lttng-xenomai/LinuxTraceToolkitViewer-0.8.61-xenoltt/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 /** Array containing instanced objects. Used when module is unloaded */
  50 static GSList *g_statistic_viewer_data_list = NULL ;
  51
  52 typedef struct _StatisticViewerData StatisticViewerData;
  53
  54 static void request_background_data(StatisticViewerData *svd);
  55 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd);
  56
  57 //! Statistic Viewer's constructor hook
  58 GtkWidget *h_gui_statistic(LttvPlugin *plugin);
  59 //! Statistic Viewer's constructor
  60 StatisticViewerData *gui_statistic(LttvPluginTab *ptab);
  61 //! Statistic Viewer's destructor
  62 void gui_statistic_destructor(StatisticViewerData *statistic_viewer_data);
  63
  64 static void tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data);
  65
  66 void statistic_destroy_hash_key(gpointer key);
  67 void statistic_destroy_hash_data(gpointer data);
  68
  69 void show_traceset_stats(StatisticViewerData * statistic_viewer_data);
  70 void show_tree(StatisticViewerData * statistic_viewer_data,
  71          LttvAttribute* stats,  GtkTreeIter* parent);
  72 void show_statistic(StatisticViewerData * statistic_viewer_data,
  73          LttvAttribute* stats, GtkTextBuffer* buf);
  74
  75
  76 gboolean statistic_traceset_changed(void * hook_data, void * call_data);
  77
  78 enum
  79 {
  80    NAME_COLUMN,
  81    N_COLUMNS
  82 };
  83
  84 struct _StatisticViewerData{
  85   Tab *tab;
  86   LttvPluginTab *ptab;
  87
  88   int                 size;
  89
  90   GtkWidget    * hpaned_v;
  91   GtkTreeStore * store_m;
  92   GtkWidget    * tree_v;
  93
  94   //scroll window containing Tree View
  95   GtkWidget * scroll_win_tree;
  96
  97   GtkWidget    * text_v;
  98   //scroll window containing Text View
  99   GtkWidget * scroll_win_text;
 100
 101   // Selection handler
 102   GtkTreeSelection *select_c;
 103   //hash
 104   GHashTable *statistic_hash;
 105 };
 106
 107
 108
 109
 110 /* Action to do when background computation completed.
 111  *
 112  * Eventually, will have to check that every requested traces are finished
 113  * before doing the redraw. It will save unnecessary processor usage.
 114  */
 115
 116 static gint background_ready(void *hook_data, void *call_data)
 117 {
 118   StatisticViewerData *svd = (StatisticViewerData *)hook_data;
 119   Tab *tab = svd->tab;
 120   LttvTrace *trace = (LttvTrace*)call_data;
 121
 122   g_debug("statistics viewer : background computation data ready.");
 123
 124   gtk_tree_store_clear (svd->store_m);
 125
 126   lttv_stats_sum_traceset(lttvwindow_get_traceset_stats(tab));
 127   show_traceset_stats(svd);
 128
 129   return 0;
 130 }
 131
 132 /* Request background computation. Verify if it is in progress or ready first.
 133  *
 134  * Right now, for all loaded traces.
 135  *
 136  * Later : must be only for each trace in the tab's traceset.
 137  */
 138 static void request_background_data(StatisticViewerData *svd)
 139 {
 140   gint num_traces = lttvwindowtraces_get_number();
 141   gint i;
 142   LttvTrace *trace;
 143
 144   LttvHooks *background_ready_hook =
 145     lttv_hooks_new();
 146   lttv_hooks_add(background_ready_hook, background_ready, svd,
 147       LTTV_PRIO_DEFAULT);
 148
 149   for(i=0;i<num_traces;i++) {
 150     trace = lttvwindowtraces_get_trace(i);
 151
 152     if(lttvwindowtraces_get_ready(g_quark_from_string("stats"),trace)==FALSE) {
 153
 154       if(lttvwindowtraces_get_in_progress(g_quark_from_string("stats"),
 155                                           trace) == FALSE) {
 156         /* We first remove requests that could have been done for the same
 157          * information. Happens when two viewers ask for it before servicing
 158          * starts.
