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/trace.h>
  31
  32 #include <lttv/lttv.h>
  33 #include <lttv/module.h>
  34 #include <lttv/tracecontext.h>
  35 #include <lttv/hook.h>
  36 #include <lttv/state.h>
  37 #include <lttv/stats.h>
  38
  39 #include <lttvwindow/lttvwindow.h>
  40 #include <lttvwindow/lttvwindowtraces.h>
  41 #include <lttvwindow/lttv_plugin_tab.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(LttvPlugin *plugin);
  61 //! Statistic Viewer's constructor
  62 StatisticViewerData *gui_statistic(LttvPluginTab *ptab);
  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   LttvPluginTab *ptab;
  95   //LttvTracesetStats * stats;
  96   int                 size;
  97
  98   //gboolean     shown;       //indicate if the statistic is shown or not
  99   //char *       filter_key;
 100
 101   GtkWidget    * hpaned_v;
 102   GtkTreeStore * store_m;
 103   GtkWidget    * tree_v;
 104
 105   //scroll window containing Tree View
 106   GtkWidget * scroll_win_tree;
 107
 108   GtkWidget    * text_v;
 109   //scroll window containing Text View
 110   GtkWidget * scroll_win_text;
 111
 112   // Selection handler
 113   GtkTreeSelection *select_c;
 114
 115   //hash
 116   GHashTable *statistic_hash;
 117
 118   guint background_info_waiting;
 119 };
 120
 121
 122
 123
 124 /* Action to do when background computation completed.
 125  *
 126  * Eventually, will have to check that every requested traces are finished
 127  * before doing the redraw. It will save unnecessary processor usage.
 128  */
 129
 130 static gint background_ready(void *hook_data, void *call_data)
 131 {
 132   StatisticViewerData *svd = (StatisticViewerData *)hook_data;
 133   Tab *tab = svd->tab;
 134
 135   svd->background_info_waiting--;
 136
 137   if(svd->background_info_waiting == 0) {
 138     g_message("statistics viewer : background computation data ready.");
 139
 140     gtk_tree_store_clear (svd->store_m);
 141
 142     lttv_stats_sum_traceset(lttvwindow_get_traceset_stats(tab),
 143       ltt_time_infinite);
 144     show_traceset_stats(svd);
 145   }
 146
 147   return 0;
 148 }
 149
 150 /* Request background computation. Verify if it is in progress or ready first.
 151  *
 152  * Right now, for all loaded traces.
 153  *
 154  * Later : must be only for each trace in the tab's traceset.
 155  */
 156 static void request_background_data(StatisticViewerData *svd)
 157 {
 158   gint num_traces = lttvwindowtraces_get_number();
 159   gint i;
 160   LttvTrace *trace;
 161   GtkTextBuffer* buf;
 162
 163   LttvHooks *background_ready_hook =
 164     lttv_hooks_new();
 165   lttv_hooks_add(background_ready_hook, background_ready, svd,
 166       LTTV_PRIO_DEFAULT);
 167   svd->background_info_waiting = num_traces;
 168   buf = gtk_text_view_get_buffer((GtkTextView*)svd->text_v);
 169   gtk_text_buffer_set_text(buf,"", -1);
 170
 171   for(i=0;i<num_traces;i++) {
 172     trace = lttvwindowtraces_get_trace(i);
 173
 174     if(lttvwindowtraces_get_ready(g_quark_from_string("stats"),trace)==FALSE) {
 175
 176       if(lttvwindowtraces_get_in_progress(g_quark_from_string("stats"),
 177                                           trace) == FALSE) {
 178         /* We first remove requests that could have been done for the same
 179          * information. Happens when two viewers ask for it before servicing
 180          * starts.
