22 void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr,  in perf_evsel__init()  argument
25 	INIT_LIST_HEAD(&evsel->node);  in perf_evsel__init()
26 	evsel->attr = *attr;  in perf_evsel__init()
27 	evsel->idx  = idx;  in perf_evsel__init()
28 	evsel->leader = evsel;  in perf_evsel__init()
33 	struct perf_evsel *evsel = zalloc(sizeof(*evsel));  in perf_evsel__new()  local
35 	if (evsel != NULL)  in perf_evsel__new()
36 		perf_evsel__init(evsel, attr, 0);  in perf_evsel__new()
38 	return evsel;  in perf_evsel__new()
41 void perf_evsel__delete(struct perf_evsel *evsel)  in perf_evsel__delete()  argument
43 	free(evsel);  in perf_evsel__delete()
49 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads)  in perf_evsel__alloc_fd()  argument
51 	evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int));  in perf_evsel__alloc_fd()
53 	if (evsel->fd) {  in perf_evsel__alloc_fd()
57 				int *fd = FD(evsel, cpu, thread);  in perf_evsel__alloc_fd()
65 	return evsel->fd != NULL ? 0 : -ENOMEM;  in perf_evsel__alloc_fd()
68 static int perf_evsel__alloc_mmap(struct perf_evsel *evsel, int ncpus, int nthreads)  in perf_evsel__alloc_mmap()  argument
70 	evsel->mmap = xyarray__new(ncpus, nthreads, sizeof(struct perf_mmap));  in perf_evsel__alloc_mmap()
72 	return evsel->mmap != NULL ? 0 : -ENOMEM;  in perf_evsel__alloc_mmap()
83 static int get_group_fd(struct perf_evsel *evsel, int cpu, int thread, int *group_fd)  in get_group_fd()  argument
85 	struct perf_evsel *leader = evsel->leader;  in get_group_fd()
88 	if (evsel == leader) {  in get_group_fd()
109 int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,  in perf_evsel__open()  argument
138 	if (evsel->fd == NULL &&  in perf_evsel__open()
139 	    perf_evsel__alloc_fd(evsel, cpus->nr, threads->nr) < 0)  in perf_evsel__open()
146 			evsel_fd = FD(evsel, cpu, thread);  in perf_evsel__open()
150 			err = get_group_fd(evsel, cpu, thread, &group_fd);  in perf_evsel__open()
154 			fd = sys_perf_event_open(&evsel->attr,  in perf_evsel__open()
168 static void perf_evsel__close_fd_cpu(struct perf_evsel *evsel, int cpu)  in perf_evsel__close_fd_cpu()  argument
172 	for (thread = 0; thread < xyarray__max_y(evsel->fd); ++thread) {  in perf_evsel__close_fd_cpu()
173 		int *fd = FD(evsel, cpu, thread);  in perf_evsel__close_fd_cpu()
182 void perf_evsel__close_fd(struct perf_evsel *evsel)  in perf_evsel__close_fd()  argument
186 	for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++)  in perf_evsel__close_fd()
187 		perf_evsel__close_fd_cpu(evsel, cpu);  in perf_evsel__close_fd()
190 void perf_evsel__free_fd(struct perf_evsel *evsel)  in perf_evsel__free_fd()  argument
192 	xyarray__delete(evsel->fd);  in perf_evsel__free_fd()
193 	evsel->fd = NULL;  in perf_evsel__free_fd()
196 void perf_evsel__close(struct perf_evsel *evsel)  in perf_evsel__close()  argument
198 	if (evsel->fd == NULL)  in perf_evsel__close()
201 	perf_evsel__close_fd(evsel);  in perf_evsel__close()
202 	perf_evsel__free_fd(evsel);  in perf_evsel__close()
205 void perf_evsel__close_cpu(struct perf_evsel *evsel, int cpu)  in perf_evsel__close_cpu()  argument
207 	if (evsel->fd == NULL)  in perf_evsel__close_cpu()
210 	perf_evsel__close_fd_cpu(evsel, cpu);  in perf_evsel__close_cpu()
213 void perf_evsel__munmap(struct perf_evsel *evsel)  in perf_evsel__munmap()  argument
217 	if (evsel->fd == NULL || evsel->mmap == NULL)  in perf_evsel__munmap()
220 	for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++) {  in perf_evsel__munmap()
221 		for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) {  in perf_evsel__munmap()
222 			int *fd = FD(evsel, cpu, thread);  in perf_evsel__munmap()
227 			perf_mmap__munmap(MMAP(evsel, cpu, thread));  in perf_evsel__munmap()
231 	xyarray__delete(evsel->mmap);  in perf_evsel__munmap()
232 	evsel->mmap = NULL;  in perf_evsel__munmap()
235 int perf_evsel__mmap(struct perf_evsel *evsel, int pages)  in perf_evsel__mmap()  argument
243 	if (evsel->fd == NULL || evsel->mmap)  in perf_evsel__mmap()
246 	if (perf_evsel__alloc_mmap(evsel, xyarray__max_x(evsel->fd), xyarray__max_y(evsel->fd)) < 0)  in perf_evsel__mmap()
