ltt/branches/poly/lttv/modules/gui/statistics/statistics.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 XangXiu Yang
   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 #ifdef HAVE_CONFIG_H
  20 #include <config.h>
  21 #endif
  22
  23 #include <glib.h>
  24 #include <string.h>
  25 #include <gtk/gtk.h>
  26 #include <gdk/gdk.h>
  27
  28 #include <ltt/ltt.h>
  29 #include <ltt/event.h>
  30 #include <ltt/type.h>
  31 #include <ltt/trace.h>
  32
  33 #include <lttv/lttv.h>
  34 #include <lttv/module.h>
  35 #include <lttv/tracecontext.h>
  36 #include <lttv/hook.h>
  37 #include <lttv/state.h>
  38 #include <lttv/stats.h>
  39
  40 #include <lttvwindow/lttvwindow.h>
  41 #include <lttvwindow/lttvwindowtraces.h>
  42 #include <lttvwindow/lttv_plugin_tab.h>
  43
  44 #include "hGuiStatisticInsert.xpm"
  45
  46 #define PATH_LENGTH        256  /* CHECK */
  47 #define MAX_NUMBER_EVENT "max_number_event"
  48
  49 //???????????????6
  50 //static GPtrArray  * statistic_traceset;
  51
  52 /** Array containing instanced objects. Used when module is unloaded */
  53 static GSList *g_statistic_viewer_data_list = NULL ;
  54
  55 typedef struct _StatisticViewerData StatisticViewerData;
  56
  57 static void request_background_data(StatisticViewerData *svd);
  58 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd);
  59
  60 //! Statistic Viewer's constructor hook
  61 GtkWidget *h_gui_statistic(LttvPlugin *plugin);
  62 //! Statistic Viewer's constructor
  63 StatisticViewerData *gui_statistic(LttvPluginTab *ptab);
  64 //! Statistic Viewer's destructor
  65 void gui_statistic_destructor(StatisticViewerData *statistic_viewer_data);
  66
  67 static void tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data);
  68
  69 void statistic_destroy_hash_key(gpointer key);
  70 void statistic_destroy_hash_data(gpointer data);
  71
  72 void show_traceset_stats(StatisticViewerData * statistic_viewer_data);
  73 void show_tree(StatisticViewerData * statistic_viewer_data,
  74          LttvAttribute* stats,  GtkTreeIter* parent);
  75 void show_statistic(StatisticViewerData * statistic_viewer_data,
  76          LttvAttribute* stats, GtkTextBuffer* buf);
  77
  78
  79 gboolean statistic_traceset_changed(void * hook_data, void * call_data);
  80 //void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
  81 //           LttvTracesetContext * tsc);
  82 //void statistic_remove_context_hooks(StatisticViewerData *statistic_viewer_data,
  83 //           LttvTracesetContext * tsc);
  84
  85 //gboolean statistic_insert_traceset_stats(void * stats);
  86
  87 enum
  88 {
  89    NAME_COLUMN,
  90    N_COLUMNS
  91 };
  92
  93 struct _StatisticViewerData{
  94   Tab *tab;
  95   LttvPluginTab *ptab;
  96   //LttvTracesetStats * stats;
  97   int                 size;
  98
  99   //gboolean     shown;       //indicate if the statistic is shown or not
 100   //char *       filter_key;
 101
 102   GtkWidget    * hpaned_v;
 103   GtkTreeStore * store_m;
 104   GtkWidget    * tree_v;
 105
 106   //scroll window containing Tree View
 107   GtkWidget * scroll_win_tree;
 108
 109   GtkWidget    * text_v;
 110   //scroll window containing Text View
 111   GtkWidget * scroll_win_text;
 112
 113   // Selection handler
 114   GtkTreeSelection *select_c;
 115
 116   //hash
 117   GHashTable *statistic_hash;
 118 };
 119
 120
 121
 122
 123 /* Action to do when background computation completed.
 124  *
 125  * Eventually, will have to check that every requested traces are finished
 126  * before doing the redraw. It will save unnecessary processor usage.
