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 #include <lttvwindow/lttv_plugin_tab.h>
  43
  44 #include "hGuiStatisticInsert.xpm"
  45
  46 #define PATH_LENGTH        256  /* CHECK */
  47 #define MAX_NUMBER_EVENT "max_number_event"
  48
  49 //???????????????6
  50 //static GPtrArray  * statistic_traceset;
  51
  52 /** Array containing instanced objects. Used when module is unloaded */
  53 static GSList *g_statistic_viewer_data_list = NULL ;
  54
  55 typedef struct _StatisticViewerData StatisticViewerData;
  56
  57 static void request_background_data(StatisticViewerData *svd);
  58 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd);
  59
  60 //! Statistic Viewer's constructor hook
  61 GtkWidget *h_gui_statistic(LttvPlugin *plugin);
  62 //! Statistic Viewer's constructor
  63 StatisticViewerData *gui_statistic(LttvPluginTab *ptab);
  64 //! Statistic Viewer's destructor
  65 void gui_statistic_destructor(StatisticViewerData *statistic_viewer_data);
  66
  67 static void tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data);
  68
  69 void statistic_destroy_hash_key(gpointer key);
  70 void statistic_destroy_hash_data(gpointer data);
  71
  72 void show_traceset_stats(StatisticViewerData * statistic_viewer_data);
  73 void show_tree(StatisticViewerData * statistic_viewer_data,
  74          LttvAttribute* stats,  GtkTreeIter* parent);
  75 void show_statistic(StatisticViewerData * statistic_viewer_data,
  76          LttvAttribute* stats, GtkTextBuffer* buf);
  77
  78
  79 gboolean statistic_traceset_changed(void * hook_data, void * call_data);
  80 //void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
  81 //           LttvTracesetContext * tsc);
  82 //void statistic_remove_context_hooks(StatisticViewerData *statistic_viewer_data,
  83 //           LttvTracesetContext * tsc);
  84
  85 //gboolean statistic_insert_traceset_stats(void * stats);
  86
  87 enum
  88 {
  89    NAME_COLUMN,
  90    N_COLUMNS
  91 };
  92
  93 struct _StatisticViewerData{
  94   Tab *tab;
  95   LttvPluginTab *ptab;
  96   //LttvTracesetStats * stats;
  97   int                 size;
  98
  99   //gboolean     shown;       //indicate if the statistic is shown or not
 100   //char *       filter_key;
 101
 102   GtkWidget    * hpaned_v;
 103   GtkTreeStore * store_m;
 104   GtkWidget    * tree_v;
 105
 106   //scroll window containing Tree View
 107   GtkWidget * scroll_win_tree;
 108
 109   GtkWidget    * text_v;
 110   //scroll window containing Text View
 111   GtkWidget * scroll_win_text;
 112
 113   // Selection handler
 114   GtkTreeSelection *select_c;
 115
 116   //hash
 117   GHashTable *statistic_hash;
 118
 119   guint background_info_waiting;
 120 };
 121
 122
 123
 124
 125 /* Action to do when background computation completed.
 126  *
 127  * Eventually, will have to check that every requested traces are finished
 128  * before doing the redraw. It will save unnecessary processor usage.
 129  */
 130
 131 static gint background_ready(void *hook_data, void *call_data)
 132 {
 133   StatisticViewerData *svd = (StatisticViewerData *)hook_data;
 134   Tab *tab = svd->tab;
 135   LttvTrace *trace = (LttvTrace*)call_data;
 136
 137   svd->background_info_waiting--;
 138
 139   if(svd->background_info_waiting == 0) {
 140     g_message("statistics viewer : background computation data ready.");
 141
 142     gtk_tree_store_clear (svd->store_m);
 143
 144     lttv_stats_sum_traceset(lttvwindow_get_traceset_stats(tab),
 145       ltt_time_infinite);
 146     show_traceset_stats(svd);
 147   }
 148
 149   return 0;
 150 }
 151
 152 /* Request background computation. Verify if it is in progress or ready first.