 159          */
 160         if(!lttvwindowtraces_background_request_find(trace, "stats"))
 161           lttvwindowtraces_background_request_queue(
 162               main_window_get_widget(svd->tab), trace, "stats");
 163         lttvwindowtraces_background_notify_queue(svd,
 164                                                  trace,
 165                                                  ltt_time_infinite,
 166                                                  NULL,
 167                                                  background_ready_hook);
 168       } else { /* in progress */
 169
 170         lttvwindowtraces_background_notify_current(svd,
 171                                                    trace,
 172                                                    ltt_time_infinite,
 173                                                    NULL,
 174                                                    background_ready_hook);
 175
 176       }
 177     } else {
 178       /* ready */
 179       lttv_hooks_call(background_ready_hook, NULL);
 180     }
 181   }
 182   lttv_hooks_destroy(background_ready_hook);
 183 }
 184
 185
 186 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd)
 187 {
 188   return svd->hpaned_v;
 189 }
 190
 191
 192 void
 193 gui_statistic_destructor(StatisticViewerData *statistic_viewer_data)
 194 {
 195   Tab *tab = statistic_viewer_data->tab;
 196
 197   /* May already been done by GTK window closing */
 198   if(GTK_IS_WIDGET(guistatistic_get_widget(statistic_viewer_data))){
 199     g_info("widget still exists");
 200   }
 201   if(tab != NULL) {
 202     lttvwindow_unregister_traceset_notify(statistic_viewer_data->tab,
 203                                           statistic_traceset_changed,
 204                                           statistic_viewer_data);
 205   }
 206   lttvwindowtraces_background_notify_remove(statistic_viewer_data);
 207
 208   g_hash_table_destroy(statistic_viewer_data->statistic_hash);
 209   g_statistic_viewer_data_list =
 210     g_slist_remove(g_statistic_viewer_data_list, statistic_viewer_data);
 211   g_free(statistic_viewer_data);
 212 }
 213
 214
 215 /**
 216  * Statistic Viewer's constructor hook
 217  *
 218  * This constructor is given as a parameter to the menuitem and toolbar button
 219  * registration. It creates the list.
 220  * @param parent_window A pointer to the parent window.
 221  * @return The widget created.
 222  */
 223 GtkWidget *
 224 h_gui_statistic(LttvPlugin *plugin)
 225 {
 226   LttvPluginTab *ptab = LTTV_PLUGIN_TAB(plugin);
 227   StatisticViewerData* statistic_viewer_data = gui_statistic(ptab) ;
 228
 229   if(statistic_viewer_data)
 230     return guistatistic_get_widget(statistic_viewer_data);
 231   else return NULL;
 232
 233 }
 234
 235 #if 0
 236 gboolean statistic_insert_traceset_stats(void * stats)
 237 {
 238   int i, len;
 239   gpointer s;
 240
 241   len = statistic_traceset->len;
 242   for(i=0;i<len;i++){
 243     s = g_ptr_array_index(statistic_traceset, i);
 244     if(s == stats) break;
 245   }
 246   if(i==len){
 247     g_ptr_array_add(statistic_traceset, stats);
 248     return TRUE;
 249   }
 250   return FALSE;
 251 }
 252 #endif //0
 253
 254 /**
 255  * Statistic Viewer's constructor
 256  *
 257  * This constructor is used to create StatisticViewerData data structure.
 258  * @return The Statistic viewer data created.
