diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 916f237c1df80332cd7b82eca29ec228dd71426a..3834b264ba41b257799dad51c57750815d35f25f 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -661,6 +661,7 @@ static int annotate_browser__run(struct annotate_browser *browser, "t Circulate percent, total period, samples view\n" "/ Search string\n" "k Toggle line numbers\n" + "P Print to [symbol_name].annotation file.\n" "r Run available scripts\n" "? Search string backwards\n"); continue; @@ -737,6 +738,9 @@ static int annotate_browser__run(struct annotate_browser *browser, } continue; } + case 'P': + map_symbol__annotation_dump(ms, evsel); + continue; case 't': if (notes->options->show_total_period) { notes->options->show_total_period = false; diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 7a6a85f9fea6dc8bd430f2ffc2b03dfcb76cb1bc..a7111871440e3959463e319bbc843561f767daae 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -2037,6 +2037,37 @@ int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp) return 0; } +int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel) +{ + const char *ev_name = perf_evsel__name(evsel); + char buf[1024]; + char *filename; + int err = -1; + FILE *fp; + + if (asprintf(&filename, "%s.annotation", ms->sym->name) < 0) + return -1; + + fp = fopen(filename, "w"); + if (fp == NULL) + goto out_free_filename; + + if (perf_evsel__is_group_event(evsel)) { + perf_evsel__group_desc(evsel, buf, sizeof(buf)); + ev_name = buf; + } + + fprintf(fp, "%s() %s\nEvent: %s\n\n", + ms->sym->name, ms->map->dso->long_name, ev_name); + symbol__annotate_fprintf2(ms->sym, fp); + + fclose(fp); + err = 0; +out_free_filename: + free(filename); + return err; +} + void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) { struct annotation *notes = symbol__annotation(sym); diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 3faa58045b2269d9661b04eb63995c5793c37f6c..365e9df888cf3865f56b31cc7326613e3e9dba62 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -288,6 +288,8 @@ void symbol__annotate_zero_histogram(struct symbol *sym, int evidx); void symbol__annotate_decay_histogram(struct symbol *sym, int evidx); void annotated_source__purge(struct annotated_source *as); +int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel); + bool ui__has_annotation(void); int symbol__tty_annotate(struct symbol *sym, struct map *map,