On 2012.08.01 at 14:21 +0200, Jiri Olsa wrote: > On Wed, Aug 01, 2012 at 01:57:40PM +0200, Markus Trippelsdorf wrote: > > On 2012.07.31 at 16:14 +0200, Ingo Molnar wrote: > > > Jiri Olsa (4): > > > perf symbols: Factor DSO symtab types to generic binary types > > > > The commit above causes perf segfaults on my machine (running glibc trunk): > > > > (gdb) run top --stdio > > Starting program: /usr/src/linux/tools/perf/perf top --stdio > > warning: no loadable sections found in added symbol-file system-supplied > > DSO at 0x7ffff7ffa000 > > [Thread debugging using libthread_db enabled] > > Using host libthread_db library "/lib/libthread_db.so.1". > > > > Program received signal SIGSEGV, Segmentation fault. > > dso__load (dso=0x6661d0, map=map@entry=0x666170, > > filter=filter@entry=0x426840 <symbol_filter>) at util/symbol.c:1833 > > 1833 dso->symtab_type = binary_type_symtab[i]; > > (gdb) bt > > #0 dso__load (dso=0x6661d0, map=map@entry=0x666170, > > filter=filter@entry=0x426840 <symbol_filter>) at util/symbol.c:1833 > > #1 0x000000000045fe87 in map__load (self=self@entry=0x666170, > > filter=filter@entry=0x426840 <symbol_filter>) at util/map.c:124 > > #2 0x000000000045ffbd in map__find_symbol (self=0x666170, addr=11008, > > filter=filter@entry=0x426840 <symbol_filter>) at util/map.c:168 > > #3 0x000000000043b5df in perf_event__preprocess_sample > > (event=event@entry=0x7ffff44c8720, machine=machine@entry=0x647730, > > al=al@entry=0x7fffffffb030, sample=sample@entry=0x7fffffffb060, > > filter=filter@entry=0x426840 <symbol_filter>) at util/event.c:886 > > #4 0x0000000000426d8e in perf_event__process_sample (machine=0x647730, > > sample=0x7fffffffb060, evsel=<optimized out>, event=0x7ffff44c8720, > > tool=0x7fffffffb2c0) at builtin-top.c:723 > > #5 perf_top__mmap_read_idx (top=top@entry=0x7fffffffb2c0, idx=idx@entry=3) > > at builtin-top.c:858 > > #6 0x00000000004291c3 in perf_top__mmap_read (top=<optimized out>) at > > builtin-top.c:873 > > #7 __cmd_top (top=0x7fffffffb2c0) at builtin-top.c:1040 > > #8 cmd_top (argc=<optimized out>, argv=<optimized out>, prefix=<optimized > > out>) at builtin-top.c:1348 > > #9 0x0000000000414d03 in run_builtin (p=p@entry=0x4dc888, > > argc=argc@entry=2, argv=argv@entry=0x7fffffffe0b0) at perf.c:273 > > #10 0x0000000000415487 in handle_internal_command (argv=0x7fffffffe0b0, > > argc=2) at perf.c:345 > > #11 run_argv (argv=0x7fffffffdeb0, argcp=0x7fffffffdebc) at perf.c:389 > > #12 main (argc=2, argv=0x7fffffffe0b0) at perf.c:487 > > (gdb)
> I cannot reproduce, but found one obvious bug, > could you please test? Your patch fixes the issue. Thank you. -- Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