 259  */
 260 StatisticViewerData *
 261 gui_statistic(LttvPluginTab *ptab)
 262 {
 263   GtkCellRenderer *renderer;
 264   GtkTreeViewColumn *column;
 265
 266   StatisticViewerData* statistic_viewer_data = g_new(StatisticViewerData,1);
 267   Tab *tab = ptab->tab;
 268   statistic_viewer_data->tab  = tab;
 269   statistic_viewer_data->ptab  = ptab;
 270
 271   lttvwindow_register_traceset_notify(statistic_viewer_data->tab,
 272                                       statistic_traceset_changed,
 273                                       statistic_viewer_data);
 274
 275   statistic_viewer_data->statistic_hash = g_hash_table_new_full(g_str_hash,
 276                                                   g_str_equal,
 277                                                   statistic_destroy_hash_key,
 278                                                   NULL);
 279
 280   statistic_viewer_data->hpaned_v  = gtk_hpaned_new();
 281   statistic_viewer_data->store_m = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING);
 282   statistic_viewer_data->tree_v  =
 283     gtk_tree_view_new_with_model (
 284         GTK_TREE_MODEL (statistic_viewer_data->store_m));
 285   g_object_unref (G_OBJECT (statistic_viewer_data->store_m));
 286
 287   // Setup the selection handler
 288   statistic_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (statistic_viewer_data->tree_v));
 289   gtk_tree_selection_set_mode (statistic_viewer_data->select_c, GTK_SELECTION_SINGLE);
 290   g_signal_connect (G_OBJECT (statistic_viewer_data->select_c), "changed",
 291         G_CALLBACK (tree_selection_changed_cb),
 292         statistic_viewer_data);
 293
 294   renderer = gtk_cell_renderer_text_new ();
 295   column = gtk_tree_view_column_new_with_attributes ("Statistic Name",
 296                  renderer,
 297                  "text", NAME_COLUMN,
 298                  NULL);
 299   gtk_tree_view_column_set_alignment (column, 0.0);
 300   //  gtk_tree_view_column_set_fixed_width (column, 45);
 301   gtk_tree_view_append_column (GTK_TREE_VIEW (statistic_viewer_data->tree_v), column);
 302
 303
 304   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (statistic_viewer_data->tree_v), FALSE);
 305
 306   statistic_viewer_data->scroll_win_tree = gtk_scrolled_window_new (NULL, NULL);
 307   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_tree),
 308          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 309
 310   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_tree), statistic_viewer_data->tree_v);
 311   gtk_paned_pack1(GTK_PANED(statistic_viewer_data->hpaned_v),statistic_viewer_data->scroll_win_tree, TRUE, FALSE);
 312   gtk_paned_set_position(GTK_PANED(statistic_viewer_data->hpaned_v), 160);
 313
 314   statistic_viewer_data->scroll_win_text = gtk_scrolled_window_new (NULL, NULL);
 315   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_text),
 316          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 317
 318   statistic_viewer_data->text_v = gtk_text_view_new ();
 319
 320   gtk_text_view_set_editable(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 321   gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 322   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_text), statistic_viewer_data->text_v);
 323   gtk_paned_pack2(GTK_PANED(statistic_viewer_data->hpaned_v), statistic_viewer_data->scroll_win_text, TRUE, FALSE);
 324
 325   gtk_container_set_border_width(
 326       GTK_CONTAINER(statistic_viewer_data->hpaned_v), 1);
 327
 328   gtk_widget_show(statistic_viewer_data->scroll_win_tree);
 329   gtk_widget_show(statistic_viewer_data->scroll_win_text);
 330   gtk_widget_show(statistic_viewer_data->tree_v);
 331   gtk_widget_show(statistic_viewer_data->text_v);
 332   gtk_widget_show(statistic_viewer_data->hpaned_v);
 333
 334   g_object_set_data_full(
 335       G_OBJECT(guistatistic_get_widget(statistic_viewer_data)),
 336       "statistic_viewer_data",
 337       statistic_viewer_data,
 338       (GDestroyNotify)gui_statistic_destructor);
 339
 340   /* Add the object's information to the module's array */
 341   g_statistic_viewer_data_list = g_slist_append(
 342       g_statistic_viewer_data_list,
 343       statistic_viewer_data);
 344
 345   request_background_data(statistic_viewer_data);
 346
