governor: add UI to toggle CPU governor setting

src/libsysprof-ui/sysprof-profiler-assistant.c

@@ -39,6 +39,7 @@ struct _SysprofProfilerAssistant
   GtkBin                parent_instance;
 
   /* Template Objects */
+  GtkSwitch            *allow_throttling;
   GtkButton            *record_button;
   GtkEntry             *command_line;
   GtkRevealer          *process_revealer;
@@ -246,6 +247,12 @@ sysprof_profiler_assistant_record_clicked_cb (SysprofProfilerAssistant *self,
   sysprof_profiler_add_source (profiler, proc_source);
 #endif
 
+  if (!gtk_switch_get_active (self->allow_throttling))
+    {
+      g_autoptr(SysprofSource) governor = sysprof_governor_source_new ();
+      sysprof_profiler_add_source (profiler, governor);
+    }
+
   /* Always add symbol decoder to save to file immediately */
   symbols_source = sysprof_symbols_source_new ();
   sysprof_profiler_add_source (profiler, symbols_source);
@@ -279,6 +286,7 @@ sysprof_profiler_assistant_class_init (SysprofProfilerAssistantClass *klass)
                   G_TYPE_NONE, 1, SYSPROF_TYPE_PROFILER);
 
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/sysprof/ui/sysprof-profiler-assistant.ui");
+  gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, allow_throttling);
   gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, aid_flow_box);
   gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, command_line);
   gtk_widget_class_bind_template_child (widget_class, SysprofProfilerAssistant, environ_editor);

src/libsysprof-ui/ui/sysprof-profiler-assistant.ui

@@ -159,7 +159,7 @@
                   </object>
                   <packing>
                     <property name="column">center</property>
-                    <property name="row">3</property>
+                    <property name="row">4</property>
                   </packing>
                 </child>
                 <child>
@@ -415,6 +415,55 @@
                     <property name="row">2</property>
                   </packing>
                 </child>
+                <child>
+                  <object class="GtkLabel" id="label3">
+                    <property name="label" translatable="yes">Allow CPU Throttling</property>
+                    <property name="xalign">1.0</property>
+                    <property name="valign">start</property>
+                    <property name="visible">true</property>
+                    <style>
+                      <class name="dim-label"/>
+                    </style>
+                  </object>
+                  <packing>
+                    <property name="column">left</property>
+                    <property name="row">3</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkBox">
+                    <property name="orientation">vertical</property>
+                    <property name="spacing">3</property>
+                    <property name="visible">true</property>
+                    <child>
+                      <object class="GtkSwitch" id="allow_throttling">
+                        <property name="active">true</property>
+                        <property name="halign">start</property>
+                        <property name="valign">center</property>
+                        <property name="visible">true</property>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkLabel">
+                        <property name="label" translatable="yes">If disabled, your CPU will be placed in performance mode. It will be restored after profiling.</property>
+                        <property name="max-width-chars">10</property>
+                        <property name="wrap">true</property>
+                        <property name="visible">true</property>
+                        <property name="xalign">0.0</property>
+                        <attributes>
+                          <attribute name="scale" value="0.8333"/>
+                        </attributes>
+                        <style>
+                          <class name="dim-label"/>
+                        </style>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="column">center</property>
+                    <property name="row">3</property>
+                  </packing>
+                </child>
                 <child>
                   <object class="GtkButton" id="record_button">
                     <property name="label" translatable="yes">_Record</property>
@@ -430,7 +479,7 @@
                   </object>
                   <packing>
                     <property name="column">center</property>
-                    <property name="row">4</property>
+                    <property name="row">5</property>
                   </packing>
                 </child>
               </object>
@@ -455,6 +504,8 @@
     <property name="mode">vertical</property>
     <widgets>
       <widget name="label2"/>
+      <widget name="label3"/>
+      <widget name="allow_throttling"/>
       <widget name="launch_switch"/>
     </widgets>
   </object>