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