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., 51 Franklin Street, Fifth Floor, Boston,
  16  * MA 02110-1301, 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         guint live_trace_count;
 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
 136   svd->background_info_waiting--;
 137
 138   if(svd->background_info_waiting == 0) {
 139     g_message("statistics viewer : background computation data ready.");
 140
 141     gtk_tree_store_clear (svd->store_m);
 142
 143     lttv_stats_sum_traceset(lttvwindow_get_traceset_stats(tab),
 144       ltt_time_infinite);
 145     show_traceset_stats(svd);
 146   }
 147
 148   return 0;
 149 }
 150
 151 /* Request background computation. Verify if it is in progress or ready first.
 152  *
 153  * Right now, for all loaded traces.
 154  *
 155  * Later : must be only for each trace in the tab's traceset.
 156  */
 157 static void request_background_data(StatisticViewerData *svd)
 158 {
 159   gint num_traces = lttvwindowtraces_get_number();
 160   gint i;
 161   LttvTrace *trace;
 162   GtkTextBuffer* buf;
 163
 164   LttvHooks *background_ready_hook =
 165     lttv_hooks_new();
 166   lttv_hooks_add(background_ready_hook, background_ready, svd,
 167       LTTV_PRIO_DEFAULT);
 168   svd->background_info_waiting = num_traces;
 169   buf = gtk_text_view_get_buffer((GtkTextView*)svd->text_v);
 170   gtk_text_buffer_set_text(buf,"", -1);
 171
 172   for(i=0;i<num_traces;i++) {
 173     trace = lttvwindowtraces_get_trace(i);
 174
 175     if(lttvwindowtraces_get_ready(g_quark_from_string("stats"),trace)==FALSE) {
 176
 177       if(lttvwindowtraces_get_in_progress(g_quark_from_string("stats"),
 178                                           trace) == FALSE) {
 179         /* We first remove requests that could have been done for the same
 180          * information. Happens when two viewers ask for it before servicing
 181          * starts.
 182          */
 183         if(!lttvwindowtraces_background_request_find(trace, "stats"))
 184           lttvwindowtraces_background_request_queue(
 185               main_window_get_widget(svd->tab), trace, "stats");
 186         lttvwindowtraces_background_notify_queue(svd,
 187                                                  trace,
 188                                                  ltt_time_infinite,
 189                                                  NULL,
 190                                                  background_ready_hook);
 191       } else { /* in progress */
 192         lttvwindowtraces_background_notify_current(svd,
 193                                                    trace,
 194                                                    ltt_time_infinite,
 195                                                    NULL,
 196                                                    background_ready_hook);
 197
 198       }
 199     } else {
 200       /* ready */
 201       lttv_hooks_call(background_ready_hook, NULL);
 202     }
 203   }
 204
 205   if(num_traces == 0) {
 206     svd->background_info_waiting = 1;
 207     lttv_hooks_call(background_ready_hook, NULL);
 208   }
 209   lttv_hooks_destroy(background_ready_hook);
 210 }
 211
 212
 213 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd)
 214 {
 215   return svd->hpaned_v;
 216 }
 217
 218
 219 void
 220 gui_statistic_destructor(StatisticViewerData *statistic_viewer_data)
 221 {
 222   Tab *tab = statistic_viewer_data->tab;
 223
 224   /* May already been done by GTK window closing */
 225   if(GTK_IS_WIDGET(guistatistic_get_widget(statistic_viewer_data))){
 226     g_info("widget still exists");
 227   }
 228   if(tab != NULL) {
 229     lttvwindow_unregister_traceset_notify(statistic_viewer_data->tab,
 230                                           statistic_traceset_changed,
 231                                           statistic_viewer_data);
 232   }
 233   lttvwindowtraces_background_notify_remove(statistic_viewer_data);
 234
 235   g_hash_table_destroy(statistic_viewer_data->statistic_hash);
 236   g_statistic_viewer_data_list =
 237     g_slist_remove(g_statistic_viewer_data_list, statistic_viewer_data);
 238   g_free(statistic_viewer_data);
 239 }
 240
 241
 242 /**
 243  * Statistic Viewer's constructor hook
 244  *
 245  * This constructor is given as a parameter to the menuitem and toolbar button
 246  * registration. It creates the list.
