__PERF_SAMPLE_CALLCHAIN_EARLY 147 include/uapi/linux/perf_event.h __PERF_SAMPLE_CALLCHAIN_EARLY = 1ULL << 63, /* non-ABI; internal use */ __PERF_SAMPLE_CALLCHAIN_EARLY 147 tools/include/uapi/linux/perf_event.h __PERF_SAMPLE_CALLCHAIN_EARLY = 1ULL << 63, /* non-ABI; internal use */