 153  *
 154  * Right now, for all loaded traces.
 155  *
 156  * Later : must be only for each trace in the tab's traceset.
 157  */
 158 static void request_background_data(StatisticViewerData *svd)
 159 {
 160   gint num_traces = lttvwindowtraces_get_number();
 161   gint i;
 162   LttvTrace *trace;
 163   GtkTextBuffer* buf;
 164
 165   LttvHooks *background_ready_hook =
 166     lttv_hooks_new();
 167   lttv_hooks_add(background_ready_hook, background_ready, svd,
 168       LTTV_PRIO_DEFAULT);
 169   svd->background_info_waiting = num_traces;
 170   buf = gtk_text_view_get_buffer((GtkTextView*)svd->text_v);
 171   gtk_text_buffer_set_text(buf,"", -1);
 172
 173   for(i=0;i<num_traces;i++) {
 174     trace = lttvwindowtraces_get_trace(i);
 175
 176     if(lttvwindowtraces_get_ready(g_quark_from_string("stats"),trace)==FALSE) {
 177
 178       if(lttvwindowtraces_get_in_progress(g_quark_from_string("stats"),
 179                                           trace) == FALSE) {
 180         /* We first remove requests that could have been done for the same
 181          * information. Happens when two viewers ask for it before servicing
 182          * starts.
 183          */
 184         if(!lttvwindowtraces_background_request_find(trace, "stats"))
 185           lttvwindowtraces_background_request_queue(
 186               main_window_get_widget(svd->tab), trace, "stats");
 187         lttvwindowtraces_background_notify_queue(svd,
 188                                                  trace,
 189                                                  ltt_time_infinite,
 190                                                  NULL,
 191                                                  background_ready_hook);
 192       } else { /* in progress */
 193         lttvwindowtraces_background_notify_current(svd,
 194                                                    trace,
 195                                                    ltt_time_infinite,
 196                                                    NULL,
 197                                                    background_ready_hook);
 198
 199       }
 200     } else {
 201       /* ready */
 202       lttv_hooks_call(background_ready_hook, NULL);
 203     }
 204   }
 205
 206   if(num_traces == 0) {
 207     svd->background_info_waiting = 1;
 208     lttv_hooks_call(background_ready_hook, NULL);
 209   }
 210   lttv_hooks_destroy(background_ready_hook);
 211 }
 212
 213
 214 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd)
 215 {
 216   return svd->hpaned_v;
 217 }
 218
 219
 220 void
 221 gui_statistic_destructor(StatisticViewerData *statistic_viewer_data)
 222 {
 223   Tab *tab = statistic_viewer_data->tab;
 224
 225   /* May already been done by GTK window closing */
 226   if(GTK_IS_WIDGET(guistatistic_get_widget(statistic_viewer_data))){
 227     g_info("widget still exists");
 228   }
 229   if(tab != NULL) {
 230     lttvwindow_unregister_traceset_notify(statistic_viewer_data->tab,
 231                                           statistic_traceset_changed,
 232                                           statistic_viewer_data);
 233   }
 234   lttvwindowtraces_background_notify_remove(statistic_viewer_data);
 235
 236   g_hash_table_destroy(statistic_viewer_data->statistic_hash);
 237   g_statistic_viewer_data_list =
 238     g_slist_remove(g_statistic_viewer_data_list, statistic_viewer_data);
 239   g_free(statistic_viewer_data);
 240 }
 241
 242
 243 /**
 244  * Statistic Viewer's constructor hook
 245  *
 246  * This constructor is given as a parameter to the menuitem and toolbar button
 247  * registration. It creates the list.
 248  * @param parent_window A pointer to the parent window.
 249  * @return The widget created.