249 	for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++) {  in perf_evsel__mmap()
250 		for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) {  in perf_evsel__mmap()
251 			int *fd = FD(evsel, cpu, thread);  in perf_evsel__mmap()
257 			map = MMAP(evsel, cpu, thread);  in perf_evsel__mmap()
262 				perf_evsel__munmap(evsel);  in perf_evsel__mmap()
271 void *perf_evsel__mmap_base(struct perf_evsel *evsel, int cpu, int thread)  in perf_evsel__mmap_base()  argument
273 	int *fd = FD(evsel, cpu, thread);  in perf_evsel__mmap_base()
275 	if (fd == NULL || *fd < 0 || MMAP(evsel, cpu, thread) == NULL)  in perf_evsel__mmap_base()
278 	return MMAP(evsel, cpu, thread)->base;  in perf_evsel__mmap_base()
281 int perf_evsel__read_size(struct perf_evsel *evsel)  in perf_evsel__read_size()  argument
283 	u64 read_format = evsel->attr.read_format;  in perf_evsel__read_size()
298 		nr = evsel->nr_members;  in perf_evsel__read_size()
306 int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,  in perf_evsel__read()  argument
309 	size_t size = perf_evsel__read_size(evsel);  in perf_evsel__read()
310 	int *fd = FD(evsel, cpu, thread);  in perf_evsel__read()
317 	if (MMAP(evsel, cpu, thread) &&  in perf_evsel__read()
318 	    !perf_mmap__read_self(MMAP(evsel, cpu, thread), count))  in perf_evsel__read()
327 static int perf_evsel__run_ioctl(struct perf_evsel *evsel,  in perf_evsel__run_ioctl()  argument
333 	for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) {  in perf_evsel__run_ioctl()
335 		int *fd = FD(evsel, cpu, thread);  in perf_evsel__run_ioctl()
349 int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu)  in perf_evsel__enable_cpu()  argument
351 	return perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_ENABLE, NULL, cpu);  in perf_evsel__enable_cpu()
354 int perf_evsel__enable(struct perf_evsel *evsel)  in perf_evsel__enable()  argument
359 	for (i = 0; i < xyarray__max_x(evsel->fd) && !err; i++)  in perf_evsel__enable()
360 		err = perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_ENABLE, NULL, i);  in perf_evsel__enable()
364 int perf_evsel__disable_cpu(struct perf_evsel *evsel, int cpu)  in perf_evsel__disable_cpu()  argument
366 	return perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_DISABLE, NULL, cpu);  in perf_evsel__disable_cpu()
369 int perf_evsel__disable(struct perf_evsel *evsel)  in perf_evsel__disable()  argument
374 	for (i = 0; i < xyarray__max_x(evsel->fd) && !err; i++)  in perf_evsel__disable()
375 		err = perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_DISABLE, NULL, i);  in perf_evsel__disable()
379 int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter)  in perf_evsel__apply_filter()  argument
383 	for (i = 0; i < evsel->cpus->nr && !err; i++)  in perf_evsel__apply_filter()
384 		err = perf_evsel__run_ioctl(evsel,  in perf_evsel__apply_filter()
390 struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)  in perf_evsel__cpus()  argument
392 	return evsel->cpus;  in perf_evsel__cpus()
395 struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel)  in perf_evsel__threads()  argument
397 	return evsel->threads;  in perf_evsel__threads()
400 struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel)  in perf_evsel__attr()  argument
402 	return &evsel->attr;  in perf_evsel__attr()
405 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)  in perf_evsel__alloc_id()  argument
410 	if (evsel->system_wide)  in perf_evsel__alloc_id()
413 	evsel->sample_id = xyarray__new(ncpus, nthreads, sizeof(struct perf_sample_id));  in perf_evsel__alloc_id()
414 	if (evsel->sample_id == NULL)  in perf_evsel__alloc_id()
417 	evsel->id = zalloc(ncpus * nthreads * sizeof(u64));  in perf_evsel__alloc_id()
418 	if (evsel->id == NULL) {  in perf_evsel__alloc_id()
419 		xyarray__delete(evsel->sample_id);  in perf_evsel__alloc_id()
420 		evsel->sample_id = NULL;  in perf_evsel__alloc_id()
427 void perf_evsel__free_id(struct perf_evsel *evsel)  in perf_evsel__free_id()  argument
429 	xyarray__delete(evsel->sample_id);  in perf_evsel__free_id()
430 	evsel->sample_id = NULL;  in perf_evsel__free_id()
431 	zfree(&evsel->id);  in perf_evsel__free_id()
432 	evsel->ids = 0;  in perf_evsel__free_id()