diff options
-rw-r--r-- | tools/perf/util/evlist.c | 19 | ||||
-rw-r--r-- | tools/perf/util/evlist.h | 2 |
2 files changed, 21 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index f1c79ecf8107..d29a8a118973 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -2138,3 +2138,22 @@ struct evsel *evlist__find_evsel(struct evlist *evlist, int idx) } return NULL; } + +int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf) +{ + struct evsel *evsel; + int printed = 0; + + evlist__for_each_entry(evlist, evsel) { + if (evsel__is_dummy_event(evsel)) + continue; + if (size > (strlen(evsel__name(evsel)) + (printed ? 2 : 1))) { + printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "," : "", evsel__name(evsel)); + } else { + printed += scnprintf(bf + printed, size - printed, "%s...", printed ? "," : ""); + break; + } + } + + return printed; +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index b695ffaae519..a8b97b50cceb 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -365,4 +365,6 @@ int evlist__ctlfd_ack(struct evlist *evlist); #define EVLIST_DISABLED_MSG "Events disabled\n" struct evsel *evlist__find_evsel(struct evlist *evlist, int idx); + +int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf); #endif /* __PERF_EVLIST_H */ |