 250  */
 251 GtkWidget *
 252 h_gui_statistic(LttvPlugin *plugin)
 253 {
 254   LttvPluginTab *ptab = LTTV_PLUGIN_TAB(plugin);
 255   StatisticViewerData* statistic_viewer_data = gui_statistic(ptab) ;
 256
 257   if(statistic_viewer_data)
 258     return guistatistic_get_widget(statistic_viewer_data);
 259   else return NULL;
 260
 261 }
 262
 263 #if 0
 264 gboolean statistic_insert_traceset_stats(void * stats)
 265 {
 266   int i, len;
 267   gpointer s;
 268
 269   len = statistic_traceset->len;
 270   for(i=0;i<len;i++){
 271     s = g_ptr_array_index(statistic_traceset, i);
 272     if(s == stats) break;
 273   }
 274   if(i==len){
 275     g_ptr_array_add(statistic_traceset, stats);
 276     return TRUE;
 277   }
 278   return FALSE;
 279 }
 280 #endif //0
 281
 282 /**
 283  * Statistic Viewer's constructor
 284  *
 285  * This constructor is used to create StatisticViewerData data structure.
 286  * @return The Statistic viewer data created.
 287  */
 288 StatisticViewerData *
 289 gui_statistic(LttvPluginTab *ptab)
 290 {
 291   GtkCellRenderer *renderer;
 292   GtkTreeViewColumn *column;
 293
 294   StatisticViewerData* statistic_viewer_data = g_new(StatisticViewerData,1);
 295   Tab *tab = ptab->tab;
 296   statistic_viewer_data->tab  = tab;
 297   statistic_viewer_data->ptab  = ptab;
 298  // statistic_viewer_data->stats  =
 299  //         lttvwindow_get_traceset_stats(statistic_viewer_data->tab);
 300  // statistic_viewer_data->calculate_stats =
 301  //   statistic_insert_traceset_stats((void *)statistic_viewer_data->stats);
 302
 303   lttvwindow_register_traceset_notify(statistic_viewer_data->tab,
 304                                       statistic_traceset_changed,
 305                                       statistic_viewer_data);
 306
 307   statistic_viewer_data->statistic_hash = g_hash_table_new_full(g_str_hash,
 308                                                   g_str_equal,
 309                                                   statistic_destroy_hash_key,
 310                                                   NULL);
 311
 312   statistic_viewer_data->hpaned_v  = gtk_hpaned_new();
 313   statistic_viewer_data->store_m = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING);
 314   statistic_viewer_data->tree_v  =
 315     gtk_tree_view_new_with_model (
 316         GTK_TREE_MODEL (statistic_viewer_data->store_m));
 317   g_object_unref (G_OBJECT (statistic_viewer_data->store_m));
 318
 319   // Setup the selection handler
 320   statistic_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (statistic_viewer_data->tree_v));
 321   gtk_tree_selection_set_mode (statistic_viewer_data->select_c, GTK_SELECTION_SINGLE);
 322   g_signal_connect (G_OBJECT (statistic_viewer_data->select_c), "changed",
 323         G_CALLBACK (tree_selection_changed_cb),
 324         statistic_viewer_data);
 325
 326   renderer = gtk_cell_renderer_text_new ();
 327   column = gtk_tree_view_column_new_with_attributes ("Statistic Name",
 328                  renderer,
 329                  "text", NAME_COLUMN,
 330                  NULL);
 331   gtk_tree_view_column_set_alignment (column, 0.0);
 332   //  gtk_tree_view_column_set_fixed_width (column, 45);
 333   gtk_tree_view_append_column (GTK_TREE_VIEW (statistic_viewer_data->tree_v), column);
 334
 335
 336   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (statistic_viewer_data->tree_v), FALSE);
 337
 338   statistic_viewer_data->scroll_win_tree = gtk_scrolled_window_new (NULL, NULL);
 339   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_tree),
 340          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 341
