Hi, On 14-08-26 11:21 PM, Jessica Foest wrote: > Hi > > i tried to retrieve system calls traces with all perf context parameters > . the problem is that only a few PERF counters are activated and lttng > fails to activate the other perf context parameters. > how can i solve it ?
There is a hardware limit on the number perf PMU counters that can be activated at the same time. It depends on the CPU and if you are on a virtual machine. If I remember correctly it is 3 or 4 on the i7. Julien _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