 247  * @param parent_window A pointer to the parent window.
 248  * @return The widget created.
 249  */
 250 GtkWidget *
 251 h_gui_statistic(LttvPlugin *plugin)
 252 {
 253   LttvPluginTab *ptab = LTTV_PLUGIN_TAB(plugin);
 254   StatisticViewerData* statistic_viewer_data = gui_statistic(ptab) ;
 255
 256   if(statistic_viewer_data)
 257     return guistatistic_get_widget(statistic_viewer_data);
 258   else return NULL;
 259
 260 }
 261
 262 #if 0
 263 gboolean statistic_insert_traceset_stats(void * stats)
 264 {
 265   int i, len;
 266   gpointer s;
 267
 268   len = statistic_traceset->len;
 269   for(i=0;i<len;i++){
 270     s = g_ptr_array_index(statistic_traceset, i);
 271     if(s == stats) break;
 272   }
 273   if(i==len){
 274     g_ptr_array_add(statistic_traceset, stats);
 275     return TRUE;
 276   }
 277   return FALSE;
 278 }
 279 #endif //0
 280
 281 /**
 282  * Statistic Viewer's constructor
 283  *
 284  * This constructor is used to create StatisticViewerData data structure.
 285  * @return The Statistic viewer data created.
 286  */
 287 StatisticViewerData *
 288 gui_statistic(LttvPluginTab *ptab)
 289 {
 290   GtkCellRenderer *renderer;
 291   GtkTreeViewColumn *column;
 292
 293   StatisticViewerData* statistic_viewer_data = g_new(StatisticViewerData,1);
 294   statistic_viewer_data->live_trace_count = 0;
 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   statistic_viewer_data->statistic_hash = g_hash_table_new_full(g_str_hash,
 307                                                   g_str_equal,
 308                                                   statistic_destroy_hash_key,
 309                                                   NULL);
 310
 311   statistic_viewer_data->hpaned_v  = gtk_hpaned_new();
 312   statistic_viewer_data->store_m = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING);
 313   statistic_viewer_data->tree_v  =
 314     gtk_tree_view_new_with_model (
 315         GTK_TREE_MODEL (statistic_viewer_data->store_m));
 316   g_object_unref (G_OBJECT (statistic_viewer_data->store_m));
 317
 318   // Setup the selection handler
 319   statistic_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (statistic_viewer_data->tree_v));
 320   gtk_tree_selection_set_mode (statistic_viewer_data->select_c, GTK_SELECTION_SINGLE);
 321   g_signal_connect (G_OBJECT (statistic_viewer_data->select_c), "changed",
 322         G_CALLBACK (tree_selection_changed_cb),
 323         statistic_viewer_data);
 324
 325   renderer = gtk_cell_renderer_text_new ();
 326   column = gtk_tree_view_column_new_with_attributes ("Statistic Name",
 327                  renderer,
 328                  "text", NAME_COLUMN,
 329                  NULL);
 330   gtk_tree_view_column_set_alignment (column, 0.0);
 331   //  gtk_tree_view_column_set_fixed_width (column, 45);
 332   gtk_tree_view_append_column (GTK_TREE_VIEW (statistic_viewer_data->tree_v), column);
 333
 334
 335   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (statistic_viewer_data->tree_v), FALSE);
 336
 337   statistic_viewer_data->scroll_win_tree = gtk_scrolled_window_new (NULL, NULL);
 338   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_tree),
 339          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 340
 341   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_tree), statistic_viewer_data->tree_v);
 342   gtk_paned_pack1(GTK_PANED(statistic_viewer_data->hpaned_v),statistic_viewer_data->scroll_win_tree, TRUE, FALSE);
 343   gtk_paned_set_position(GTK_PANED(statistic_viewer_data->hpaned_v), 160);
 344
 345   statistic_viewer_data->scroll_win_text = gtk_scrolled_window_new (NULL, NULL);
 346   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_text),
 347          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 348
