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/viewer.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     lttvwindow_unregister_time_window_notify(statistic_viewer_data->mw,
 123                             statistic_update_time_window,statistic_viewer_data);
 124     lttvwindow_unregister_show(statistic_viewer_data->mw,
 125                             statistic_show_viewer,statistic_viewer_data);
 126     lttvwindow_unregister_traceset_notify(statistic_viewer_data->mw,
 127                             statistic_traceset_changed,statistic_viewer_data);
 128
 129     g_hash_table_destroy(statistic_viewer_data->statistic_hash);
 130     g_free(statistic_viewer_data->filter_key);
 131     g_statistic_viewer_data_list = g_slist_remove(g_statistic_viewer_data_list, statistic_viewer_data);
 132     g_free(statistic_viewer_data);
 133   }
 134 }
 135
 136 void
 137 gui_statistic_destructor(StatisticViewerData *statistic_viewer_data)
 138 {
 139   /* May already been done by GTK window closing */
 140   if(GTK_IS_WIDGET(statistic_viewer_data->hpaned_v)){
 141     gui_statistic_free(statistic_viewer_data);
 142     gtk_widget_destroy(statistic_viewer_data->hpaned_v);
 143     statistic_viewer_data = NULL;
 144   }
 145   //gui_statistic_free(statistic_viewer_data);
 146 }
 147
 148
 149 /**
 150  * Statistic Viewer's constructor hook
 151  *
 152  * This constructor is given as a parameter to the menuitem and toolbar button
 153  * registration. It creates the list.
 154  * @param parent_window A pointer to the parent window.
 155  * @return The widget created.
 156  */
 157 GtkWidget *
 158 h_gui_statistic(MainWindow * parent_window, LttvTracesetSelector * s, char* key)
 159 {
 160   StatisticViewerData* statistic_viewer_data = gui_statistic(parent_window, s, key) ;
 161
 162   if(statistic_viewer_data)
 163     return statistic_viewer_data->hpaned_v;
 164   else return NULL;
 165
 166 }
 167
 168 gboolean statistic_insert_traceset_stats(void * stats)
 169 {
 170   int i, len;
 171   gpointer s;
 172
 173   len = statistic_traceset->len;
 174   for(i=0;i<len;i++){
 175     s = g_ptr_array_index(statistic_traceset, i);
 176     if(s == stats) break;
 177   }
 178   if(i==len){
 179     g_ptr_array_add(statistic_traceset, stats);
 180     return TRUE;
 181   }
 182   return FALSE;
 183 }
 184
 185 /**
 186  * Statistic Viewer's constructor
 187  *
 188  * This constructor is used to create StatisticViewerData data structure.
 189  * @return The Statistic viewer data created.
 190  */
 191 StatisticViewerData *
 192 gui_statistic(MainWindow *parent_window, LttvTracesetSelector * s, char* key)
 193 {
 194   GtkCellRenderer *renderer;
 195   GtkTreeViewColumn *column;
 196
 197   StatisticViewerData* statistic_viewer_data = g_new(StatisticViewerData,1);
 198
 199   statistic_viewer_data->mw     = parent_window;
 200   statistic_viewer_data->stats  =
 201           lttvwindow_get_traceset_stats(statistic_viewer_data->mw);
 202   statistic_viewer_data->calculate_stats = statistic_insert_traceset_stats((void *)statistic_viewer_data->stats);
 203
 204   lttvwindow_register_time_window_notify(statistic_viewer_data->mw,
 205                           statistic_update_time_window,statistic_viewer_data);
 206   lttvwindow_register_show(statistic_viewer_data->mw,
 207                           statistic_show_viewer,statistic_viewer_data);
 208   lttvwindow_register_traceset_notify(statistic_viewer_data->mw,
 209                           statistic_traceset_changed,statistic_viewer_data);
 210
 211   statistic_viewer_data->statistic_hash = g_hash_table_new_full(g_str_hash,
 212                                                   g_str_equal,
