19 void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr)  in perf_evsel__init()  argument
21 	INIT_LIST_HEAD(&evsel->node);  in perf_evsel__init()
22 	evsel->attr = *attr;  in perf_evsel__init()
27 	struct perf_evsel *evsel = zalloc(sizeof(*evsel));  in perf_evsel__new()  local
29 	if (evsel != NULL)  in perf_evsel__new()
30 		perf_evsel__init(evsel, attr);  in perf_evsel__new()
32 	return evsel;  in perf_evsel__new()
35 void perf_evsel__delete(struct perf_evsel *evsel)  in perf_evsel__delete()  argument
37 	free(evsel);  in perf_evsel__delete()
42 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads)  in perf_evsel__alloc_fd()  argument
44 	evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int));  in perf_evsel__alloc_fd()
46 	if (evsel->fd) {  in perf_evsel__alloc_fd()
50 				FD(evsel, cpu, thread) = -1;  in perf_evsel__alloc_fd()
55 	return evsel->fd != NULL ? 0 : -ENOMEM;  in perf_evsel__alloc_fd()
66 int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,  in perf_evsel__open()  argument
95 	if (evsel->fd == NULL &&  in perf_evsel__open()
96 	    perf_evsel__alloc_fd(evsel, cpus->nr, threads->nr) < 0)  in perf_evsel__open()
103 			fd = sys_perf_event_open(&evsel->attr,  in perf_evsel__open()
110 			FD(evsel, cpu, thread) = fd;  in perf_evsel__open()
117 static void perf_evsel__close_fd_cpu(struct perf_evsel *evsel, int cpu)  in perf_evsel__close_fd_cpu()  argument
121 	for (thread = 0; thread < xyarray__max_y(evsel->fd); ++thread) {  in perf_evsel__close_fd_cpu()
122 		if (FD(evsel, cpu, thread) >= 0)  in perf_evsel__close_fd_cpu()
123 			close(FD(evsel, cpu, thread));  in perf_evsel__close_fd_cpu()
124 		FD(evsel, cpu, thread) = -1;  in perf_evsel__close_fd_cpu()
128 void perf_evsel__close_fd(struct perf_evsel *evsel)  in perf_evsel__close_fd()  argument
132 	for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++)  in perf_evsel__close_fd()
133 		perf_evsel__close_fd_cpu(evsel, cpu);  in perf_evsel__close_fd()
136 void perf_evsel__free_fd(struct perf_evsel *evsel)  in perf_evsel__free_fd()  argument
138 	xyarray__delete(evsel->fd);  in perf_evsel__free_fd()
139 	evsel->fd = NULL;  in perf_evsel__free_fd()
142 void perf_evsel__close(struct perf_evsel *evsel)  in perf_evsel__close()  argument
144 	if (evsel->fd == NULL)  in perf_evsel__close()
147 	perf_evsel__close_fd(evsel);  in perf_evsel__close()
148 	perf_evsel__free_fd(evsel);  in perf_evsel__close()
151 void perf_evsel__close_cpu(struct perf_evsel *evsel, int cpu)  in perf_evsel__close_cpu()  argument
153 	if (evsel->fd == NULL)  in perf_evsel__close_cpu()
156 	perf_evsel__close_fd_cpu(evsel, cpu);  in perf_evsel__close_cpu()
159 int perf_evsel__read_size(struct perf_evsel *evsel)  in perf_evsel__read_size()  argument
161 	u64 read_format = evsel->attr.read_format;  in perf_evsel__read_size()
176 		nr = evsel->nr_members;  in perf_evsel__read_size()
184 int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,  in perf_evsel__read()  argument
187 	size_t size = perf_evsel__read_size(evsel);  in perf_evsel__read()
191 	if (FD(evsel, cpu, thread) < 0)  in perf_evsel__read()
194 	if (readn(FD(evsel, cpu, thread), count->values, size) <= 0)  in perf_evsel__read()
200 static int perf_evsel__run_ioctl(struct perf_evsel *evsel,  in perf_evsel__run_ioctl()  argument
206 	for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) {  in perf_evsel__run_ioctl()
207 		int fd = FD(evsel, cpu, thread),  in perf_evsel__run_ioctl()
217 int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu)  in perf_evsel__enable_cpu()  argument
219 	return perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_ENABLE, NULL, cpu);  in perf_evsel__enable_cpu()
222 int perf_evsel__enable(struct perf_evsel *evsel)  in perf_evsel__enable()  argument
227 	for (i = 0; i < xyarray__max_x(evsel->fd) && !err; i++)  in perf_evsel__enable()
228 		err = perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_ENABLE, NULL, i);  in perf_evsel__enable()
232 int perf_evsel__disable_cpu(struct perf_evsel *evsel, int cpu)  in perf_evsel__disable_cpu()  argument
234 	return perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_DISABLE, NULL, cpu);  in perf_evsel__disable_cpu()
237 int perf_evsel__disable(struct perf_evsel *evsel)  in perf_evsel__disable()  argument
242 	for (i = 0; i < xyarray__max_x(evsel->fd) && !err; i++)  in perf_evsel__disable()
243 		err = perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_DISABLE, NULL, i);  in perf_evsel__disable()
247 int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter)  in perf_evsel__apply_filter()  argument
251 	for (i = 0; i < evsel->cpus->nr && !err; i++)  in perf_evsel__apply_filter()
252 		err = perf_evsel__run_ioctl(evsel,  in perf_evsel__apply_filter()
258 struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)  in perf_evsel__cpus()  argument
260 	return evsel->cpus;  in perf_evsel__cpus()
263 struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel)  in perf_evsel__threads()  argument
265 	return evsel->threads;  in perf_evsel__threads()
268 struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel)  in perf_evsel__attr()  argument
270 	return &evsel->attr;  in perf_evsel__attr()
273 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)  in perf_evsel__alloc_id()  argument
278 	if (evsel->system_wide)  in perf_evsel__alloc_id()
281 	evsel->sample_id = xyarray__new(ncpus, nthreads, sizeof(struct perf_sample_id));  in perf_evsel__alloc_id()
282 	if (evsel->sample_id == NULL)  in perf_evsel__alloc_id()
285 	evsel->id = zalloc(ncpus * nthreads * sizeof(u64));  in perf_evsel__alloc_id()
286 	if (evsel->id == NULL) {  in perf_evsel__alloc_id()
287 		xyarray__delete(evsel->sample_id);  in perf_evsel__alloc_id()
288 		evsel->sample_id = NULL;  in perf_evsel__alloc_id()
295 void perf_evsel__free_id(struct perf_evsel *evsel)  in perf_evsel__free_id()  argument
297 	xyarray__delete(evsel->sample_id);  in perf_evsel__free_id()
298 	evsel->sample_id = NULL;  in perf_evsel__free_id()
299 	zfree(&evsel->id);  in perf_evsel__free_id()
300 	evsel->ids = 0;  in perf_evsel__free_id()