diff options
| author | Ravi Bangoria | 2020-02-04 10:22:31 +0530 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2020-02-27 11:47:23 -0300 |
| commit | e0560ba6d92f06dbe13e9d11c921a60c07ea6fcc (patch) | |
| tree | d3c1ef8704af24adc907f22e8d57c14c251ecb09 | |
| parent | d3c03147bf8019bda821334428e0ba31ce4fb425 (diff) | |
perf annotate: Fix segfault with source toggle
While rendering annotate browser from perf report tui, we keep track
of total number of lines(asm + source) in annotation->nr_entries and
total number of asm lines in annotation->nr_asm_entries. But we don't
reset them before starting. Thus if user annotates same function
multiple times, we restart incrementing these fields with old values.
This causes a segfault when user tries to toggle source code after
annotating same function multiple times. Fix it.
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Link: http://lore.kernel.org/lkml/20200204045233.474937-5-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/annotate.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index c816e5840166..0ea95be84b3b 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -2621,6 +2621,8 @@ void annotation__set_offsets(struct annotation *notes, s64 size) struct annotation_line *al; notes->max_line_len = 0; + notes->nr_entries = 0; + notes->nr_asm_entries = 0; list_for_each_entry(al, ¬es->src->source, node) { size_t line_len = strlen(al->line); |