diff options
| author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2016-08-05 15:22:36 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-08-09 16:48:09 +0300 |
| commit | cb3f3378cd09aa3fe975b4ad5ee0229dc76315bb (patch) | |
| tree | c484ff0676fe81b0a85b2645bcfbe93cc716cf86 /tools/perf | |
| parent | 8e34189b347d76acf48ce05831176582201b664d (diff) | |
| download | linux-cb3f3378cd09aa3fe975b4ad5ee0229dc76315bb.tar.xz | |
perf probe: Fix module name matching
If module is "module" then dso->short_name is "[module]". Substring
comparing is't enough: "raid10" matches to "[raid1]". This patch also
checks terminating zero in module name.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: http://lkml.kernel.org/r/147039975648.715620.12985971832789032159.stgit@buzz
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/probe-event.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index d5ccb656fd81..1201f73ca723 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -170,8 +170,10 @@ static struct map *kernel_get_module_map(const char *module) module = "kernel"; for (pos = maps__first(maps); pos; pos = map__next(pos)) { + /* short_name is "[module]" */ if (strncmp(pos->dso->short_name + 1, module, - pos->dso->short_name_len - 2) == 0) { + pos->dso->short_name_len - 2) == 0 && + module[pos->dso->short_name_len - 2] == '\0') { return pos; } } |