... > > Frequence scaling I can't imagine on my dektop machine. > > It is a jump between 350ns and 800ns. In the loop below > > all the events of one test run are of equal time distance, > > either slow or fast. > > Frequency scaling can still definitely play a role, even on a desktop machine. > Also, Core i5 chips support Turbo Boost which should be disabled to > perform benchmarks. > > I'm guessing you get your time measurements from the timestamps in the > trace? Yes
I'm not hunting for a detailed benchmark. Only such a large variance makes me thoughtful. For such a test I did expect some 10-30% but not this more than 200%. Wolfgang R. _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