 181          */
 182         if(!lttvwindowtraces_background_request_find(trace, "stats"))
 183           lttvwindowtraces_background_request_queue(
 184               main_window_get_widget(svd->tab), trace, "stats");
 185         lttvwindowtraces_background_notify_queue(svd,
 186                                                  trace,
 187                                                  ltt_time_infinite,
 188                                                  NULL,
 189                                                  background_ready_hook);
 190       } else { /* in progress */
 191         lttvwindowtraces_background_notify_current(svd,
 192                                                    trace,
 193                                                    ltt_time_infinite,
 194                                                    NULL,
 195                                                    background_ready_hook);
 196
 197       }
 198     } else {
 199       /* ready */
 200       lttv_hooks_call(background_ready_hook, NULL);
 201     }
 202   }
 203
 204   if(num_traces == 0) {
 205     svd->background_info_waiting = 1;
 206     lttv_hooks_call(background_ready_hook, NULL);
 207   }
 208   lttv_hooks_destroy(background_ready_hook);
 209 }
 210
 211
 212 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd)
 213 {
 214   return svd->hpaned_v;
 215 }
 216
 217
 218 void
 219 gui_statistic_destructor(StatisticViewerData *statistic_viewer_data)
 220 {
 221   Tab *tab = statistic_viewer_data->tab;
 222
 223   /* May already been done by GTK window closing */
 224   if(GTK_IS_WIDGET(guistatistic_get_widget(statistic_viewer_data))){
 225     g_info("widget still exists");
 226   }
 227   if(tab != NULL) {
 228     lttvwindow_unregister_traceset_notify(statistic_viewer_data->tab,
 229                                           statistic_traceset_changed,
 230                                           statistic_viewer_data);
 231   }
 232   lttvwindowtraces_background_notify_remove(statistic_viewer_data);
 233
 234   g_hash_table_destroy(statistic_viewer_data->statistic_hash);
 235   g_statistic_viewer_data_list =
 236     g_slist_remove(g_statistic_viewer_data_list, statistic_viewer_data);
 237   g_free(statistic_viewer_data);
 238 }
 239
 240
 241 /**
 242  * Statistic Viewer's constructor hook
 243  *
 244  * This constructor is given as a parameter to the menuitem and toolbar button
 245  * registration. It creates the list.
 246  * @param parent_window A pointer to the parent window.
 247  * @return The widget created.
 248  */
 249 GtkWidget *
 250 h_gui_statistic(LttvPlugin *plugin)
 251 {
 252   LttvPluginTab *ptab = LTTV_PLUGIN_TAB(plugin);
 253   StatisticViewerData* statistic_viewer_data = gui_statistic(ptab) ;
 254
 255   if(statistic_viewer_data)
 256     return guistatistic_get_widget(statistic_viewer_data);
 257   else return NULL;
 258
 259 }
 260
 261 #if 0
 262 gboolean statistic_insert_traceset_stats(void * stats)
 263 {
 264   int i, len;
 265   gpointer s;
 266
 267   len = statistic_traceset->len;
 268   for(i=0;i<len;i++){
 269     s = g_ptr_array_index(statistic_traceset, i);
 270     if(s == stats) break;
 271   }
 272   if(i==len){
 273     g_ptr_array_add(statistic_traceset, stats);
 274     return TRUE;
 275   }
 276   return FALSE;
 277 }
 278 #endif //0
 279
 280 /**
 281  * Statistic Viewer's constructor
 282  *
 283  * This constructor is used to create StatisticViewerData data structure.
 284  * @return The Statistic viewer data created.
 285  */
 286 StatisticViewerData *
 287 gui_statistic(LttvPluginTab *ptab)
 288 {
 289   GtkCellRenderer *renderer;
 290   GtkTreeViewColumn *column;
 291
 292   StatisticViewerData* statistic_viewer_data = g_new(StatisticViewerData,1);
 293   Tab *tab = ptab->tab;
 294   statistic_viewer_data->tab  = tab;
 295   statistic_viewer_data->ptab  = ptab;
 296  // statistic_viewer_data->stats  =
 297  //         lttvwindow_get_traceset_stats(statistic_viewer_data->tab);
 298  // statistic_viewer_data->calculate_stats =
 299  //   statistic_insert_traceset_stats((void *)statistic_viewer_data->stats);
 300
 301   lttvwindow_register_traceset_notify(statistic_viewer_data->tab,
