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
  31 #include "processlist.h"
  32 #include "drawing.h"
  33 #include "drawitem.h"
  34
  35 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
  36 //#define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
  37
  38 /* Preallocated Size of the index_to_pixmap array */
  39 #define ALLOCATE_PROCESSES 1000
  40
  41 /*****************************************************************************
  42  *                       Methods to synchronize process list                 *
  43  *****************************************************************************/
  44
  45
  46 //gint process_sort_func  ( GtkTreeModel *model,
  47 //        GtkTreeIter *it_a,
  48 //        GtkTreeIter *it_b,
  49 //        gpointer user_data)
  50 //{
  51 //  gchar *a_name;
  52 //  gchar *a_brand;
  53 //  guint a_pid, a_tgid, a_ppid, a_cpu;
  54 //  gulong a_birth_s, a_birth_ns;
  55 //  guint a_trace;
  56 //
  57 //  gchar *b_name;
  58 //  gchar *b_brand;
  59 //  guint b_pid, b_tgid, b_ppid, b_cpu;
  60 //  gulong b_birth_s, b_birth_ns;
  61 //  guint b_trace;
  62 //
  63 //  gtk_tree_model_get(model,
  64 //           it_a,
  65 //           PROCESS_COLUMN, &a_name,
  66 //           BRAND_COLUMN, &a_brand,
  67 //           PID_COLUMN, &a_pid,
  68 //           TGID_COLUMN, &a_tgid,
  69 //           PPID_COLUMN, &a_ppid,
  70 //           CPU_COLUMN, &a_cpu,
  71 //           BIRTH_S_COLUMN, &a_birth_s,
  72 //           BIRTH_NS_COLUMN, &a_birth_ns,
  73 //           TRACE_COLUMN, &a_trace,
  74 //           -1);
  75 //
  76 //  gtk_tree_model_get(model,
  77 //           it_b,
  78 //           PROCESS_COLUMN, &b_name,
  79 //           BRAND_COLUMN, &b_brand,
  80 //           PID_COLUMN, &b_pid,
  81 //           TGID_COLUMN, &b_tgid,
  82 //           PPID_COLUMN, &b_ppid,
  83 //           CPU_COLUMN, &b_cpu,
  84 //           BIRTH_S_COLUMN, &b_birth_s,
  85 //           BIRTH_NS_COLUMN, &b_birth_ns,
  86 //           TRACE_COLUMN, &b_trace,
  87 //           -1);
  88 //
  89 //
  90 //  /* Order by PID */
  91 //  if(a_pid == 0 &&  b_pid == 0) {
  92 //    /* If 0, order by CPU */
  93 //    if(a_cpu > b_cpu) return 1;
  94 //    if(a_cpu < b_cpu) return -1;
  95 //
  96 //  } else { /* if not 0, order by pid */
  97 //
  98 //    if(a_pid > b_pid) return 1;
  99 //    if(a_pid < b_pid) return -1;
 100 //  }
 101 //
 102 //  /* Order by birth second */
 103 //
 104 //  if(a_birth_s > b_birth_s) return 1;
 105 //  if(a_birth_s < b_birth_s) return -1;
 106 //
 107 //
 108 //  /* Order by birth nanosecond */
 109 //  if(a_birth_ns > b_birth_ns) return 1;
 110 //  if(a_birth_ns < b_birth_ns) return -1;
 111 //
 112 //  /* Order by trace_num */
 113 //  if(a_trace > b_trace) return 1;
 114 //  if(a_trace < b_trace) return -1;
 115 //
 116 //  return 0;
 117 //
 118 //}
 119
 120 //static guint process_list_hash_fct(gconstpointer key)
 121 //{
 122 //  guint pid = ((const ResourceInfo*)key)->pid;
 123 //  return ((pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ^ ((const ResourceInfo*)key)->cpu);
 124 //}
 125 //
 126 ///* If hash is good, should be different */
 127 //static gboolean process_list_equ_fct(gconstpointer a, gconstpointer b)
 128 //{
 129 //  const ResourceInfo *pa = (const ResourceInfo*)a;
 130 //  const ResourceInfo *pb = (const ResourceInfo*)b;
 131 //
 132 //  gboolean ret = TRUE;
 133 //
 134 //  if(likely(pa->pid != pb->pid))
 135 //    ret = FALSE;
 136 //  if(likely((pa->pid == 0 && (pa->cpu != pb->cpu))))
 137 //    ret = FALSE;
 138 //  if(unlikely(ltt_time_compare(pa->birth, pb->birth) != 0))
 139 //    ret = FALSE;
 140 //  if(unlikely(pa->trace_num != pb->trace_num))
 141 //    ret = FALSE;
 142 //
 143 //  return ret;
 144 //}
 145
 146 static guint resource_list_hash_fct(gconstpointer key)
 147 {
 148   gchar *name = g_quark_to_string(((const ResourceInfo*)key)->name);
 149   return g_str_hash(name);
 150 }
 151
 152 static gboolean resource_list_equ_fct(gconstpointer a, gconstpointer b)
 153 {
 154   const ResourceInfo *pa = (const ResourceInfo*)a;
 155   const ResourceInfo *pb = (const ResourceInfo*)b;
 156
 157   gboolean ret = TRUE;
 158
 159   /* TODO pmf: add some else's here to make it faster */
 160   /* TODO pmf: this is highly inefficient */
 161
 162   if(likely(strcmp(g_quark_to_string(pa->name), g_quark_to_string(pb->name)) != 0))
 163     ret = FALSE;
