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         if(!lttvwindowtraces_background_request_find(trace, "stats"))
 172           lttvwindowtraces_background_request_queue(trace, "stats");
 173         lttvwindowtraces_background_notify_queue(svd,
 174                                                  trace,
 175                                                  ltt_time_infinite,
 176                                                  NULL,
 177                                                  background_ready_hook);
 178       } else { /* in progress */
 179
 180         lttvwindowtraces_background_notify_current(svd,
 181                                                    trace,
 182                                                    ltt_time_infinite,
 183                                                    NULL,
 184                                                    background_ready_hook);
 185
 186       }
 187     } else {
 188       /* ready */
 189       lttv_hooks_call(background_ready_hook, NULL);
 190     }
 191   }
 192   lttv_hooks_destroy(background_ready_hook);
 193 }
 194
 195
 196 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd)
 197 {
 198   return svd->hpaned_v;
 199 }
 200
 201
 202 void
 203 gui_statistic_destructor(StatisticViewerData *statistic_viewer_data)
 204 {
 205   Tab *tab = statistic_viewer_data->tab;
 206
 207   /* May already been done by GTK window closing */
 208   if(GTK_IS_WIDGET(guistatistic_get_widget(statistic_viewer_data))){
 209     g_info("widget still exists");
 210   }
 211   if(tab != NULL) {
 212     lttvwindow_unregister_traceset_notify(statistic_viewer_data->tab,
 213                                           statistic_traceset_changed,
 214                                           statistic_viewer_data);
 215   }
 216   lttvwindowtraces_background_notify_remove(statistic_viewer_data);
 217
 218   g_hash_table_destroy(statistic_viewer_data->statistic_hash);
 219   g_statistic_viewer_data_list =
 220     g_slist_remove(g_statistic_viewer_data_list, statistic_viewer_data);
 221   g_free(statistic_viewer_data);
 222 }
 223
 224
 225 /**
 226  * Statistic Viewer's constructor hook
 227  *
 228  * This constructor is given as a parameter to the menuitem and toolbar button
 229  * registration. It creates the list.
 230  * @param parent_window A pointer to the parent window.
 231  * @return The widget created.
 232  */
 233 GtkWidget *
 234 h_gui_statistic(Tab *tab)
 235 {
 236   StatisticViewerData* statistic_viewer_data = gui_statistic(tab) ;
 237
 238   if(statistic_viewer_data)
 239     return guistatistic_get_widget(statistic_viewer_data);
 240   else return NULL;
 241
 242 }
 243
 244 #if 0
 245 gboolean statistic_insert_traceset_stats(void * stats)
 246 {
 247   int i, len;
 248   gpointer s;
 249
 250   len = statistic_traceset->len;
 251   for(i=0;i<len;i++){
 252     s = g_ptr_array_index(statistic_traceset, i);
 253     if(s == stats) break;
 254   }
 255   if(i==len){
 256     g_ptr_array_add(statistic_traceset, stats);
 257     return TRUE;
 258   }
 259   return FALSE;
 260 }
 261 #endif //0
 262
 263 /**
 264  * Statistic Viewer's constructor
 265  *
 266  * This constructor is used to create StatisticViewerData data structure.
 267  * @return The Statistic viewer data created.