 302                                       statistic_traceset_changed,
 303                                       statistic_viewer_data);
 304
 305   statistic_viewer_data->statistic_hash = g_hash_table_new_full(g_str_hash,
 306                                                   g_str_equal,
 307                                                   statistic_destroy_hash_key,
 308                                                   NULL);
 309
 310   statistic_viewer_data->hpaned_v  = gtk_hpaned_new();
 311   statistic_viewer_data->store_m = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING);
 312   statistic_viewer_data->tree_v  =
 313     gtk_tree_view_new_with_model (
 314         GTK_TREE_MODEL (statistic_viewer_data->store_m));
 315   g_object_unref (G_OBJECT (statistic_viewer_data->store_m));
 316
 317   // Setup the selection handler
 318   statistic_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (statistic_viewer_data->tree_v));
 319   gtk_tree_selection_set_mode (statistic_viewer_data->select_c, GTK_SELECTION_SINGLE);
 320   g_signal_connect (G_OBJECT (statistic_viewer_data->select_c), "changed",
 321         G_CALLBACK (tree_selection_changed_cb),
 322         statistic_viewer_data);
 323
 324   renderer = gtk_cell_renderer_text_new ();
 325   column = gtk_tree_view_column_new_with_attributes ("Statistic Name",
 326                  renderer,
 327                  "text", NAME_COLUMN,
 328                  NULL);
 329   gtk_tree_view_column_set_alignment (column, 0.0);
 330   //  gtk_tree_view_column_set_fixed_width (column, 45);
 331   gtk_tree_view_append_column (GTK_TREE_VIEW (statistic_viewer_data->tree_v), column);
 332
 333
 334   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (statistic_viewer_data->tree_v), FALSE);
 335
 336   statistic_viewer_data->scroll_win_tree = gtk_scrolled_window_new (NULL, NULL);
 337   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_tree),
 338          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 339
 340   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_tree), statistic_viewer_data->tree_v);
 341   gtk_paned_pack1(GTK_PANED(statistic_viewer_data->hpaned_v),statistic_viewer_data->scroll_win_tree, TRUE, FALSE);
 342   gtk_paned_set_position(GTK_PANED(statistic_viewer_data->hpaned_v), 160);
 343
 344   statistic_viewer_data->scroll_win_text = gtk_scrolled_window_new (NULL, NULL);
 345   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_text),
 346          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 347
 348   statistic_viewer_data->text_v = gtk_text_view_new ();
 349
 350   gtk_text_view_set_editable(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 351   gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 352   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_text), statistic_viewer_data->text_v);
 353   gtk_paned_pack2(GTK_PANED(statistic_viewer_data->hpaned_v), statistic_viewer_data->scroll_win_text, TRUE, FALSE);
 354
 355   gtk_container_set_border_width(
 356       GTK_CONTAINER(statistic_viewer_data->hpaned_v), 1);
 357
 358   gtk_widget_show(statistic_viewer_data->scroll_win_tree);
 359   gtk_widget_show(statistic_viewer_data->scroll_win_text);
 360   gtk_widget_show(statistic_viewer_data->tree_v);
 361   gtk_widget_show(statistic_viewer_data->text_v);
 362   gtk_widget_show(statistic_viewer_data->hpaned_v);
 363
 364   g_object_set_data_full(
 365       G_OBJECT(guistatistic_get_widget(statistic_viewer_data)),
 366       "statistic_viewer_data",
 367       statistic_viewer_data,
 368       (GDestroyNotify)gui_statistic_destructor);
 369
 370   /* Add the object's information to the module's array */
 371   g_statistic_viewer_data_list = g_slist_append(
 372       g_statistic_viewer_data_list,
 373       statistic_viewer_data);
 374
 375   request_background_data(statistic_viewer_data);
 376
 377   return statistic_viewer_data;
 378 }
 379
 380 static void
 381 tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
 382 {
 383   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*)data;
 384   GtkTreeIter iter;
 385   GtkTreeModel *model = GTK_TREE_MODEL(statistic_viewer_data->store_m);
 386   gchar *event;
