diff options
Diffstat (limited to 'tools/perf/builtin-script.c')
| -rw-r--r-- | tools/perf/builtin-script.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 5e2f9d20a296..c691214d820f 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -617,9 +617,24 @@ struct perf_script { bool allocated; struct cpu_map *cpus; struct thread_map *threads; + int name_width; }; -static void process_event(struct perf_script *script __maybe_unused, union perf_event *event, +static int perf_evlist__max_name_len(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel; + int max = 0; + + evlist__for_each(evlist, evsel) { + int len = strlen(perf_evsel__name(evsel)); + + max = MAX(len, max); + } + + return max; +} + +static void process_event(struct perf_script *script, union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, struct addr_location *al) { @@ -636,7 +651,12 @@ static void process_event(struct perf_script *script __maybe_unused, union perf_ if (PRINT_FIELD(EVNAME)) { const char *evname = perf_evsel__name(evsel); - printf("%s: ", evname ? evname : "[unknown]"); + + if (!script->name_width) + script->name_width = perf_evlist__max_name_len(script->session->evlist); + + printf("%*s: ", script->name_width, + evname ? evname : "[unknown]"); } if (print_flags) |