 347   return statistic_viewer_data;
 348 }
 349
 350 static void
 351 tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
 352 {
 353   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*)data;
 354   GtkTreeIter iter;
 355   GtkTreeModel *model = GTK_TREE_MODEL(statistic_viewer_data->store_m);
 356   gchar *event;
 357   GtkTextBuffer* buf;
 358   gchar * str;
 359   GtkTreePath * path;
 360   GtkTextIter   text_iter;
 361   LttvAttribute * stats;
 362
 363   if (gtk_tree_selection_get_selected (selection, &model, &iter))
 364     {
 365       gtk_tree_model_get (model, &iter, NAME_COLUMN, &event, -1);
 366
 367       path = gtk_tree_model_get_path(GTK_TREE_MODEL(model),&iter);
 368       str = gtk_tree_path_to_string (path);
 369       stats = (LttvAttribute*)g_hash_table_lookup (statistic_viewer_data->statistic_hash,str);
 370       g_free(str);
 371
 372       buf =  gtk_text_view_get_buffer((GtkTextView*)statistic_viewer_data->text_v);
 373       gtk_text_buffer_set_text(buf,"Statistic for  '", -1);
 374       gtk_text_buffer_get_end_iter(buf, &text_iter);
 375       gtk_text_buffer_insert(buf, &text_iter, event, strlen(event));
 376       gtk_text_buffer_get_end_iter(buf, &text_iter);
 377       gtk_text_buffer_insert(buf, &text_iter, "' :\n\n",5);
 378
 379       show_statistic(statistic_viewer_data, stats, buf);
 380
 381       g_free (event);
 382     }
 383 }
 384
 385 void statistic_destroy_hash_key(gpointer key)
 386 {
 387   g_free(key);
 388 }
 389
 390 #ifdef DEBUG
 391 #include <stdio.h>
 392 extern FILE *stdin;
 393 extern FILE *stdout;
 394 extern FILE *stderr;
 395 #endif //DEBUG
 396
 397 void show_traceset_stats(StatisticViewerData * statistic_viewer_data)
 398 {
 399   Tab *tab = statistic_viewer_data->tab;
 400   int i, nb;
 401   LttvTraceset *ts;
 402   LttvTraceStats *tcs;
 403   LttSystemDescription *desc;
 404   LttvTracesetStats * tscs = lttvwindow_get_traceset_stats(tab);
 405   gchar * str, trace_str[PATH_LENGTH];
 406   GtkTreePath * path;
 407   GtkTreeIter   iter;
 408   GtkTreeStore * store = statistic_viewer_data->store_m;
 409
 410   if(tscs->stats == NULL) return;
 411 #ifdef DEBUG
 412   lttv_attribute_write_xml(tscs->stats, stdout, 1, 4);
 413 #endif //DEBUG
 414
 415   ts = tscs->parent.parent.ts;
 416   nb = lttv_traceset_number(ts);
 417   if(nb == 0)return;
 418
 419   gtk_tree_store_append (store, &iter, NULL);
 420   gtk_tree_store_set (store, &iter,
 421           NAME_COLUMN, "Traceset statistics",
 422           -1);
 423   path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 424   str = gtk_tree_path_to_string (path);
 425   g_hash_table_insert(statistic_viewer_data->statistic_hash,
 426           (gpointer)str, tscs->stats);
 427   show_tree(statistic_viewer_data, tscs->stats, &iter);
 428
 429   //show stats for all traces
 430   for(i = 0 ; i < nb ; i++) {
 431     tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
 432 #if 0 //FIXME
 433     desc = ltt_trace_system_description(tcs->parent.parent.t);
 434     LttTime start_time = ltt_trace_system_description_trace_start_time(desc);
 435     sprintf(trace_str, "Trace on system %s at time %lu.%09lu",
 436             ltt_trace_system_description_node_name(desc),
 437             start_time.tv_sec,
 438             start_time.tv_nsec);
 439 #endif //0
 440     sprintf(trace_str, g_quark_to_string(ltt_trace_name(tcs->parent.parent.t)));
 441     gtk_tree_store_append (store, &iter, NULL);
 442     gtk_tree_store_set (store, &iter,NAME_COLUMN,trace_str,-1);
 443     path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 444     str = gtk_tree_path_to_string (path);
 445     g_hash_table_insert(statistic_viewer_data->statistic_hash,
 446       (gpointer)str,tcs->stats);
 447     show_tree(statistic_viewer_data, tcs->stats, &iter);
 448 #ifdef DEBUG
 449     lttv_attribute_write_xml(tcs->stats, stdout, 3, 4);
 450 #endif //DEBUG
 451   }
 452 }
 453
 454 void show_tree(StatisticViewerData * statistic_viewer_data,
 455          LttvAttribute* stats,  GtkTreeIter* parent)
 456 {
 457   int i, nb;
 458   LttvAttribute *subtree;
 459   LttvAttributeName name;
 460   LttvAttributeValue value;
 461   LttvAttributeType type;
 462         gboolean is_named;
 463   gchar * str, dir_str[PATH_LENGTH];
 464   GtkTreePath * path;
 465   GtkTreeIter   iter;
