turn off the TTWU_QUEUE feature 2019-12-04 16:27:54 -08:00
idle.c Revert "Revert "sched: Rework pick_next_task() slow-path"" 2019-11-11 06:09:50 +01:00
isolation.c sched/isolation: Prefer housekeeping CPU in local node 2019-07-25 15:51:55 +02:00
loadavg.c sched: loadavg: make calc_load_n() public 2018-10-26 16:26:32 -07:00
Makefile psi: pressure stall information for CPU, memory, and IO 2018-10-26 16:26:32 -07:00
membarrier.c UPSTREAM: fix "sched/membarrier: Fix p->mm->membarrier_state racy load" 2019-10-02 19:13:20 +02:00
pelt.c sched/debug: Add new tracepoint to track PELT at se level 2019-06-24 19:23:42 +02:00
pelt.h sched/topology: Remove unused 'sd' parameter from arch_scale_cpu_capacity() 2019-06-24 19:23:39 +02:00
psi.c Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-09-16 17:25:49 -07:00
rt.c Revert "Revert "sched: Rework pick_next_task() slow-path"" 2019-11-11 06:09:50 +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 Linux 5.4-rc7 2019-11-11 06:10:55 +01:00
stats.c
stats.h sched/stats: Fix unlikely() use of sched_info_on() 2019-07-25 15:51:55 +02:00
stop_task.c Revert "Revert "sched: Rework pick_next_task() slow-path"" 2019-11-11 06:09:50 +01:00
swait.c kernel/sched/: remove caller signal_pending branch predictions 2019-01-04 13:13:48 -08:00
topology.c Linux 5.4-rc6 2019-11-04 06:51:47 +01:00
wait.c sched/wait: Deduplicate code with do-while 2019-06-24 19:23:40 +02:00
wait_bit.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00