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