144 #define readtime() (_mm_lfence(), __rdtsc())  macro
146 static inline uint64_t readtime(void) {  in readtime()  function
151 #define readtime readtime  macro
155 #define readtime() checkasm_kperf_cycles()  macro
158 #define readtime() mach_absolute_time()  macro
162 #define readtime() (_InstructionSynchronizationBarrier(), ReadTimeStampCounter())  macro
164 static inline uint64_t readtime(void) {  in readtime()  function
176 #define readtime readtime  macro
179 static inline uint64_t readtime(void) {  in readtime()  function
188 #define readtime readtime  macro
190 static inline uint64_t readtime(void) {  in readtime()  function
206 #define readtime readtime  macro
214 #define readtime clock_gettime_nsec  macro
216 static inline uint64_t readtime(void) {  in readtime()  function
231 #define readtime readtime  macro