 342   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_tree), statistic_viewer_data->tree_v);
 343   gtk_paned_pack1(GTK_PANED(statistic_viewer_data->hpaned_v),statistic_viewer_data->scroll_win_tree, TRUE, FALSE);
 344   gtk_paned_set_position(GTK_PANED(statistic_viewer_data->hpaned_v), 160);
 345
 346   statistic_viewer_data->scroll_win_text = gtk_scrolled_window_new (NULL, NULL);
 347   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_text),
 348          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 349
 350   statistic_viewer_data->text_v = gtk_text_view_new ();
 351
 352   gtk_text_view_set_editable(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 353   gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 354   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_text), statistic_viewer_data->text_v);
 355   gtk_paned_pack2(GTK_PANED(statistic_viewer_data->hpaned_v), statistic_viewer_data->scroll_win_text, TRUE, FALSE);
 356
 357   gtk_container_set_border_width(
 358       GTK_CONTAINER(statistic_viewer_data->hpaned_v), 1);
 359
 360   gtk_widget_show(statistic_viewer_data->scroll_win_tree);
 361   gtk_widget_show(statistic_viewer_data->scroll_win_text);
 362   gtk_widget_show(statistic_viewer_data->tree_v);
 363   gtk_widget_show(statistic_viewer_data->text_v);
 364   gtk_widget_show(statistic_viewer_data->hpaned_v);
 365
 366   g_object_set_data_full(
 367       G_OBJECT(guistatistic_get_widget(statistic_viewer_data)),
 368       "statistic_viewer_data",
 369       statistic_viewer_data,
 370       (GDestroyNotify)gui_statistic_destructor);
 371
 372   /* Add the object's information to the module's array */
 373   g_statistic_viewer_data_list = g_slist_append(
 374       g_statistic_viewer_data_list,
 375       statistic_viewer_data);
 376
 377   request_background_data(statistic_viewer_data);
 378
 379   return statistic_viewer_data;
 380 }
 381
 382 static void
 383 tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
 384 {
 385   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*)data;
 386   GtkTreeIter iter;
 387   GtkTreeModel *model = GTK_TREE_MODEL(statistic_viewer_data->store_m);
 388   gchar *event;
 389   GtkTextBuffer* buf;
 390   gchar * str;
 391   GtkTreePath * path;
 392   GtkTextIter   text_iter;
 393   LttvAttribute * stats;
 394
 395   if (gtk_tree_selection_get_selected (selection, &model, &iter))
 396     {
 397       gtk_tree_model_get (model, &iter, NAME_COLUMN, &event, -1);
 398
 399       path = gtk_tree_model_get_path(GTK_TREE_MODEL(model),&iter);
 400       str = gtk_tree_path_to_string (path);
 401       stats = (LttvAttribute*)g_hash_table_lookup (statistic_viewer_data->statistic_hash,str);
 402       g_free(str);
 403
 404       buf =  gtk_text_view_get_buffer((GtkTextView*)statistic_viewer_data->text_v);
 405       gtk_text_buffer_set_text(buf,"Statistic for  '", -1);
 406       gtk_text_buffer_get_end_iter(buf, &text_iter);
 407       gtk_text_buffer_insert(buf, &text_iter, event, strlen(event));
 408       gtk_text_buffer_get_end_iter(buf, &text_iter);
 409       gtk_text_buffer_insert(buf, &text_iter, "' :\n\n",5);
 410
 411       show_statistic(statistic_viewer_data, stats, buf);
 412
 413       g_free (event);
 414     }
 415 }
 416
 417 void statistic_destroy_hash_key(gpointer key)
 418 {
 419   g_free(key);
 420 }
 421
 422 #ifdef DEBUG
 423 #include <stdio.h>
 424 extern FILE *stdin;
 425 extern FILE *stdout;
 426 extern FILE *stderr;
 427 #endif //DEBUG
 428
 429 void show_traceset_stats(StatisticViewerData * statistic_viewer_data)
 430 {
 431   Tab *tab = statistic_viewer_data->tab;
 432   int i, nb;
 433   LttvTraceset *ts;
 434   LttvTraceStats *tcs;
 435   LttSystemDescription *desc;
