Hi > This function usually sleeps a couple of times, so it may change cpu. > If get_cycles is called the first time (function start) on one cpu and the > second one on another one, will this difference of get_cycle values be > meaningful? IMHO, they are getting the same "jiffies" variable (or TSC?) I guess and they are not something per-CPU defined. So, yes you still should get meaningful output. regards, Mulyadi -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