 127  */
 128
 129 static gint background_ready(void *hook_data, void *call_data)
 130 {
 131   StatisticViewerData *svd = (StatisticViewerData *)hook_data;
 132   Tab *tab = svd->tab;
 133   LttvTrace *trace = (LttvTrace*)call_data;
 134
 135   g_debug("statistics viewer : background computation data ready.");
 136
 137   gtk_tree_store_clear (svd->store_m);
 138
 139   lttv_stats_sum_traceset(lttvwindow_get_traceset_stats(tab));
 140   show_traceset_stats(svd);
 141
 142   return 0;
 143 }
 144
 145 /* Request background computation. Verify if it is in progress or ready first.
 146  *
 147  * Right now, for all loaded traces.
 148  *
 149  * Later : must be only for each trace in the tab's traceset.
 150  */
 151 static void request_background_data(StatisticViewerData *svd)
 152 {
 153   gint num_traces = lttvwindowtraces_get_number();
 154   gint i;
 155   LttvTrace *trace;
 156
 157   LttvHooks *background_ready_hook =
 158     lttv_hooks_new();
 159   lttv_hooks_add(background_ready_hook, background_ready, svd,
 160       LTTV_PRIO_DEFAULT);
 161
 162   for(i=0;i<num_traces;i++) {
 163     trace = lttvwindowtraces_get_trace(i);
 164
 165     if(lttvwindowtraces_get_ready(g_quark_from_string("stats"),trace)==FALSE) {
 166
 167       if(lttvwindowtraces_get_in_progress(g_quark_from_string("stats"),
 168                                           trace) == FALSE) {
 169         /* We first remove requests that could have been done for the same
 170          * information. Happens when two viewers ask for it before servicing
 171          * starts.
 172          */
 173         if(!lttvwindowtraces_background_request_find(trace, "stats"))
 174           lttvwindowtraces_background_request_queue(
 175               main_window_get_widget(svd->tab), trace, "stats");
 176         lttvwindowtraces_background_notify_queue(svd,
 177                                                  trace,
 178                                                  ltt_time_infinite,
 179                                                  NULL,
 180                                                  background_ready_hook);
 181       } else { /* in progress */
 182
 183         lttvwindowtraces_background_notify_current(svd,
 184                                                    trace,
 185                                                    ltt_time_infinite,
 186                                                    NULL,
 187                                                    background_ready_hook);
 188
 189       }
 190     } else {
 191       /* ready */
 192       lttv_hooks_call(background_ready_hook, NULL);
 193     }
 194   }
 195   lttv_hooks_destroy(background_ready_hook);
 196 }
 197
 198
 199 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd)
 200 {
 201   return svd->hpaned_v;
 202 }
 203
 204
 205 void
 206 gui_statistic_destructor(StatisticViewerData *statistic_viewer_data)
 207 {
 208   Tab *tab = statistic_viewer_data->tab;
 209
 210   /* May already been done by GTK window closing */
 211   if(GTK_IS_WIDGET(guistatistic_get_widget(statistic_viewer_data))){
 212     g_info("widget still exists");
 213   }
 214   if(tab != NULL) {
 215     lttvwindow_unregister_traceset_notify(statistic_viewer_data->tab,
 216                                           statistic_traceset_changed,
 217                                           statistic_viewer_data);
 218   }
 219   lttvwindowtraces_background_notify_remove(statistic_viewer_data);
 220
 221   g_hash_table_destroy(statistic_viewer_data->statistic_hash);
 222   g_statistic_viewer_data_list =
 223     g_slist_remove(g_statistic_viewer_data_list, statistic_viewer_data);
 224   g_free(statistic_viewer_data);
 225 }
 226
 227
 228 /**
 229  * Statistic Viewer's constructor hook
 230  *
 231  * This constructor is given as a parameter to the menuitem and toolbar button
 232  * registration. It creates the list.
 233  * @param parent_window A pointer to the parent window.
 234  * @return The widget created.
