diff options
| -rw-r--r-- | tools/perf/util/thread.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index c090654cb6c0..21b92162282b 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -31,15 +31,41 @@ static struct thread *thread__new(pid_t pid) return self; } +static void map_groups__flush(struct map_groups *self) +{ + int type; + + for (type = 0; type < MAP__NR_TYPES; type++) { + struct rb_root *root = &self->maps[type]; + struct rb_node *next = rb_first(root); + + while (next) { + struct map *pos = rb_entry(next, struct map, rb_node); + next = rb_next(&pos->rb_node); + rb_erase(&pos->rb_node, root); + /* + * We may have references to this map, for + * instance in some hist_entry instances, so + * just move them to a separate list. + */ + list_add_tail(&pos->node, &self->removed_maps[pos->type]); + } + } +} + int thread__set_comm(struct thread *self, const char *comm) { + int err; + if (self->comm) free(self->comm); self->comm = strdup(comm); - if (self->comm == NULL) - return -ENOMEM; - self->comm_set = true; - return 0; + err = self->comm == NULL ? -ENOMEM : 0; + if (!err) { + self->comm_set = true; + map_groups__flush(&self->mg); + } + return err; } int thread__comm_len(struct thread *self) |