ltt/branches/poly/lttv/modules/gui/resourceview/processlist.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Mathieu Desnoyers
   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 <gtk/gtk.h>
  24 #include <gdk/gdk.h>
  25 #include <glib.h>
  26 #include <string.h>
  27 #include <stdlib.h>
  28 #include <math.h>
  29
  30 #include "processlist.h"
  31 #include "drawing.h"
  32 #include "drawitem.h"
  33
  34 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
  35 //#define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
  36
  37 /* Preallocated Size of the index_to_pixmap array */
  38 #define ALLOCATE_PROCESSES 1000
  39
  40 /*****************************************************************************
  41  *                       Methods to synchronize process list                 *
  42  *****************************************************************************/
  43
  44
  45 gint resource_sort_func  ( GtkTreeModel *model,
  46         GtkTreeIter *it_a,
  47         GtkTreeIter *it_b,
  48         gpointer user_data)
  49 {
  50   gchar *a_name;
  51   gchar *b_name;
  52
  53   gtk_tree_model_get(model, it_a, NAME_COLUMN, &a_name, -1);
  54
  55   gtk_tree_model_get(model, it_b, NAME_COLUMN, &b_name, -1);
  56
  57   return strcmp(a_name, b_name);
  58 }
  59
  60 static guint ru_numeric_hash_fct(gconstpointer key)
  61 {
  62   ResourceUniqueNumeric *ru = (ResourceUniqueNumeric *)key;
  63   int tmp = (ru->trace_num << 8) ^ ru->id;
  64
  65   return g_int_hash(&tmp);
  66 }
  67
  68 static gboolean ru_numeric_equ_fct(gconstpointer a, gconstpointer b)
  69 {
  70   const ResourceUniqueNumeric *pa = (const ResourceUniqueNumeric *)a;
  71   const ResourceUniqueNumeric  *pb = (const ResourceUniqueNumeric *)b;
  72
  73   if(pa->id == pb->id && pa->trace_num == pb->trace_num)
  74     return TRUE;
  75
  76   return FALSE;
  77 }
  78
  79 void destroy_hash_key(gpointer key);
  80
  81 void destroy_hash_data(gpointer data);
  82
  83
  84 gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
  85 {
  86   ControlFlowData *control_flow_data =
  87       (ControlFlowData*)g_object_get_data(
  88                 G_OBJECT(widget),
  89                 "resourceview_data");
  90   Drawing_t *drawing = control_flow_data->drawing;
  91         unsigned int cell_height =
  92                 get_cell_height(GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
  93
  94   switch(event->direction) {
  95     case GDK_SCROLL_UP:
  96       gtk_adjustment_set_value(control_flow_data->v_adjust,
  97         gtk_adjustment_get_value(control_flow_data->v_adjust) - cell_height);
  98       break;
  99     case GDK_SCROLL_DOWN:
 100       gtk_adjustment_set_value(control_flow_data->v_adjust,
 101         gtk_adjustment_get_value(control_flow_data->v_adjust) + cell_height);
 102       break;
 103     default:
 104       g_error("should only scroll up and down.");
 105   }
 106         return TRUE;
 107 }
 108
 109 void expand_event(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *arg2, gpointer user_data)
 110 {
 111   ControlFlowData *resourceview_data =
 112       (ControlFlowData*)g_object_get_data(
 113                 G_OBJECT(treeview),
 114                 "resourceview_data");
 115   ProcessList *process_list = (ProcessList *) user_data;
 116   ResourceUnique *rup;
 117   HashedResourceData *hrd;
 118   gboolean result;
 119
 120   GtkTreeModel *model;
 121   GtkTreeIter child;
 122
 123   /* Determine which trace has been expanded */
 124   model = gtk_tree_view_get_model(treeview);
 125
 126   /* mark each of the trace's resources invisible */
 127   result = gtk_tree_model_iter_children(model, &child, iter);
 128
 129   /* for each child of the collapsed row */
 130   while(result) {
 131     /* hide the item */
 132     gtk_tree_model_get(model, &child, DATA_COLUMN, &hrd, -1);
 133     hrd->hidden=0;
 134
 135     /* find next */
 136     result = gtk_tree_model_iter_next(model, &child);
 137   }
 138
 139   update_index_to_pixmap(process_list);
 140
 141   gtk_widget_queue_draw(resourceview_data->drawing->drawing_area);
 142 }
 143
 144 void collapse_event(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *arg2, gpointer user_data)
 145 {
 146   ControlFlowData *resourceview_data =
 147       (ControlFlowData*)g_object_get_data(
 148                 G_OBJECT(treeview),
 149                 "resourceview_data");
 150   ProcessList *process_list = (ProcessList *) user_data;
 151   ResourceUnique *rup;
 152   HashedResourceData *hrd;
 153   gboolean result;
 154
 155   GtkTreeModel *model;
 156   GtkTreeIter child;
 157
 158   /* Determine which trace has been expanded */
 159   model = gtk_tree_view_get_model(treeview);
 160
 161   /* mark each of the trace's resources invisible */
 162   result = gtk_tree_model_iter_children(model, &child, iter);
 163
 164   /* for each child of the collapsed row */
 165   while(result) {
 166     char *name;
 167     /* hide the item */
 168     gtk_tree_model_get(model, &child, NAME_COLUMN, &name, DATA_COLUMN, &hrd, -1);
 169     hrd->hidden=1;
 170
 171     /* find next */
 172     result = gtk_tree_model_iter_next(model, &child);
 173   }
 174
 175   update_index_to_pixmap(process_list);
 176
 177   gtk_widget_queue_draw(resourceview_data->drawing->drawing_area);
 178 }
 179
 180 static gboolean update_index_to_pixmap_each (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, UpdateIndexPixmapArg *arg)
 181 {
 182   guint array_index = arg->count;
 183   HashedResourceData *hdata;
 184   gchar *name;
 185
 186   gtk_tree_model_get(model, iter, NAME_COLUMN, &name, DATA_COLUMN, &hdata, -1);
 187
 188   g_assert(array_index < arg->process_list->index_to_pixmap->len);
 189
 190   if(hdata->hidden == 0) {
 191     GdkPixmap **pixmap =
 192       (GdkPixmap**)&g_ptr_array_index(arg->process_list->index_to_pixmap, array_index);
 193     *pixmap = hdata->pixmap;
 194
 195     arg->count++;
 196   }
 197
 198   return FALSE;
 199 }
 200
 201 void update_index_to_pixmap(ProcessList *process_list)
 202 {
 203   int i, items=0;
 204   UpdateIndexPixmapArg arg;
 205
 206   for(i=0; i<RV_RESOURCE_COUNT; i++) {
 207     items += g_hash_table_size(process_list->restypes[i].hash_table);
 208   }
 209
 210   /* we don't know the exact number of items there will be,
 211    * so set an upper bound */
 212   g_ptr_array_set_size(process_list->index_to_pixmap, items);
 213
 214   arg.count = 0;
 215   arg.process_list = process_list;
 216
 217   gtk_tree_model_foreach(GTK_TREE_MODEL(process_list->list_store),
 218       (GtkTreeModelForeachFunc)update_index_to_pixmap_each, &arg);
 219
 220   /* now that we know the exact number of items, set it */
 221   g_ptr_array_set_size(process_list->index_to_pixmap, arg.count);
 222 }
 223
 224
 225 static void update_pixmap_size_each(void *key,
 226                                     HashedResourceData *value,
 227                                     guint width)
 228 {
 229   GdkPixmap *old_pixmap = value->pixmap;
 230
 231   value->pixmap =
 232         gdk_pixmap_new(old_pixmap,
 233                        width,
 234                        value->height,
 235                        -1);
 236
 237   gdk_pixmap_unref(old_pixmap);
 238 }
 239
 240
 241 void update_pixmap_size(ProcessList *process_list, guint width)
 242 {
 243   int i;
 244   for(i=0; i<RV_RESOURCE_COUNT; i++) {
 245     g_hash_table_foreach(process_list->restypes[i].hash_table,
 246                        (GHFunc)update_pixmap_size_each,
 247                        (gpointer)width);
 248   }
 249 }
 250
 251
 252 typedef struct _CopyPixmap {
 253   GdkDrawable *dest;
 254   GdkGC *gc;
 255   GdkDrawable *src;
 256   gint xsrc, ysrc, xdest, ydest, width, height;
 257 } CopyPixmap;
 258
 259 static void copy_pixmap_region_each(void *key,
 260                                     HashedResourceData *value,
 261                                     CopyPixmap *cp)
 262 {
 263   GdkPixmap *src = cp->src;
 264   GdkPixmap *dest = cp->dest;
 265
 266   if(dest == NULL)
 267     dest = value->pixmap;
 268   if(src == NULL)
 269     src = value->pixmap;
 270
 271   gdk_draw_drawable (dest,
 272       cp->gc,
 273       src,
 274       cp->xsrc, cp->ysrc,
 275       cp->xdest, cp->ydest,
 276       cp->width, cp->height);
 277 }
 278
 279 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 280     GdkGC *gc, GdkDrawable *src,
 281     gint xsrc, gint ysrc,
 282     gint xdest, gint ydest, gint width, gint height)
 283 {
 284   int i;
 285   CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
 286
 287   for(i=0; i<RV_RESOURCE_COUNT; i++) {
 288     g_hash_table_foreach(process_list->restypes[i].hash_table,
 289                        (GHFunc)copy_pixmap_region_each,
 290                        &cp);
 291   }
 292 }
 293
 294
 295
 296 typedef struct _RectanglePixmap {
 297   gboolean filled;
 298   gint x, y, width, height;
 299   GdkGC *gc;
 300 } RectanglePixmap;
 301
 302 static void rectangle_pixmap_each(void *key,
 303                                   HashedResourceData *value,
 304                                   RectanglePixmap *rp)
 305 {
 306   if(rp->height == -1)
 307     rp->height = value->height;
 308
 309   gdk_draw_rectangle (value->pixmap,
 310       rp->gc,
 311       rp->filled,
 312       rp->x, rp->y,
 313       rp->width, rp->height);
 314 }
 315
 316 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 317     gboolean filled, gint x, gint y, gint width, gint height)
 318 {
 319   int i;
 320   RectanglePixmap rp = { filled, x, y, width, height, gc };
 321
 322   for(i=0; i<RV_RESOURCE_COUNT; i++) {
 323     g_hash_table_foreach(process_list->restypes[i].hash_table,
 324                        (GHFunc)rectangle_pixmap_each,
 325                        &rp);
 326   }
 327 }
 328
 329 /* Renders each pixmaps into on big drawable */
 330 void copy_pixmap_to_screen(ProcessList *process_list,
 331     GdkDrawable *dest,
 332     GdkGC *gc,
 333     gint x, gint y,
 334     gint width, gint height)
 335 {
 336   if(process_list->index_to_pixmap->len == 0) return;
 337   guint cell_height = process_list->cell_height;
 338
 339   /* Get indexes */
 340   gint begin = floor(y/(double)cell_height);
 341   gint end = MIN(ceil((y+height)/(double)cell_height),
 342                  process_list->index_to_pixmap->len);
 343   gint i;
 344
 345   for(i=begin; i<end; i++) {
 346     g_assert(i<process_list->index_to_pixmap->len);
 347     /* Render the pixmap to the screen */
 348     GdkPixmap *pixmap =
 349       //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
 350       GDK_PIXMAP(g_ptr_array_index(process_list->index_to_pixmap, i));
 351
 352     gdk_draw_drawable (dest,
 353         gc,
 354         pixmap,
 355         x, 0,
 356         x, i*cell_height,
 357         width, cell_height);
 358
 359   }
 360 }
 361
 362 ProcessList *processlist_construct(void)
 363 {
 364   GtkTreeViewColumn *column;
 365   GtkCellRenderer *renderer;
 366
 367   ProcessList* process_list = g_new(ProcessList,1);
 368
 369   process_list->number_of_process = 0;
 370
 371   process_list->current_hash_data = NULL;
 372
 373   /* Create the Process list */
 374   process_list->list_store = gtk_tree_store_new (  N_COLUMNS, G_TYPE_STRING, G_TYPE_POINTER);
 375
 376   process_list->process_list_widget =
 377     gtk_tree_view_new_with_model
 378     (GTK_TREE_MODEL (process_list->list_store));
 379   g_object_set(process_list->process_list_widget, "enable-tree-lines", TRUE, NULL);
 380
 381   g_object_unref (G_OBJECT (process_list->list_store));
 382
 383   gtk_tree_sortable_set_default_sort_func(
 384       GTK_TREE_SORTABLE(process_list->list_store),
 385       resource_sort_func,
 386       NULL,
 387       NULL);
 388
 389
 390   gtk_tree_sortable_set_sort_column_id(
 391       GTK_TREE_SORTABLE(process_list->list_store),
 392       GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 393       GTK_SORT_ASCENDING);
 394
 395   gtk_tree_view_set_headers_visible(
 396     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 397
 398   /* Create a column, associating the "text" attribute of the
 399    * cell_renderer to the first column of the model */
 400   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 401   renderer = gtk_cell_renderer_text_new ();
 402   process_list->renderer = renderer;
 403
 404         gint vertical_separator;
 405         gtk_widget_style_get (GTK_WIDGET (process_list->process_list_widget),
 406                         "vertical-separator", &vertical_separator,
 407                         NULL);
 408   gtk_cell_renderer_get_size(renderer,
 409       GTK_WIDGET(process_list->process_list_widget),
 410       NULL,
 411       NULL,
 412       NULL,
 413       NULL,
 414       &process_list->cell_height);
 415
 416   g_signal_connect(process_list->process_list_widget, "row-expanded", G_CALLBACK(expand_event), process_list);
 417   g_signal_connect(process_list->process_list_widget, "row-collapsed", G_CALLBACK(collapse_event), process_list);
 418
 419 #if GTK_CHECK_VERSION(2,4,15)
 420   guint ypad;
 421   g_object_get(G_OBJECT(renderer), "ypad", &ypad, NULL);
 422
 423   process_list->cell_height += ypad;
 424 #endif
 425   process_list->cell_height += vertical_separator;
 426
 427
 428   column = gtk_tree_view_column_new_with_attributes ( "Resource",
 429                 renderer,
 430                 "text",
 431                 NAME_COLUMN,
 432                 NULL);
 433   gtk_tree_view_column_set_alignment (column, 0.0);
 434   gtk_tree_view_column_set_fixed_width (column, 45);
 435   gtk_tree_view_append_column (
 436     GTK_TREE_VIEW (process_list->process_list_widget), column);
 437
 438   process_list->button = column->button;
 439
 440   g_object_set_data_full(
 441       G_OBJECT(process_list->process_list_widget),
 442       "process_list_Data",
 443       process_list,
 444       (GDestroyNotify)processlist_destroy);
 445
 446   process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
 447
 448   process_list->restypes[RV_RESOURCE_MACHINE].hash_table = g_hash_table_new(ru_numeric_hash_fct, ru_numeric_equ_fct);
 449   process_list->restypes[RV_RESOURCE_CPU].hash_table = g_hash_table_new(ru_numeric_hash_fct, ru_numeric_equ_fct);
 450   process_list->restypes[RV_RESOURCE_IRQ].hash_table = g_hash_table_new(ru_numeric_hash_fct, ru_numeric_equ_fct);
 451   process_list->restypes[RV_RESOURCE_SOFT_IRQ].hash_table = g_hash_table_new(ru_numeric_hash_fct, ru_numeric_equ_fct);
 452   process_list->restypes[RV_RESOURCE_TRAP].hash_table = g_hash_table_new(ru_numeric_hash_fct, ru_numeric_equ_fct);
 453   process_list->restypes[RV_RESOURCE_BDEV].hash_table = g_hash_table_new(ru_numeric_hash_fct, ru_numeric_equ_fct);
 454
 455   return process_list;
 456 }
 457
 458 void processlist_destroy(ProcessList *process_list)
 459 {
 460   int i;
 461
 462   g_debug("processlist_destroy %p", process_list);
 463
 464   for(i=0; i<RV_RESOURCE_COUNT; i++) {
 465     g_hash_table_destroy(process_list->restypes[i].hash_table);
 466     process_list->restypes[i].hash_table = NULL;
 467   }
 468   g_ptr_array_free(process_list->index_to_pixmap, TRUE);
 469
 470   g_free(process_list);
 471   g_debug("processlist_destroy end");
 472 }
 473
 474 static gboolean remove_hash_item(void *key,
 475                                  HashedResourceData *hashed_process_data,
 476                                  ProcessList *process_list)
 477 {
 478   GtkTreeIter iter;
 479
 480   iter = hashed_process_data->y_iter;
 481
 482   gtk_tree_store_remove (process_list->list_store, &iter);
 483   gdk_pixmap_unref(hashed_process_data->pixmap);
 484
 485 // TODO pmf: check this; might be needed
 486 //  if(likely(process_list->current_hash_data != NULL)) {
 487 //    if(likely(hashed_process_data ==
 488 //                process_list->current_hash_data[process_info->trace_num][process_info->cpu]))
 489 //      process_list->current_hash_data[process_info->trace_num][process_info->cpu] = NULL;
 490 //  }
 491   return TRUE; /* remove the element from the hash table */
 492 }
 493
 494 void processlist_clear(ProcessList *process_list)
 495 {
 496   int i;
 497
 498   g_info("processlist_clear %p", process_list);
 499
 500   for(i=RV_RESOURCE_COUNT-1; i>=0; i--) {
 501     g_hash_table_foreach_remove(process_list->restypes[i].hash_table,
 502                                 (GHRFunc)remove_hash_item,
 503                                 (gpointer)process_list);
 504   }
 505   process_list->number_of_process = 0;
 506   update_index_to_pixmap(process_list);
 507 }
 508
 509
 510 GtkWidget *processlist_get_widget(ProcessList *process_list)
 511 {
 512   return process_list->process_list_widget;
 513 }
 514
 515
 516 void destroy_hash_key(gpointer key)
 517 {
 518   g_free(key);
 519 }
 520
 521 void destroy_hash_data(gpointer data)
 522 {
 523   g_free(data);
 524 }
 525
 526 GQuark make_cpu_name(ControlFlowData *resourceview_data, guint trace_num, guint id)
 527 {
 528   GQuark name;
 529   gchar *str;
 530
 531   str = g_strdup_printf("CPU%u", id);
 532   name = g_quark_from_string(str);
 533   g_free(str);
 534
 535   return name;
 536 }
 537
 538 GQuark make_irq_name(ControlFlowData *resourceview_data, guint trace_num, guint id)
 539 {
 540   GQuark name;
 541   gchar *str;
 542
 543   str = g_strdup_printf("IRQ %u", id);
 544   name = g_quark_from_string(str);
 545   g_free(str);
 546
 547   return name;
 548 }
 549
 550 GQuark make_soft_irq_name(ControlFlowData *resourceview_data, guint trace_num, guint id)
 551 {
 552   GQuark name;
 553   gchar *str;
 554
 555   str = g_strdup_printf("SOFTIRQ %u", id);
 556   name = g_quark_from_string(str);
 557   g_free(str);
 558
 559   return name;
 560 }
 561
 562 GQuark make_trap_name(ControlFlowData *resourceview_data, guint trace_num, guint id)
 563 {
 564   GQuark name;
 565   gchar *str;
 566
 567   str = g_strdup_printf("Trap %u", id);
 568   name = g_quark_from_string(str);
 569   g_free(str);
 570
 571   return name;
 572 }
 573
 574 GQuark make_bdev_name(ControlFlowData *resourceview_data, guint trace_num, guint id)
 575 {
 576   GQuark name;
 577   gchar *str;
 578
 579   str = g_strdup_printf("Block (%u,%u)", MAJOR(id), MINOR(id));
 580   name = g_quark_from_string(str);
 581   g_free(str);
 582
 583   return name;
 584 }
 585
 586 HashedResourceData *resourcelist_obtain_machine(ControlFlowData *resourceview_data, guint trace_num, guint id)
 587 {
 588   ResourceUniqueNumeric *ru = g_new(ResourceUniqueNumeric, 1);
 589   HashedResourceData *data = g_new(HashedResourceData, 1);
 590
 591   /* Prepare hash key */
 592   ru->trace_num = trace_num;
 593   ru->id = id;
 594
 595   /* Search within hash table */
 596   GHashTable *ht = resourceview_data->process_list->restypes[RV_RESOURCE_MACHINE].hash_table;
 597   data = g_hash_table_lookup(ht, ru);
 598
 599   /* If not found in hash table, add it */
 600   if(data == NULL) {
 601     GQuark name;
 602
 603     data = g_malloc(sizeof(HashedResourceData));
 604     /* Prepare hashed data */
 605     data->type = RV_RESOURCE_MACHINE;
 606     data->x.over = 0;
 607     data->x.over_used = FALSE;
 608     data->x.over_marked = FALSE;
 609     data->x.middle = 0; // last
 610     data->x.middle_used = FALSE;
 611     data->x.middle_marked = FALSE;
 612     data->x.under = 0;
 613     data->x.under_used = FALSE;
 614     data->x.under_marked = FALSE;
 615     data->next_good_time = ltt_time_zero;
 616     data->hidden = 0;
 617
 618     data->height = resourceview_data->process_list->cell_height;
 619     data->pixmap =
 620         gdk_pixmap_new(resourceview_data->drawing->drawing_area->window,
 621                        resourceview_data->drawing->alloc_width,
 622                        data->height,
 623                        -1);
 624     g_assert(data->pixmap);
 625
 626     gdk_draw_rectangle (data->pixmap,
 627         resourceview_data->drawing->drawing_area->style->black_gc,
 628         TRUE,
 629         0, 0,
 630         resourceview_data->drawing->alloc_width,
 631         data->height);
 632
 633     /* add to hash table */
 634     g_hash_table_insert(ht, ru, data);
 635     resourceview_data->process_list->number_of_process++; // TODO: check
 636
 637     /* add to process list */
 638     {
 639       gchar *str;
 640       str = g_strdup_printf("Trace %u", id);
 641       name = g_quark_from_string(str);
 642       g_free(str);
 643     }
 644
 645     gtk_tree_store_append(resourceview_data->process_list->list_store, &data->y_iter, NULL);
 646     gtk_tree_store_set(resourceview_data->process_list->list_store, &data->y_iter,
 647          NAME_COLUMN, g_quark_to_string(name), DATA_COLUMN, data,
 648          -1);
 649
 650     update_index_to_pixmap(resourceview_data->process_list);
 651
 652     int heightall = data->height * resourceview_data->process_list->number_of_process;
 653
 654     gtk_widget_set_size_request(resourceview_data->drawing->drawing_area,
 655                               -1,
 656                               heightall);
 657
 658     gtk_widget_queue_draw(resourceview_data->drawing->drawing_area);
 659   }
 660
 661   /* expand the newly added machine */
 662   {
 663     GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(resourceview_data->process_list->process_list_widget));
 664     GtkTreePath *path;
 665     path = gtk_tree_model_get_path(model, &data->y_iter);
 666
 667     gtk_tree_view_expand_row(GTK_TREE_VIEW(resourceview_data->process_list->process_list_widget), path, FALSE);
 668
 669     gtk_tree_path_free(path);
 670   }
 671
 672   return data;
 673 }
 674
 675 HashedResourceData *resourcelist_obtain_generic(ControlFlowData *resourceview_data, gint res_type, guint trace_num, guint id, GQuark (*make_name_func)(ControlFlowData *resourceview_data, guint trace_num, guint id))
 676 {
 677   ResourceUniqueNumeric *ru = g_new(ResourceUniqueNumeric, 1);
 678   HashedResourceData *data = g_new(HashedResourceData, 1);
 679
 680   /* Prepare hash key */
 681   ru->ru.type = &(resourceview_data->process_list->restypes[res_type]);
 682   ru->trace_num = trace_num;
 683   ru->id = id;
 684
 685   /* Search within hash table */
 686   GHashTable *ht = resourceview_data->process_list->restypes[res_type].hash_table;
 687   data = g_hash_table_lookup(ht, ru);
 688
 689   /* If not found in hash table, add it */
 690   if(data == NULL) {
 691     GQuark name;
 692     HashedResourceData *parent;
 693
 694     /* Find the parent machine */
 695     parent = resourcelist_obtain_machine(resourceview_data, trace_num, trace_num);
 696
 697     /* Prepare hashed data */
 698     data = g_malloc(sizeof(HashedResourceData));
 699
 700     data->type = res_type;
 701     data->x.over = 0;
 702     data->x.over_used = FALSE;
 703     data->x.over_marked = FALSE;
 704     data->x.middle = 0; // last
 705     data->x.middle_used = FALSE;
 706     data->x.middle_marked = FALSE;
 707     data->x.under = 0;
 708     data->x.under_used = FALSE;
 709     data->x.under_marked = FALSE;
 710     data->next_good_time = ltt_time_zero;
 711
 712     data->height = resourceview_data->process_list->cell_height;
 713     data->pixmap =
 714         gdk_pixmap_new(resourceview_data->drawing->drawing_area->window,
 715                        resourceview_data->drawing->alloc_width,
 716                        data->height,
 717                        -1);
 718
 719     gdk_draw_rectangle (data->pixmap,
 720         resourceview_data->drawing->drawing_area->style->black_gc,
 721         TRUE,
 722         0, 0,
 723         resourceview_data->drawing->alloc_width,
 724         data->height);
 725
 726     /* add to hash table */
 727     g_hash_table_insert(ht, ru, data);
 728     resourceview_data->process_list->number_of_process++; // TODO: check
 729
 730     /* add to process list */
 731     name = make_name_func(resourceview_data, trace_num, id);
 732
 733     gtk_tree_store_append(resourceview_data->process_list->list_store, &data->y_iter, &parent->y_iter);
 734     gtk_tree_store_set(resourceview_data->process_list->list_store, &data->y_iter,
 735          NAME_COLUMN, g_quark_to_string(name), DATA_COLUMN, data,
 736          -1);
 737
 738     /* Determine if we should add it hidden or not */
 739     {
 740       gboolean result;
 741       GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(resourceview_data->process_list->process_list_widget));
 742       GtkTreeIter parent_iter;
 743
 744       result = gtk_tree_model_iter_parent(model, &parent_iter, &data->y_iter);
 745       GtkTreePath *path = gtk_tree_model_get_path(model, &parent_iter);
 746       data->hidden = gtk_tree_view_row_expanded(GTK_TREE_VIEW(resourceview_data->process_list->process_list_widget), path)?0:1;
 747       gtk_tree_path_free(path);
 748     }
 749
 750
 751     update_index_to_pixmap(resourceview_data->process_list);
 752
 753     int heightall = data->height * resourceview_data->process_list->number_of_process;
 754
 755     gtk_widget_set_size_request(resourceview_data->drawing->drawing_area,
 756                               -1,
 757                               heightall);
 758
 759     gtk_widget_queue_draw(resourceview_data->drawing->drawing_area);
 760   }
 761
 762   return data;
 763 }
 764
 765 HashedResourceData *resourcelist_obtain_cpu(ControlFlowData *resourceview_data, guint trace_num, guint id)
 766 {
 767   return resourcelist_obtain_generic(resourceview_data, RV_RESOURCE_CPU, trace_num, id, make_cpu_name);
 768 }
 769
 770 HashedResourceData *resourcelist_obtain_irq(ControlFlowData *resourceview_data, guint trace_num, guint id)
 771 {
 772   return resourcelist_obtain_generic(resourceview_data, RV_RESOURCE_IRQ, trace_num, id, make_irq_name);
 773 }
 774
 775 HashedResourceData *resourcelist_obtain_soft_irq(ControlFlowData *resourceview_data, guint trace_num, guint id)
 776 {
 777   return resourcelist_obtain_generic(resourceview_data, RV_RESOURCE_SOFT_IRQ, trace_num, id, make_soft_irq_name);
 778 }
 779
 780 HashedResourceData *resourcelist_obtain_trap(ControlFlowData *resourceview_data, guint trace_num, guint id)
 781 {
 782   return resourcelist_obtain_generic(resourceview_data, RV_RESOURCE_TRAP, trace_num, id, make_trap_name);
 783 }
 784
 785 HashedResourceData *resourcelist_obtain_bdev(ControlFlowData *resourceview_data, guint trace_num, guint id)
 786 {
 787   return resourcelist_obtain_generic(resourceview_data, RV_RESOURCE_BDEV, trace_num, id, make_bdev_name);
 788 }
 789