 436   LttvTracesetStats * tscs = lttvwindow_get_traceset_stats(tab);
 437   gchar * str, trace_str[PATH_LENGTH];
 438   GtkTreePath * path;
 439   GtkTreeIter   iter;
 440   GtkTreeStore * store = statistic_viewer_data->store_m;
 441
 442   if(tscs->stats == NULL) return;
 443 #ifdef DEBUG
 444   lttv_attribute_write_xml(tscs->stats, stdout, 1, 4);
 445 #endif //DEBUG
 446
 447   ts = tscs->parent.parent.ts;
 448   nb = lttv_traceset_number(ts);
 449   if(nb == 0) return;
 450
 451   gtk_tree_store_append (store, &iter, NULL);
 452   gtk_tree_store_set (store, &iter,
 453           NAME_COLUMN, "Traceset statistics",
 454           -1);
 455   path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 456   str = gtk_tree_path_to_string (path);
 457   g_hash_table_insert(statistic_viewer_data->statistic_hash,
 458           (gpointer)str, tscs->stats);
 459   show_tree(statistic_viewer_data, tscs->stats, &iter);
 460
 461   //show stats for all traces
 462   for(i = 0 ; i < nb ; i++) {
 463     tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
 464 #if 0 //FIXME
 465     desc = ltt_trace_system_description(tcs->parent.parent.t);
 466     LttTime start_time = ltt_trace_system_description_trace_start_time(desc);
 467     sprintf(trace_str, "Trace on system %s at time %lu.%09lu",
 468             ltt_trace_system_description_node_name(desc),
 469             start_time.tv_sec,
 470             start_time.tv_nsec);
 471 #endif //0
 472     sprintf(trace_str, g_quark_to_string(ltt_trace_name(tcs->parent.parent.t)));
 473     gtk_tree_store_append (store, &iter, NULL);
 474     gtk_tree_store_set (store, &iter,NAME_COLUMN,trace_str,-1);
 475     path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 476     str = gtk_tree_path_to_string (path);
 477     g_hash_table_insert(statistic_viewer_data->statistic_hash,
 478       (gpointer)str,tcs->stats);
 479     show_tree(statistic_viewer_data, tcs->stats, &iter);
 480 #ifdef DEBUG
 481     lttv_attribute_write_xml(tcs->stats, stdout, 3, 4);
 482 #endif //DEBUG
 483   }
 484 }
 485
 486 void show_tree(StatisticViewerData * statistic_viewer_data,
 487          LttvAttribute* stats,  GtkTreeIter* parent)
 488 {
 489   int i, nb;
 490   LttvAttribute *subtree;
 491   LttvAttributeName name;
 492   LttvAttributeValue value;
 493   LttvAttributeType type;
 494         gboolean is_named;
 495   gchar * str, dir_str[PATH_LENGTH];
 496   GtkTreePath * path;
 497   GtkTreeIter   iter;
 498   GtkTreeStore * store = statistic_viewer_data->store_m;
 499
 500   nb = lttv_attribute_get_number(stats);
 501   for(i = 0 ; i < nb ; i++) {
 502     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 503     switch(type) {
 504      case LTTV_GOBJECT:
 505         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 506           subtree = (LttvAttribute *)*(value.v_gobject);
 507           if(is_named)
 508             sprintf(dir_str, "%s", g_quark_to_string(name));
 509           else
 510             sprintf(dir_str, "%u", name);
 511           gtk_tree_store_append (store, &iter, parent);
 512           gtk_tree_store_set (store, &iter,NAME_COLUMN,dir_str,-1);
 513           path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 514           str = gtk_tree_path_to_string (path);
 515           g_hash_table_insert(statistic_viewer_data->statistic_hash,
 516             (gpointer)str, subtree);
 517           show_tree(statistic_viewer_data, subtree, &iter);
 518         }
 519         break;
 520       default:
 521   break;
 522     }
 523   }
 524 }
 525
 526 void show_statistic(StatisticViewerData * statistic_viewer_data,
 527         LttvAttribute* stats, GtkTextBuffer* buf)
 528 {
