diff options
| author | Jiri Olsa <[email protected]> | 2015-11-21 11:23:55 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2015-11-23 18:31:25 -0300 |
| commit | 646a6e846c4dc3812c614fd061603b6db5b8d380 (patch) | |
| tree | f25e0882c41f219103dd7e2fc5d8d1de05224240 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py | |
| parent | 7d6852432acb3b09fc3ec45dd65421d34eebe3b5 (diff) | |
perf callchain: Add missing parent_val initialization
Adding missing parent_val callchain_node initialization.
It's causing segfault in perf top:
$ sudo perf top -g
perf: Segmentation fault
-------- backtrace --------
free_callchain_node(+0x29) in perf [0x4a4b3e]
free_callchain(+0x29) in perf [0x4a5a83]
hist_entry__delete(+0x126) in perf [0x4c6649]
hists__delete_entry(+0x6e) in perf [0x4c66dc]
hists__decay_entries(+0x7d) in perf [0x4c6776]
perf_top__sort_new_samples(+0x7c) in perf [0x436a78]
hist_browser__run(+0xf2) in perf [0x507760]
perf_evsel__hists_browse(+0x1da) in perf [0x507c8d]
perf_evlist__tui_browse_hists(+0x3e) in perf [0x5088cf]
display_thread_tui(+0x7f) in perf [0x437953]
start_thread(+0xc5) in libpthread-2.21.so [0x7f7068fbb555]
__clone(+0x6d) in libc-2.21.so [0x7f7066fc3b9d]
[0x0]
Reported-and-Tested-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Jiri Olsa <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Wang Nan <[email protected]>
Fixes: 4b3a3212233a ("perf hists browser: Support flat callchains")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py')
0 files changed, 0 insertions, 0 deletions