On Wed, Aug 18, 2010 at 11:21 AM, stephane eranian <eran...@googlemail.com> wrote: > Lin, > > It should not have chosen intel_x86_arch to begin with. > That's where the bug is. Let me fix this. > > Fixed in the git tree, just pull again. Thanks for reporting this issue.
> On Wed, Aug 18, 2010 at 9:46 AM, Lin Ming <ming.m....@intel.com> wrote: >> On P4 machine, intel_x86_arch_support.get_event_info(...) faults because >> intel_x86_arch_support.pe is NULL. >> >> intel_x86_arch_support.pe is set at run time, but P4 does not have arch >> event support, so intel_x86_arch_support.pe is always NULL. >> >> #gdb libpfm4/examples/check_events >> >> Program received signal SIGSEGV, Segmentation fault. >> [Switching to Thread 0xb785caf0 (LWP 3950)] >> 0x0804d74b in pfm_intel_x86_get_event_info (this=0x81c5f80, idx=0, >> info=0xbff45f14) >> at pfmlib_intel_x86.c:667 >> 667 info->desc = pe[idx].desc; >> (gdb) bt >> #0 0x0804d74b in pfm_intel_x86_get_event_info (this=0x81c5f80, idx=0, >> info=0xbff45f14) >> at pfmlib_intel_x86.c:667 >> #1 0x08049cd3 in pfmlib_parse_event (event=0x804fb7b >> "PERF_COUNT_HW_CPU_CYCLES", d=0xbff45f7c) >> at pfmlib_common.c:676 >> #2 0x08049f3f in pfm_get_event_encoding (str=0x804fb7b >> "PERF_COUNT_HW_CPU_CYCLES", dfl_plm=8, >> fstr=0xbff464d4, idx=0xbff464c8, codes=0xbff464d0, count=0xbff464cc) at >> pfmlib_common.c:877 >> #3 0x08048dc1 in main (argc=<value optimized out>, argv=0xbff46584) at >> check_events.c:118 >> (gdb) list >> 662 >> 663 /* >> 664 * pmu and idx filled out by caller >> 665 */ >> 666 info->name = pe[idx].name; >> 667 info->desc = pe[idx].desc; >> 668 info->code = pe[idx].code; >> 669 info->equiv = pe[idx].equiv; >> 670 >> 671 /* unit masks + modifiers */ >> (gdb) >> >> Any fix? >> >> Lin Ming >> >> > ------------------------------------------------------------------------------ This SF.net email is sponsored by Make an app they can't live without Enter the BlackBerry Developer Challenge http://p.sf.net/sfu/RIM-dev2dev _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
