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tracers: leaks: Use the new gst_debug_get_stack_trace

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And remove the local implementation of it.

https://bugzilla.gnome.org/show_bug.cgi?id=772555
This commit is contained in:
Thibault Saunier 2016-10-07 12:02:44 +02:00
parent a8d4857555
commit 85179a674f
3 changed files with 4 additions and 91 deletions
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3
plugins/tracers/Makefile.am
View file

@ -28,8 +28,7 @@ libgstcoretracers_la_CFLAGS = $(GST_OBJ_CFLAGS) \
-DGST_USE_UNSTABLE_API
libgstcoretracers_la_LIBADD = \
$(GST_PRINTF_LA) \
$(GST_OBJ_LIBS) \
$(UNWIND_LIBS)
$(GST_OBJ_LIBS)
libgstcoretracers_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstcoretracers_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)

90
plugins/tracers/gstleaks.c
View file

@ -32,17 +32,6 @@
# include "config.h"
#endif
#ifdef HAVE_UNWIND
/* No need for remote debugging so turn on the 'local only' optimizations in
* libunwind */
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#endif /* HAVE_UNWIND */
#ifdef HAVE_BACKTRACE
#include <execinfo.h>
#endif /* HAVE_BACKTRACE */
#include "gstleaks.h"
#ifdef G_OS_UNIX
@ -215,81 +204,6 @@ mini_object_weak_cb (gpointer data, GstMiniObject * object)
handle_object_destroyed (self, object);
}
#ifdef HAVE_UNWIND
#define BT_NAME_SIZE 256
static gchar *
generate_unwind_trace (void)
{
unw_context_t ctx;
unw_cursor_t cursor;
GString *trace;
if (unw_getcontext (&ctx))
return NULL;
if (unw_init_local (&cursor, &ctx))
return NULL;
trace = g_string_new (NULL);
while (unw_step (&cursor) > 0) {
char name[BT_NAME_SIZE];
unw_word_t offp;
int ret;
ret = unw_get_proc_name (&cursor, name, BT_NAME_SIZE, &offp);
/* -UNW_ENOMEM is returned if name has been truncated */
if (ret != 0 && ret != -UNW_ENOMEM)
break;
g_string_append_printf (trace, "%s\n", name);
}
return g_string_free (trace, FALSE);
}
#endif /* HAVE_UNWIND */
#ifdef HAVE_BACKTRACE
#define BT_BUF_SIZE 100
static gchar *
generate_backtrace_trace (void)
{
int j, nptrs;
void *buffer[BT_BUF_SIZE];
char **strings;
GString *trace;
trace = g_string_new (NULL);
nptrs = backtrace (buffer, BT_BUF_SIZE);
strings = backtrace_symbols (buffer, nptrs);
if (!strings)
return NULL;
for (j = 0; j < nptrs; j++)
g_string_append_printf (trace, "%s\n", strings[j]);
return g_string_free (trace, FALSE);
}
#endif /* HAVE_BACKTRACE */
static gchar *
generate_trace (void)
{
gchar *trace = NULL;
#ifdef HAVE_UNWIND
trace = generate_unwind_trace ();
if (trace)
return trace;
#endif /* HAVE_UNWIND */
#ifdef HAVE_BACKTRACE
trace = generate_backtrace_trace ();
#endif /* HAVE_BACKTRACE */
return trace;
}
static void
handle_object_created (GstLeaksTracer * self, gpointer object, GType type,
gboolean gobject)
@ -307,7 +221,7 @@ handle_object_created (GstLeaksTracer * self, gpointer object, GType type,
GST_OBJECT_LOCK (self);
if (self->log_stack_trace) {
trace = generate_trace ();
trace = gst_debug_get_stack_trace ();
}
g_hash_table_insert (self->objects, object, trace);
@ -350,7 +264,7 @@ gst_leaks_tracer_init (GstLeaksTracer * self)
gchar *trace;
/* Test if we can retrieve backtrace */
trace = generate_trace ();
trace = gst_debug_get_stack_trace ();
if (trace) {
self->log_stack_trace = TRUE;
g_free (trace);

2
plugins/tracers/meson.build
View file

@ -16,7 +16,7 @@ gst_tracers = library('gstcoretracers',
gst_tracers_sources,
c_args : tracers_args,
include_directories : [configinc],
dependencies : [gst_dep, unwind_dep],
dependencies : [gst_dep],
link_with : printf_lib,
install : true,
install_dir : '@0@/gstreamer-1.0'.format(get_option('libdir')),