 387   GtkTextBuffer* buf;
 388   gchar * str;
 389   GtkTreePath * path;
 390   GtkTextIter   text_iter;
 391   LttvAttribute * stats;
 392
 393   if (gtk_tree_selection_get_selected (selection, &model, &iter))
 394     {
 395       gtk_tree_model_get (model, &iter, NAME_COLUMN, &event, -1);
 396
 397       path = gtk_tree_model_get_path(GTK_TREE_MODEL(model),&iter);
 398       str = gtk_tree_path_to_string (path);
 399       stats = (LttvAttribute*)g_hash_table_lookup (statistic_viewer_data->statistic_hash,str);
 400       g_free(str);
 401
 402       buf =  gtk_text_view_get_buffer((GtkTextView*)statistic_viewer_data->text_v);
 403       gtk_text_buffer_set_text(buf,"Statistic for  '", -1);
 404       gtk_text_buffer_get_end_iter(buf, &text_iter);
 405       gtk_text_buffer_insert(buf, &text_iter, event, strlen(event));
 406       gtk_text_buffer_get_end_iter(buf, &text_iter);
 407       gtk_text_buffer_insert(buf, &text_iter, "' :\n\n",5);
 408
 409       show_statistic(statistic_viewer_data, stats, buf);
 410
 411       g_free (event);
 412     }
 413 }
 414
 415 void statistic_destroy_hash_key(gpointer key)
 416 {
 417   g_free(key);
 418 }
 419
 420 #ifdef DEBUG
 421 #include <stdio.h>
 422 extern FILE *stdin;
 423 extern FILE *stdout;
 424 extern FILE *stderr;
 425 #endif //DEBUG
 426
 427 void show_traceset_stats(StatisticViewerData * statistic_viewer_data)
 428 {
 429   Tab *tab = statistic_viewer_data->tab;
 430   int i, nb;
 431   LttvTraceset *ts;
 432   LttvTraceStats *tcs;
 433   LttvTracesetStats * tscs = lttvwindow_get_traceset_stats(tab);
 434   gchar * str, trace_str[PATH_LENGTH];
 435   GtkTreePath * path;
 436   GtkTreeIter   iter;
 437   GtkTreeStore * store = statistic_viewer_data->store_m;
 438
 439   if(tscs->stats == NULL) return;
 440 #ifdef DEBUG
 441   lttv_attribute_write_xml(tscs->stats, stdout, 1, 4);
 442 #endif //DEBUG
 443
 444   ts = tscs->parent.parent.ts;
 445   nb = lttv_traceset_number(ts);
 446   if(nb == 0) return;
 447
 448   gtk_tree_store_append (store, &iter, NULL);
 449   gtk_tree_store_set (store, &iter,
 450           NAME_COLUMN, "Traceset statistics",
 451           -1);
 452   path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 453   str = gtk_tree_path_to_string (path);
 454   g_hash_table_insert(statistic_viewer_data->statistic_hash,
 455           (gpointer)str, tscs->stats);
 456   show_tree(statistic_viewer_data, tscs->stats, &iter);
 457
 458   //show stats for all traces
 459   for(i = 0 ; i < nb ; i++) {
 460     tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
 461 #if 0 //FIXME
 462     desc = ltt_trace_system_description(tcs->parent.parent.t);
 463     LttTime start_time = ltt_trace_system_description_trace_start_time(desc);
 464     sprintf(trace_str, "Trace on system %s at time %lu.%09lu",
 465             ltt_trace_system_description_node_name(desc),
 466             start_time.tv_sec,
 467             start_time.tv_nsec);
 468 #endif //0
 469     sprintf(trace_str, "%s", g_quark_to_string(ltt_trace_name(tcs->parent.parent.t)));
 470     gtk_tree_store_append (store, &iter, NULL);
 471     gtk_tree_store_set (store, &iter,NAME_COLUMN,trace_str,-1);
 472     path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 473     str = gtk_tree_path_to_string (path);
 474     g_hash_table_insert(statistic_viewer_data->statistic_hash,
 475       (gpointer)str,tcs->stats);
 476     show_tree(statistic_viewer_data, tcs->stats, &iter);
 477 #ifdef DEBUG
 478     lttv_attribute_write_xml(tcs->stats, stdout, 3, 4);
 479 #endif //DEBUG
 480   }
 481 }
 482
 483 void show_tree(StatisticViewerData * statistic_viewer_data,
 484          LttvAttribute* stats,  GtkTreeIter* parent)
 485 {
 486   int i, nb;
 487   LttvAttribute *subtree;
 488   LttvAttributeName name;
 489   LttvAttributeValue value;
 490   LttvAttributeType type;
 491         gboolean is_named;
 492   gchar * str, dir_str[PATH_LENGTH];
 493   GtkTreePath * path;
 494   GtkTreeIter   iter;
 495   GtkTreeStore * store = statistic_viewer_data->store_m;
 496
 497   nb = lttv_attribute_get_number(stats);
 498   for(i = 0 ; i < nb ; i++) {
 499     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 500     switch(type) {
