From d65a458b348cd458413b3cfec66e43ebd0367646 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 30 Jul 2010 18:31:28 -0300
Subject: perf tools: Release session and symbol resources on exit

So that we reduce the noise when looking for leaks using tools such as
valgrind.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/session.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'tools/perf/util/session.c')

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 8cbea122e349..04a3b3db9e90 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -124,9 +124,35 @@ out_delete:
 	return NULL;
 }
 
+static void perf_session__delete_dead_threads(struct perf_session *self)
+{
+	struct thread *n, *t;
+
+	list_for_each_entry_safe(t, n, &self->dead_threads, node) {
+		list_del(&t->node);
+		thread__delete(t);
+	}
+}
+
+static void perf_session__delete_threads(struct perf_session *self)
+{
+	struct rb_node *nd = rb_first(&self->threads);
+
+	while (nd) {
+		struct thread *t = rb_entry(nd, struct thread, rb_node);
+
+		rb_erase(&t->rb_node, &self->threads);
+		nd = rb_next(nd);
+		thread__delete(t);
+	}
+}
+
 void perf_session__delete(struct perf_session *self)
 {
 	perf_header__exit(&self->header);
+	perf_session__delete_dead_threads(self);
+	perf_session__delete_threads(self);
+	machine__exit(&self->host_machine);
 	close(self->fd);
 	free(self);
 }
-- 
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