diff options
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 9dd9640bfe82..1d91c012b5d8 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3167,91 +3167,6 @@ unsigned long long task_sched_runtime(struct task_struct *p) return ns; } -#ifdef CONFIG_CPU_FREQ_GOV_SCHED - -static inline -unsigned long add_capacity_margin(unsigned long cpu_capacity) -{ - cpu_capacity = cpu_capacity * capacity_margin; - cpu_capacity /= SCHED_CAPACITY_SCALE; - return cpu_capacity; -} - -static inline -unsigned long sum_capacity_reqs(unsigned long cfs_cap, - struct sched_capacity_reqs *scr) -{ - unsigned long total = add_capacity_margin(cfs_cap + scr->rt); - return total += scr->dl; -} - -unsigned long boosted_cpu_util(int cpu); -static void sched_freq_tick_pelt(int cpu) -{ - unsigned long cpu_utilization = boosted_cpu_util(cpu); - unsigned long capacity_curr = capacity_curr_of(cpu); - struct sched_capacity_reqs *scr; - - scr = &per_cpu(cpu_sched_capacity_reqs, cpu); - if (sum_capacity_reqs(cpu_utilization, scr) < capacity_curr) - return; - - /* - * To make free room for a task that is building up its "real" - * utilization and to harm its performance the least, request - * a jump to a higher OPP as soon as the margin of free capacity - * is impacted (specified by capacity_margin). - * Remember CPU utilization in sched_capacity_reqs should be normalised. - */ - cpu_utilization = cpu_utilization * SCHED_CAPACITY_SCALE / capacity_orig_of(cpu); - set_cfs_cpu_capacity(cpu, true, cpu_utilization); -} - -#ifdef CONFIG_SCHED_WALT -static void sched_freq_tick_walt(int cpu) -{ - unsigned long cpu_utilization = cpu_util_freq(cpu); - unsigned long capacity_curr = capacity_curr_of(cpu); - - if (walt_disabled || !sysctl_sched_use_walt_cpu_util) - return sched_freq_tick_pelt(cpu); - - /* - * Add a margin to the WALT utilization to check if we will need to - * increase frequency. - * NOTE: WALT tracks a single CPU signal for all the scheduling - * classes, thus this margin is going to be added to the DL class as - * well, which is something we do not do in sched_freq_tick_pelt case. - */ - if (add_capacity_margin(cpu_utilization) <= capacity_curr) - return; - - /* - * It is likely that the load is growing so we - * keep the added margin in our request as an - * extra boost. - * Remember CPU utilization in sched_capacity_reqs should be normalised. - */ - cpu_utilization = cpu_utilization * SCHED_CAPACITY_SCALE / capacity_orig_of(cpu); - set_cfs_cpu_capacity(cpu, true, cpu_utilization); - -} -#define _sched_freq_tick(cpu) sched_freq_tick_walt(cpu) -#else -#define _sched_freq_tick(cpu) sched_freq_tick_pelt(cpu) -#endif /* CONFIG_SCHED_WALT */ - -static void sched_freq_tick(int cpu) -{ - if (!sched_freq()) - return; - - _sched_freq_tick(cpu); -} -#else -static inline void sched_freq_tick(int cpu) { } -#endif /* CONFIG_CPU_FREQ_GOV_SCHED */ - /* * This function gets called by the timer code, with HZ frequency. * We call it with interrupts disabled. @@ -3278,7 +3193,6 @@ void scheduler_tick(void) wallclock = sched_ktime_clock(); update_task_ravg(rq->curr, rq, TASK_UPDATE, wallclock, 0); early_notif = early_detection_notify(rq, wallclock); - sched_freq_tick(cpu); raw_spin_unlock(&rq->lock); if (early_notif) |