 501      case LTTV_GOBJECT:
 502         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 503           subtree = (LttvAttribute *)*(value.v_gobject);
 504           if(is_named)
 505             sprintf(dir_str, "%s", g_quark_to_string(name));
 506           else
 507             sprintf(dir_str, "%u", name);
 508           gtk_tree_store_append (store, &iter, parent);
 509           gtk_tree_store_set (store, &iter,NAME_COLUMN,dir_str,-1);
 510           path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 511           str = gtk_tree_path_to_string (path);
 512           g_hash_table_insert(statistic_viewer_data->statistic_hash,
 513             (gpointer)str, subtree);
 514           show_tree(statistic_viewer_data, subtree, &iter);
 515         }
 516         break;
 517       default:
 518   break;
 519     }
 520   }
 521 }
 522
 523 void show_statistic(StatisticViewerData * statistic_viewer_data,
 524         LttvAttribute* stats, GtkTextBuffer* buf)
 525 {
 526   int i, nb , flag;
 527   LttvAttributeName name;
 528   LttvAttributeValue value;
 529   LttvAttributeType type;
 530         gboolean is_named;
 531   gchar type_name[PATH_LENGTH], type_value[PATH_LENGTH];
 532   GtkTextIter   text_iter;
 533
 534   flag = 0;
 535   nb = lttv_attribute_get_number(stats);
 536   for(i = 0 ; i < nb ; i++) {
 537     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 538                 if(is_named)
 539             sprintf(type_name,"%s", g_quark_to_string(name));
 540                 else
 541             sprintf(type_name,"%u", name);
 542     type_value[0] = '\0';
 543     switch(type) {
 544       case LTTV_INT:
 545         sprintf(type_value, " :  %d\n", *value.v_int);
 546         break;
 547       case LTTV_UINT:
 548         sprintf(type_value, " :  %u\n", *value.v_uint);
 549         break;
 550       case LTTV_LONG:
 551         sprintf(type_value, " :  %ld\n", *value.v_long);
 552         break;
 553       case LTTV_ULONG:
 554         sprintf(type_value, " :  %lu\n", *value.v_ulong);
 555         break;
 556       case LTTV_FLOAT:
 557         sprintf(type_value, " :  %f\n", (double)*value.v_float);
 558         break;
 559       case LTTV_DOUBLE:
 560         sprintf(type_value, " :  %f\n", *value.v_double);
 561         break;
 562       case LTTV_TIME:
 563         sprintf(type_value, " :  %10lu.%09lu\n", value.v_time->tv_sec,
 564             value.v_time->tv_nsec);
 565         break;
 566       case LTTV_POINTER:
 567         sprintf(type_value, " :  POINTER\n");
 568         break;
 569       case LTTV_STRING:
 570         sprintf(type_value, " :  %s\n", *value.v_string);
 571         break;
 572       default:
 573         break;
 574     }
 575     if(strlen(type_value)){
 576       flag = 1;
 577       strcat(type_name,type_value);
 578       gtk_text_buffer_get_end_iter(buf, &text_iter);
 579       gtk_text_buffer_insert(buf, &text_iter, type_name, strlen(type_name));
 580     }
 581   }
 582
 583   if(flag == 0){
 584     sprintf(type_value, "No statistic information in this directory.\nCheck in subdirectories please.\n");
 585     gtk_text_buffer_get_end_iter(buf, &text_iter);
 586     gtk_text_buffer_insert(buf, &text_iter, type_value, strlen(type_value));
 587
 588   }
 589 }
 590
 591 gboolean statistic_traceset_changed(void * hook_data, void * call_data)
 592 {
 593   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 594
 595   request_background_data(statistic_viewer_data);
 596
 597   return FALSE;
 598 }
 599
 600 #if 0
 601 void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
 602            LttvTracesetContext * tsc)
 603 {
 604   gint i, j, nbi, nb_tracefile;
 605   LttTrace *trace;
 606   LttvTraceContext *tc;
 607   LttvTracefileContext *tfc;
 608   LttvTracesetSelector  * ts_s;
 609   LttvTraceSelector     * t_s;
 610   LttvTracefileSelector * tf_s;
 611   gboolean selected;
 612
 613   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 614               statistic_viewer_data->filter_key);
 615
 616   //if there are hooks for traceset, add them here
 617
 618   nbi = lttv_traceset_number(tsc->ts);
 619   for(i = 0 ; i < nbi ; i++) {