 235  */
 236 GtkWidget *
 237 h_gui_statistic(LttvPlugin *plugin)
 238 {
 239   LttvPluginTab *ptab = LTTV_PLUGIN_TAB(plugin);
 240   StatisticViewerData* statistic_viewer_data = gui_statistic(ptab) ;
 241
 242   if(statistic_viewer_data)
 243     return guistatistic_get_widget(statistic_viewer_data);
 244   else return NULL;
 245
 246 }
 247
 248 #if 0
 249 gboolean statistic_insert_traceset_stats(void * stats)
 250 {
 251   int i, len;
 252   gpointer s;
 253
 254   len = statistic_traceset->len;
 255   for(i=0;i<len;i++){
 256     s = g_ptr_array_index(statistic_traceset, i);
 257     if(s == stats) break;
 258   }
 259   if(i==len){
 260     g_ptr_array_add(statistic_traceset, stats);
 261     return TRUE;
 262   }
 263   return FALSE;
 264 }
 265 #endif //0
 266
 267 /**
 268  * Statistic Viewer's constructor
 269  *
 270  * This constructor is used to create StatisticViewerData data structure.
 271  * @return The Statistic viewer data created.
 272  */
 273 StatisticViewerData *
 274 gui_statistic(LttvPluginTab *ptab)
 275 {
 276   GtkCellRenderer *renderer;
 277   GtkTreeViewColumn *column;
 278
 279   StatisticViewerData* statistic_viewer_data = g_new(StatisticViewerData,1);
 280   Tab *tab = ptab->tab;
 281   statistic_viewer_data->tab  = tab;
 282   statistic_viewer_data->ptab  = ptab;
 283  // statistic_viewer_data->stats  =
 284  //         lttvwindow_get_traceset_stats(statistic_viewer_data->tab);
 285  // statistic_viewer_data->calculate_stats =
 286  //   statistic_insert_traceset_stats((void *)statistic_viewer_data->stats);
 287
 288   lttvwindow_register_traceset_notify(statistic_viewer_data->tab,
 289                                       statistic_traceset_changed,
 290                                       statistic_viewer_data);
 291
 292   statistic_viewer_data->statistic_hash = g_hash_table_new_full(g_str_hash,
 293                                                   g_str_equal,
 294                                                   statistic_destroy_hash_key,
 295                                                   NULL);
 296
 297   statistic_viewer_data->hpaned_v  = gtk_hpaned_new();
 298   statistic_viewer_data->store_m = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING);
 299   statistic_viewer_data->tree_v  =
 300     gtk_tree_view_new_with_model (
 301         GTK_TREE_MODEL (statistic_viewer_data->store_m));
 302   g_object_unref (G_OBJECT (statistic_viewer_data->store_m));
 303
 304   // Setup the selection handler
 305   statistic_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (statistic_viewer_data->tree_v));
 306   gtk_tree_selection_set_mode (statistic_viewer_data->select_c, GTK_SELECTION_SINGLE);
 307   g_signal_connect (G_OBJECT (statistic_viewer_data->select_c), "changed",
 308         G_CALLBACK (tree_selection_changed_cb),
 309         statistic_viewer_data);
 310
 311   renderer = gtk_cell_renderer_text_new ();
 312   column = gtk_tree_view_column_new_with_attributes ("Statistic Name",
 313                  renderer,
 314                  "text", NAME_COLUMN,
 315                  NULL);
 316   gtk_tree_view_column_set_alignment (column, 0.0);
 317   //  gtk_tree_view_column_set_fixed_width (column, 45);
 318   gtk_tree_view_append_column (GTK_TREE_VIEW (statistic_viewer_data->tree_v), column);
 319
 320
 321   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (statistic_viewer_data->tree_v), FALSE);
 322
 323   statistic_viewer_data->scroll_win_tree = gtk_scrolled_window_new (NULL, NULL);
 324   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_tree),
 325          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 326