 268  */
 269 StatisticViewerData *
 270 gui_statistic(Tab *tab)
 271 {
 272   GtkCellRenderer *renderer;
 273   GtkTreeViewColumn *column;
 274
 275   StatisticViewerData* statistic_viewer_data = g_new(StatisticViewerData,1);
 276
 277   statistic_viewer_data->tab  = tab;
 278  // statistic_viewer_data->stats  =
 279  //         lttvwindow_get_traceset_stats(statistic_viewer_data->tab);
 280  // statistic_viewer_data->calculate_stats =
 281  //   statistic_insert_traceset_stats((void *)statistic_viewer_data->stats);
 282
 283   lttvwindow_register_traceset_notify(statistic_viewer_data->tab,
 284                                       statistic_traceset_changed,
 285                                       statistic_viewer_data);
 286   request_background_data(statistic_viewer_data);
 287
 288   statistic_viewer_data->statistic_hash = g_hash_table_new_full(g_str_hash,
 289                                                   g_str_equal,
 290                                                   statistic_destroy_hash_key,
 291                                                   NULL);
 292
 293   statistic_viewer_data->hpaned_v  = gtk_hpaned_new();
 294   statistic_viewer_data->store_m = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING);
 295   statistic_viewer_data->tree_v  =
 296     gtk_tree_view_new_with_model (
 297         GTK_TREE_MODEL (statistic_viewer_data->store_m));
 298   g_object_unref (G_OBJECT (statistic_viewer_data->store_m));
 299
 300   // Setup the selection handler
 301   statistic_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (statistic_viewer_data->tree_v));
 302   gtk_tree_selection_set_mode (statistic_viewer_data->select_c, GTK_SELECTION_SINGLE);
 303   g_signal_connect (G_OBJECT (statistic_viewer_data->select_c), "changed",
 304         G_CALLBACK (tree_selection_changed_cb),
 305         statistic_viewer_data);
 306
 307   renderer = gtk_cell_renderer_text_new ();
 308   column = gtk_tree_view_column_new_with_attributes ("Statistic Name",
 309                  renderer,
 310                  "text", NAME_COLUMN,
 311                  NULL);
 312   gtk_tree_view_column_set_alignment (column, 0.0);
 313   //  gtk_tree_view_column_set_fixed_width (column, 45);
 314   gtk_tree_view_append_column (GTK_TREE_VIEW (statistic_viewer_data->tree_v), column);
 315
 316
 317   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (statistic_viewer_data->tree_v), FALSE);
 318
 319   statistic_viewer_data->scroll_win_tree = gtk_scrolled_window_new (NULL, NULL);
 320   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_tree),
 321          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 322
 323   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_tree), statistic_viewer_data->tree_v);
 324   gtk_paned_pack1(GTK_PANED(statistic_viewer_data->hpaned_v),statistic_viewer_data->scroll_win_tree, TRUE, FALSE);
 325   gtk_paned_set_position(GTK_PANED(statistic_viewer_data->hpaned_v), 160);
 326
 327   statistic_viewer_data->scroll_win_text = gtk_scrolled_window_new (NULL, NULL);
 328   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_text),
 329          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 330
 331   statistic_viewer_data->text_v = gtk_text_view_new ();
 332
 333   gtk_text_view_set_editable(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 334   gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 335   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_text), statistic_viewer_data->text_v);
 336   gtk_paned_pack2(GTK_PANED(statistic_viewer_data->hpaned_v), statistic_viewer_data->scroll_win_text, TRUE, FALSE);
 337
 338   gtk_container_set_border_width(
 339       GTK_CONTAINER(statistic_viewer_data->hpaned_v), 1);
 340
 341   gtk_widget_show(statistic_viewer_data->scroll_win_tree);
 342   gtk_widget_show(statistic_viewer_data->scroll_win_text);
 343   gtk_widget_show(statistic_viewer_data->tree_v);
 344   gtk_widget_show(statistic_viewer_data->text_v);
 345   gtk_widget_show(statistic_viewer_data->hpaned_v);
 346
 347   g_object_set_data_full(
 348       G_OBJECT(guistatistic_get_widget(statistic_viewer_data)),
 349       "statistic_viewer_data",
 350       statistic_viewer_data,
 351       (GDestroyNotify)gui_statistic_destructor);
 352