 213                                                   statistic_destroy_hash_key,
 214                                                   statistic_destroy_hash_data);
 215
 216   statistic_viewer_data->hpaned_v  = gtk_hpaned_new();
 217   statistic_viewer_data->store_m = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING);
 218   statistic_viewer_data->tree_v  =
 219     gtk_tree_view_new_with_model (
 220         GTK_TREE_MODEL (statistic_viewer_data->store_m));
 221   g_object_unref (G_OBJECT (statistic_viewer_data->store_m));
 222
 223   g_signal_connect (G_OBJECT (statistic_viewer_data->tree_v), "grab-focus",
 224         G_CALLBACK (grab_focus),
 225         statistic_viewer_data);
 226
 227   // Setup the selection handler
 228   statistic_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (statistic_viewer_data->tree_v));
 229   gtk_tree_selection_set_mode (statistic_viewer_data->select_c, GTK_SELECTION_SINGLE);
 230   g_signal_connect (G_OBJECT (statistic_viewer_data->select_c), "changed",
 231         G_CALLBACK (tree_selection_changed_cb),
 232         statistic_viewer_data);
 233
 234   renderer = gtk_cell_renderer_text_new ();
 235   column = gtk_tree_view_column_new_with_attributes ("Statistic Name",
 236                  renderer,
 237                  "text", NAME_COLUMN,
 238                  NULL);
 239   gtk_tree_view_column_set_alignment (column, 0.0);
 240   //  gtk_tree_view_column_set_fixed_width (column, 45);
 241   gtk_tree_view_append_column (GTK_TREE_VIEW (statistic_viewer_data->tree_v), column);
 242
 243
 244   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (statistic_viewer_data->tree_v), FALSE);
 245
 246   statistic_viewer_data->scroll_win_tree = gtk_scrolled_window_new (NULL, NULL);
 247   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_tree),
 248          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 249
 250   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_tree), statistic_viewer_data->tree_v);
 251   gtk_paned_pack1(GTK_PANED(statistic_viewer_data->hpaned_v),statistic_viewer_data->scroll_win_tree, TRUE, FALSE);
 252   gtk_paned_set_position(GTK_PANED(statistic_viewer_data->hpaned_v), 160);
 253
 254   statistic_viewer_data->scroll_win_text = gtk_scrolled_window_new (NULL, NULL);
 255   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_text),
 256          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 257
 258   statistic_viewer_data->text_v = gtk_text_view_new ();
 259   g_signal_connect (G_OBJECT (statistic_viewer_data->text_v), "grab-focus",
 260         G_CALLBACK (grab_focus),
 261         statistic_viewer_data);
 262
 263   gtk_text_view_set_editable(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 264   gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 265   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_text), statistic_viewer_data->text_v);
 266   gtk_paned_pack2(GTK_PANED(statistic_viewer_data->hpaned_v), statistic_viewer_data->scroll_win_text, TRUE, FALSE);
 267
 268   gtk_widget_show(statistic_viewer_data->scroll_win_tree);
 269   gtk_widget_show(statistic_viewer_data->scroll_win_text);
 270   gtk_widget_show(statistic_viewer_data->tree_v);
 271   gtk_widget_show(statistic_viewer_data->text_v);
 272   gtk_widget_show(statistic_viewer_data->hpaned_v);
 273
 274   statistic_viewer_data->shown = FALSE;
 275   statistic_viewer_data->filter_key = g_strdup(key);
 276   g_object_set_data(
 277         G_OBJECT(statistic_viewer_data->hpaned_v),
 278         statistic_viewer_data->filter_key,
 279         s);
 280   /*
 281   g_object_set_data(
 282         G_OBJECT(statistic_viewer_data->hpaned_v),
