Lines Matching refs:pid
25 pid_t pid, int cpu, int group_fd,
240 The 'pid' parameter to the sys_perf_event_open() system call allows the
243 pid == 0: if the pid parameter is zero, the counter is attached to the
246 pid > 0: the counter is attached to a specific task (if the current task
249 pid < 0: all tasks are counted (per cpu counters)
256 (Note: the combination of 'pid == -1' and 'cpu == -1' is not valid.)
258 A 'pid > 0' and 'cpu == -1' counter is a per task counter that counts
263 A 'pid == -1' and 'cpu == x' counter is a per CPU counter that counts
359 * u32 pid, tid;
373 * u32 pid, tid;
387 * { u32 pid, tid; } && PERF_RECORD_TID