On Mon, Mar 21, 2011 at 6:52 AM, 陳韋任 <che...@iis.sinica.edu.tw> wrote: > Hi, > >> Note that not all events support PEBS. This is PMU specific. The kernel >> rejects any attempts to use PEBS on events which do not support it. > > $ perf stat -e branches:pp ls > No permission to collect stats. > Consider tweaking /proc/sys/kernel/perf_event_paranoid. > I doubt this problem is permission related. It may be that perf is over-interpreting the error code.
> Does above mean event "branches" does not support PBES? Or something > else? > I suspect so. Older version of perf add poor error messages. Which machine is this running on? > Thanks! > > 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
