add a cpu measurement macro for test purpose

common/utils/time_meas.h

@@ -218,4 +218,10 @@ time_stats_t *register_meas(char *name);
 void send_meas(time_stats_t *ts, int msgid);
 void end_meas(void);
 
+#define timeIt(a)                                           \
+  {                                                         \
+    uint64_t deb = rdtsc_oai();                             \
+    a;                                                      \
+    LOG_W(UTIL, #a ": %llu\n", (rdtsc_oai() - deb) / 3000); \
+  }
 #endif