485 static bool perf_rotate_context(struct perf_cpu_pmu_context *cpc);
1115 	struct perf_cpu_pmu_context *cpc;  in perf_mux_hrtimer_handler()  local
1120 	cpc = container_of(hr, struct perf_cpu_pmu_context, hrtimer);  in perf_mux_hrtimer_handler()
1121 	rotations = perf_rotate_context(cpc);  in perf_mux_hrtimer_handler()
1123 	raw_spin_lock(&cpc->hrtimer_lock);  in perf_mux_hrtimer_handler()
1125 		hrtimer_forward_now(hr, cpc->hrtimer_interval);  in perf_mux_hrtimer_handler()
1127 		cpc->hrtimer_active = 0;  in perf_mux_hrtimer_handler()
1128 	raw_spin_unlock(&cpc->hrtimer_lock);  in perf_mux_hrtimer_handler()
1133 static void __perf_mux_hrtimer_init(struct perf_cpu_pmu_context *cpc, int cpu)  in __perf_mux_hrtimer_init()  argument
1135 	struct hrtimer *timer = &cpc->hrtimer;  in __perf_mux_hrtimer_init()
1136 	struct pmu *pmu = cpc->epc.pmu;  in __perf_mux_hrtimer_init()
1147 	cpc->hrtimer_interval = ns_to_ktime(NSEC_PER_MSEC * interval);  in __perf_mux_hrtimer_init()
1149 	raw_spin_lock_init(&cpc->hrtimer_lock);  in __perf_mux_hrtimer_init()
1154 static int perf_mux_hrtimer_restart(struct perf_cpu_pmu_context *cpc)  in perf_mux_hrtimer_restart()  argument
1156 	struct hrtimer *timer = &cpc->hrtimer;  in perf_mux_hrtimer_restart()
1159 	raw_spin_lock_irqsave(&cpc->hrtimer_lock, flags);  in perf_mux_hrtimer_restart()
1160 	if (!cpc->hrtimer_active) {  in perf_mux_hrtimer_restart()
1161 		cpc->hrtimer_active = 1;  in perf_mux_hrtimer_restart()
1162 		hrtimer_forward_now(timer, cpc->hrtimer_interval);  in perf_mux_hrtimer_restart()
1165 	raw_spin_unlock_irqrestore(&cpc->hrtimer_lock, flags);  in perf_mux_hrtimer_restart()
2306 	struct perf_cpu_pmu_context *cpc = this_cpu_ptr(epc->pmu->cpu_pmu_context);  in event_sched_out()  local
2309 	// XXX cpc serialization, probably per-cpu IRQ disabled  in event_sched_out()
2338 		cpc->active_oncpu--;  in event_sched_out()
2343 	if (event->attr.exclusive || !cpc->active_oncpu)  in event_sched_out()
2344 		cpc->exclusive = 0;  in event_sched_out()
2452 			struct perf_cpu_pmu_context *cpc;  in __perf_remove_from_context()  local
2454 			cpc = this_cpu_ptr(pmu_ctx->pmu->cpu_pmu_context);  in __perf_remove_from_context()
2455 			WARN_ON_ONCE(cpc->task_epc && cpc->task_epc != pmu_ctx);  in __perf_remove_from_context()
2456 			cpc->task_epc = NULL;  in __perf_remove_from_context()
2592 	struct perf_cpu_pmu_context *cpc = this_cpu_ptr(epc->pmu->cpu_pmu_context);  in event_sched_in()  local
2633 		cpc->active_oncpu++;  in event_sched_in()
2639 		cpc->exclusive = 1;  in event_sched_in()
2699 	struct perf_cpu_pmu_context *cpc = this_cpu_ptr(epc->pmu->cpu_pmu_context);  in group_can_go_on()  local
2710 	if (cpc->exclusive)  in group_can_go_on()
3322 		struct perf_cpu_pmu_context *cpc;  in __pmu_ctx_sched_out()  local
3324 		cpc = this_cpu_ptr(pmu->cpu_pmu_context);  in __pmu_ctx_sched_out()
3325 		WARN_ON_ONCE(cpc->task_epc && cpc->task_epc != pmu_ctx);  in __pmu_ctx_sched_out()