 620     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 621     selected = lttv_trace_selector_get_selected(t_s);
 622     if(!selected) continue;
 623     tc = tsc->traces[i];
 624     trace = tc->t;
 625     //if there are hooks for trace, add them here
 626
 627     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 628         ltt_trace_per_cpu_tracefile_number(trace);
 629
 630     for(j = 0 ; j < nb_tracefile ; j++) {
 631       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 632       selected = lttv_tracefile_selector_get_selected(tf_s);
 633       if(!selected) continue;
 634       tfc = tc->tracefiles[j];
 635
 636       //if there are hooks for tracefile, add them here
 637       //      lttv_tracefile_context_add_hooks(tfc, NULL,NULL,NULL,NULL,
 638       //               statistic_viewer_data->before_event_hooks,NULL);
 639     }
 640   }
 641
 642   lttv_stats_add_event_hooks(LTTV_TRACESET_STATS(tsc));
 643
 644 }
 645
 646 void statistic_remove_context_hooks(StatisticViewerData * statistic_viewer_data,
 647         LttvTracesetContext * tsc)
 648 {
 649   gint i, j, nbi, nb_tracefile;
 650   LttTrace *trace;
 651   LttvTraceContext *tc;
 652   LttvTracefileContext *tfc;
 653   LttvTracesetSelector  * ts_s;
 654   LttvTraceSelector     * t_s;
 655   LttvTracefileSelector * tf_s;
 656   gboolean selected;
 657
 658   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 659               statistic_viewer_data->filter_key);
 660
 661   //if there are hooks for traceset, remove them here
 662
 663   nbi = lttv_traceset_number(tsc->ts);
 664   for(i = 0 ; i < nbi ; i++) {
 665     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 666     selected = lttv_trace_selector_get_selected(t_s);
 667     if(!selected) continue;
 668     tc = tsc->traces[i];
 669     trace = tc->t;
 670     //if there are hooks for trace, remove them here
 671
 672     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 673         ltt_trace_per_cpu_tracefile_number(trace);
 674
 675     for(j = 0 ; j < nb_tracefile ; j++) {
 676       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 677       selected = lttv_tracefile_selector_get_selected(tf_s);
 678       if(!selected) continue;
 679       tfc = tc->tracefiles[j];
 680
 681       //if there are hooks for tracefile, remove them here
 682       //      lttv_tracefile_context_remove_hooks(tfc, NULL,NULL,NULL,NULL,
 683       //            statistic_viewer_data->before_event_hooks,NULL);
 684     }
 685   }
 686
 687   lttv_stats_remove_event_hooks(LTTV_TRACESET_STATS(tsc));
 688 }
 689 #endif //0
 690
 691 /**
 692  * plugin's init function
 693  *
 694  * This function initializes the Statistic Viewer functionnality through the
 695  * gtkTraceSet API.
 696  */
 697 static void init() {
 698
 699   lttvwindow_register_constructor("guistatistics",
 700                                   "/",
 701                                   "Insert Statistic Viewer",
 702                                   hGuiStatisticInsert_xpm,
 703                                   "Insert Statistic Viewer",
 704                                   h_gui_statistic);
 705 }
 706
 707 void statistic_destroy_walk(gpointer data, gpointer user_data)
 708 {
 709   StatisticViewerData *svd = (StatisticViewerData*)data;
 710
 711   g_debug("CFV.c : statistic_destroy_walk, %p", svd);
 712   /* May already have been done by GTK window closing */
 713   if(GTK_IS_WIDGET(guistatistic_get_widget(svd)))
 714     gtk_widget_destroy(guistatistic_get_widget(svd));
 715 }
 716
 717 /**
 718  * plugin's destroy function
 719  *
 720  * This function releases the memory reserved by the module and unregisters
 721  * everything that has been registered in the gtkTraceSet API.
 722  */
 723 static void destroy() {
 724
 725   g_slist_foreach(g_statistic_viewer_data_list, statistic_destroy_walk, NULL );
 726   g_slist_free(g_statistic_viewer_data_list);
 727
 728   lttvwindow_unregister_constructor(h_gui_statistic);
 729
 730 }
 731
 732
 733 LTTV_MODULE("guistatistics", "Statistics viewer", \
 734     "Graphical module to view statistics about processes, CPUs and systems", \
 735     init, destroy, "lttvwindow")
 736