2009/4/2 <x...@ict.ac.cn>: > If I did the correct thing that you mean, > no output for "pfmon/tests/pfdbg --on --printk" > and the result of pfmon cmdline not change > Yes, that's normal, it just enabled kernel level debugging output. grab what you have about perfmon in /var/log/syslog.
> >> 2009/4/2 <x...@ict.ac.cn>: >>> >>> 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 >> >> Works for me on my system. >> You need to enable perfmon debugging and send me the output. >> in the pfmon package, do: >> pfmon/tests/pfdbg --on --printk >> >> run test, grab syslog output. >> >>> >>> 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, 聽<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