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profiler: Allow enable tracing via env var

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This is helpful to e.g. trace e.g. launching.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2678>
This commit is contained in:
Jonas Ådahl 2022-10-13 14:52:59 +02:00 committed by Marge Bot
parent ca2057da9a
commit 1efb93e145
1 changed files with 26 additions and 0 deletions
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26
src/core/meta-profiler.c
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@ -36,6 +36,7 @@ struct _MetaProfiler
GDBusConnection *connection;
GCancellable *cancellable;
gboolean persistent;
gboolean running;
};
@ -105,6 +106,15 @@ handle_stop (MetaDBusSysprof3Profiler *dbus_profiler,
{
MetaProfiler *profiler = META_PROFILER (dbus_profiler);
if (profiler->persistent)
{
g_dbus_method_invocation_return_error (invocation,
G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Can't stop persistent profiling");
return TRUE;
}
if (!profiler->running)
{
g_dbus_method_invocation_return_error (invocation,
@ -188,12 +198,28 @@ meta_profiler_class_init (MetaProfilerClass *klass)
static void
meta_profiler_init (MetaProfiler *self)
{
const char *env_trace_file;
self->cancellable = g_cancellable_new ();
g_bus_get (G_BUS_TYPE_SESSION,
self->cancellable,
on_bus_acquired_cb,
self);
env_trace_file = g_getenv ("MUTTER_DEBUG_TRACE_FILE");
if (env_trace_file && env_trace_file[0])
{
GMainContext *main_context = g_main_context_default ();
const char *group_name;
/* Translators: this string will appear in Sysprof */
group_name = _("Compositor");
cogl_set_tracing_enabled_on_thread (main_context,
group_name,
env_trace_file);
}
}
MetaProfiler *