kernel/events/core.c

4268 	struct perf_event *cpu_event = NULL, *task_event = NULL;
4291 		task_event = ctx_event_to_rotate(task_epc);
4299 	if (task_event || (task_epc && cpu_event)) {
4311 	if (task_event)
4312 		rotate_ctx(task_epc->ctx, task_event);
4314 	if (task_event || (task_epc && cpu_event))
8193 	struct perf_task_event *task_event = data;
8196 	struct task_struct *task = task_event->task;
8197 	int ret, size = task_event->event_id.header.size;
8202 	perf_event_header__init_id(&task_event->event_id.header, &sample, event);
8205 				task_event->event_id.header.size);
8209 	task_event->event_id.pid = perf_event_pid(event, task);
8210 	task_event->event_id.tid = perf_event_tid(event, task);
8212 	if (task_event->event_id.header.type == PERF_RECORD_EXIT) {
8213 		task_event->event_id.ppid = perf_event_pid(event,
8215 		task_event->event_id.ptid = perf_event_pid(event,
8218 		task_event->event_id.ppid = perf_event_pid(event, current);
8219 		task_event->event_id.ptid = perf_event_tid(event, current);
8222 	task_event->event_id.time = perf_event_clock(event);
8224 	perf_output_put(&handle, task_event->event_id);
8230 	task_event->event_id.header.size = size;
8237 	struct perf_task_event task_event;
8244 	task_event = (struct perf_task_event){
8251 				.size = sizeof(task_event.event_id),
8262 		       &task_event,