PERF_RECORD_MISC_GUEST_KERNEL  637 include/uapi/linux/perf_event.h #define PERF_RECORD_MISC_GUEST_KERNEL		(4 << 0)
PERF_RECORD_MISC_GUEST_KERNEL  637 tools/include/uapi/linux/perf_event.h #define PERF_RECORD_MISC_GUEST_KERNEL		(4 << 0)