 327   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_tree), statistic_viewer_data->tree_v);
 328   gtk_paned_pack1(GTK_PANED(statistic_viewer_data->hpaned_v),statistic_viewer_data->scroll_win_tree, TRUE, FALSE);
 329   gtk_paned_set_position(GTK_PANED(statistic_viewer_data->hpaned_v), 160);
 330
 331   statistic_viewer_data->scroll_win_text = gtk_scrolled_window_new (NULL, NULL);
 332   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_text),
 333          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 334
 335   statistic_viewer_data->text_v = gtk_text_view_new ();
 336
 337   gtk_text_view_set_editable(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 338   gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 339   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_text), statistic_viewer_data->text_v);
 340   gtk_paned_pack2(GTK_PANED(statistic_viewer_data->hpaned_v), statistic_viewer_data->scroll_win_text, TRUE, FALSE);
 341
 342   gtk_container_set_border_width(
 343       GTK_CONTAINER(statistic_viewer_data->hpaned_v), 1);
 344
 345   gtk_widget_show(statistic_viewer_data->scroll_win_tree);
 346   gtk_widget_show(statistic_viewer_data->scroll_win_text);
 347   gtk_widget_show(statistic_viewer_data->tree_v);
 348   gtk_widget_show(statistic_viewer_data->text_v);
 349   gtk_widget_show(statistic_viewer_data->hpaned_v);
 350
 351   g_object_set_data_full(
 352       G_OBJECT(guistatistic_get_widget(statistic_viewer_data)),
 353       "statistic_viewer_data",
 354       statistic_viewer_data,
 355       (GDestroyNotify)gui_statistic_destructor);
 356
 357   /* Add the object's information to the module's array */
 358   g_statistic_viewer_data_list = g_slist_append(
 359       g_statistic_viewer_data_list,
 360       statistic_viewer_data);
 361
 362   request_background_data(statistic_viewer_data);
 363
 364   return statistic_viewer_data;
 365 }
 366
 367 static void
 368 tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
 369 {
 370   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*)data;
 371   GtkTreeIter iter;
 372   GtkTreeModel *model = GTK_TREE_MODEL(statistic_viewer_data->store_m);
 373   gchar *event;
 374   GtkTextBuffer* buf;
 375   gchar * str;
 376   GtkTreePath * path;
 377   GtkTextIter   text_iter;
 378   LttvAttribute * stats;
 379
 380   if (gtk_tree_selection_get_selected (selection, &model, &iter))
 381     {
 382       gtk_tree_model_get (model, &iter, NAME_COLUMN, &event, -1);
 383
 384       path = gtk_tree_model_get_path(GTK_TREE_MODEL(model),&iter);
 385       str = gtk_tree_path_to_string (path);
 386       stats = (LttvAttribute*)g_hash_table_lookup (statistic_viewer_data->statistic_hash,str);
 387       g_free(str);
 388
 389       buf =  gtk_text_view_get_buffer((GtkTextView*)statistic_viewer_data->text_v);
 390       gtk_text_buffer_set_text(buf,"Statistic for  '", -1);
 391       gtk_text_buffer_get_end_iter(buf, &text_iter);
 392       gtk_text_buffer_insert(buf, &text_iter, event, strlen(event));
 393       gtk_text_buffer_get_end_iter(buf, &text_iter);
 394       gtk_text_buffer_insert(buf, &text_iter, "' :\n\n",5);
 395
 396       show_statistic(statistic_viewer_data, stats, buf);
 397
 398       g_free (event);
 399     }
 400 }
 401
 402 void statistic_destroy_hash_key(gpointer key)
 403 {
 404   g_free(key);
 405 }
 406
 407 #ifdef DEBUG
 408 #include <stdio.h>
 409 extern FILE *stdin;
 410 extern FILE *stdout;
 411 extern FILE *stderr;
 412 #endif //DEBUG
 413
 414 void show_traceset_stats(StatisticViewerData * statistic_viewer_data)
 415 {
 416   Tab *tab = statistic_viewer_data->tab;
 417   int i, nb;
 418   LttvTraceset *ts;
 419   LttvTraceStats *tcs;
 420   LttSystemDescription *desc;
