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| author | Thara Gopinath <thara.gopinath@linaro.org> | 2020-02-21 19:52:10 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-03-06 12:57:20 +0100 |
| commit | b4eccf5f8e1dcade112d97be86ad455a94501a0f (patch) | |
| tree | b3d3be643d35958da735a2d75990da295ac277f5 /kernel/sched/core.c | |
| parent | 8eab879c5463d1a16a314790764c4c9d6c74c64c (diff) | |
| download | linux-b4eccf5f8e1dcade112d97be86ad455a94501a0f.tar.bz2 | |
sched/fair: Enable periodic update of average thermal pressure
Introduce support in scheduler periodic tick and other CFS bookkeeping
APIs to trigger the process of computing average thermal pressure for a
CPU. Also consider avg_thermal.load_avg in others_have_blocked which
allows for decay of pelt signals.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20200222005213.3873-7-thara.gopinath@linaro.org
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 8e6f38073ab3..3e620fe8e3a0 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3586,6 +3586,7 @@ void scheduler_tick(void) struct rq *rq = cpu_rq(cpu); struct task_struct *curr = rq->curr; struct rq_flags rf; + unsigned long thermal_pressure; arch_scale_freq_tick(); sched_clock_tick(); @@ -3593,6 +3594,8 @@ void scheduler_tick(void) rq_lock(rq, &rf); update_rq_clock(rq); + thermal_pressure = arch_scale_thermal_pressure(cpu_of(rq)); + update_thermal_load_avg(rq_clock_task(rq), rq, thermal_pressure); curr->sched_class->task_tick(rq, curr, 0); calc_global_load_tick(rq); psi_task_tick(rq); |