PERF_EVENT_IOC_PAUSE_OUTPUT  463 include/uapi/linux/perf_event.h #define PERF_EVENT_IOC_PAUSE_OUTPUT		_IOW('$', 9, __u32)
PERF_EVENT_IOC_PAUSE_OUTPUT  463 tools/include/uapi/linux/perf_event.h #define PERF_EVENT_IOC_PAUSE_OUTPUT		_IOW('$', 9, __u32)