 421   LttvTracesetStats * tscs = lttvwindow_get_traceset_stats(tab);
 422   gchar * str, trace_str[PATH_LENGTH];
 423   GtkTreePath * path;
 424   GtkTreeIter   iter;
 425   GtkTreeStore * store = statistic_viewer_data->store_m;
 426
 427   if(tscs->stats == NULL) return;
 428 #ifdef DEBUG
 429   lttv_attribute_write_xml(tscs->stats, stdout, 1, 4);
 430 #endif //DEBUG
 431
 432   ts = tscs->parent.parent.ts;
 433   nb = lttv_traceset_number(ts);
 434   if(nb == 0)return;
 435
 436   gtk_tree_store_append (store, &iter, NULL);
 437   gtk_tree_store_set (store, &iter,
 438           NAME_COLUMN, "Traceset statistics",
 439           -1);
 440   path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 441   str = gtk_tree_path_to_string (path);
 442   g_hash_table_insert(statistic_viewer_data->statistic_hash,
 443           (gpointer)str, tscs->stats);
 444   show_tree(statistic_viewer_data, tscs->stats, &iter);
 445
 446   //show stats for all traces
 447   for(i = 0 ; i < nb ; i++) {
 448     tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
 449 #if 0 //FIXME
 450     desc = ltt_trace_system_description(tcs->parent.parent.t);
 451     LttTime start_time = ltt_trace_system_description_trace_start_time(desc);
 452     sprintf(trace_str, "Trace on system %s at time %lu.%09lu",
 453             ltt_trace_system_description_node_name(desc),
 454             start_time.tv_sec,
 455             start_time.tv_nsec);
 456 #endif //0
 457     sprintf(trace_str, g_quark_to_string(ltt_trace_name(tcs->parent.parent.t)));
 458     gtk_tree_store_append (store, &iter, NULL);
 459     gtk_tree_store_set (store, &iter,NAME_COLUMN,trace_str,-1);
 460     path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 461     str = gtk_tree_path_to_string (path);
 462     g_hash_table_insert(statistic_viewer_data->statistic_hash,
 463       (gpointer)str,tcs->stats);
 464     show_tree(statistic_viewer_data, tcs->stats, &iter);
 465 #ifdef DEBUG
 466     lttv_attribute_write_xml(tcs->stats, stdout, 3, 4);
 467 #endif //DEBUG
 468   }
 469 }
 470
 471 void show_tree(StatisticViewerData * statistic_viewer_data,
 472          LttvAttribute* stats,  GtkTreeIter* parent)
 473 {
 474   int i, nb;
 475   LttvAttribute *subtree;
 476   LttvAttributeName name;
 477   LttvAttributeValue value;
 478   LttvAttributeType type;
 479         gboolean is_named;
 480   gchar * str, dir_str[PATH_LENGTH];
 481   GtkTreePath * path;
 482   GtkTreeIter   iter;
 483   GtkTreeStore * store = statistic_viewer_data->store_m;
 484
 485   nb = lttv_attribute_get_number(stats);
 486   for(i = 0 ; i < nb ; i++) {
 487     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 488     switch(type) {
 489      case LTTV_GOBJECT:
 490         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 491           subtree = (LttvAttribute *)*(value.v_gobject);
 492           if(is_named)
 493             sprintf(dir_str, "%s", g_quark_to_string(name));
 494           else
 495             sprintf(dir_str, "%u", name);
 496           gtk_tree_store_append (store, &iter, parent);
 497           gtk_tree_store_set (store, &iter,NAME_COLUMN,dir_str,-1);
 498           path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 499           str = gtk_tree_path_to_string (path);
 500           g_hash_table_insert(statistic_viewer_data->statistic_hash,
 501             (gpointer)str, subtree);
 502           show_tree(statistic_viewer_data, subtree, &iter);
 503         }
 504         break;
 505       default:
 506   break;
 507     }
 508   }
 509 }
 510
 511 void show_statistic(StatisticViewerData * statistic_viewer_data,
 512         LttvAttribute* stats, GtkTextBuffer* buf)
 513 {
