forked from Minki/linux
665aa75700
A dynamic entry is created for each tracepoint event. When it sets up the sort key, it checks with existing keys using ->equal() callback. But it missed to set the ->equal for dynamic entries. The following segfault was due to the missing ->equal() callback. (gdb) bt #0 0x0000000000140003 in ?? () #1 0x0000000000537769 in fmt_equal (b=0x2106980, a=0x21067a0) at ui/hist.c:548 #2 perf_hpp__setup_output_field (list=0x8c6d80 <perf_hpp_list>) at ui/hist.c:560 #3 0x00000000004e927e in setup_sorting (evlist=<optimized out>) at util/sort.c:2642 #4 0x000000000043cf50 in cmd_report (argc=<optimized out>, argv=<optimized out>, prefix=<optimized out>) at builtin-report.c:932 #5 0x00000000004865a1 in run_builtin (p=p@entry=0x8bbce0 <commands+192>, argc=argc@entry=7, argv=argv@entry=0x7ffd24d56ce0) at perf.c:390 #6 0x000000000042dc1f in handle_internal_command (argv=0x7ffd24d56ce0, argc=7) at perf.c:451 #7 run_argv (argv=0x7ffd24d56a70, argcp=0x7ffd24d56a7c) at perf.c:495 #8 main (argc=7, argv=0x7ffd24d56ce0) at perf.c:620 Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1456064558-13086-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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