 164   if(unlikely(pa->trace_num != pb->trace_num))
 165     ret = FALSE;
 166
 167   return ret;
 168 }
 169
 170 void destroy_hash_key(gpointer key);
 171
 172 void destroy_hash_data(gpointer data);
 173
 174
 175 gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 176 {
 177   ControlFlowData *control_flow_data =
 178       (ControlFlowData*)g_object_get_data(
 179                 G_OBJECT(widget),
 180                 "control_flow_data");
 181   Drawing_t *drawing = control_flow_data->drawing;
 182         unsigned int cell_height =
 183                 get_cell_height(GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
 184
 185   switch(event->direction) {
 186     case GDK_SCROLL_UP:
 187       gtk_adjustment_set_value(control_flow_data->v_adjust,
 188         gtk_adjustment_get_value(control_flow_data->v_adjust) - cell_height);
 189       break;
 190     case GDK_SCROLL_DOWN:
 191       gtk_adjustment_set_value(control_flow_data->v_adjust,
 192         gtk_adjustment_get_value(control_flow_data->v_adjust) + cell_height);
 193       break;
 194     default:
 195       g_error("should only scroll up and down.");
 196   }
 197         return TRUE;
 198 }
 199
 200
 201 static void update_index_to_pixmap_each(ResourceInfo *key,
 202                                         HashedResourceData *value,
 203                                         ProcessList *process_list)
 204 {
 205   guint array_index = processlist_get_index_from_data(process_list, value);
 206
 207   g_assert(array_index < process_list->index_to_pixmap->len);
 208
 209   GdkPixmap **pixmap =
 210     (GdkPixmap**)&g_ptr_array_index(process_list->index_to_pixmap, array_index);
 211
 212   *pixmap = value->pixmap;
 213 }
 214
 215
 216 void update_index_to_pixmap(ProcessList *process_list)
 217 {
 218   g_ptr_array_set_size(process_list->index_to_pixmap,
 219                        g_hash_table_size(process_list->process_hash));
 220   g_hash_table_foreach(process_list->process_hash,
 221                        (GHFunc)update_index_to_pixmap_each,
 222                        process_list);
 223 }
 224
 225
 226 static void update_pixmap_size_each(ResourceInfo *key,
 227                                     HashedResourceData *value,
 228                                     guint width)
 229 {
 230   GdkPixmap *old_pixmap = value->pixmap;
 231
 232   value->pixmap =
 233         gdk_pixmap_new(old_pixmap,
 234                        width,
 235                        value->height,
 236                        -1);
 237
 238   gdk_pixmap_unref(old_pixmap);
 239 }
 240
 241
 242 void update_pixmap_size(ProcessList *process_list, guint width)
 243 {
 244   g_hash_table_foreach(process_list->process_hash,
 245                        (GHFunc)update_pixmap_size_each,
 246                        (gpointer)width);
 247 }
 248
 249
 250 typedef struct _CopyPixmap {
 251   GdkDrawable *dest;
 252   GdkGC *gc;
 253   GdkDrawable *src;
 254   gint xsrc, ysrc, xdest, ydest, width, height;
 255 } CopyPixmap;
 256
 257 static void copy_pixmap_region_each(ResourceInfo *key,
 258                                     HashedResourceData *value,
 259                                     CopyPixmap *cp)
 260 {
 261   GdkPixmap *src = cp->src;
 262   GdkPixmap *dest = cp->dest;
 263
 264   if(dest == NULL)
 265     dest = value->pixmap;
 266   if(src == NULL)
 267     src = value->pixmap;
 268
 269   gdk_draw_drawable (dest,
 270       cp->gc,
 271       src,
 272       cp->xsrc, cp->ysrc,
 273       cp->xdest, cp->ydest,
 274       cp->width, cp->height);
 275 }
 276
 277 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 278     GdkGC *gc, GdkDrawable *src,
 279     gint xsrc, gint ysrc,
 280     gint xdest, gint ydest, gint width, gint height)
 281 {
 282   CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
 283
 284   g_hash_table_foreach(process_list->process_hash,
 285                        (GHFunc)copy_pixmap_region_each,
 286                        &cp);
 287 }
 288
 289
 290
 291 typedef struct _RectanglePixmap {
 292   gboolean filled;
 293   gint x, y, width, height;
 294   GdkGC *gc;
 295 } RectanglePixmap;
 296
 297 static void rectangle_pixmap_each(ResourceInfo *key,
 298                                   HashedResourceData *value,
 299                                   RectanglePixmap *rp)
 300 {
 301   if(rp->height == -1)
 302     rp->height = value->height;
 303
 304   gdk_draw_rectangle (value->pixmap,
 305       rp->gc,
 306       rp->filled,
 307       rp->x, rp->y,
 308       rp->width, rp->height);
 309 }
 310
 311
 312
 313
 314 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 315     gboolean filled, gint x, gint y, gint width, gint height)
 316 {
 317   RectanglePixmap rp = { filled, x, y, width, height, gc };
 318
 319   g_hash_table_foreach(process_list->process_hash,
 320                        (GHFunc)rectangle_pixmap_each,
 321                        &rp);
 322 }
 323
 324
 325 /* Renders each pixmaps into on big drawable */
 326 void copy_pixmap_to_screen(ProcessList *process_list,
 327     GdkDrawable *dest,
 328     GdkGC *gc,
 329     gint x, gint y,
 330     gint width, gint height)
 331 {
 332   if(process_list->index_to_pixmap->len == 0) return;
 333   guint cell_height = process_list->cell_height;
 334
 335   /* Get indexes */
 336   gint begin = floor(y/(double)cell_height);
 337   gint end = MIN(ceil((y+height)/(double)cell_height),
 338                  process_list->index_to_pixmap->len);
 339   gint i;
 340
 341   for(i=begin; i<end; i++) {
 342     g_assert(i<process_list->index_to_pixmap->len);
 343     /* Render the pixmap to the screen */
 344     GdkPixmap *pixmap =
 345       //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
 346       GDK_PIXMAP(g_ptr_array_index(process_list->index_to_pixmap, i));
 347
 348     gdk_draw_drawable (dest,
 349         gc,
 350         pixmap,
 351         x, 0,
 352         x, i*cell_height,
 353         width, cell_height);
 354
 355   }
 356 }
 357
 358 ProcessList *processlist_construct(void)
 359 {
 360   GtkTreeViewColumn *column;
 361   GtkCellRenderer *renderer;
 362
 363   ProcessList* process_list = g_new(ProcessList,1);
 364
 365   process_list->number_of_process = 0;
 366
 367   process_list->current_hash_data = NULL;
 368
 369   /* Create the Process list */
 370   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 371               G_TYPE_STRING,
 372               G_TYPE_STRING,
 373               G_TYPE_UINT,
 374               G_TYPE_UINT,
 375               G_TYPE_UINT,
 376               G_TYPE_UINT,
 377               G_TYPE_ULONG,
 378               G_TYPE_ULONG,
 379               G_TYPE_UINT);
 380
 381
 382   process_list->process_list_widget =
 383     gtk_tree_view_new_with_model
 384     (GTK_TREE_MODEL (process_list->list_store));
 385
 386   g_object_unref (G_OBJECT (process_list->list_store));
 387
 388 //  gtk_tree_sortable_set_default_sort_func(
 389 //      GTK_TREE_SORTABLE(process_list->list_store),
 390 //      process_sort_func,
 391 //      NULL,
 392 //      NULL);
 393 //
 394 //
 395 //  gtk_tree_sortable_set_sort_column_id(
 396 //      GTK_TREE_SORTABLE(process_list->list_store),
 397 //      GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 398 //      GTK_SORT_ASCENDING);
 399
 400
 401   process_list->process_hash = g_hash_table_new_full(
 402       resource_list_hash_fct, resource_list_equ_fct,
 403       destroy_hash_key, destroy_hash_data
 404       );
 405
 406
 407   gtk_tree_view_set_headers_visible(
 408     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 409
 410   /* Create a column, associating the "text" attribute of the
 411    * cell_renderer to the first column of the model */
 412   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 413   renderer = gtk_cell_renderer_text_new ();
 414   process_list->renderer = renderer;
 415
 416         gint vertical_separator;
 417         gtk_widget_style_get (GTK_WIDGET (process_list->process_list_widget),
 418                         "vertical-separator", &vertical_separator,
 419                         NULL);
 420   gtk_cell_renderer_get_size(renderer,
 421       GTK_WIDGET(process_list->process_list_widget),
 422       NULL,
 423       NULL,
 424       NULL,
 425       NULL,
 426       &process_list->cell_height);
 427
 428 #if GTK_CHECK_VERSION(2,4,15)
 429   guint ypad;
 430   g_object_get(G_OBJECT(renderer), "ypad", &ypad, NULL);
 431
 432   process_list->cell_height += ypad;
 433 #endif
 434   process_list->cell_height += vertical_separator;
 435
 436
 437   column = gtk_tree_view_column_new_with_attributes ( "Resource",
 438                 renderer,
 439                 "text",
 440                 NAME_COLUMN,
 441                 NULL);
 442   gtk_tree_view_column_set_alignment (column, 0.0);
 443   gtk_tree_view_column_set_fixed_width (column, 45);