 514   int i, nb , flag;
 515   LttvAttributeName name;
 516   LttvAttributeValue value;
 517   LttvAttributeType type;
 518         gboolean is_named;
 519   gchar type_name[PATH_LENGTH], type_value[PATH_LENGTH];
 520   GtkTextIter   text_iter;
 521
 522   flag = 0;
 523   nb = lttv_attribute_get_number(stats);
 524   for(i = 0 ; i < nb ; i++) {
 525     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 526                 if(is_named)
 527             sprintf(type_name,"%s", g_quark_to_string(name));
 528                 else
 529             sprintf(type_name,"%u", name);
 530     type_value[0] = '\0';
 531     switch(type) {
 532       case LTTV_INT:
 533         sprintf(type_value, " :  %d\n", *value.v_int);
 534         break;
 535       case LTTV_UINT:
 536         sprintf(type_value, " :  %u\n", *value.v_uint);
 537         break;
 538       case LTTV_LONG:
 539         sprintf(type_value, " :  %ld\n", *value.v_long);
 540         break;
 541       case LTTV_ULONG:
 542         sprintf(type_value, " :  %lu\n", *value.v_ulong);
 543         break;
 544       case LTTV_FLOAT:
 545         sprintf(type_value, " :  %f\n", (double)*value.v_float);
 546         break;
 547       case LTTV_DOUBLE:
 548         sprintf(type_value, " :  %f\n", *value.v_double);
 549         break;
 550       case LTTV_TIME:
 551         sprintf(type_value, " :  %10lu.%09lu\n", value.v_time->tv_sec,
 552             value.v_time->tv_nsec);
 553         break;
 554       case LTTV_POINTER:
 555         sprintf(type_value, " :  POINTER\n");
 556         break;
 557       case LTTV_STRING:
 558         sprintf(type_value, " :  %s\n", *value.v_string);
 559         break;
 560       default:
 561         break;
 562     }
 563     if(strlen(type_value)){
 564       flag = 1;
 565       strcat(type_name,type_value);
 566       gtk_text_buffer_get_end_iter(buf, &text_iter);
 567       gtk_text_buffer_insert(buf, &text_iter, type_name, strlen(type_name));
 568     }
 569   }
 570
 571   if(flag == 0){
 572     sprintf(type_value, "No statistic information in this directory.\nCheck in subdirectories please.\n");
 573     gtk_text_buffer_get_end_iter(buf, &text_iter);
 574     gtk_text_buffer_insert(buf, &text_iter, type_value, strlen(type_value));
 575
 576   }
 577 }
 578
 579 gboolean statistic_traceset_changed(void * hook_data, void * call_data)
 580 {
 581   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 582
 583   request_background_data(statistic_viewer_data);
 584
 585   return FALSE;
 586 }
 587
 588 #if 0
 589 void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
 590            LttvTracesetContext * tsc)
 591 {
 592   gint i, j, nbi, nb_tracefile;
 593   LttTrace *trace;
 594   LttvTraceContext *tc;
 595   LttvTracefileContext *tfc;
 596   LttvTracesetSelector  * ts_s;
 597   LttvTraceSelector     * t_s;
 598   LttvTracefileSelector * tf_s;
 599   gboolean selected;
 600
 601   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 602               statistic_viewer_data->filter_key);
 603
 604   //if there are hooks for traceset, add them here
 605
 606   nbi = lttv_traceset_number(tsc->ts);
 607   for(i = 0 ; i < nbi ; i++) {
 608     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 609     selected = lttv_trace_selector_get_selected(t_s);
 610     if(!selected) continue;
 611     tc = tsc->traces[i];
 612     trace = tc->t;
 613     //if there are hooks for trace, add them here
 614
 615     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 616         ltt_trace_per_cpu_tracefile_number(trace);
 617
 618     for(j = 0 ; j < nb_tracefile ; j++) {
 619       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 620       selected = lttv_tracefile_selector_get_selected(tf_s);