 466   GtkTreeStore * store = statistic_viewer_data->store_m;
 467
 468   nb = lttv_attribute_get_number(stats);
 469   for(i = 0 ; i < nb ; i++) {
 470     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 471     switch(type) {
 472      case LTTV_GOBJECT:
 473         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 474           subtree = (LttvAttribute *)*(value.v_gobject);
 475           if(is_named)
 476             sprintf(dir_str, "%s", g_quark_to_string(name));
 477           else
 478             sprintf(dir_str, "%u", name);
 479           gtk_tree_store_append (store, &iter, parent);
 480           gtk_tree_store_set (store, &iter,NAME_COLUMN,dir_str,-1);
 481           path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 482           str = gtk_tree_path_to_string (path);
 483           g_hash_table_insert(statistic_viewer_data->statistic_hash,
 484             (gpointer)str, subtree);
 485           show_tree(statistic_viewer_data, subtree, &iter);
 486         }
 487         break;
 488       default:
 489   break;
 490     }
 491   }
 492 }
 493
 494 void show_statistic(StatisticViewerData * statistic_viewer_data,
 495         LttvAttribute* stats, GtkTextBuffer* buf)
 496 {
 497   int i, nb , flag;
 498   LttvAttributeName name;
 499   LttvAttributeValue value;
 500   LttvAttributeType type;
 501         gboolean is_named;
 502   gchar type_name[PATH_LENGTH], type_value[PATH_LENGTH];
 503   GtkTextIter   text_iter;
 504
 505   flag = 0;
 506   nb = lttv_attribute_get_number(stats);
 507   for(i = 0 ; i < nb ; i++) {
 508     type = lttv_attribute_get(stats, i, &name, &value, &is_named);
 509                 if(is_named)
 510             sprintf(type_name,"%s", g_quark_to_string(name));
 511                 else
 512             sprintf(type_name,"%u", name);
 513     type_value[0] = '\0';
 514     switch(type) {
 515       case LTTV_INT:
 516         sprintf(type_value, " :  %d\n", *value.v_int);
 517         break;
 518       case LTTV_UINT:
 519         sprintf(type_value, " :  %u\n", *value.v_uint);
 520         break;
 521       case LTTV_LONG:
 522         sprintf(type_value, " :  %ld\n", *value.v_long);
 523         break;
 524       case LTTV_ULONG:
 525         sprintf(type_value, " :  %lu\n", *value.v_ulong);
 526         break;
 527       case LTTV_FLOAT:
 528         sprintf(type_value, " :  %f\n", (double)*value.v_float);
 529         break;
 530       case LTTV_DOUBLE:
 531         sprintf(type_value, " :  %f\n", *value.v_double);
 532         break;
 533       case LTTV_TIME:
 534         sprintf(type_value, " :  %10lu.%09lu\n", value.v_time->tv_sec,
 535             value.v_time->tv_nsec);
 536         break;
 537       case LTTV_POINTER:
 538         sprintf(type_value, " :  POINTER\n");
 539         break;
 540       case LTTV_STRING:
 541         sprintf(type_value, " :  %s\n", *value.v_string);
 542         break;
 543       default:
 544         break;
 545     }
 546     if(strlen(type_value)){
 547       flag = 1;
 548       strcat(type_name,type_value);
 549       gtk_text_buffer_get_end_iter(buf, &text_iter);
 550       gtk_text_buffer_insert(buf, &text_iter, type_name, strlen(type_name));
 551     }
 552   }
 553
 554   if(flag == 0){
 555     sprintf(type_value, "No statistic information in this directory.\nCheck in subdirectories please.\n");
 556     gtk_text_buffer_get_end_iter(buf, &text_iter);
 557     gtk_text_buffer_insert(buf, &text_iter, type_value, strlen(type_value));
 558
 559   }
 560 }
 561
 562 gboolean statistic_traceset_changed(void * hook_data, void * call_data)
 563 {
 564   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 565
 566   request_background_data(statistic_viewer_data);
 567
 568   return FALSE;
 569 }
 570
 571 #if 0
 572 void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
 573            LttvTracesetContext * tsc)
 574 {
 575   gint i, j, nbi, nb_tracefile;
 576   LttTrace *trace;
 577   LttvTraceContext *tc;
 578   LttvTracefileContext *tfc;
 579   LttvTracesetSelector  * ts_s;
 580   LttvTraceSelector     * t_s;
 581   LttvTracefileSelector * tf_s;
 582   gboolean selected;
 583
 584   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 585               statistic_viewer_data->filter_key);
 586
 587   //if there are hooks for traceset, add them here