 529   int i, nb , flag;
 530   LttvAttributeName name;
 531   LttvAttributeValue value;
 532   LttvAttributeType type;
 533         gboolean is_named;
 534   gchar type_name[PATH_LENGTH], type_value[PATH_LENGTH];
 535   GtkTextIter   text_iter;
 536
 537   flag = 0;
 538   nb = lttv_attribute_get_number(stats);
 539   for(i = 0 ; i < nb ; i++) {
 540     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 541                 if(is_named)
 542             sprintf(type_name,"%s", g_quark_to_string(name));
 543                 else
 544             sprintf(type_name,"%u", name);
 545     type_value[0] = '\0';
 546     switch(type) {
 547       case LTTV_INT:
 548         sprintf(type_value, " :  %d\n", *value.v_int);
 549         break;
 550       case LTTV_UINT:
 551         sprintf(type_value, " :  %u\n", *value.v_uint);
 552         break;
 553       case LTTV_LONG:
 554         sprintf(type_value, " :  %ld\n", *value.v_long);
 555         break;
 556       case LTTV_ULONG:
 557         sprintf(type_value, " :  %lu\n", *value.v_ulong);
 558         break;
 559       case LTTV_FLOAT:
 560         sprintf(type_value, " :  %f\n", (double)*value.v_float);
 561         break;
 562       case LTTV_DOUBLE:
 563         sprintf(type_value, " :  %f\n", *value.v_double);
 564         break;
 565       case LTTV_TIME:
 566         sprintf(type_value, " :  %10lu.%09lu\n", value.v_time->tv_sec,
 567             value.v_time->tv_nsec);
 568         break;
 569       case LTTV_POINTER:
 570         sprintf(type_value, " :  POINTER\n");
 571         break;
 572       case LTTV_STRING:
 573         sprintf(type_value, " :  %s\n", *value.v_string);
 574         break;
 575       default:
 576         break;
 577     }
 578     if(strlen(type_value)){
 579       flag = 1;
 580       strcat(type_name,type_value);
 581       gtk_text_buffer_get_end_iter(buf, &text_iter);
 582       gtk_text_buffer_insert(buf, &text_iter, type_name, strlen(type_name));
 583     }
 584   }
 585
 586   if(flag == 0){
 587     sprintf(type_value, "No statistic information in this directory.\nCheck in subdirectories please.\n");
 588     gtk_text_buffer_get_end_iter(buf, &text_iter);
 589     gtk_text_buffer_insert(buf, &text_iter, type_value, strlen(type_value));
 590
 591   }
 592 }
 593
 594 gboolean statistic_traceset_changed(void * hook_data, void * call_data)
 595 {
 596   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 597
 598   request_background_data(statistic_viewer_data);
 599
 600   return FALSE;
 601 }
 602
 603 #if 0
 604 void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
 605            LttvTracesetContext * tsc)
 606 {
 607   gint i, j, nbi, nb_tracefile;
 608   LttTrace *trace;
 609   LttvTraceContext *tc;
 610   LttvTracefileContext *tfc;
 611   LttvTracesetSelector  * ts_s;
 612   LttvTraceSelector     * t_s;
 613   LttvTracefileSelector * tf_s;
 614   gboolean selected;
 615
 616   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 617               statistic_viewer_data->filter_key);
 618
 619   //if there are hooks for traceset, add them here
 620
 621   nbi = lttv_traceset_number(tsc->ts);
 622   for(i = 0 ; i < nbi ; i++) {
 623     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 624     selected = lttv_trace_selector_get_selected(t_s);
 625     if(!selected) continue;
 626     tc = tsc->traces[i];
 627     trace = tc->t;
 628     //if there are hooks for trace, add them here
 629
 630     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 631         ltt_trace_per_cpu_tracefile_number(trace);
 632
 633     for(j = 0 ; j < nb_tracefile ; j++) {
 634       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 635       selected = lttv_tracefile_selector_get_selected(tf_s);
