diff options
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/evlist.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/parse-events.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index fac1a01ba13f..1472d2179be1 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -111,6 +111,7 @@ void evlist__add(struct evlist *evlist, struct evsel *entry); void evlist__remove(struct evlist *evlist, struct evsel *evsel); int arch_evlist__cmp(const struct evsel *lhs, const struct evsel *rhs); +int arch_evlist__add_required_events(struct list_head *list); int evlist__add_dummy(struct evlist *evlist); struct evsel *evlist__add_aux_dummy(struct evlist *evlist, bool system_wide); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index fe2073c6b549..01fa8c80998b 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -2190,6 +2190,11 @@ static int evlist__cmp(void *_fg_idx, const struct list_head *l, const struct li return arch_evlist__cmp(lhs, rhs); } +int __weak arch_evlist__add_required_events(struct list_head *list __always_unused) +{ + return 0; +} + static int parse_events__sort_events_and_fix_groups(struct list_head *list) { int idx = 0, force_grouped_idx = -1; @@ -2201,6 +2206,11 @@ static int parse_events__sort_events_and_fix_groups(struct list_head *list) struct evsel *force_grouped_leader = NULL; bool last_event_was_forced_leader = false; + /* On x86 topdown metrics events require a slots event. */ + ret = arch_evlist__add_required_events(list); + if (ret) + return ret; + /* * Compute index to insert ungrouped events at. Place them where the * first ungrouped event appears. |