diff options
Diffstat (limited to 'tools/perf/util/parse-events.y')
| -rw-r--r-- | tools/perf/util/parse-events.y | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 79f254189be6..6f1042272dda 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -193,7 +193,10 @@ PE_NAME '{' events '}' { struct list_head *list = $3; - /* Takes ownership of $1. */ + /* + * Set the first entry of list to be the leader. Set the group name on + * the leader to $1 taking ownership. + */ parse_events__set_leader($1, list); $$ = list; } @@ -202,6 +205,7 @@ PE_NAME '{' events '}' { struct list_head *list = $2; + /* Set the first entry of list to be the leader clearing the group name. */ parse_events__set_leader(NULL, list); $$ = list; } |