1 // SPDX-License-Identifier: GPL-2.0-only
18 		cpus->nr = 1;  in perf_cpu_map__dummy_new()
19 		cpus->map[0] = -1;  in perf_cpu_map__dummy_new()
20 		refcount_set(&cpus->refcnt, 1);  in perf_cpu_map__dummy_new()
29 		WARN_ONCE(refcount_read(&map->refcnt) != 0,  in cpu_map__delete()
38 		refcount_inc(&map->refcnt);  in perf_cpu_map__get()
44 	if (map && refcount_dec_and_test(&map->refcnt))  in perf_cpu_map__put()
62 			cpus->map[i] = i;  in cpu_map__default_new()
64 		cpus->nr = nr_cpus;  in cpu_map__default_new()
65 		refcount_set(&cpus->refcnt, 1);  in cpu_map__default_new()
73 	return *(const int *)a - *(const int*)b;  in cmp_int()
83 		memcpy(cpus->map, tmp_cpus, payload_size);  in cpu_map__trim_new()
84 		qsort(cpus->map, nr_cpus, sizeof(int), cmp_int);  in cpu_map__trim_new()
88 			if (i == 0 || cpus->map[i] != cpus->map[i - 1])  in cpu_map__trim_new()
89 				cpus->map[j++] = cpus->map[i];  in cpu_map__trim_new()
91 		cpus->nr = j;  in cpu_map__trim_new()
93 		refcount_set(&cpus->refcnt, 1);  in cpu_map__trim_new()
105 	int n, cpu, prev;  in perf_cpu_map__read()  local
109 	prev = -1;  in perf_cpu_map__read()
111 		n = fscanf(file, "%u%c", &cpu, &sep);  in perf_cpu_map__read()
115 			int new_max = nr_cpus + cpu - prev - 1;  in perf_cpu_map__read()
128 			while (++prev < cpu)  in perf_cpu_map__read()
139 		tmp_cpus[nr_cpus++] = cpu;  in perf_cpu_map__read()
140 		if (n == 2 && sep == '-')  in perf_cpu_map__read()
141 			prev = cpu;  in perf_cpu_map__read()
143 			prev = -1;  in perf_cpu_map__read()
162 	onlnf = fopen("/sys/devices/system/cpu/online", "r");  in cpu_map__read_all_cpu_map()
185 	 * TOPOLOGY header for NUMA nodes with no CPU  in perf_cpu_map__new()
186 	 * ( e.g., because of CPU hotplug)  in perf_cpu_map__new()
195 		    || (*p != '\0' && *p != ',' && *p != '-'))  in perf_cpu_map__new()
198 		if (*p == '-') {  in perf_cpu_map__new()
250 	if (cpus && idx < cpus->nr)  in perf_cpu_map__cpu()
251 		return cpus->map[idx];  in perf_cpu_map__cpu()
253 	return -1;  in perf_cpu_map__cpu()
258 	return cpus ? cpus->nr : 1;  in perf_cpu_map__nr()
263 	return map ? map->map[0] == -1 : true;  in perf_cpu_map__empty()
266 int perf_cpu_map__idx(struct perf_cpu_map *cpus, int cpu)  in perf_cpu_map__idx()  argument
270 	for (i = 0; i < cpus->nr; ++i) {  in perf_cpu_map__idx()
271 		if (cpus->map[i] == cpu)  in perf_cpu_map__idx()
275 	return -1;  in perf_cpu_map__idx()
280 	int i, max = -1;  in perf_cpu_map__max()
282 	for (i = 0; i < map->nr; i++) {  in perf_cpu_map__max()
283 		if (map->map[i] > max)  in perf_cpu_map__max()
284 			max = map->map[i];  in perf_cpu_map__max()
314 	if (orig->nr == other->nr &&  in perf_cpu_map__merge()
315 	    !memcmp(orig->map, other->map, orig->nr * sizeof(int)))  in perf_cpu_map__merge()
318 	tmp_len = orig->nr + other->nr;  in perf_cpu_map__merge()
325 	while (i < orig->nr && j < other->nr) {  in perf_cpu_map__merge()
326 		if (orig->map[i] <= other->map[j]) {  in perf_cpu_map__merge()
327 			if (orig->map[i] == other->map[j])  in perf_cpu_map__merge()
329 			tmp_cpus[k++] = orig->map[i++];  in perf_cpu_map__merge()
331 			tmp_cpus[k++] = other->map[j++];  in perf_cpu_map__merge()
334 	while (i < orig->nr)  in perf_cpu_map__merge()
335 		tmp_cpus[k++] = orig->map[i++];  in perf_cpu_map__merge()
337 	while (j < other->nr)  in perf_cpu_map__merge()
338 		tmp_cpus[k++] = other->map[j++];  in perf_cpu_map__merge()