 349   statistic_viewer_data->text_v = gtk_text_view_new ();
 350
 351   gtk_text_view_set_editable(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 352   gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 353   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_text), statistic_viewer_data->text_v);
 354   gtk_paned_pack2(GTK_PANED(statistic_viewer_data->hpaned_v), statistic_viewer_data->scroll_win_text, TRUE, FALSE);
 355
 356   gtk_container_set_border_width(
 357       GTK_CONTAINER(statistic_viewer_data->hpaned_v), 1);
 358
 359   gtk_widget_show(statistic_viewer_data->scroll_win_tree);
 360   gtk_widget_show(statistic_viewer_data->scroll_win_text);
 361   gtk_widget_show(statistic_viewer_data->tree_v);
 362   gtk_widget_show(statistic_viewer_data->text_v);
 363   gtk_widget_show(statistic_viewer_data->hpaned_v);
 364
 365   g_object_set_data_full(
 366       G_OBJECT(guistatistic_get_widget(statistic_viewer_data)),
 367       "statistic_viewer_data",
 368       statistic_viewer_data,
 369       (GDestroyNotify)gui_statistic_destructor);
 370
 371   /* Add the object's information to the module's array */
 372   g_statistic_viewer_data_list = g_slist_append(
 373       g_statistic_viewer_data_list,
 374       statistic_viewer_data);
 375
 376   request_background_data(statistic_viewer_data);
 377
 378   return statistic_viewer_data;
 379 }
 380
 381 static void
 382 tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
 383 {
 384   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*)data;
 385   GtkTreeIter iter;
 386   GtkTreeModel *model = GTK_TREE_MODEL(statistic_viewer_data->store_m);
 387   gchar *event;
 388   GtkTextBuffer* buf;
 389   gchar * str;
 390   GtkTreePath * path;
 391   GtkTextIter   text_iter;
 392   LttvAttribute * stats;
 393
 394   if (gtk_tree_selection_get_selected (selection, &model, &iter))
 395     {
 396       gtk_tree_model_get (model, &iter, NAME_COLUMN, &event, -1);
 397
 398       path = gtk_tree_model_get_path(GTK_TREE_MODEL(model),&iter);
 399       str = gtk_tree_path_to_string (path);
 400       stats = (LttvAttribute*)g_hash_table_lookup (statistic_viewer_data->statistic_hash,str);
 401       g_free(str);
 402
 403       buf =  gtk_text_view_get_buffer((GtkTextView*)statistic_viewer_data->text_v);
 404       gtk_text_buffer_set_text(buf,"Statistic for  '", -1);
 405       gtk_text_buffer_get_end_iter(buf, &text_iter);
 406       gtk_text_buffer_insert(buf, &text_iter, event, strlen(event));
 407       gtk_text_buffer_get_end_iter(buf, &text_iter);
 408       gtk_text_buffer_insert(buf, &text_iter, "' :\n\n",5);
 409
 410       show_statistic(statistic_viewer_data, stats, buf);
 411
 412       g_free (event);
 413     }
 414 }
 415
 416 void statistic_destroy_hash_key(gpointer key)
 417 {
 418   g_free(key);
 419 }
 420
 421 #ifdef DEBUG
 422 #include <stdio.h>
 423 extern FILE *stdin;
 424 extern FILE *stdout;
 425 extern FILE *stderr;
 426 #endif //DEBUG
 427
 428 static const char *live_msg = "Statistics for traceset containing live traces are inaccurate";
 429
 430 void show_traceset_stats(StatisticViewerData * statistic_viewer_data)
 431 {
 432   Tab *tab = statistic_viewer_data->tab;
 433   int i, nb;
 434   LttvTraceset *ts;
 435   LttvTraceStats *tcs;
 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
 458   for(i = 0 ; i < nb ; i++) {
 459           if (LTTV_TRACESET_CONTEXT(tscs)->traces[i]->t->is_live) {
 460                   statistic_viewer_data->live_trace_count++;
 461           }
 462
 463   }
 464   if (statistic_viewer_data->live_trace_count) {
 465           LttvAttributeValue value;
 466           value = lttv_attribute_add(tscs->stats,
 467                                      g_quark_from_static_string("WARNING: Live traceset"),
