profile: Add a Sysprof-based profiler

This exposes the /org/gnome/Sysprof3/Profiler object
inside Mutter to allow initiating a Sysprof capture.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/197
This commit is contained in:
Georges Basile Stavracas Neto 2018-08-10 17:42:12 -03:00
parent 04fb6f7659
commit 17c5436f6e
No known key found for this signature in database
GPG Key ID: 886C17EE170D1385
4 changed files with 256 additions and 0 deletions

View File

@ -64,6 +64,7 @@
#include "clutter/clutter-mutter.h" #include "clutter/clutter-mutter.h"
#include "meta/main.h" #include "meta/main.h"
#include "meta/meta-backend.h" #include "meta/meta-backend.h"
#include "backends/meta-profiler.h"
#include "meta/util.h" #include "meta/util.h"
#ifdef HAVE_REMOTE_DESKTOP #ifdef HAVE_REMOTE_DESKTOP
@ -126,6 +127,7 @@ struct _MetaBackendPrivate
MetaScreenCast *screen_cast; MetaScreenCast *screen_cast;
MetaRemoteDesktop *remote_desktop; MetaRemoteDesktop *remote_desktop;
#endif #endif
MetaProfiler *profiler;
ClutterBackend *clutter_backend; ClutterBackend *clutter_backend;
ClutterActor *stage; ClutterActor *stage;
@ -192,6 +194,7 @@ meta_backend_finalize (GObject *object)
g_hash_table_destroy (priv->device_monitors); g_hash_table_destroy (priv->device_monitors);
g_clear_object (&priv->settings); g_clear_object (&priv->settings);
g_clear_object (&priv->profiler);
G_OBJECT_CLASS (meta_backend_parent_class)->finalize (object); G_OBJECT_CLASS (meta_backend_parent_class)->finalize (object);
} }
@ -841,6 +844,8 @@ meta_backend_initable_init (GInitable *initable,
system_bus_gotten_cb, system_bus_gotten_cb,
backend); backend);
priv->profiler = meta_profiler_new ();
return TRUE; return TRUE;
} }

