Hi, Development of libpfm3 and perfmon has been stopped two years ago.
You are encouraged to use perf and perf_events from now on. On Fri, Mar 11, 2011 at 2:51 AM, 陳韋任 <che...@iis.sinica.edu.tw> wrote: > Hi, > >> Sorry for the last reply, I accidentally hit the send button. I think it >> needs to be 1 to 1. When we use signal handler to catch the overflow, the >> thread being monitored is interrupted and then go to the ovflw handler just >> like in the dear example. >> >> If we don't use overflow handler, we still need one extra thread to read the >> notification message, for example in the ibs example. > > I think here needs some clarification. Actually, I want to ask if we > can sampling multiple threads from one thread by using libpfm4 or > perf_events. But information about libpfm3 or perfmon is also welcomed. > :) > You can measure multiple threads from one thread in perf_events. Perf_events has support for automatic inheritance in child processes and threads. To collect a profile: $ perf record -e cycles my_multi_threaded_program $ perf report $ perf annotate > Regards, > chenwj > > -- > Wei-Ren Chen (陳韋任) > Parallel Processing Lab, Institute of Information Science, > Academia Sinica, Taiwan (R.O.C.) > Tel:886-2-2788-3799 #1667 > > ------------------------------------------------------------------------------ > Colocation vs. Managed Hosting > A question and answer guide to determining the best fit > for your organization - today and in the future. > http://p.sf.net/sfu/internap-sfd2d > _______________________________________________ > perfmon2-devel mailing list > perfmon2-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/perfmon2-devel > ------------------------------------------------------------------------------ Colocation vs. Managed Hosting A question and answer guide to determining the best fit for your organization - today and in the future. http://p.sf.net/sfu/internap-sfd2d _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