 353   /* Add the object's information to the module's array */
 354   g_statistic_viewer_data_list = g_slist_append(
 355       g_statistic_viewer_data_list,
 356       statistic_viewer_data);
 357
 358   return statistic_viewer_data;
 359 }
 360
 361 static void
 362 tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
 363 {
 364   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*)data;
 365   GtkTreeIter iter;
 366   GtkTreeModel *model = GTK_TREE_MODEL(statistic_viewer_data->store_m);
 367   gchar *event;
 368   GtkTextBuffer* buf;
 369   gchar * str;
 370   GtkTreePath * path;
 371   GtkTextIter   text_iter;
 372   LttvAttribute * stats;
 373
 374   if (gtk_tree_selection_get_selected (selection, &model, &iter))
 375     {
 376       gtk_tree_model_get (model, &iter, NAME_COLUMN, &event, -1);
 377
 378       path = gtk_tree_model_get_path(GTK_TREE_MODEL(model),&iter);
 379       str = gtk_tree_path_to_string (path);
 380       stats = (LttvAttribute*)g_hash_table_lookup (statistic_viewer_data->statistic_hash,str);
 381       g_free(str);
 382
 383       buf =  gtk_text_view_get_buffer((GtkTextView*)statistic_viewer_data->text_v);
 384       gtk_text_buffer_set_text(buf,"Statistic for  '", -1);
 385       gtk_text_buffer_get_end_iter(buf, &text_iter);
 386       gtk_text_buffer_insert(buf, &text_iter, event, strlen(event));
 387       gtk_text_buffer_get_end_iter(buf, &text_iter);
 388       gtk_text_buffer_insert(buf, &text_iter, "' :\n\n",5);
 389
 390       show_statistic(statistic_viewer_data, stats, buf);
 391
 392       g_free (event);
 393     }
 394 }
 395
 396 void statistic_destroy_hash_key(gpointer key)
 397 {
 398   g_free(key);
 399 }
 400
 401 #ifdef DEBUG
 402 #include <stdio.h>
 403 extern FILE *stdin;
 404 extern FILE *stdout;
 405 extern FILE *stderr;
 406 #endif //DEBUG
 407
 408 void show_traceset_stats(StatisticViewerData * statistic_viewer_data)
 409 {
 410   Tab *tab = statistic_viewer_data->tab;
 411   int i, nb;
 412   LttvTraceset *ts;
 413   LttvTraceStats *tcs;
 414   LttSystemDescription *desc;
 415   LttvTracesetStats * tscs = lttvwindow_get_traceset_stats(tab);
 416   gchar * str, trace_str[PATH_LENGTH];
 417   GtkTreePath * path;
 418   GtkTreeIter   iter;
 419   GtkTreeStore * store = statistic_viewer_data->store_m;
 420
 421   if(tscs->stats == NULL) return;
 422 #ifdef DEBUG
 423   lttv_attribute_write_xml(tscs->stats, stdout, 1, 4);
 424 #endif //DEBUG
 425
 426   ts = tscs->parent.parent.ts;
 427   nb = lttv_traceset_number(ts);
 428   if(nb == 0)return;
 429
 430   gtk_tree_store_append (store, &iter, NULL);
 431   gtk_tree_store_set (store, &iter,
 432           NAME_COLUMN, "Traceset statistics",
 433           -1);
 434   path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 435   str = gtk_tree_path_to_string (path);
 436   g_hash_table_insert(statistic_viewer_data->statistic_hash,
 437           (gpointer)str, tscs->stats);
 438   show_tree(statistic_viewer_data, tscs->stats, &iter);
 439
 440   //show stats for all traces
 441   for(i = 0 ; i < nb ; i++) {
 442     tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
 443 #if 0 //FIXME
 444     desc = ltt_trace_system_description(tcs->parent.parent.t);
 445     LttTime start_time = ltt_trace_system_description_trace_start_time(desc);
 446     sprintf(trace_str, "Trace on system %s at time %lu.%09lu",
 447             ltt_trace_system_description_node_name(desc),
 448             start_time.tv_sec,
 449             start_time.tv_nsec);
 450 #endif //0
 451     sprintf(trace_str, g_quark_to_string(ltt_trace_name(tcs->parent.parent.t)));
 452     gtk_tree_store_append (store, &iter, NULL);
 453     gtk_tree_store_set (store, &iter,NAME_COLUMN,trace_str,-1);
 454     path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 455     str = gtk_tree_path_to_string (path);
 456     g_hash_table_insert(statistic_viewer_data->statistic_hash,
 457       (gpointer)str,tcs->stats);
 458     show_tree(statistic_viewer_data, tcs->stats, &iter);
 459 #ifdef DEBUG
 460     lttv_attribute_write_xml(tcs->stats, stdout, 3, 4);
 461 #endif //DEBUG
 462   }
 463 }
 464
 465 void show_tree(StatisticViewerData * statistic_viewer_data,
 466          LttvAttribute* stats,  GtkTreeIter* parent)
 467 {
 468   int i, nb;