 283         TRACESET_TIME_SPAN,
 284         &statistic_viewer_data->time_span);
 285   */
 286
 287   if(statistic_viewer_data->calculate_stats){
 288     //if(lttv_stats_load_statistics(statistic_viewer_data->stats))
 289     //  statistic_viewer_data->calculate_stats = FALSE;
 290   }
 291
 292   if(statistic_viewer_data->calculate_stats == FALSE){
 293     statistic_viewer_data->size = 1;
 294     g_object_set_data(
 295           G_OBJECT(statistic_viewer_data->hpaned_v),
 296           MAX_NUMBER_EVENT,
 297           &statistic_viewer_data->size);
 298   }
 299
 300   g_object_set_data_full(
 301       G_OBJECT(statistic_viewer_data->hpaned_v),
 302       "statistic_viewer_data",
 303       statistic_viewer_data,
 304       (GDestroyNotify)gui_statistic_free);
 305
 306   /* Add the object's information to the module's array */
 307   g_statistic_viewer_data_list = g_slist_append(
 308       g_statistic_viewer_data_list,
 309       statistic_viewer_data);
 310
 311   return statistic_viewer_data;
 312 }
 313
 314 void grab_focus(GtkWidget *widget, gpointer data)
 315 {
 316   StatisticViewerData *statistic_viewer_data = (StatisticViewerData *)data;
 317   MainWindow * mw = statistic_viewer_data->mw;
 318   lttvwindow_report_focus(mw, gtk_widget_get_parent(statistic_viewer_data->hpaned_v));
 319 }
 320
 321 static void
 322 tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
 323 {
 324   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*)data;
 325   GtkTreeIter iter;
 326   GtkTreeModel *model = GTK_TREE_MODEL(statistic_viewer_data->store_m);
 327   gchar *event;
 328   GtkTextBuffer* buf;
 329   gchar * str;
 330   GtkTreePath * path;
 331   GtkTextIter   text_iter;
 332   LttvAttribute * stats;
 333
 334   if (gtk_tree_selection_get_selected (selection, &model, &iter))
 335     {
 336       gtk_tree_model_get (model, &iter, NAME_COLUMN, &event, -1);
 337
 338       path = gtk_tree_model_get_path(GTK_TREE_MODEL(model),&iter);
 339       str = gtk_tree_path_to_string (path);
 340       stats = (LttvAttribute*)g_hash_table_lookup (statistic_viewer_data->statistic_hash,str);
 341       g_free(str);
 342
 343       buf =  gtk_text_view_get_buffer((GtkTextView*)statistic_viewer_data->text_v);
 344       gtk_text_buffer_set_text(buf,"Statistic for  '", -1);
 345       gtk_text_buffer_get_end_iter(buf, &text_iter);
 346       gtk_text_buffer_insert(buf, &text_iter, event, strlen(event));
 347       gtk_text_buffer_get_end_iter(buf, &text_iter);
 348       gtk_text_buffer_insert(buf, &text_iter, "' :\n\n",5);
 349
 350       show_statistic(statistic_viewer_data, stats, buf);
 351
 352       g_free (event);
 353     }
 354 }
 355
 356 void statistic_destroy_hash_key(gpointer key)
 357 {
 358   g_free(key);
 359 }
 360
 361 void statistic_destroy_hash_data(gpointer data)
 362 {
 363   //  g_free(data);
 364 }
 365
 366 void show_traceset_stats(StatisticViewerData * statistic_viewer_data)
 367 {
 368   int i, nb;
 369   LttvTraceset *ts;
 370   LttvTraceStats *tcs;
 371   LttSystemDescription *desc;
 372   LttvTracesetStats * tscs = statistic_viewer_data->stats;
 373   gchar * str, trace_str[PATH_LENGTH];
 374   GtkTreePath * path;
 375   GtkTreeIter   iter;
 376   GtkTreeStore * store = statistic_viewer_data->store_m;
 377
 378   if(tscs->stats == NULL) return;
 379
 380   ts = tscs->parent.parent.ts;
 381   nb = lttv_traceset_number(ts);
 382   if(nb == 0)return;
 383
 384   gtk_tree_store_append (store, &iter, NULL);
 385   gtk_tree_store_set (store, &iter,
 386           NAME_COLUMN, "Traceset statistics",
 387           -1);
 388   path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 389   str = gtk_tree_path_to_string (path);