View File

@ -0,0 +1,193 @@
/*
* Copyright (C) 2019 Endless, Inc
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "config.h"
#include "src/backends/meta-profiler.h"
#include <glib-unix.h>
#include <gio/gunixfdlist.h>
#include "cogl/cogl-trace.h"
#define META_SYSPROF_PROFILER_DBUS_PATH "/org/gnome/Sysprof3/Profiler"
struct _MetaProfiler
{
MetaDBusSysprof3ProfilerSkeleton parent_instance;
GDBusConnection *connection;
GCancellable *cancellable;
gboolean running;
};
static void
meta_sysprof_capturer_init_iface (MetaDBusSysprof3ProfilerIface *iface);
G_DEFINE_TYPE_WITH_CODE (MetaProfiler,
meta_profiler,
META_DBUS_TYPE_SYSPROF3_PROFILER_SKELETON,
G_IMPLEMENT_INTERFACE (META_DBUS_TYPE_SYSPROF3_PROFILER,
meta_sysprof_capturer_init_iface))
static gboolean
handle_start (MetaDBusSysprof3Profiler *dbus_profiler,
GDBusMethodInvocation *invocation,
GVariant *options,
GVariant *fd_variant)
{
MetaProfiler *profiler = META_PROFILER (dbus_profiler);
GMainContext *main_context = g_main_context_default ();
GDBusMessage *message;
GUnixFDList *fd_list;
int position;
int fd = -1;
if (profiler->running)
{
g_dbus_method_invocation_return_error (invocation,
G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Profiler already running");
return TRUE;
}
g_variant_get (fd_variant, "h", &position);
message = g_dbus_method_invocation_get_message (invocation);
fd_list = g_dbus_message_get_unix_fd_list (message);
if (fd_list)
fd = g_unix_fd_list_get (fd_list, position, NULL);
if (fd != -1)
cogl_set_tracing_enabled_on_thread_with_fd (main_context, fd);
else
cogl_set_tracing_enabled_on_thread (main_context, "mutter-profile.syscap");
profiler->running = TRUE;
g_debug ("Profiler running");
meta_dbus_sysprof3_profiler_complete_start (dbus_profiler, invocation);
return TRUE;
}
static gboolean
handle_stop (MetaDBusSysprof3Profiler *dbus_profiler,
GDBusMethodInvocation *invocation)
{
MetaProfiler *profiler = META_PROFILER (dbus_profiler);
if (!profiler->running)
{
g_dbus_method_invocation_return_error (invocation,
G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Profiler not running");
return TRUE;
}
cogl_set_tracing_disabled_on_thread (g_main_context_default ());
profiler->running = FALSE;
g_debug ("Stopping profiler");
meta_dbus_sysprof3_profiler_complete_stop (dbus_profiler, invocation);
return TRUE;
}
static void
meta_sysprof_capturer_init_iface (MetaDBusSysprof3ProfilerIface *iface)
{
iface->handle_start = handle_start;
iface->handle_stop = handle_stop;
}
static void
on_bus_acquired_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr (GDBusConnection) connection = NULL;
GDBusInterfaceSkeleton *interface_skeleton;
g_autoptr (GError) error = NULL;
MetaProfiler *profiler;
connection = g_bus_get_finish (result, &error);
if (error)
{
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
g_warning ("Failed to get session bus: %s\n", error->message);
return;
}
profiler = META_PROFILER (user_data);
interface_skeleton = G_DBUS_INTERFACE_SKELETON (profiler);
if (!g_dbus_interface_skeleton_export (interface_skeleton,
connection,
META_SYSPROF_PROFILER_DBUS_PATH,
&error))
{
g_warning ("Failed to export profiler object: %s\n", error->message);
return;
}
profiler->connection = g_steal_pointer (&connection);
}
static void
meta_profiler_finalize (GObject *object)
{
MetaProfiler *self = (MetaProfiler *)object;
g_cancellable_cancel (self->cancellable);
g_clear_object (&self->cancellable);
g_clear_object (&self->connection);
G_OBJECT_CLASS (meta_profiler_parent_class)->finalize (object);
}
static void
meta_profiler_class_init (MetaProfilerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_profiler_finalize;
}
static void
meta_profiler_init (MetaProfiler *self)
{
self->cancellable = g_cancellable_new ();
g_bus_get (G_BUS_TYPE_SESSION,
self->cancellable,
on_bus_acquired_cb,
self);
}
MetaProfiler *
meta_profiler_new (void)
{
return g_object_new (META_TYPE_PROFILER, NULL);
}

View File

@ -0,0 +1,41 @@
/*
* Copyright (C) 2019 Endless, Inc
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef META_PROFILER_H
#define META_PROFILER_H
#include <glib-object.h>
#include "meta-dbus-sysprof3-profiler.h"
G_BEGIN_DECLS
#define META_TYPE_PROFILER (meta_profiler_get_type())
G_DECLARE_FINAL_TYPE (MetaProfiler,
meta_profiler,
META,
PROFILER,
MetaDBusSysprof3ProfilerSkeleton)
MetaProfiler * meta_profiler_new (void);
G_END_DECLS
#endif /* META_PROFILER_H */

View File

@ -625,6 +625,23 @@ dbus_idle_monitor_built_sources = gnome.gdbus_codegen('meta-dbus-idle-monitor',
) )
mutter_built_sources += dbus_idle_monitor_built_sources mutter_built_sources += dbus_idle_monitor_built_sources
if have_profiler
mutter_sources += [
'backends/meta-profiler.c',
'backends/meta-profiler.h',
]
dbus_interfaces_dir = join_paths(datadir, 'dbus-1', 'interfaces')
sysprof3_dbus_file = join_paths(dbus_interfaces_dir, 'org.gnome.Sysprof3.Profiler.xml')
dbus_sysprof3_profiler_built_sources = gnome.gdbus_codegen('meta-dbus-sysprof3-profiler',
sysprof3_dbus_file,
interface_prefix: 'org.gnome.',
namespace: 'MetaDBus',
)
mutter_built_sources += dbus_sysprof3_profiler_built_sources
endif
if have_native_backend if have_native_backend
cvt = find_program('cvt') cvt = find_program('cvt')