 621       if(!selected) continue;
 622       tfc = tc->tracefiles[j];
 623
 624       //if there are hooks for tracefile, add them here
 625       //      lttv_tracefile_context_add_hooks(tfc, NULL,NULL,NULL,NULL,
 626       //               statistic_viewer_data->before_event_hooks,NULL);
 627     }
 628   }
 629
 630   lttv_stats_add_event_hooks(LTTV_TRACESET_STATS(tsc));
 631
 632 }
 633
 634 void statistic_remove_context_hooks(StatisticViewerData * statistic_viewer_data,
 635         LttvTracesetContext * tsc)
 636 {
 637   gint i, j, nbi, nb_tracefile;
 638   LttTrace *trace;
 639   LttvTraceContext *tc;
 640   LttvTracefileContext *tfc;
 641   LttvTracesetSelector  * ts_s;
 642   LttvTraceSelector     * t_s;
 643   LttvTracefileSelector * tf_s;
 644   gboolean selected;
 645
 646   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 647               statistic_viewer_data->filter_key);
 648
 649   //if there are hooks for traceset, remove them here
 650
 651   nbi = lttv_traceset_number(tsc->ts);
 652   for(i = 0 ; i < nbi ; i++) {
 653     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 654     selected = lttv_trace_selector_get_selected(t_s);
 655     if(!selected) continue;
 656     tc = tsc->traces[i];
 657     trace = tc->t;
 658     //if there are hooks for trace, remove them here
 659
 660     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 661         ltt_trace_per_cpu_tracefile_number(trace);
 662
 663     for(j = 0 ; j < nb_tracefile ; j++) {
 664       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 665       selected = lttv_tracefile_selector_get_selected(tf_s);
 666       if(!selected) continue;
 667       tfc = tc->tracefiles[j];
 668
 669       //if there are hooks for tracefile, remove them here
 670       //      lttv_tracefile_context_remove_hooks(tfc, NULL,NULL,NULL,NULL,
 671       //            statistic_viewer_data->before_event_hooks,NULL);
 672     }
 673   }
 674
 675   lttv_stats_remove_event_hooks(LTTV_TRACESET_STATS(tsc));
 676 }
 677 #endif //0
 678
 679 /**
 680  * plugin's init function
 681  *
 682  * This function initializes the Statistic Viewer functionnality through the
 683  * gtkTraceSet API.
 684  */
 685 static void init() {
 686
 687   lttvwindow_register_constructor("guistatistics",
 688                                   "/",
 689                                   "Insert Statistic Viewer",
 690                                   hGuiStatisticInsert_xpm,
 691                                   "Insert Statistic Viewer",
 692                                   h_gui_statistic);
 693 }
 694
 695 void statistic_destroy_walk(gpointer data, gpointer user_data)
 696 {
 697   StatisticViewerData *svd = (StatisticViewerData*)data;
 698
 699   g_debug("CFV.c : statistic_destroy_walk, %p", svd);
 700   /* May already have been done by GTK window closing */
 701   if(GTK_IS_WIDGET(guistatistic_get_widget(svd)))
 702     gtk_widget_destroy(guistatistic_get_widget(svd));
 703 }
 704
 705 /**
 706  * plugin's destroy function
 707  *
 708  * This function releases the memory reserved by the module and unregisters
 709  * everything that has been registered in the gtkTraceSet API.
 710  */
 711 static void destroy() {
 712
 713   g_slist_foreach(g_statistic_viewer_data_list, statistic_destroy_walk, NULL );
 714   g_slist_free(g_statistic_viewer_data_list);
 715
 716   lttvwindow_unregister_constructor(h_gui_statistic);
 717
 718 }
 719
 720
 721 LTTV_MODULE("guistatistics", "Statistics viewer", \
 722     "Graphical module to view statistics about processes, CPUs and systems", \
 723     init, destroy, "lttvwindow")
 724