 468                                      LTTV_STRING);
 469           /* TODO ybrosseau 2012-03-15: add cast to silent discard const
 470                                         warning... find a better way */
 471           *(value.v_string) = (char *)live_msg;
 472
 473   }
 474   g_hash_table_insert(statistic_viewer_data->statistic_hash,
 475           (gpointer)str, tscs->stats);
 476   show_tree(statistic_viewer_data, tscs->stats, &iter);
 477
 478   //show stats for all traces
 479   for(i = 0 ; i < nb ; i++) {
 480     tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
 481 #if 0 //FIXME
 482     desc = ltt_trace_system_description(tcs->parent.parent.t);
 483     LttTime start_time = ltt_trace_system_description_trace_start_time(desc);
 484     sprintf(trace_str, "Trace on system %s at time %lu.%09lu",
 485             ltt_trace_system_description_node_name(desc),
 486             start_time.tv_sec,
 487             start_time.tv_nsec);
 488 #endif //0
 489     sprintf(trace_str, "%s", g_quark_to_string(ltt_trace_name(tcs->parent.parent.t)));
 490     /* TODO ybrosseau 2011-01-12: Reenable stats for live trace */
 491     if (LTTV_TRACE_CONTEXT(tcs)->t->is_live) {
 492             strcat(trace_str, " [LIVE]");
 493             gtk_tree_store_append (store, &iter, NULL);
 494             gtk_tree_store_set (store, &iter,NAME_COLUMN,trace_str,-1);
 495
 496             path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 497             str = gtk_tree_path_to_string (path);
 498             g_hash_table_insert(statistic_viewer_data->statistic_hash,
 499                             (gpointer)str,0);
 500
 501     } else {
 502
 503             gtk_tree_store_append (store, &iter, NULL);
 504             gtk_tree_store_set (store, &iter,NAME_COLUMN,trace_str,-1);
 505             path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 506             str = gtk_tree_path_to_string (path);
 507             g_hash_table_insert(statistic_viewer_data->statistic_hash,
 508                             (gpointer)str,tcs->stats);
 509             show_tree(statistic_viewer_data, tcs->stats, &iter);
 510 #ifdef DEBUG
 511             lttv_attribute_write_xml(tcs->stats, stdout, 3, 4);
 512 #endif //DEBUG
 513     }
 514   }
 515 }
 516
 517 void show_tree(StatisticViewerData * statistic_viewer_data,
 518          LttvAttribute* stats,  GtkTreeIter* parent)
 519 {
 520   int i, nb;
 521   LttvAttribute *subtree;
 522   LttvAttributeName name;
 523   LttvAttributeValue value;
 524   LttvAttributeType type;
 525         gboolean is_named;
 526   gchar * str, dir_str[PATH_LENGTH];
 527   GtkTreePath * path;
 528   GtkTreeIter   iter;
 529   GtkTreeStore * store = statistic_viewer_data->store_m;
 530
 531   nb = lttv_attribute_get_number(stats);
 532   for(i = 0 ; i < nb ; i++) {
 533     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 534     switch(type) {
 535      case LTTV_GOBJECT:
 536         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 537           subtree = (LttvAttribute *)*(value.v_gobject);
 538           if(is_named)
 539             sprintf(dir_str, "%s", g_quark_to_string(name));
 540           else
 541             sprintf(dir_str, "%u", name);
 542           gtk_tree_store_append (store, &iter, parent);
 543           gtk_tree_store_set (store, &iter,NAME_COLUMN,dir_str,-1);
 544           path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 545           str = gtk_tree_path_to_string (path);
 546           g_hash_table_insert(statistic_viewer_data->statistic_hash,
 547             (gpointer)str, subtree);
 548           show_tree(statistic_viewer_data, subtree, &iter);
 549         }
 550         break;
 551       default:
 552   break;
 553     }
 554   }
 555 }
