tracers: leaks: delay type name lookup

Micro optimisation: Store the quark of the type name when tracking
objects and only do the quark to string conversion (hashtable lookup)
later when we actually need the string.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2846>
This commit is contained in:
Tim-Philipp Müller 2022-08-03 12:32:24 +01:00
parent 6212831f04
commit 703f05b6f9

View file

@ -318,7 +318,7 @@ should_handle_object_type (GstLeaksTracer * self, GType object_type)
typedef struct
{
gpointer object;
const gchar *type_name;
GQuark type_qname;
} ObjectLog;
static ObjectLog *
@ -330,10 +330,10 @@ object_log_new (gpointer obj, ObjectKind kind)
switch (kind) {
case GOBJECT:
o->type_name = G_OBJECT_TYPE_NAME (obj);
o->type_qname = g_type_qname (G_OBJECT_TYPE (obj));
break;
case MINI_OBJECT:
o->type_name = g_type_name (GST_MINI_OBJECT_TYPE (obj));
o->type_qname = g_type_qname (GST_MINI_OBJECT_TYPE (obj));
break;
default:
g_assert_not_reached ();
@ -1058,16 +1058,18 @@ process_checkpoint (GstTracerRecord * record, const gchar * record_type,
while (g_hash_table_iter_next (&iter, &o, NULL)) {
ObjectLog *obj = o;
const gchar *type_name = g_quark_to_string (obj->type_qname);
if (!ret) {
/* log to the debug log */
gst_tracer_record_log (record, obj->type_name, obj->object);
gst_tracer_record_log (record, type_name, obj->object);
} else {
GValue s_value = G_VALUE_INIT;
GValue addr_value = G_VALUE_INIT;
gchar *address = g_strdup_printf ("%p", obj->object);
GstStructure *s = gst_structure_new_empty (record_type);
/* copy type_name because it's owned by @obj */
gst_structure_set (s, "type-name", G_TYPE_STRING, obj->type_name, NULL);
gst_structure_set (s, "type-name", G_TYPE_STRING, type_name, NULL);
/* avoid copy of @address */
g_value_init (&addr_value, G_TYPE_STRING);
g_value_take_string (&addr_value, address);