 636       if(!selected) continue;
 637       tfc = tc->tracefiles[j];
 638
 639       //if there are hooks for tracefile, add them here
 640       //      lttv_tracefile_context_add_hooks(tfc, NULL,NULL,NULL,NULL,
 641       //               statistic_viewer_data->before_event_hooks,NULL);
 642     }
 643   }
 644
 645   lttv_stats_add_event_hooks(LTTV_TRACESET_STATS(tsc));
 646
 647 }
 648
 649 void statistic_remove_context_hooks(StatisticViewerData * statistic_viewer_data,
 650         LttvTracesetContext * tsc)
 651 {
 652   gint i, j, nbi, nb_tracefile;
 653   LttTrace *trace;
 654   LttvTraceContext *tc;
 655   LttvTracefileContext *tfc;
 656   LttvTracesetSelector  * ts_s;
 657   LttvTraceSelector     * t_s;
 658   LttvTracefileSelector * tf_s;
 659   gboolean selected;
 660
 661   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 662               statistic_viewer_data->filter_key);
 663
 664   //if there are hooks for traceset, remove them here
 665
 666   nbi = lttv_traceset_number(tsc->ts);
 667   for(i = 0 ; i < nbi ; i++) {
 668     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 669     selected = lttv_trace_selector_get_selected(t_s);
 670     if(!selected) continue;
 671     tc = tsc->traces[i];
 672     trace = tc->t;
 673     //if there are hooks for trace, remove them here
 674
 675     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 676         ltt_trace_per_cpu_tracefile_number(trace);
 677
 678     for(j = 0 ; j < nb_tracefile ; j++) {
 679       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 680       selected = lttv_tracefile_selector_get_selected(tf_s);
 681       if(!selected) continue;
 682       tfc = tc->tracefiles[j];
 683
 684       //if there are hooks for tracefile, remove them here
 685       //      lttv_tracefile_context_remove_hooks(tfc, NULL,NULL,NULL,NULL,
 686       //            statistic_viewer_data->before_event_hooks,NULL);
 687     }
 688   }
 689
 690   lttv_stats_remove_event_hooks(LTTV_TRACESET_STATS(tsc));
 691 }
 692 #endif //0
 693
 694 /**
 695  * plugin's init function
 696  *
 697  * This function initializes the Statistic Viewer functionnality through the
 698  * gtkTraceSet API.
 699  */
 700 static void init() {
 701
 702   lttvwindow_register_constructor("guistatistics",
 703                                   "/",
 704                                   "Insert Statistic Viewer",
 705                                   hGuiStatisticInsert_xpm,
 706                                   "Insert Statistic Viewer",
 707                                   h_gui_statistic);
 708 }
 709
 710 void statistic_destroy_walk(gpointer data, gpointer user_data)
 711 {
 712   StatisticViewerData *svd = (StatisticViewerData*)data;
 713
 714   g_debug("CFV.c : statistic_destroy_walk, %p", svd);
 715   /* May already have been done by GTK window closing */
 716   if(GTK_IS_WIDGET(guistatistic_get_widget(svd)))
 717     gtk_widget_destroy(guistatistic_get_widget(svd));
 718 }
 719
 720 /**
 721  * plugin's destroy function
 722  *
 723  * This function releases the memory reserved by the module and unregisters
 724  * everything that has been registered in the gtkTraceSet API.
 725  */
 726 static void destroy() {
 727
 728   g_slist_foreach(g_statistic_viewer_data_list, statistic_destroy_walk, NULL );
 729   g_slist_free(g_statistic_viewer_data_list);
 730
 731   lttvwindow_unregister_constructor(h_gui_statistic);
 732
 733 }
 734
 735
 736 LTTV_MODULE("guistatistics", "Statistics viewer", \
 737     "Graphical module to view statistics about processes, CPUs and systems", \
 738     init, destroy, "lttvwindow")
 739