 556
 557 void show_statistic(StatisticViewerData * statistic_viewer_data,
 558         LttvAttribute* stats, GtkTextBuffer* buf)
 559 {
 560   int i, nb = 0, flag;
 561   LttvAttributeName name;
 562   LttvAttributeValue value;
 563   LttvAttributeType type;
 564         gboolean is_named;
 565   gchar type_name[PATH_LENGTH], type_value[PATH_LENGTH];
 566   GtkTextIter   text_iter;
 567
 568   flag = 0;
 569   if(stats) {
 570           nb = lttv_attribute_get_number(stats);
 571   }
 572   for(i = 0 ; i < nb ; i++) {
 573     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 574                 if(is_named)
 575             sprintf(type_name,"%s", g_quark_to_string(name));
 576                 else
 577             sprintf(type_name,"%u", name);
 578     type_value[0] = '\0';
 579     switch(type) {
 580       case LTTV_INT:
 581         sprintf(type_value, " :  %d\n", *value.v_int);
 582         break;
 583       case LTTV_UINT:
 584         sprintf(type_value, " :  %u\n", *value.v_uint);
 585         break;
 586       case LTTV_LONG:
 587         sprintf(type_value, " :  %ld\n", *value.v_long);
 588         break;
 589       case LTTV_ULONG:
 590         sprintf(type_value, " :  %lu\n", *value.v_ulong);
 591         break;
 592       case LTTV_FLOAT:
 593         sprintf(type_value, " :  %f\n", (double)*value.v_float);
 594         break;
 595       case LTTV_DOUBLE:
 596         sprintf(type_value, " :  %f\n", *value.v_double);
 597         break;
 598       case LTTV_TIME:
 599         sprintf(type_value, " :  %10lu.%09lu\n", value.v_time->tv_sec,
 600             value.v_time->tv_nsec);
 601         break;
 602       case LTTV_POINTER:
 603         sprintf(type_value, " :  POINTER\n");
 604         break;
 605       case LTTV_STRING:
 606         sprintf(type_value, " :  %s\n", *value.v_string);
 607         break;
 608       default:
 609         break;
 610     }
 611     if(strlen(type_value)){
 612       flag = 1;
 613       strcat(type_name,type_value);
 614       gtk_text_buffer_get_end_iter(buf, &text_iter);
 615       gtk_text_buffer_insert(buf, &text_iter, type_name, strlen(type_name));
 616     }
 617   }
 618
 619   if(flag == 0){
 620     sprintf(type_value, "No statistic information in this directory.\nCheck in subdirectories please.\n");
 621     gtk_text_buffer_get_end_iter(buf, &text_iter);
 622     gtk_text_buffer_insert(buf, &text_iter, type_value, strlen(type_value));
 623
 624   }
 625 }
 626
 627 gboolean statistic_traceset_changed(void * hook_data, void * call_data)
 628 {
 629   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 630
 631   request_background_data(statistic_viewer_data);
 632
 633   return FALSE;
 634 }
 635
 636 #if 0
 637 void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
 638            LttvTracesetContext * tsc)
 639 {
 640   gint i, j, nbi, nb_tracefile;
 641   LttTrace *trace;
 642   LttvTraceContext *tc;
 643   LttvTracefileContext *tfc;
 644   LttvTracesetSelector  * ts_s;
 645   LttvTraceSelector     * t_s;
 646   LttvTracefileSelector * tf_s;
 647   gboolean selected;
 648
 649   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 650               statistic_viewer_data->filter_key);
 651
 652   //if there are hooks for traceset, add them here
 653
 654   nbi = lttv_traceset_number(tsc->ts);
 655   for(i = 0 ; i < nbi ; i++) {
 656     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 657     selected = lttv_trace_selector_get_selected(t_s);
 658     if(!selected) continue;
 659     tc = tsc->traces[i];
 660     trace = tc->t;
 661     //if there are hooks for trace, add them here
 662
 663     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 664         ltt_trace_per_cpu_tracefile_number(trace);
 665
 666     for(j = 0 ; j < nb_tracefile ; j++) {
