PERF_TXN_ELISION  250 include/uapi/linux/perf_event.h 	PERF_TXN_ELISION        = (1 << 0), /* From elision */
PERF_TXN_ELISION  250 tools/include/uapi/linux/perf_event.h 	PERF_TXN_ELISION        = (1 << 0), /* From elision */