 390   g_hash_table_insert(statistic_viewer_data->statistic_hash,
 391           (gpointer)str, tscs->stats);
 392   show_tree(statistic_viewer_data, tscs->stats, &iter);
 393
 394   //show stats for all traces
 395   for(i = 0 ; i < nb ; i++) {
 396     tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
 397     desc = ltt_trace_system_description(tcs->parent.parent.t);
 398     sprintf(trace_str, "Trace on system %s at time %d secs",
 399             ltt_trace_system_description_node_name(desc),
 400       (ltt_trace_system_description_trace_start_time(desc)).tv_sec);
 401
 402     gtk_tree_store_append (store, &iter, NULL);
 403     gtk_tree_store_set (store, &iter,NAME_COLUMN,trace_str,-1);
 404     path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 405     str = gtk_tree_path_to_string (path);
 406     g_hash_table_insert(statistic_viewer_data->statistic_hash,
 407       (gpointer)str,tcs->stats);
 408     show_tree(statistic_viewer_data, tcs->stats, &iter);
 409   }
 410 }
 411
 412 void show_tree(StatisticViewerData * statistic_viewer_data,
 413          LttvAttribute* stats,  GtkTreeIter* parent)
 414 {
 415   int i, nb;
 416   LttvAttribute *subtree;
 417   LttvAttributeName name;
 418   LttvAttributeValue value;
 419   LttvAttributeType type;
 420   gchar * str, dir_str[PATH_LENGTH];
 421   GtkTreePath * path;
 422   GtkTreeIter   iter;
 423   GtkTreeStore * store = statistic_viewer_data->store_m;
 424
 425   nb = lttv_attribute_get_number(stats);
 426   for(i = 0 ; i < nb ; i++) {
 427     type = lttv_attribute_get(stats, i, &name, &value);
 428     switch(type) {
 429      case LTTV_GOBJECT:
 430         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 431     sprintf(dir_str, "%s", g_quark_to_string(name));
 432           subtree = (LttvAttribute *)*(value.v_gobject);
 433     gtk_tree_store_append (store, &iter, parent);
 434     gtk_tree_store_set (store, &iter,NAME_COLUMN,dir_str,-1);
 435     path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 436     str = gtk_tree_path_to_string (path);
 437     g_hash_table_insert(statistic_viewer_data->statistic_hash,
 438             (gpointer)str, subtree);
 439           show_tree(statistic_viewer_data, subtree, &iter);
 440         }
 441         break;
 442       default:
 443   break;
 444     }
 445   }
 446 }
 447
 448 void show_statistic(StatisticViewerData * statistic_viewer_data,
 449         LttvAttribute* stats, GtkTextBuffer* buf)
 450 {
 451   int i, nb , flag;
 452   LttvAttribute *subtree;
 453   LttvAttributeName name;
 454   LttvAttributeValue value;
 455   LttvAttributeType type;
 456   gchar type_name[PATH_LENGTH], type_value[PATH_LENGTH];
 457   GtkTextIter   text_iter;
 458
 459   flag = 0;
 460   nb = lttv_attribute_get_number(stats);
 461   for(i = 0 ; i < nb ; i++) {
 462     type = lttv_attribute_get(stats, i, &name, &value);
 463     sprintf(type_name,"%s", g_quark_to_string(name));
 464     type_value[0] = '\0';
 465     switch(type) {
 466       case LTTV_INT:
 467         sprintf(type_value, " :  %d\n", *value.v_int);
 468         break;
 469       case LTTV_UINT:
 470         sprintf(type_value, " :  %u\n", *value.v_uint);
 471         break;
 472       case LTTV_LONG:
 473         sprintf(type_value, " :  %ld\n", *value.v_long);
 474         break;
 475       case LTTV_ULONG:
 476         sprintf(type_value, " :  %lu\n", *value.v_ulong);
 477         break;
 478       case LTTV_FLOAT:
 479         sprintf(type_value, " :  %f\n", (double)*value.v_float);
 480         break;
 481       case LTTV_DOUBLE:
 482         sprintf(type_value, " :  %f\n", *value.v_double);
