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leaks: Allow user to set the flags to use to retrieve stack traces

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=775541
This commit is contained in:
Thibault Saunier 2016-12-02 08:29:11 -03:00 committed by Thibault Saunier
parent 30133909ce
commit 29f0a79880
2 changed files with 32 additions and 23 deletions
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53
plugins/tracers/gstleaks.c
View file

@ -25,7 +25,7 @@
* A tracing module tracking the lifetime of objects by logging those still
* alive when program is exiting and raising a warning.
* The type of objects tracked can be filtered using the parameters of the
* tracer, for example: GST_TRACERS=leaks(filters="GstEvent,GstMessage",print-traces=true)
* tracer, for example: GST_TRACERS=leaks(filters="GstEvent,GstMessage",stack-traces-flags=full)
*/
#ifdef HAVE_CONFIG_H
@ -88,27 +88,36 @@ object_refing_infos_free (ObjectRefingInfos * infos)
}
static void
set_print_stack_trace (GstLeaksTracer * self, GstStructure * params)
set_print_stack_trace_from_string (GstLeaksTracer * self, const gchar * str)
{
gchar *trace;
gboolean check_stack_trace =
g_getenv ("GST_LEAKS_TRACER_STACK_TRACE") != NULL;
if (!check_stack_trace && params)
gst_structure_get_boolean (params, "print-traces", &check_stack_trace);
if (!check_stack_trace)
return;
/* Test if we can retrieve backtrace */
trace = gst_debug_get_stack_trace (0);
if (trace) {
self->log_stack_trace = TRUE;
g_free (trace);
} else {
g_warning ("Can't retrieve backtrace on this system");
}
trace = gst_debug_get_stack_trace (FALSE);
if (!trace)
return;
g_free (trace);
if (g_strcmp0 (str, "full") == 0)
self->trace_flags = GST_STACK_TRACE_SHOW_FULL;
else
self->trace_flags = 0;
}
static void
set_print_stack_trace (GstLeaksTracer * self, GstStructure * params)
{
const gchar *trace_flags = g_getenv ("GST_LEAKS_TRACER_STACK_TRACE");
self->trace_flags = -1;
if (!trace_flags && params)
trace_flags = gst_structure_get_string (params, "stack-traces-flags");
if (!trace_flags)
return;
set_print_stack_trace_from_string (self, trace_flags);
}
static void
@ -309,8 +318,8 @@ handle_object_created (GstLeaksTracer * self, gpointer object, GType type,
mini_object_weak_cb, self);
GST_OBJECT_LOCK (self);
if (self->log_stack_trace)
infos->creation_trace = gst_debug_get_stack_trace (0);
if ((gint) self->trace_flags != -1)
infos->creation_trace = gst_debug_get_stack_trace (self->trace_flags);
g_hash_table_insert (self->objects, object, infos);
@ -362,8 +371,8 @@ handle_object_reffed (GstLeaksTracer * self, gpointer object, gint new_refcount,
refinfo->ts = ts;
refinfo->new_refcount = new_refcount;
refinfo->reffed = reffed;
if (self->log_stack_trace)
refinfo->trace = gst_debug_get_stack_trace (0);
if ((gint) self->trace_flags != -1)
refinfo->trace = gst_debug_get_stack_trace (self->trace_flags);
infos->refing_infos = g_list_prepend (infos->refing_infos, refinfo);

2
plugins/tracers/gstleaks.h
View file

@ -70,7 +70,7 @@ struct _GstLeaksTracer {
gboolean check_refs;
gboolean log_stack_trace;
GstStackTraceFlags trace_flags;
};
struct _GstLeaksTracerClass {