3326 		cpc->task_epc = NULL;  in __pmu_ctx_sched_out()
3570 	struct perf_cpu_pmu_context *cpc;  in perf_ctx_sched_task_cb()  local
3573 		cpc = this_cpu_ptr(pmu_ctx->pmu->cpu_pmu_context);  in perf_ctx_sched_task_cb()
3575 		if (cpc->sched_cb_usage && pmu_ctx->pmu->sched_task)  in perf_ctx_sched_task_cb()
3682 	struct perf_cpu_pmu_context *cpc = this_cpu_ptr(pmu->cpu_pmu_context);  in perf_sched_cb_dec()  local
3687 	if (!--cpc->sched_cb_usage)  in perf_sched_cb_dec()
3688 		list_del(&cpc->sched_cb_entry);  in perf_sched_cb_dec()
3694 	struct perf_cpu_pmu_context *cpc = this_cpu_ptr(pmu->cpu_pmu_context);  in perf_sched_cb_inc()  local
3696 	if (!cpc->sched_cb_usage++)  in perf_sched_cb_inc()
3697 		list_add(&cpc->sched_cb_entry, this_cpu_ptr(&sched_cb_list));  in perf_sched_cb_inc()
3711 static void __perf_pmu_sched_task(struct perf_cpu_pmu_context *cpc,  in __perf_pmu_sched_task()  argument
3717 	pmu = cpc->epc.pmu;  in __perf_pmu_sched_task()
3726 	pmu->sched_task(cpc->task_epc, task, sched_in);  in __perf_pmu_sched_task()
3737 	struct perf_cpu_pmu_context *cpc;  in perf_pmu_sched_task()  local
3743 	list_for_each_entry(cpc, this_cpu_ptr(&sched_cb_list), sched_cb_entry)  in perf_pmu_sched_task()
3744 		__perf_pmu_sched_task(cpc, sched_in ? next : prev, sched_in);  in perf_pmu_sched_task()
3807 	struct perf_cpu_pmu_context *cpc;  in __link_epc()  local
3812 	cpc = this_cpu_ptr(pmu_ctx->pmu->cpu_pmu_context);  in __link_epc()
3813 	WARN_ON_ONCE(cpc->task_epc && cpc->task_epc != pmu_ctx);  in __link_epc()
3814 	cpc->task_epc = pmu_ctx;  in __link_epc()
3941 			struct perf_cpu_pmu_context *cpc;  in merge_sched_in()  local
3944 			cpc = this_cpu_ptr(event->pmu_ctx->pmu->cpu_pmu_context);  in merge_sched_in()
3945 			perf_mux_hrtimer_restart(cpc);  in merge_sched_in()
4369 static bool perf_rotate_context(struct perf_cpu_pmu_context *cpc)  in perf_rotate_context()  argument
4382 	cpu_epc = &cpc->epc;  in perf_rotate_context()
4384 	task_epc = cpc->task_epc;  in perf_rotate_context()
4969 		struct perf_cpu_pmu_context *cpc;  in find_get_pmu_context()  local
4971 		cpc = per_cpu_ptr(pmu->cpu_pmu_context, event->cpu);  in find_get_pmu_context()
4972 		epc = &cpc->epc;  in find_get_pmu_context()
11683 		struct perf_cpu_pmu_context *cpc;  in perf_event_mux_interval_ms_store()  local
11684 		cpc = per_cpu_ptr(pmu->cpu_pmu_context, cpu);  in perf_event_mux_interval_ms_store()
11685 		cpc->hrtimer_interval = ns_to_ktime(NSEC_PER_MSEC * timer);  in perf_event_mux_interval_ms_store()
11687 		cpu_function_call(cpu, perf_mux_hrtimer_restart_ipi, cpc);  in perf_event_mux_interval_ms_store()
11896 		struct perf_cpu_pmu_context *cpc;  in perf_pmu_register()  local
11898 		cpc = per_cpu_ptr(pmu->cpu_pmu_context, cpu);  in perf_pmu_register()
11899 		__perf_init_event_pmu_context(&cpc->epc, pmu);  in perf_pmu_register()
11900 		__perf_mux_hrtimer_init(cpc, cpu);  in perf_pmu_register()