 469   LttvAttribute *subtree;
 470   LttvAttributeName name;
 471   LttvAttributeValue value;
 472   LttvAttributeType type;
 473   gchar * str, dir_str[PATH_LENGTH];
 474   GtkTreePath * path;
 475   GtkTreeIter   iter;
 476   GtkTreeStore * store = statistic_viewer_data->store_m;
 477
 478   nb = lttv_attribute_get_number(stats);
 479   for(i = 0 ; i < nb ; i++) {
 480     type = lttv_attribute_get(stats, i, &name, &value);
 481     switch(type) {
 482      case LTTV_GOBJECT:
 483         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 484     sprintf(dir_str, "%s", g_quark_to_string(name));
 485           subtree = (LttvAttribute *)*(value.v_gobject);
 486     gtk_tree_store_append (store, &iter, parent);
 487     gtk_tree_store_set (store, &iter,NAME_COLUMN,dir_str,-1);
 488     path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 489     str = gtk_tree_path_to_string (path);
 490     g_hash_table_insert(statistic_viewer_data->statistic_hash,
 491             (gpointer)str, subtree);
 492           show_tree(statistic_viewer_data, subtree, &iter);
 493         }
 494         break;
 495       default:
 496   break;
 497     }
 498   }
 499 }
 500
 501 void show_statistic(StatisticViewerData * statistic_viewer_data,
 502         LttvAttribute* stats, GtkTextBuffer* buf)
 503 {
 504   int i, nb , flag;
 505   LttvAttributeName name;
 506   LttvAttributeValue value;
 507   LttvAttributeType type;
 508   gchar type_name[PATH_LENGTH], type_value[PATH_LENGTH];
 509   GtkTextIter   text_iter;
 510
 511   flag = 0;
 512   nb = lttv_attribute_get_number(stats);
 513   for(i = 0 ; i < nb ; i++) {
 514     type = lttv_attribute_get(stats, i, &name, &value);
 515     sprintf(type_name,"%s", g_quark_to_string(name));
 516     type_value[0] = '\0';
 517     switch(type) {
 518       case LTTV_INT:
 519         sprintf(type_value, " :  %d\n", *value.v_int);
 520         break;
 521       case LTTV_UINT:
 522         sprintf(type_value, " :  %u\n", *value.v_uint);
 523         break;
 524       case LTTV_LONG:
 525         sprintf(type_value, " :  %ld\n", *value.v_long);
 526         break;
 527       case LTTV_ULONG:
 528         sprintf(type_value, " :  %lu\n", *value.v_ulong);
 529         break;
 530       case LTTV_FLOAT:
 531         sprintf(type_value, " :  %f\n", (double)*value.v_float);
 532         break;
 533       case LTTV_DOUBLE:
 534         sprintf(type_value, " :  %f\n", *value.v_double);
 535         break;
 536       case LTTV_TIME:
 537         sprintf(type_value, " :  %10lu.%09lu\n", value.v_time->tv_sec,
 538             value.v_time->tv_nsec);
 539         break;
 540       case LTTV_POINTER:
 541         sprintf(type_value, " :  POINTER\n");
 542         break;
 543       case LTTV_STRING:
 544         sprintf(type_value, " :  %s\n", *value.v_string);
 545         break;
 546       default:
 547         break;
 548     }
 549     if(strlen(type_value)){
 550       flag = 1;
 551       strcat(type_name,type_value);
 552       gtk_text_buffer_get_end_iter(buf, &text_iter);
 553       gtk_text_buffer_insert(buf, &text_iter, type_name, strlen(type_name));
 554     }
 555   }
 556
 557   if(flag == 0){
 558     sprintf(type_value, "No statistic information in this directory.\nCheck in subdirectories please.\n");
 559     gtk_text_buffer_get_end_iter(buf, &text_iter);
 560     gtk_text_buffer_insert(buf, &text_iter, type_value, strlen(type_value));
 561
 562   }
 563 }
 564
 565 gboolean statistic_traceset_changed(void * hook_data, void * call_data)
 566 {
 567   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 568
 569   request_background_data(statistic_viewer_data);
 570
 571   return FALSE;
 572 }
 573
 574 #if 0
 575 void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
 576            LttvTracesetContext * tsc)
 577 {
 578   gint i, j, nbi, nb_tracefile;
 579   LttTrace *trace;
 580   LttvTraceContext *tc;
 581   LttvTracefileContext *tfc;
 582   LttvTracesetSelector  * ts_s;
 583   LttvTraceSelector     * t_s;
 584   LttvTracefileSelector * tf_s;
 585   gboolean selected;
 586
 587   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 588               statistic_viewer_data->filter_key);
 589
 590   //if there are hooks for traceset, add them here
 591