 483         break;
 484       case LTTV_TIME:
 485         sprintf(type_value, " :  %10u.%09u\n", value.v_time->tv_sec,
 486             value.v_time->tv_nsec);
 487         break;
 488       case LTTV_POINTER:
 489         sprintf(type_value, " :  POINTER\n");
 490         break;
 491       case LTTV_STRING:
 492         sprintf(type_value, " :  %s\n", *value.v_string);
 493         break;
 494       default:
 495         break;
 496     }
 497     if(strlen(type_value)){
 498       flag = 1;
 499       strcat(type_name,type_value);
 500       gtk_text_buffer_get_end_iter(buf, &text_iter);
 501       gtk_text_buffer_insert(buf, &text_iter, type_name, strlen(type_name));
 502     }
 503   }
 504
 505   if(flag == 0){
 506     sprintf(type_value, "No statistic information in this directory.\nCheck in subdirectories please.\n");
 507     gtk_text_buffer_get_end_iter(buf, &text_iter);
 508     gtk_text_buffer_insert(buf, &text_iter, type_value, strlen(type_value));
 509
 510   }
 511 }
 512
 513 gboolean statistic_update_time_window(void * hook_data, void * call_data)
 514 {
 515   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 516   LttvTracesetContext * tsc =
 517     lttvwindow_get_traceset_context(statistic_viewer_data->mw);
 518
 519   //if statistic is already calculated, do nothing
 520   if(!statistic_viewer_data->calculate_stats){
 521     return FALSE;
 522   }
 523
 524   if(statistic_viewer_data->shown == FALSE){
 525     statistic_add_context_hooks(statistic_viewer_data, tsc);
 526   }
 527   return FALSE;
 528 }
 529
 530 gboolean statistic_show_viewer(void * hook_data, void * call_data)
 531 {
 532   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 533   LttvTracesetContext * tsc =
 534         lttvwindow_get_traceset_context(statistic_viewer_data->mw);
 535
 536   if(statistic_viewer_data->shown == FALSE){
 537     statistic_viewer_data->shown = TRUE;
 538     show_traceset_stats(statistic_viewer_data);
 539     if(statistic_viewer_data->calculate_stats){
 540       statistic_remove_context_hooks(statistic_viewer_data,tsc);
 541       //lttv_stats_save_statistics((LttvTracesetStats*)tsc);
 542     }
 543   }
 544
 545   return FALSE;
 546 }
 547
 548 gboolean statistic_traceset_changed(void * hook_data, void * call_data)
 549 {
 550   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 551
 552   gtk_tree_store_clear (statistic_viewer_data->store_m);
 553   statistic_viewer_data->shown = FALSE;
 554
 555   return FALSE;
 556 }
 557
 558 void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
 559            LttvTracesetContext * tsc)
 560 {
 561   gint i, j, nbi, nb_tracefile;
 562   LttTrace *trace;
 563   LttvTraceContext *tc;
 564   LttvTracefileContext *tfc;
 565   LttvTracesetSelector  * ts_s;
 566   LttvTraceSelector     * t_s;
 567   LttvTracefileSelector * tf_s;
 568   gboolean selected;
 569
 570   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 571               statistic_viewer_data->filter_key);
 572
 573   //if there are hooks for traceset, add them here
 574
 575   nbi = lttv_traceset_number(tsc->ts);
 576   for(i = 0 ; i < nbi ; i++) {
 577     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 578     selected = lttv_trace_selector_get_selected(t_s);
 579     if(!selected) continue;
 580     tc = tsc->traces[i];
 581     trace = tc->t;
 582     //if there are hooks for trace, add them here
 583
 584     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 585         ltt_trace_per_cpu_tracefile_number(trace);
 586
 587     for(j = 0 ; j < nb_tracefile ; j++) {
 588       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 589       selected = lttv_tracefile_selector_get_selected(tf_s);
