On Thu, Apr 2, 2009 at 3:29 PM, <x...@ict.ac.cn> wrote: > Hi all: > > Now I'm using a dual-core Itanium2 processor with perfmon kernel 2.81, > pfmlib and pfmon V3.7. > I have used pfmon3.2 with kernel 2.0 for long time. I updated the perfmon > kernel to 2.81 recently and now I get problems. When I count for more than > 6 events with pfmon, I get the error message "cannot write PMCs: Invalid > argument". If the number of events is less than or equal to 6, pfmon works > well.
You need to provide the exact pfmon cmdline so I can try and reproduce the problem. > > I also get the dmessage as "perfmon: perfmon: Errata 121 PMD10/PMD15 > cannot be used to overflowwhen threads on on" when that error occurs. > That is normal. There is indeed a processor bug. > Note that Montecito processor has 12 PMUs. > Yes, but there are restrictions on some events. ------------------------------------------------------------------------------ _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel