ltt/branches/poly/lttv/modules/gui/statistics/statistics.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 XangXiu Yang
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 #include <glib.h>
  20 #include <string.h>
  21 #include <gtk/gtk.h>
  22 #include <gdk/gdk.h>
  23
  24 #include <ltt/ltt.h>
  25 #include <ltt/event.h>
  26 #include <ltt/type.h>
  27 #include <ltt/trace.h>
  28
  29 #include <lttv/lttv.h>
  30 #include <lttv/module.h>
  31 #include <lttv/tracecontext.h>
  32 #include <lttv/hook.h>
  33 #include <lttv/state.h>
  34 #include <lttv/stats.h>
  35
  36 #include <lttvwindow/lttvwindow.h>
  37 #include <lttvwindow/lttvwindowtraces.h>
  38
  39 #include "hGuiStatisticInsert.xpm"
  40
  41 #define PATH_LENGTH        256  /* CHECK */
  42 #define MAX_NUMBER_EVENT "max_number_event"
  43
  44 //???????????????6
  45 //static GPtrArray  * statistic_traceset;
  46
  47 /** Array containing instanced objects. Used when module is unloaded */
  48 static GSList *g_statistic_viewer_data_list = NULL ;
  49
  50 typedef struct _StatisticViewerData StatisticViewerData;
  51
  52 static void request_background_data(StatisticViewerData *svd);
  53 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd);
  54
  55 //! Statistic Viewer's constructor hook
  56 GtkWidget *h_gui_statistic(Tab *tab);
  57 //! Statistic Viewer's constructor
  58 StatisticViewerData *gui_statistic(Tab *tab);
  59 //! Statistic Viewer's destructor
  60 void gui_statistic_destructor(StatisticViewerData *statistic_viewer_data);
  61
  62 static void tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data);
  63
  64 void statistic_destroy_hash_key(gpointer key);
  65 void statistic_destroy_hash_data(gpointer data);
  66
  67 void show_traceset_stats(StatisticViewerData * statistic_viewer_data);
  68 void show_tree(StatisticViewerData * statistic_viewer_data,
  69          LttvAttribute* stats,  GtkTreeIter* parent);
  70 void show_statistic(StatisticViewerData * statistic_viewer_data,
  71          LttvAttribute* stats, GtkTextBuffer* buf);
  72
  73
  74 gboolean statistic_traceset_changed(void * hook_data, void * call_data);
  75 //void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
  76 //           LttvTracesetContext * tsc);
  77 //void statistic_remove_context_hooks(StatisticViewerData *statistic_viewer_data,
  78 //           LttvTracesetContext * tsc);
  79
  80 //gboolean statistic_insert_traceset_stats(void * stats);
  81
  82 enum
  83 {
  84    NAME_COLUMN,
  85    N_COLUMNS
  86 };
  87
  88 struct _StatisticViewerData{
  89   Tab *tab;
  90   //LttvTracesetStats * stats;
  91   int                 size;
  92
  93   //gboolean     shown;       //indicate if the statistic is shown or not
  94   //char *       filter_key;
  95
  96   GtkWidget    * hpaned_v;
  97   GtkTreeStore * store_m;
  98   GtkWidget    * tree_v;
  99
 100   //scroll window containing Tree View
 101   GtkWidget * scroll_win_tree;
 102
 103   GtkWidget    * text_v;
 104   //scroll window containing Text View
 105   GtkWidget * scroll_win_text;
 106
 107   // Selection handler
 108   GtkTreeSelection *select_c;
 109
 110   //hash
 111   GHashTable *statistic_hash;
 112 };
 113
 114
 115
 116
 117 /* Action to do when background computation completed.
 118  *
 119  * Eventually, will have to check that every requested traces are finished
 120  * before doing the redraw. It will save unnecessary processor usage.
 121  */
 122
 123 static gint background_ready(void *hook_data, void *call_data)
 124 {
 125   StatisticViewerData *svd = (StatisticViewerData *)hook_data;
 126   Tab *tab = svd->tab;
 127   LttvTrace *trace = (LttvTrace*)call_data;
 128
 129   g_debug("statistics viewer : background computation data ready.");
 130
 131   gtk_tree_store_clear (svd->store_m);
 132
 133   lttv_stats_sum_traceset(lttvwindow_get_traceset_stats(tab));
 134   show_traceset_stats(svd);
 135
 136   return 0;
 137 }
 138
 139 /* Request background computation. Verify if it is in progress or ready first.
 140  *
 141  * Right now, for all loaded traces.
 142  *
 143  * Later : must be only for each trace in the tab's traceset.
 144  */
 145 static void request_background_data(StatisticViewerData *svd)
 146 {
 147   gint num_traces = lttvwindowtraces_get_number();
 148   gint i;
 149   LttvTrace *trace;
 150
 151   LttvHooks *background_ready_hook =
 152     lttv_hooks_new();
 153   lttv_hooks_add(background_ready_hook, background_ready, svd,
 154       LTTV_PRIO_DEFAULT);
 155
 156   for(i=0;i<num_traces;i++) {
 157     trace = lttvwindowtraces_get_trace(i);
 158
 159     if(lttvwindowtraces_get_ready(g_quark_from_string("stats"),trace)==FALSE) {
 160
 161       if(lttvwindowtraces_get_in_progress(g_quark_from_string("stats"),
 162                                           trace) == FALSE) {
 163         /* We first remove requests that could have been done for the same
 164          * information. Happens when two viewers ask for it before servicing
 165          * starts.
 166          */
 167         lttvwindowtraces_background_request_remove(trace, "stats");
 168         lttvwindowtraces_background_request_queue(trace,
 169                                                   "stats");
 170         lttvwindowtraces_background_notify_queue(svd,
 171                                                  trace,
 172                                                  ltt_time_infinite,
 173                                                  NULL,
 174                                                  background_ready_hook);
 175       } else { /* in progress */
 176
 177         lttvwindowtraces_background_notify_current(svd,
 178                                                    trace,
 179                                                    ltt_time_infinite,
 180                                                    NULL,
 181                                                    background_ready_hook);
 182
 183       }
 184     }
 185   }
 186   lttv_hooks_destroy(background_ready_hook);
 187 }
 188
 189
 190 GtkWidget *guistatistic_get_widget(StatisticViewerData *svd)
 191 {
 192   return svd->hpaned_v;
 193 }
 194
 195
 196 void
 197 gui_statistic_destructor(StatisticViewerData *statistic_viewer_data)
 198 {
 199   Tab *tab = statistic_viewer_data->tab;
 200
 201   /* May already been done by GTK window closing */
 202   if(GTK_IS_WIDGET(guistatistic_get_widget(statistic_viewer_data))){
 203     g_info("widget still exists");
 204   }
 205   if(tab != NULL) {
 206     lttvwindow_unregister_traceset_notify(statistic_viewer_data->tab,
 207                                           statistic_traceset_changed,
 208                                           statistic_viewer_data);
 209   }
 210   lttvwindowtraces_background_notify_remove(statistic_viewer_data);
 211
 212   g_hash_table_destroy(statistic_viewer_data->statistic_hash);
 213   g_statistic_viewer_data_list =
 214     g_slist_remove(g_statistic_viewer_data_list, statistic_viewer_data);
 215   g_free(statistic_viewer_data);
 216 }
 217
 218
 219 /**
 220  * Statistic Viewer's constructor hook
 221  *
 222  * This constructor is given as a parameter to the menuitem and toolbar button
 223  * registration. It creates the list.
 224  * @param parent_window A pointer to the parent window.
 225  * @return The widget created.
 226  */
 227 GtkWidget *
 228 h_gui_statistic(Tab *tab)
 229 {
 230   StatisticViewerData* statistic_viewer_data = gui_statistic(tab) ;
 231
 232   if(statistic_viewer_data)
 233     return guistatistic_get_widget(statistic_viewer_data);
 234   else return NULL;
 235
 236 }
 237
 238 #if 0
 239 gboolean statistic_insert_traceset_stats(void * stats)
 240 {
 241   int i, len;
 242   gpointer s;
 243
 244   len = statistic_traceset->len;
 245   for(i=0;i<len;i++){
 246     s = g_ptr_array_index(statistic_traceset, i);
 247     if(s == stats) break;
 248   }
 249   if(i==len){
 250     g_ptr_array_add(statistic_traceset, stats);
 251     return TRUE;
 252   }
 253   return FALSE;
 254 }
 255 #endif //0
 256
 257 /**
 258  * Statistic Viewer's constructor
 259  *
 260  * This constructor is used to create StatisticViewerData data structure.
 261  * @return The Statistic viewer data created.
 262  */
 263 StatisticViewerData *
 264 gui_statistic(Tab *tab)
 265 {
 266   GtkCellRenderer *renderer;
 267   GtkTreeViewColumn *column;
 268
 269   StatisticViewerData* statistic_viewer_data = g_new(StatisticViewerData,1);
 270
 271   statistic_viewer_data->tab  = tab;
 272  // statistic_viewer_data->stats  =
 273  //         lttvwindow_get_traceset_stats(statistic_viewer_data->tab);
 274  // statistic_viewer_data->calculate_stats =
 275  //   statistic_insert_traceset_stats((void *)statistic_viewer_data->stats);
 276
 277   lttvwindow_register_traceset_notify(statistic_viewer_data->tab,
 278                                       statistic_traceset_changed,
 279                                       statistic_viewer_data);
 280   request_background_data(statistic_viewer_data);
 281
 282   statistic_viewer_data->statistic_hash = g_hash_table_new_full(g_str_hash,
 283                                                   g_str_equal,
 284                                                   statistic_destroy_hash_key,
 285                                                   NULL);
 286
 287   statistic_viewer_data->hpaned_v  = gtk_hpaned_new();
 288   statistic_viewer_data->store_m = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING);
 289   statistic_viewer_data->tree_v  =
 290     gtk_tree_view_new_with_model (
 291         GTK_TREE_MODEL (statistic_viewer_data->store_m));
 292   g_object_unref (G_OBJECT (statistic_viewer_data->store_m));
 293
 294   // Setup the selection handler
 295   statistic_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (statistic_viewer_data->tree_v));
 296   gtk_tree_selection_set_mode (statistic_viewer_data->select_c, GTK_SELECTION_SINGLE);
 297   g_signal_connect (G_OBJECT (statistic_viewer_data->select_c), "changed",
 298         G_CALLBACK (tree_selection_changed_cb),
 299         statistic_viewer_data);
 300
 301   renderer = gtk_cell_renderer_text_new ();
 302   column = gtk_tree_view_column_new_with_attributes ("Statistic Name",
 303                  renderer,
 304                  "text", NAME_COLUMN,
 305                  NULL);
 306   gtk_tree_view_column_set_alignment (column, 0.0);
 307   //  gtk_tree_view_column_set_fixed_width (column, 45);
 308   gtk_tree_view_append_column (GTK_TREE_VIEW (statistic_viewer_data->tree_v), column);
 309
 310
 311   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (statistic_viewer_data->tree_v), FALSE);
 312
 313   statistic_viewer_data->scroll_win_tree = gtk_scrolled_window_new (NULL, NULL);
 314   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_tree),
 315          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 316
 317   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_tree), statistic_viewer_data->tree_v);
 318   gtk_paned_pack1(GTK_PANED(statistic_viewer_data->hpaned_v),statistic_viewer_data->scroll_win_tree, TRUE, FALSE);
 319   gtk_paned_set_position(GTK_PANED(statistic_viewer_data->hpaned_v), 160);
 320
 321   statistic_viewer_data->scroll_win_text = gtk_scrolled_window_new (NULL, NULL);
 322   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_text),
 323          GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
 324
 325   statistic_viewer_data->text_v = gtk_text_view_new ();
 326
 327   gtk_text_view_set_editable(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 328   gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE);
 329   gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_text), statistic_viewer_data->text_v);
 330   gtk_paned_pack2(GTK_PANED(statistic_viewer_data->hpaned_v), statistic_viewer_data->scroll_win_text, TRUE, FALSE);
 331
 332   gtk_widget_show(statistic_viewer_data->scroll_win_tree);
 333   gtk_widget_show(statistic_viewer_data->scroll_win_text);
 334   gtk_widget_show(statistic_viewer_data->tree_v);
 335   gtk_widget_show(statistic_viewer_data->text_v);
 336   gtk_widget_show(statistic_viewer_data->hpaned_v);
 337
 338   g_object_set_data_full(
 339       G_OBJECT(guistatistic_get_widget(statistic_viewer_data)),
 340       "statistic_viewer_data",
 341       statistic_viewer_data,
 342       (GDestroyNotify)gui_statistic_destructor);
 343
 344   /* Add the object's information to the module's array */
 345   g_statistic_viewer_data_list = g_slist_append(
 346       g_statistic_viewer_data_list,
 347       statistic_viewer_data);
 348
 349   return statistic_viewer_data;
 350 }
 351
 352 static void
 353 tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
 354 {
 355   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*)data;
 356   GtkTreeIter iter;
 357   GtkTreeModel *model = GTK_TREE_MODEL(statistic_viewer_data->store_m);
 358   gchar *event;
 359   GtkTextBuffer* buf;
 360   gchar * str;
 361   GtkTreePath * path;
 362   GtkTextIter   text_iter;
 363   LttvAttribute * stats;
 364
 365   if (gtk_tree_selection_get_selected (selection, &model, &iter))
 366     {
 367       gtk_tree_model_get (model, &iter, NAME_COLUMN, &event, -1);
 368
 369       path = gtk_tree_model_get_path(GTK_TREE_MODEL(model),&iter);
 370       str = gtk_tree_path_to_string (path);
 371       stats = (LttvAttribute*)g_hash_table_lookup (statistic_viewer_data->statistic_hash,str);
 372       g_free(str);
 373
 374       buf =  gtk_text_view_get_buffer((GtkTextView*)statistic_viewer_data->text_v);
 375       gtk_text_buffer_set_text(buf,"Statistic for  '", -1);
 376       gtk_text_buffer_get_end_iter(buf, &text_iter);
 377       gtk_text_buffer_insert(buf, &text_iter, event, strlen(event));
 378       gtk_text_buffer_get_end_iter(buf, &text_iter);
 379       gtk_text_buffer_insert(buf, &text_iter, "' :\n\n",5);
 380
 381       show_statistic(statistic_viewer_data, stats, buf);
 382
 383       g_free (event);
 384     }
 385 }
 386
 387 void statistic_destroy_hash_key(gpointer key)
 388 {
 389   g_free(key);
 390 }
 391
 392 #ifdef DEBUG
 393 #include <stdio.h>
 394 extern FILE *stdin;
 395 extern FILE *stdout;
 396 extern FILE *stderr;
 397 #endif //DEBUG
 398
 399 void show_traceset_stats(StatisticViewerData * statistic_viewer_data)
 400 {
 401   Tab *tab = statistic_viewer_data->tab;
 402   int i, nb;
 403   LttvTraceset *ts;
 404   LttvTraceStats *tcs;
 405   LttSystemDescription *desc;
 406   LttvTracesetStats * tscs = lttvwindow_get_traceset_stats(tab);
 407   gchar * str, trace_str[PATH_LENGTH];
 408   GtkTreePath * path;
 409   GtkTreeIter   iter;
 410   GtkTreeStore * store = statistic_viewer_data->store_m;
 411
 412   if(tscs->stats == NULL) return;
 413 #ifdef DEBUG
 414   lttv_attribute_write_xml(tscs->stats, stdout, 1, 4);
 415 #endif //DEBUG
 416
 417   ts = tscs->parent.parent.ts;
 418   nb = lttv_traceset_number(ts);
 419   if(nb == 0)return;
 420
 421   gtk_tree_store_append (store, &iter, NULL);
 422   gtk_tree_store_set (store, &iter,
 423           NAME_COLUMN, "Traceset statistics",
 424           -1);
 425   path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 426   str = gtk_tree_path_to_string (path);
 427   g_hash_table_insert(statistic_viewer_data->statistic_hash,
 428           (gpointer)str, tscs->stats);
 429   show_tree(statistic_viewer_data, tscs->stats, &iter);
 430
 431   //show stats for all traces
 432   for(i = 0 ; i < nb ; i++) {
 433     tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
 434     desc = ltt_trace_system_description(tcs->parent.parent.t);
 435     LttTime start_time = ltt_trace_system_description_trace_start_time(desc);
 436     sprintf(trace_str, "Trace on system %s at time %lu.%09lu",
 437             ltt_trace_system_description_node_name(desc),
 438             start_time.tv_sec,
 439             start_time.tv_nsec);
 440
 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   gchar * str, dir_str[PATH_LENGTH];
 463   GtkTreePath * path;
 464   GtkTreeIter   iter;
 465   GtkTreeStore * store = statistic_viewer_data->store_m;
 466
 467   nb = lttv_attribute_get_number(stats);
 468   for(i = 0 ; i < nb ; i++) {
 469     type = lttv_attribute_get(stats, i, &name, &value);
 470     switch(type) {
 471      case LTTV_GOBJECT:
 472         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 473     sprintf(dir_str, "%s", g_quark_to_string(name));
 474           subtree = (LttvAttribute *)*(value.v_gobject);
 475     gtk_tree_store_append (store, &iter, parent);
 476     gtk_tree_store_set (store, &iter,NAME_COLUMN,dir_str,-1);
 477     path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
 478     str = gtk_tree_path_to_string (path);
 479     g_hash_table_insert(statistic_viewer_data->statistic_hash,
 480             (gpointer)str, subtree);
 481           show_tree(statistic_viewer_data, subtree, &iter);
 482         }
 483         break;
 484       default:
 485   break;
 486     }
 487   }
 488 }
 489
 490 void show_statistic(StatisticViewerData * statistic_viewer_data,
 491         LttvAttribute* stats, GtkTextBuffer* buf)
 492 {
 493   int i, nb , flag;
 494   LttvAttributeName name;
 495   LttvAttributeValue value;
 496   LttvAttributeType type;
 497   gchar type_name[PATH_LENGTH], type_value[PATH_LENGTH];
 498   GtkTextIter   text_iter;
 499
 500   flag = 0;
 501   nb = lttv_attribute_get_number(stats);
 502   for(i = 0 ; i < nb ; i++) {
 503     type = lttv_attribute_get(stats, i, &name, &value);
 504     sprintf(type_name,"%s", g_quark_to_string(name));
 505     type_value[0] = '\0';
 506     switch(type) {
 507       case LTTV_INT:
 508         sprintf(type_value, " :  %d\n", *value.v_int);
 509         break;
 510       case LTTV_UINT:
 511         sprintf(type_value, " :  %u\n", *value.v_uint);
 512         break;
 513       case LTTV_LONG:
 514         sprintf(type_value, " :  %ld\n", *value.v_long);
 515         break;
 516       case LTTV_ULONG:
 517         sprintf(type_value, " :  %lu\n", *value.v_ulong);
 518         break;
 519       case LTTV_FLOAT:
 520         sprintf(type_value, " :  %f\n", (double)*value.v_float);
 521         break;
 522       case LTTV_DOUBLE:
 523         sprintf(type_value, " :  %f\n", *value.v_double);
 524         break;
 525       case LTTV_TIME:
 526         sprintf(type_value, " :  %10lu.%09lu\n", value.v_time->tv_sec,
 527             value.v_time->tv_nsec);
 528         break;
 529       case LTTV_POINTER:
 530         sprintf(type_value, " :  POINTER\n");
 531         break;
 532       case LTTV_STRING:
 533         sprintf(type_value, " :  %s\n", *value.v_string);
 534         break;
 535       default:
 536         break;
 537     }
 538     if(strlen(type_value)){
 539       flag = 1;
 540       strcat(type_name,type_value);
 541       gtk_text_buffer_get_end_iter(buf, &text_iter);
 542       gtk_text_buffer_insert(buf, &text_iter, type_name, strlen(type_name));
 543     }
 544   }
 545
 546   if(flag == 0){
 547     sprintf(type_value, "No statistic information in this directory.\nCheck in subdirectories please.\n");
 548     gtk_text_buffer_get_end_iter(buf, &text_iter);
 549     gtk_text_buffer_insert(buf, &text_iter, type_value, strlen(type_value));
 550
 551   }
 552 }
 553
 554 gboolean statistic_traceset_changed(void * hook_data, void * call_data)
 555 {
 556   StatisticViewerData *statistic_viewer_data = (StatisticViewerData*) hook_data;
 557
 558   request_background_data(statistic_viewer_data);
 559
 560   return FALSE;
 561 }
 562
 563 #if 0
 564 void statistic_add_context_hooks(StatisticViewerData * statistic_viewer_data,
 565            LttvTracesetContext * tsc)
 566 {
 567   gint i, j, nbi, nb_tracefile;
 568   LttTrace *trace;
 569   LttvTraceContext *tc;
 570   LttvTracefileContext *tfc;
 571   LttvTracesetSelector  * ts_s;
 572   LttvTraceSelector     * t_s;
 573   LttvTracefileSelector * tf_s;
 574   gboolean selected;
 575
 576   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 577               statistic_viewer_data->filter_key);
 578
 579   //if there are hooks for traceset, add them here
 580
 581   nbi = lttv_traceset_number(tsc->ts);
 582   for(i = 0 ; i < nbi ; i++) {
 583     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 584     selected = lttv_trace_selector_get_selected(t_s);
 585     if(!selected) continue;
 586     tc = tsc->traces[i];