 588
 589   nbi = lttv_traceset_number(tsc->ts);
 590   for(i = 0 ; i < nbi ; i++) {
 591     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 592     selected = lttv_trace_selector_get_selected(t_s);
 593     if(!selected) continue;
 594     tc = tsc->traces[i];
 595     trace = tc->t;
 596     //if there are hooks for trace, add them here
 597
 598     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 599         ltt_trace_per_cpu_tracefile_number(trace);
 600
 601     for(j = 0 ; j < nb_tracefile ; j++) {
 602       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 603       selected = lttv_tracefile_selector_get_selected(tf_s);
 604       if(!selected) continue;
 605       tfc = tc->tracefiles[j];
 606
 607       //if there are hooks for tracefile, add them here
 608       //      lttv_tracefile_context_add_hooks(tfc, NULL,NULL,NULL,NULL,
 609       //               statistic_viewer_data->before_event_hooks,NULL);
 610     }
 611   }
 612
 613   lttv_stats_add_event_hooks(LTTV_TRACESET_STATS(tsc));
 614
 615 }
 616
 617 void statistic_remove_context_hooks(StatisticViewerData * statistic_viewer_data,
 618         LttvTracesetContext * tsc)
 619 {
 620   gint i, j, nbi, nb_tracefile;
 621   LttTrace *trace;
 622   LttvTraceContext *tc;
 623   LttvTracefileContext *tfc;
 624   LttvTracesetSelector  * ts_s;
 625   LttvTraceSelector     * t_s;
 626   LttvTracefileSelector * tf_s;
 627   gboolean selected;
 628
 629   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 630               statistic_viewer_data->filter_key);
 631
 632   //if there are hooks for traceset, remove them here
 633
 634   nbi = lttv_traceset_number(tsc->ts);
 635   for(i = 0 ; i < nbi ; i++) {
 636     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 637     selected = lttv_trace_selector_get_selected(t_s);
 638     if(!selected) continue;
 639     tc = tsc->traces[i];
 640     trace = tc->t;
 641     //if there are hooks for trace, remove them here
 642
 643     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 644         ltt_trace_per_cpu_tracefile_number(trace);
 645
 646     for(j = 0 ; j < nb_tracefile ; j++) {
 647       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 648       selected = lttv_tracefile_selector_get_selected(tf_s);
 649       if(!selected) continue;
 650       tfc = tc->tracefiles[j];
 651
 652       //if there are hooks for tracefile, remove them here
 653       //      lttv_tracefile_context_remove_hooks(tfc, NULL,NULL,NULL,NULL,
 654       //            statistic_viewer_data->before_event_hooks,NULL);
 655     }
 656   }
 657
 658   lttv_stats_remove_event_hooks(LTTV_TRACESET_STATS(tsc));
 659 }
 660 #endif //0
 661
 662 /**
 663  * plugin's init function
 664  *
 665  * This function initializes the Statistic Viewer functionnality through the
 666  * gtkTraceSet API.
 667  */
 668 static void init() {
 669
 670   lttvwindow_register_constructor("guistatistics",
 671                                   "/",
 672                                   "Insert Statistic Viewer",
 673                                   hGuiStatisticInsert_xpm,
 674                                   "Insert Statistic Viewer",
 675                                   h_gui_statistic);
 676 }
 677
 678 void statistic_destroy_walk(gpointer data, gpointer user_data)
 679 {
 680   StatisticViewerData *svd = (StatisticViewerData*)data;
 681
 682   g_debug("CFV.c : statistic_destroy_walk, %p", svd);
 683   /* May already have been done by GTK window closing */
 684   if(GTK_IS_WIDGET(guistatistic_get_widget(svd)))
 685     gtk_widget_destroy(guistatistic_get_widget(svd));
 686 }
 687
 688 /**
 689  * plugin's destroy function
 690  *
 691  * This function releases the memory reserved by the module and unregisters
 692  * everything that has been registered in the gtkTraceSet API.
 693  */
 694 static void destroy() {
 695
 696   g_slist_foreach(g_statistic_viewer_data_list, statistic_destroy_walk, NULL );
 697   g_slist_free(g_statistic_viewer_data_list);
 698
 699   lttvwindow_unregister_constructor(h_gui_statistic);
 700
 701 }
 702
 703
 704 LTTV_MODULE("guistatistics", "Statistics viewer", \
 705     "Graphical module to view statistics about processes, CPUs and systems", \
 706     init, destroy, "lttvwindow")
 707