On 04/18/11 11:46, Kumar Ranjit-B04060 wrote: > David > > > > meaning periodic samples of the counter? perf-record does not generate > periodic reads of H/W counters. > > Just curious, How does then the profiling works? Perf report shows % no of > sample point corresponding a particular event. So it must be sampling the PC > periodically. > Regards > Ranjit
With H/W counters the values of the counters are not read when samples are created. David -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