 592   nbi = lttv_traceset_number(tsc->ts);
 593   for(i = 0 ; i < nbi ; i++) {
 594     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 595     selected = lttv_trace_selector_get_selected(t_s);
 596     if(!selected) continue;
 597     tc = tsc->traces[i];
 598     trace = tc->t;
 599     //if there are hooks for trace, add them here
 600
 601     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 602         ltt_trace_per_cpu_tracefile_number(trace);
 603
 604     for(j = 0 ; j < nb_tracefile ; j++) {
 605       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 606       selected = lttv_tracefile_selector_get_selected(tf_s);
 607       if(!selected) continue;
 608       tfc = tc->tracefiles[j];
 609
 610       //if there are hooks for tracefile, add them here
 611       //      lttv_tracefile_context_add_hooks(tfc, NULL,NULL,NULL,NULL,
 612       //               statistic_viewer_data->before_event_hooks,NULL);
 613     }
 614   }
 615
 616   lttv_stats_add_event_hooks(LTTV_TRACESET_STATS(tsc));
 617
 618 }
 619
 620 void statistic_remove_context_hooks(StatisticViewerData * statistic_viewer_data,
 621         LttvTracesetContext * tsc)
 622 {
 623   gint i, j, nbi, nb_tracefile;
 624   LttTrace *trace;
 625   LttvTraceContext *tc;
 626   LttvTracefileContext *tfc;
 627   LttvTracesetSelector  * ts_s;
 628   LttvTraceSelector     * t_s;
 629   LttvTracefileSelector * tf_s;
 630   gboolean selected;
 631
 632   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 633               statistic_viewer_data->filter_key);
 634
 635   //if there are hooks for traceset, remove them here
 636
 637   nbi = lttv_traceset_number(tsc->ts);
 638   for(i = 0 ; i < nbi ; i++) {
 639     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 640     selected = lttv_trace_selector_get_selected(t_s);
 641     if(!selected) continue;
 642     tc = tsc->traces[i];
 643     trace = tc->t;
 644     //if there are hooks for trace, remove them here
 645
 646     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 647         ltt_trace_per_cpu_tracefile_number(trace);
 648
 649     for(j = 0 ; j < nb_tracefile ; j++) {
 650       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 651       selected = lttv_tracefile_selector_get_selected(tf_s);
 652       if(!selected) continue;
 653       tfc = tc->tracefiles[j];
 654
 655       //if there are hooks for tracefile, remove them here
 656       //      lttv_tracefile_context_remove_hooks(tfc, NULL,NULL,NULL,NULL,
 657       //            statistic_viewer_data->before_event_hooks,NULL);
 658     }
 659   }
 660
 661   lttv_stats_remove_event_hooks(LTTV_TRACESET_STATS(tsc));
 662 }
 663 #endif //0
 664
 665 /**
 666  * plugin's init function
 667  *
 668  * This function initializes the Statistic Viewer functionnality through the
 669  * gtkTraceSet API.
 670  */
 671 static void init() {
 672
 673   lttvwindow_register_constructor("guistatistics",
 674                                   "/",
 675                                   "Insert Statistic Viewer",
 676                                   hGuiStatisticInsert_xpm,
 677                                   "Insert Statistic Viewer",
 678                                   h_gui_statistic);
 679 }
 680
 681 void statistic_destroy_walk(gpointer data, gpointer user_data)
 682 {
 683   StatisticViewerData *svd = (StatisticViewerData*)data;
 684
 685   g_debug("CFV.c : statistic_destroy_walk, %p", svd);
 686   /* May already have been done by GTK window closing */
 687   if(GTK_IS_WIDGET(guistatistic_get_widget(svd)))
 688     gtk_widget_destroy(guistatistic_get_widget(svd));
 689 }
 690
 691 /**
 692  * plugin's destroy function
 693  *
 694  * This function releases the memory reserved by the module and unregisters
 695  * everything that has been registered in the gtkTraceSet API.
 696  */
 697 static void destroy() {
 698
 699   g_slist_foreach(g_statistic_viewer_data_list, statistic_destroy_walk, NULL );
 700   g_slist_free(g_statistic_viewer_data_list);
 701
 702   lttvwindow_unregister_constructor(h_gui_statistic);
 703
 704 }
 705
 706
 707 LTTV_MODULE("guistatistics", "Statistics viewer", \
 708     "Graphical module to view statistics about processes, CPUs and systems", \
 709     init, destroy, "lttvwindow")
 710