lttv/modules/gui/resourceview/module.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2007 Pierre-Marc Fournier
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include <config.h>
  22 #endif
  23
  24 #include <glib.h>
  25 #include <lttv/lttv.h>
  26 #include <lttv/module.h>
  27 #include <lttvwindow/lttvwindow.h>
  28
  29 #include "cfv.h"
  30 #include "lttv_plugin_cfv.h"
  31 #include "eventhooks.h"
  32
  33 #include "resourceview_icon.xpm"
  34 /* unused #include "hLegendInsert.xpm" */
  35
  36 GQuark LTT_NAME_CPU;
  37
  38 /** Array containing instanced objects. Used when module is unloaded */
  39 GSList *g_control_flow_data_list = NULL ;
  40
  41 GSList *g_legend_list = NULL ;
  42
  43 /*****************************************************************************
  44  *                 Functions for module loading/unloading                    *
  45  *****************************************************************************/
  46 /**
  47  * plugin's init function
  48  *
  49  * This function initializes the Control Flow Viewer functionnality through the
  50  * gtkTraceSet API.
  51  */
  52 static void init() {
  53
  54   g_info("Resource usage viewer init()");
  55
  56   /* Register the toolbar insert button and menu entry*/
  57   lttvwindow_register_constructor("resourceview",
  58                                   "/",
  59                                   "Insert Resource Viewer",
  60                                   resourceview_icon_xpm,
  61                                   "Insert Resource Viewer",
  62                                   h_resourceview);
  63
  64
  65   LTT_NAME_CPU = g_quark_from_string("/cpu");
  66 }
  67
  68 void destroy_walk(gpointer data, gpointer user_data)
  69 {
  70   g_info("Walk destroy Resource Viewer");
  71   guicontrolflow_destructor_full((LttvPluginCFV*)data);
  72 }
  73
  74
  75 /**
  76  * plugin's destroy function
  77  *
  78  * This function releases the memory reserved by the module and unregisters
  79  * everything that has been registered in the gtkTraceSet API.
  80  */
  81 static void destroy() {
  82   g_info("GUI resource viewer destroy()");
  83
  84   g_slist_foreach(g_control_flow_data_list, destroy_walk, NULL );
  85
  86   g_slist_free(g_control_flow_data_list);
  87
  88   /* Unregister the toolbar insert button and menu entry */
  89   lttvwindow_unregister_constructor(h_resourceview);
  90 }
  91
  92
  93 LTTV_MODULE("resourceview", "Resource viewer", \
  94     "Graphical module to view usage of resources", \
  95     init, destroy, "lttvwindow")