| /kernel/irq/ |
| D | timings.c | 319 int period; in irq_timings_next_event_index() local
337 for (period = period_max; period >= PREDICTION_PERIOD_MIN; period--) { in irq_timings_next_event_index()
345 int idx = period; in irq_timings_next_event_index()
346 size_t size = period; in irq_timings_next_event_index()
367 return buffer[len % period]; in irq_timings_next_event_index()
374 if (len - idx < period) in irq_timings_next_event_index()
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| /kernel/sched/ |
| D | psi.c | 287 u64 time, u64 period) in calc_avgs() argument
299 pct = div_u64(time * 100, period); in calc_avgs()
364 u64 expires, period; in update_averages() local
381 period = now - (group->avg_last_update + (missed_periods * psi_period)); in update_averages()
405 if (sample > period) in update_averages()
406 sample = period; in update_averages()
408 calc_avgs(group->avg[s], missed_periods, sample, period); in update_averages()
1331 u64 period = ULLONG_MAX; in psi_trigger_destroy() local
1339 period = min(period, div_u64(tmp->win.size, in psi_trigger_destroy()
1341 group->poll_min_period = period; in psi_trigger_destroy()
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| D | deadline.c | 494 void init_dl_bandwidth(struct dl_bandwidth *dl_b, u64 period, u64 runtime) in init_dl_bandwidth() argument
497 dl_b->dl_period = period; in init_dl_bandwidth()
2753 u64 period = global_rt_period(); in sched_dl_global_validate() local
2754 u64 new_bw = to_ratio(period, runtime); in sched_dl_global_validate()
2843 u64 period = attr->sched_period ?: attr->sched_deadline; in sched_dl_overflow() local
2845 u64 new_bw = dl_policy(policy) ? to_ratio(period, runtime) : 0; in sched_dl_overflow()
2942 u64 period, max, min; in __checkparam_dl() local
2967 period = attr->sched_period; in __checkparam_dl()
2968 if (!period) in __checkparam_dl()
2969 period = attr->sched_deadline; in __checkparam_dl()
[all …]
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| D | core.c | 4846 unsigned long to_ratio(u64 period, u64 runtime) in to_ratio() argument
4856 if (period == 0) in to_ratio()
4859 return div64_u64(runtime << BW_SHIFT, period); in to_ratio()
10814 static int __cfs_schedulable(struct task_group *tg, u64 period, u64 runtime);
10816 static int tg_set_cfs_bandwidth(struct task_group *tg, u64 period, u64 quota, in tg_set_cfs_bandwidth() argument
10830 if (quota < min_cfs_quota_period || period < min_cfs_quota_period) in tg_set_cfs_bandwidth()
10838 if (period > max_cfs_quota_period) in tg_set_cfs_bandwidth()
10857 ret = __cfs_schedulable(tg, period, quota); in tg_set_cfs_bandwidth()
10870 cfs_b->period = ns_to_ktime(period); in tg_set_cfs_bandwidth()
10906 u64 quota, period, burst; in tg_set_cfs_quota() local
[all …]
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| D | rt.c | 96 void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime) in init_rt_bandwidth() argument
98 rt_b->rt_period = ns_to_ktime(period); in init_rt_bandwidth()
2870 u64 period, runtime; in tg_rt_schedulable() local
2872 period = ktime_to_ns(tg->rt_bandwidth.rt_period); in tg_rt_schedulable()
2876 period = d->rt_period; in tg_rt_schedulable()
2883 if (runtime > period && runtime != RUNTIME_INF) in tg_rt_schedulable()
2893 total = to_ratio(period, runtime); in tg_rt_schedulable()
2905 period = ktime_to_ns(child->rt_bandwidth.rt_period); in tg_rt_schedulable()
2909 period = d->rt_period; in tg_rt_schedulable()
2913 sum += to_ratio(period, runtime); in tg_rt_schedulable()
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| D | fair.c | 1190 unsigned long period = smin; in task_scan_start() local
1200 period *= refcount_read(&ng->refcount); in task_scan_start()
1201 period *= shared + 1; in task_scan_start()
1202 period /= private + shared + 1; in task_scan_start()
1206 return max(smin, period); in task_scan_start()
1223 unsigned long period = smax; in task_scan_max() local
1225 period *= refcount_read(&ng->refcount); in task_scan_max()
1226 period *= shared + 1; in task_scan_max()
1227 period /= private + shared + 1; in task_scan_max()
1229 smax = max(smax, period); in task_scan_max()
[all …]
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| D | sched.h | 348 ktime_t period; member
2404 extern void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime);
2407 extern void init_dl_bandwidth(struct dl_bandwidth *dl_b, u64 period, u64 runtime);
2416 unsigned long to_ratio(u64 period, u64 runtime);
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| /kernel/rcu/ |
| D | Kconfig.debug | 80 If a given RCU grace period extends more than the specified
82 RCU grace period persists, additional CPU stall warnings are
91 If a given expedited RCU grace period extends more than the
93 If the RCU grace period persists, additional CPU stall warnings
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| D | Kconfig | 181 number of cache misses incurred during RCU's grace-period
205 block the current preemptible RCU grace period for too long.
213 int "Milliseconds to delay boosting after RCU grace-period start"
219 a given grace period before priority-boosting preempted RCU
220 readers blocking that grace period. Note that any RCU reader
221 blocking an expedited RCU grace period is boosted immediately.
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| /kernel/ |
| D | watchdog_hld.c | 50 void watchdog_update_hrtimer_threshold(u64 period) in watchdog_update_hrtimer_threshold() argument
73 watchdog_hrtimer_sample_threshold = period * 2; in watchdog_update_hrtimer_threshold()
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| /kernel/time/ |
| D | tick-sched.c | 160 ktime_t period; in tick_init_jiffy_update() local
178 period = last_jiffies_update; in tick_init_jiffy_update()
181 return period; in tick_init_jiffy_update()
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| /kernel/events/ |
| D | core.c | 1857 size += sizeof(data->period); in __perf_event_header_size()
4067 s64 period, sample_period; in perf_adjust_period() local
4070 period = perf_calculate_period(event, nsec, count); in perf_adjust_period()
4072 delta = (s64)(period - hwc->sample_period); in perf_adjust_period()
4103 u64 now, period = TICK_NSEC; in perf_adjust_freq_unthr_context() local
4154 perf_adjust_period(event, period, delta, false); in perf_adjust_freq_unthr_context()
7137 perf_output_put(handle, data->period); in perf_output_sample()
9451 u64 period = hwc->last_period; in perf_swevent_set_period() local
9462 nr = div64_u64(period + val, period); in perf_swevent_set_period()
9463 offset = nr * period; in perf_swevent_set_period()
[all …]
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| /kernel/power/ |
| D | Kconfig | 188 (low power) states, for example after a specified period of inactivity
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| /kernel/trace/ |
| D | bpf_trace.c | 2089 bpf_target_off(struct perf_sample_data, period, 8, in pe_prog_convert_ctx_access()
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| D | Kconfig | 434 interference. At the end of the period, the osnoise tracer prints
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