Lin, It should not have chosen intel_x86_arch to begin with. That's where the bug is. Let me fix this.
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