Yes. for example: pfmon -e L3_READS_ALL_MISS:M:E:S:I,back_end_bubble_all,be_exe_bubble_all,l2d_references_reads,L3_READS_ALL_ALL:M:E:S:I,L3_READS_ALL_HIT:M:E:S:I,L2D_OZQ_CANCELS0_FILL_ST_CONF,l1dtlb_transfer,l2dtlb_misses,dtlb_inserts_hpw,er_mem_read_out_hi,er_mem_read_out_lo ls
That's 12 events and I get "cannot write PMCs: Invalid argument" Then delete any 6 events on the event list, i.e. remain 6 events, all will be ok on my system. > 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
