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