 587     trace = tc->t;
 588     //if there are hooks for trace, add them here
 589
 590     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 591         ltt_trace_per_cpu_tracefile_number(trace);
 592
 593     for(j = 0 ; j < nb_tracefile ; j++) {
 594       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 595       selected = lttv_tracefile_selector_get_selected(tf_s);
 596       if(!selected) continue;
 597       tfc = tc->tracefiles[j];
 598
 599       //if there are hooks for tracefile, add them here
 600       //      lttv_tracefile_context_add_hooks(tfc, NULL,NULL,NULL,NULL,
 601       //               statistic_viewer_data->before_event_hooks,NULL);
 602     }
 603   }
 604
 605   lttv_stats_add_event_hooks(LTTV_TRACESET_STATS(tsc));
 606
 607 }
 608
 609 void statistic_remove_context_hooks(StatisticViewerData * statistic_viewer_data,
 610         LttvTracesetContext * tsc)
 611 {
 612   gint i, j, nbi, nb_tracefile;
 613   LttTrace *trace;
 614   LttvTraceContext *tc;
 615   LttvTracefileContext *tfc;
 616   LttvTracesetSelector  * ts_s;
 617   LttvTraceSelector     * t_s;
 618   LttvTracefileSelector * tf_s;
 619   gboolean selected;
 620
 621   ts_s = (LttvTracesetSelector*)g_object_get_data(G_OBJECT(statistic_viewer_data->hpaned_v),
 622               statistic_viewer_data->filter_key);
 623
 624   //if there are hooks for traceset, remove them here
 625
 626   nbi = lttv_traceset_number(tsc->ts);
 627   for(i = 0 ; i < nbi ; i++) {
 628     t_s = lttv_traceset_selector_trace_get(ts_s,i);
 629     selected = lttv_trace_selector_get_selected(t_s);
 630     if(!selected) continue;
 631     tc = tsc->traces[i];
 632     trace = tc->t;
 633     //if there are hooks for trace, remove them here
 634
 635     nb_tracefile = ltt_trace_control_tracefile_number(trace) +
 636         ltt_trace_per_cpu_tracefile_number(trace);
 637
 638     for(j = 0 ; j < nb_tracefile ; j++) {
 639       tf_s = lttv_trace_selector_tracefile_get(t_s,j);
 640       selected = lttv_tracefile_selector_get_selected(tf_s);
 641       if(!selected) continue;
 642       tfc = tc->tracefiles[j];
 643
 644       //if there are hooks for tracefile, remove them here
 645       //      lttv_tracefile_context_remove_hooks(tfc, NULL,NULL,NULL,NULL,
 646       //            statistic_viewer_data->before_event_hooks,NULL);
 647     }
 648   }
 649
 650   lttv_stats_remove_event_hooks(LTTV_TRACESET_STATS(tsc));
 651 }
 652 #endif //0
 653
 654 /**
 655  * plugin's init function
 656  *
 657  * This function initializes the Statistic Viewer functionnality through the
 658  * gtkTraceSet API.
 659  */
 660 static void init() {
 661
 662   lttvwindow_register_constructor("guistatistics",
 663                                   "/",
 664                                   "Insert Statistic Viewer",
 665                                   hGuiStatisticInsert_xpm,
 666                                   "Insert Statistic Viewer",
 667                                   h_gui_statistic);
 668 }
 669
 670 void statistic_destroy_walk(gpointer data, gpointer user_data)
 671 {
 672   StatisticViewerData *svd = (StatisticViewerData*)data;
 673
 674   g_debug("CFV.c : statistic_destroy_walk, %p", svd);
 675   /* May already have been done by GTK window closing */
 676   if(GTK_IS_WIDGET(guistatistic_get_widget(svd)))
 677     gtk_widget_destroy(guistatistic_get_widget(svd));
 678 }
 679
 680 /**
 681  * plugin's destroy function
 682  *
 683  * This function releases the memory reserved by the module and unregisters
 684  * everything that has been registered in the gtkTraceSet API.
 685  */
 686 static void destroy() {
 687
 688   g_slist_foreach(g_statistic_viewer_data_list, statistic_destroy_walk, NULL );
 689   g_slist_free(g_statistic_viewer_data_list);
 690
 691   lttvwindow_unregister_constructor(h_gui_statistic);
 692
 693 }
 694
 695
 696 LTTV_MODULE("guistatistics", "Statistics viewer", \
 697     "Graphical module to view statistics about processes, CPUs and systems", \
 698     init, destroy, "lttvwindow")
 699