 590       if(!selected) continue;
 591       tfc = tc->tracefiles[j];
 592
 593       //if there are hooks for tracefile, add them here
 594       //      lttv_tracefile_context_add_hooks(tfc, NULL,NULL,NULL,NULL,
 595       //               statistic_viewer_data->before_event_hooks,NULL);
 596     }
 597   }
 598
 599   lttv_stats_add_event_hooks(LTTV_TRACESET_STATS(tsc));
 600
 601 }
 602
 603 void statistic_remove_context_hooks(StatisticViewerData * statistic_viewer_data,
 604         LttvTracesetContext * tsc)
 605 {
 606   gint i, j, nbi, nb_tracefile;
 607   LttTrace *trace;
 608   LttvTraceContext *tc;
 609   LttvTracefileContext *tfc;
 610   LttvTracesetSelector  * ts_s;
 611   LttvTraceSelector     * t_s;
 612   LttvTracefileSelector * tf_s;
 613   gboolean selected;
 614
 615   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 616               statistic_viewer_data->filter_key);
 617
 618   //if there are hooks for traceset, remove them here
 619
 620   nbi = lttv_traceset_number(tsc->ts);
 621   for(i = 0 ; i < nbi ; i++) {
 622     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 623     selected = lttv_trace_selector_get_selected(t_s);
 624     if(!selected) continue;
 625     tc = tsc->traces[i];
 626     trace = tc->t;
 627     //if there are hooks for trace, remove them here
 628
 629     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 630         ltt_trace_per_cpu_tracefile_number(trace);
 631
 632     for(j = 0 ; j < nb_tracefile ; j++) {
 633       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 634       selected = lttv_tracefile_selector_get_selected(tf_s);
 635       if(!selected) continue;
 636       tfc = tc->tracefiles[j];
 637
 638       //if there are hooks for tracefile, remove them here
 639       //      lttv_tracefile_context_remove_hooks(tfc, NULL,NULL,NULL,NULL,
 640       //            statistic_viewer_data->before_event_hooks,NULL);
 641     }
 642   }
 643
 644   lttv_stats_remove_event_hooks(LTTV_TRACESET_STATS(tsc));
 645 }
 646
 647
 648 /**
 649  * plugin's init function
 650  *
 651  * This function initializes the Statistic Viewer functionnality through the
 652  * gtkTraceSet API.
 653  */
 654 static void init() {
 655
 656   statistic_traceset = g_ptr_array_new ();
 657
 658   /* Register the toolbar insert button */
 659   lttvwindow_register_toolbar(hGuiStatisticInsert_xpm, "Insert Statistic Viewer", h_gui_statistic);
 660
 661   /* Register the menu item insert entry */
 662   lttvwindow_register_menu("/", "Insert Statistic Viewer", h_gui_statistic);
 663
 664 }
 665
 666 void statistic_destroy_walk(gpointer data, gpointer user_data)
 667 {
 668   gui_statistic_destructor((StatisticViewerData*)data);
 669 }
 670
 671 /**
 672  * plugin's destroy function
 673  *
 674  * This function releases the memory reserved by the module and unregisters
 675  * everything that has been registered in the gtkTraceSet API.
 676  */
 677 static void destroy() {
 678   int i;
 679
 680   if(g_statistic_viewer_data_list){
 681     g_slist_foreach(g_statistic_viewer_data_list, statistic_destroy_walk, NULL );
 682     g_slist_free(g_statistic_viewer_data_list);
 683   }
 684   g_ptr_array_free (statistic_traceset, TRUE);
 685
 686   /* Unregister the toolbar insert button */
 687   lttvwindow_unregister_toolbar(h_gui_statistic);
 688
 689   /* Unregister the menu item insert entry */
 690   lttvwindow_unregister_menu(h_gui_statistic);
 691 }
 692
 693
 694 LTTV_MODULE("guistatistics", "Statistics viewer", \
 695     "Graphical module to view statistics about processes, CPUs and systems", \
 696     init, destroy, "lttvwindow")
 697