diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 10107747b361..5795f3a8f71c 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -2190,6 +2190,29 @@ int parse_events_option(const struct option *opt, const char *str, return ret; } +int parse_events_option_new_evlist(const struct option *opt, const char *str, int unset) +{ + struct evlist **evlistp = opt->value; + int ret; + + if (*evlistp == NULL) { + *evlistp = evlist__new(); + + if (*evlistp == NULL) { + fprintf(stderr, "Not enough memory to create evlist\n"); + return -1; + } + } + + ret = parse_events_option(opt, str, unset); + if (ret) { + evlist__delete(*evlistp); + *evlistp = NULL; + } + + return ret; +} + static int foreach_evsel_in_last_glob(struct evlist *evlist, int (*func)(struct evsel *evsel, diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index 27596cbd0ba0..6ead9661238c 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -31,6 +31,7 @@ bool have_tracepoints(struct list_head *evlist); const char *event_type(int type); int parse_events_option(const struct option *opt, const char *str, int unset); +int parse_events_option_new_evlist(const struct option *opt, const char *str, int unset); int parse_events(struct evlist *evlist, const char *str, struct parse_events_error *error); int parse_events_terms(struct list_head *terms, const char *str);