diff options
| author | Srivatsa Vaddagiri <vatsa@codeaurora.org> | 2014-04-02 19:18:38 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 19:59:11 -0700 |
| commit | fb9ab2a720a549c8cdcc7956c3fceaf5199503a2 (patch) | |
| tree | ff397f045bca22bc67fa9ca4f48b497c8be6b029 /kernel/sched/sched.h | |
| parent | bf863e333ff3704543c1300f837058b33c7bcb46 (diff) | |
sched: Provide tunable to switch between PELT and window-based stats
Provide a runtime tunable to switch between using PELT-based load
stats and window-based load stats. This will be needed for runtime
analysis of the two load tracking schemes.
Change-Id: I018f6a90b49844bf2c4e5666912621d87acc7217
Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 01aa57b070f1..5808369fdce3 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -930,6 +930,7 @@ extern void init_new_task_load(struct task_struct *p); #if defined(CONFIG_SCHED_FREQ_INPUT) || defined(CONFIG_SCHED_HMP) extern unsigned int sched_ravg_window; +extern unsigned int sched_use_pelt; extern unsigned int max_possible_freq; extern unsigned int min_max_freq; extern unsigned int pct_task_load(struct task_struct *p); @@ -949,13 +950,21 @@ extern unsigned int sched_init_task_load_windows; static inline void inc_cumulative_runnable_avg(struct rq *rq, struct task_struct *p) { - rq->cumulative_runnable_avg += p->ravg.demand; + if (sched_use_pelt) + rq->cumulative_runnable_avg += + p->se.avg.runnable_avg_sum_scaled; + else + rq->cumulative_runnable_avg += p->ravg.demand; } static inline void dec_cumulative_runnable_avg(struct rq *rq, struct task_struct *p) { - rq->cumulative_runnable_avg -= p->ravg.demand; + if (sched_use_pelt) + rq->cumulative_runnable_avg -= + p->se.avg.runnable_avg_sum_scaled; + else + rq->cumulative_runnable_avg -= p->ravg.demand; BUG_ON((s64)rq->cumulative_runnable_avg < 0); } |