libsysprof-profile: add RAPL-based SysprofEnergyUsage

This does what we did previously with RAPL via sysprofd, with the new
SysprofInstrument API.

src/libsysprof-profile/meson.build

@@ -2,6 +2,7 @@ libsysprof_profile_public_sources = [
   'sysprof-battery-charge.c',
   'sysprof-cpu-usage.c',
   'sysprof-disk-usage.c',
+  'sysprof-energy-usage.c',
   'sysprof-instrument.c',
   'sysprof-memory-usage.c',
   'sysprof-network-usage.c',
@@ -26,6 +27,7 @@ libsysprof_profile_public_headers = [
   'sysprof-battery-charge.h',
   'sysprof-cpu-usage.h',
   'sysprof-disk-usage.h',
+  'sysprof-energy-usage.h',
   'sysprof-instrument.h',
   'sysprof-memory-usage.h',
   'sysprof-network-usage.h',

src/libsysprof-profile/sysprof-energy-usage.c

@@ -0,0 +1,57 @@
+/* sysprof-energy-usage.c
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "config.h"
+
+#include "sysprof-proxied-instrument-private.h"
+#include "sysprof-energy-usage.h"
+
+struct _SysprofEnergyUsage
+{
+  SysprofProxiedInstrument parent_instance;
+};
+
+struct _SysprofEnergyUsageClass
+{
+  SysprofProxiedInstrumentClass parent_class;
+};
+
+G_DEFINE_FINAL_TYPE (SysprofEnergyUsage, sysprof_energy_usage, SYSPROF_TYPE_PROXIED_INSTRUMENT)
+
+static void
+sysprof_energy_usage_class_init (SysprofEnergyUsageClass *klass)
+{
+}
+
+static void
+sysprof_energy_usage_init (SysprofEnergyUsage *self)
+{
+  SYSPROF_PROXIED_INSTRUMENT (self)->call_stop_first = TRUE;
+}
+
+SysprofInstrument *
+sysprof_energy_usage_new (void)
+{
+  return g_object_new (SYSPROF_TYPE_ENERGY_USAGE,
+                       "bus-type", G_BUS_TYPE_SYSTEM,
+                       "bus-name", "org.gnome.Sysprof3",
+                       "object-path", "/org/gnome/Sysprof3/RAPL",
+                       NULL);
+}

src/libsysprof-profile/sysprof-energy-usage.h

@@ -0,0 +1,42 @@
+/* sysprof-energy-usage.h
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include "sysprof-instrument.h"
+
+G_BEGIN_DECLS
+
+#define SYSPROF_TYPE_ENERGY_USAGE         (sysprof_energy_usage_get_type())
+#define SYSPROF_IS_ENERGY_USAGE(obj)      G_TYPE_CHECK_INSTANCE_TYPE(obj, SYSPROF_TYPE_ENERGY_USAGE)
+#define SYSPROF_ENERGY_USAGE(obj)         G_TYPE_CHECK_INSTANCE_CAST(obj, SYSPROF_TYPE_ENERGY_USAGE, SysprofEnergyUsage)
+#define SYSPROF_ENERGY_USAGE_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, SYSPROF_TYPE_ENERGY_USAGE, SysprofEnergyUsageClass)
+
+typedef struct _SysprofEnergyUsage      SysprofEnergyUsage;
+typedef struct _SysprofEnergyUsageClass SysprofEnergyUsageClass;
+
+SYSPROF_AVAILABLE_IN_ALL
+GType              sysprof_energy_usage_get_type (void) G_GNUC_CONST;
+SYSPROF_AVAILABLE_IN_ALL
+SysprofInstrument *sysprof_energy_usage_new      (void);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofEnergyUsage, g_object_unref)
+
+G_END_DECLS

src/libsysprof-profile/sysprof-profile.h

@@ -28,6 +28,7 @@ G_BEGIN_DECLS
 # include "sysprof-battery-charge.h"
 # include "sysprof-cpu-usage.h"
 # include "sysprof-disk-usage.h"
+# include "sysprof-energy-usage.h"
 # include "sysprof-instrument.h"
 # include "sysprof-memory-usage.h"
 # include "sysprof-network-usage.h"

src/libsysprof-profile/tests/test-profiler.c

@@ -119,6 +119,7 @@ main (int       argc,
   sysprof_profiler_add_instrument (profiler, sysprof_battery_charge_new ());
   sysprof_profiler_add_instrument (profiler, sysprof_cpu_usage_new ());
   sysprof_profiler_add_instrument (profiler, sysprof_disk_usage_new ());
+  sysprof_profiler_add_instrument (profiler, sysprof_energy_usage_new ());
   sysprof_profiler_add_instrument (profiler, sysprof_memory_usage_new ());
   sysprof_profiler_add_instrument (profiler, sysprof_network_usage_new ());
   sysprof_profiler_add_instrument (profiler, sysprof_sampler_new ());