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