diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/fair.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index e078a63adc51..833225a9fe57 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2700,6 +2700,21 @@ void set_hmp_defaults(void) (u64)sched_ravg_window, 100); } +u32 sched_get_init_task_load(struct task_struct *p) +{ + return p->init_load_pct; +} + +int sched_set_init_task_load(struct task_struct *p, int init_load_pct) +{ + if (init_load_pct < 0 || init_load_pct > 100) + return -EINVAL; + + p->init_load_pct = init_load_pct; + + return 0; +} + /* * 'load' is in reference to "best cpu" at its best frequency. * Scale that in reference to a given cpu, accounting for how bad it is @@ -3605,13 +3620,24 @@ static inline int capacity(struct rq *rq) void init_new_task_load(struct task_struct *p) { int i; + u32 init_load_windows = sched_init_task_load_windows; + u32 init_load_pelt = sched_init_task_load_pelt; + u32 init_load_pct = current->init_load_pct; + /* Note: child's init_load_pct itself would be 0 */ memset(&p->ravg, 0, sizeof(struct ravg)); + if (init_load_pct) { + init_load_pelt = div64_u64((u64)init_load_pct * + (u64)LOAD_AVG_MAX, 100); + init_load_windows = div64_u64((u64)init_load_pct * + (u64)sched_ravg_window, 100); + } + + p->ravg.demand = init_load_windows; for (i = 0; i < RAVG_HIST_SIZE_MAX; ++i) - p->ravg.sum_history[i] = sched_init_task_load_windows; - p->se.avg.runnable_avg_sum_scaled = sched_init_task_load_pelt; - p->ravg.demand = sched_init_task_load_windows; + p->ravg.sum_history[i] = init_load_windows; + p->se.avg.runnable_avg_sum_scaled = init_load_pelt; } #else /* CONFIG_SCHED_HMP */ |