loongarch/kernel/perf_event.c

130 struct loongarch_pmu {
146 static struct loongarch_pmu loongarch_pmu;
257 	for (i = 0; i < loongarch_pmu.num_counters; i++) {
271 	WARN_ON(idx < 0 || idx >= loongarch_pmu.num_counters);
290 	WARN_ON(idx < 0 || idx >= loongarch_pmu.num_counters);
321 	if (left > loongarch_pmu.max_period) {
322 		left = loongarch_pmu.max_period;
326 	local64_set(&hwc->prev_count, loongarch_pmu.overflow - left);
328 	loongarch_pmu.write_counter(idx, loongarch_pmu.overflow - left);
344 	new_raw_count = loongarch_pmu.read_counter(idx);
426 	WARN_ON(idx < 0 || idx >= loongarch_pmu.num_counters);
466 		free_irq(get_percpu_irq(INT_PCOV), &loongarch_pmu);
508 	for (n = 0; n < loongarch_pmu.num_counters; n++) {
510 			counter = loongarch_pmu.read_counter(n);
511 			if (counter & loongarch_pmu.overflow) {
560 			r = request_irq(irq, pmu_handle_irq, flags, "Perf_PMU", &loongarch_pmu);
594 	pev = &(*loongarch_pmu.general_event_map)[idx];
619 	pev = &((*loongarch_pmu.cache_event_map)
654 	int counters = loongarch_pmu.num_counters;
658 		loongarch_pmu.write_counter(n, 0);
754 		pev = loongarch_pmu.map_raw_event(event->attr.config);
796 		hwc->sample_period  = loongarch_pmu.max_period;
816 	int ctr = loongarch_pmu.num_counters;
831 	int ctr = loongarch_pmu.num_counters;
857 	loongarch_pmu.num_counters = counters;
858 	loongarch_pmu.max_period = (1ULL << 63) - 1;
859 	loongarch_pmu.valid_count = (1ULL << 63) - 1;
860 	loongarch_pmu.overflow = 1ULL << 63;
861 	loongarch_pmu.name = "loongarch/loongson64";
862 	loongarch_pmu.read_counter = loongarch_pmu_read_counter;
863 	loongarch_pmu.write_counter = loongarch_pmu_write_counter;
864 	loongarch_pmu.map_raw_event = loongarch_pmu_map_raw_event;
865 	loongarch_pmu.general_event_map = &loongson_event_map;
866 	loongarch_pmu.cache_event_map = &loongson_cache_map;
871 			loongarch_pmu.name, counters, 64);