 667       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 668       selected = lttv_tracefile_selector_get_selected(tf_s);
 669       if(!selected) continue;
 670       tfc = tc->tracefiles[j];
 671
 672       //if there are hooks for tracefile, add them here
 673       //      lttv_tracefile_context_add_hooks(tfc, NULL,NULL,NULL,NULL,
 674       //               statistic_viewer_data->before_event_hooks,NULL);
 675     }
 676   }
 677
 678   lttv_stats_add_event_hooks(LTTV_TRACESET_STATS(tsc));
 679
 680 }
 681
 682 void statistic_remove_context_hooks(StatisticViewerData * statistic_viewer_data,
 683         LttvTracesetContext * tsc)
 684 {
 685   gint i, j, nbi, nb_tracefile;
 686   LttTrace *trace;
 687   LttvTraceContext *tc;
 688   LttvTracefileContext *tfc;
 689   LttvTracesetSelector  * ts_s;
 690   LttvTraceSelector     * t_s;
 691   LttvTracefileSelector * tf_s;
 692   gboolean selected;
 693
 694   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 695               statistic_viewer_data->filter_key);
 696
 697   //if there are hooks for traceset, remove them here
 698
 699   nbi = lttv_traceset_number(tsc->ts);
 700   for(i = 0 ; i < nbi ; i++) {
 701     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 702     selected = lttv_trace_selector_get_selected(t_s);
 703     if(!selected) continue;
 704     tc = tsc->traces[i];
 705     trace = tc->t;
 706     //if there are hooks for trace, remove them here
 707
 708     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 709         ltt_trace_per_cpu_tracefile_number(trace);
 710
 711     for(j = 0 ; j < nb_tracefile ; j++) {
 712       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 713       selected = lttv_tracefile_selector_get_selected(tf_s);
 714       if(!selected) continue;
 715       tfc = tc->tracefiles[j];
 716
 717       //if there are hooks for tracefile, remove them here
 718       //      lttv_tracefile_context_remove_hooks(tfc, NULL,NULL,NULL,NULL,
 719       //            statistic_viewer_data->before_event_hooks,NULL);
 720     }
 721   }
 722
 723   lttv_stats_remove_event_hooks(LTTV_TRACESET_STATS(tsc));
 724 }
 725 #endif //0
 726
 727 /**
 728  * plugin's init function
 729  *
 730  * This function initializes the Statistic Viewer functionnality through the
 731  * gtkTraceSet API.
 732  */
 733 static void init() {
 734
 735   lttvwindow_register_constructor("guistatistics",
 736                                   "/",
 737                                   "Insert Statistic Viewer",
 738                                   hGuiStatisticInsert_xpm,
 739                                   "Insert Statistic Viewer",
 740                                   h_gui_statistic);
 741 }
 742
 743 void statistic_destroy_walk(gpointer data, gpointer user_data)
 744 {
 745   StatisticViewerData *svd = (StatisticViewerData*)data;
 746
 747   g_debug("CFV.c : statistic_destroy_walk, %p", svd);
 748   /* May already have been done by GTK window closing */
 749   if(GTK_IS_WIDGET(guistatistic_get_widget(svd)))
 750     gtk_widget_destroy(guistatistic_get_widget(svd));
 751 }
 752
 753 /**
 754  * plugin's destroy function
 755  *
 756  * This function releases the memory reserved by the module and unregisters
 757  * everything that has been registered in the gtkTraceSet API.
 758  */
 759 static void destroy() {
 760
 761   g_slist_foreach(g_statistic_viewer_data_list, statistic_destroy_walk, NULL );
 762   g_slist_free(g_statistic_viewer_data_list);
 763
 764   lttvwindow_unregister_constructor(h_gui_statistic);
 765
 766 }
 767
 768
 769 LTTV_MODULE("guistatistics", "Statistics viewer", \
 770     "Graphical module to view statistics about processes, CPUs and systems", \
 771     init, destroy, "lttvwindow")
 772