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-rw-r--r--tools/perf/util/session.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 0564a5cfb12e..030791870e33 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -92,6 +92,7 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool forc
memcpy(self->filename, filename, len);
self->threads = RB_ROOT;
+ INIT_LIST_HEAD(&self->dead_threads);
self->hists_tree = RB_ROOT;
self->last_match = NULL;
self->mmap_window = 32;
@@ -133,6 +134,16 @@ void perf_session__delete(struct perf_session *self)
free(self);
}
+void perf_session__remove_thread(struct perf_session *self, struct thread *th)
+{
+ rb_erase(&th->rb_node, &self->threads);
+ /*
+ * We may have references to this thread, for instance in some hist_entry
+ * instances, so just move them to a separate list.
+ */
+ list_add_tail(&th->node, &self->dead_threads);
+}
+
static bool symbol__match_parent_regex(struct symbol *sym)
{
if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))