5331 				      struct perf_cpu_buf *cpu_buf)  in perf_buffer__free_cpu_buf()  argument
5333 	if (!cpu_buf)  in perf_buffer__free_cpu_buf()
5335 	if (cpu_buf->base &&  in perf_buffer__free_cpu_buf()
5336 	    munmap(cpu_buf->base, pb->mmap_size + pb->page_size))  in perf_buffer__free_cpu_buf()
5337 		pr_warning("failed to munmap cpu_buf #%d\n", cpu_buf->cpu);  in perf_buffer__free_cpu_buf()
5338 	if (cpu_buf->fd >= 0) {  in perf_buffer__free_cpu_buf()
5339 		ioctl(cpu_buf->fd, PERF_EVENT_IOC_DISABLE, 0);  in perf_buffer__free_cpu_buf()
5340 		close(cpu_buf->fd);  in perf_buffer__free_cpu_buf()
5342 	free(cpu_buf->buf);  in perf_buffer__free_cpu_buf()
5343 	free(cpu_buf);  in perf_buffer__free_cpu_buf()
5354 			struct perf_cpu_buf *cpu_buf = pb->cpu_bufs[i];  in perf_buffer__free()  local
5356 			bpf_map_delete_elem(pb->map_fd, &cpu_buf->map_key);  in perf_buffer__free()
5357 			perf_buffer__free_cpu_buf(pb, cpu_buf);  in perf_buffer__free()
5371 	struct perf_cpu_buf *cpu_buf;  in perf_buffer__open_cpu_buf()  local
5375 	cpu_buf = calloc(1, sizeof(*cpu_buf));  in perf_buffer__open_cpu_buf()
5376 	if (!cpu_buf)  in perf_buffer__open_cpu_buf()
5379 	cpu_buf->pb = pb;  in perf_buffer__open_cpu_buf()
5380 	cpu_buf->cpu = cpu;  in perf_buffer__open_cpu_buf()
5381 	cpu_buf->map_key = map_key;  in perf_buffer__open_cpu_buf()
5383 	cpu_buf->fd = syscall(__NR_perf_event_open, attr, -1 /* pid */, cpu,  in perf_buffer__open_cpu_buf()
5385 	if (cpu_buf->fd < 0) {  in perf_buffer__open_cpu_buf()
5392 	cpu_buf->base = mmap(NULL, pb->mmap_size + pb->page_size,  in perf_buffer__open_cpu_buf()
5394 			     cpu_buf->fd, 0);  in perf_buffer__open_cpu_buf()
5395 	if (cpu_buf->base == MAP_FAILED) {  in perf_buffer__open_cpu_buf()
5396 		cpu_buf->base = NULL;  in perf_buffer__open_cpu_buf()
5403 	if (ioctl(cpu_buf->fd, PERF_EVENT_IOC_ENABLE, 0) < 0) {  in perf_buffer__open_cpu_buf()
5410 	return cpu_buf;  in perf_buffer__open_cpu_buf()
5413 	perf_buffer__free_cpu_buf(pb, cpu_buf);  in perf_buffer__open_cpu_buf()
5533 		struct perf_cpu_buf *cpu_buf;  in __perf_buffer__new()  local
5539 		cpu_buf = perf_buffer__open_cpu_buf(pb, p->attr, cpu, map_key);  in __perf_buffer__new()
5540 		if (IS_ERR(cpu_buf)) {  in __perf_buffer__new()
5541 			err = PTR_ERR(cpu_buf);  in __perf_buffer__new()
5545 		pb->cpu_bufs[i] = cpu_buf;  in __perf_buffer__new()
5548 					  &cpu_buf->fd, 0);  in __perf_buffer__new()
5552 				   cpu, map_key, cpu_buf->fd,  in __perf_buffer__new()
5558 		pb->events[i].data.ptr = cpu_buf;  in __perf_buffer__new()
5559 		if (epoll_ctl(pb->epoll_fd, EPOLL_CTL_ADD, cpu_buf->fd,  in __perf_buffer__new()
5563 				   cpu, cpu_buf->fd,  in __perf_buffer__new()
5593 	struct perf_cpu_buf *cpu_buf = ctx;  in perf_buffer__process_record()  local
5594 	struct perf_buffer *pb = cpu_buf->pb;  in perf_buffer__process_record()
5599 		return pb->event_cb(pb->ctx, cpu_buf->cpu, e);  in perf_buffer__process_record()
5606 			pb->sample_cb(pb->ctx, cpu_buf->cpu, s->data, s->size);  in perf_buffer__process_record()
5613 			pb->lost_cb(pb->ctx, cpu_buf->cpu, s->lost);  in perf_buffer__process_record()
5624 					struct perf_cpu_buf *cpu_buf)  in perf_buffer__process_records()  argument
5628 	ret = bpf_perf_event_read_simple(cpu_buf->base, pb->mmap_size,  in perf_buffer__process_records()
5629 					 pb->page_size, &cpu_buf->buf,  in perf_buffer__process_records()
5630 					 &cpu_buf->buf_size,  in perf_buffer__process_records()
5631 					 perf_buffer__process_record, cpu_buf);  in perf_buffer__process_records()
5643 		struct perf_cpu_buf *cpu_buf = pb->events[i].data.ptr;  in perf_buffer__poll()  local
5645 		err = perf_buffer__process_records(pb, cpu_buf);  in perf_buffer__poll()