 444   gtk_tree_view_append_column (
 445     GTK_TREE_VIEW (process_list->process_list_widget), column);
 446
 447   process_list->button = column->button;
 448
 449 //  column = gtk_tree_view_column_new_with_attributes ( "Brand",
 450 //                renderer,
 451 //                "text",
 452 //                BRAND_COLUMN,
 453 //                NULL);
 454 //  gtk_tree_view_column_set_alignment (column, 0.0);
 455 //  gtk_tree_view_column_set_fixed_width (column, 45);
 456 //  gtk_tree_view_append_column (
 457 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 458 //
 459 //  column = gtk_tree_view_column_new_with_attributes ( "PID",
 460 //                renderer,
 461 //                "text",
 462 //                PID_COLUMN,
 463 //                NULL);
 464 //  gtk_tree_view_append_column (
 465 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 466 //
 467 //  column = gtk_tree_view_column_new_with_attributes ( "TGID",
 468 //                renderer,
 469 //                "text",
 470 //                TGID_COLUMN,
 471 //                NULL);
 472 //  gtk_tree_view_append_column (
 473 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 474 //
 475 //  column = gtk_tree_view_column_new_with_attributes ( "PPID",
 476 //                renderer,
 477 //                "text",
 478 //                PPID_COLUMN,
 479 //                NULL);
 480 //  gtk_tree_view_append_column (
 481 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 482 //
 483 //  column = gtk_tree_view_column_new_with_attributes ( "CPU",
 484 //                renderer,
 485 //                "text",
 486 //                CPU_COLUMN,
 487 //                NULL);
 488 //  gtk_tree_view_append_column (
 489 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 490 //
 491 //  column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
 492 //                renderer,
 493 //                "text",
 494 //                BIRTH_S_COLUMN,
 495 //                NULL);
 496 //  gtk_tree_view_append_column (
 497 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 498 //
 499 //  //gtk_tree_view_column_set_visible(column, 0);
 500 //  //
 501 //  column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 502 //                renderer,
 503 //                "text",
 504 //                BIRTH_NS_COLUMN,
 505 //                NULL);
 506 //  gtk_tree_view_append_column (
 507 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 508 //
 509 //  column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 510 //                renderer,
 511 //                "text",
 512 //                TRACE_COLUMN,
 513 //                NULL);
 514 //  gtk_tree_view_append_column (
 515 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 516
 517
 518   //gtk_tree_view_column_set_visible(column, 0);
 519
 520   g_object_set_data_full(
 521       G_OBJECT(process_list->process_list_widget),
 522       "process_list_Data",
 523       process_list,
 524       (GDestroyNotify)processlist_destroy);
 525
 526   process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
 527
 528   return process_list;
 529 }
 530
 531 void processlist_destroy(ProcessList *process_list)
 532 {
 533   g_debug("processlist_destroy %p", process_list);
 534   g_hash_table_destroy(process_list->process_hash);
 535   process_list->process_hash = NULL;
 536   g_ptr_array_free(process_list->index_to_pixmap, TRUE);
 537
 538   g_free(process_list);
 539   g_debug("processlist_destroy end");
 540 }
 541
 542 static gboolean remove_hash_item(ResourceInfo *process_info,
 543                                  HashedResourceData *hashed_process_data,
 544                                  ProcessList *process_list)
 545 {
 546   GtkTreeIter iter;
 547
 548   iter = hashed_process_data->y_iter;
 549
 550   gtk_list_store_remove (process_list->list_store, &iter);
 551   gdk_pixmap_unref(hashed_process_data->pixmap);
 552
 553 // TODO pmf: check this; might be needed
 554 //  if(likely(process_list->current_hash_data != NULL)) {
 555 //    if(likely(hashed_process_data ==
 556 //                process_list->current_hash_data[process_info->trace_num][process_info->cpu]))
 557 //      process_list->current_hash_data[process_info->trace_num][process_info->cpu] = NULL;
 558 //  }
 559   return TRUE; /* remove the element from the hash table */
 560 }
 561
 562 void processlist_clear(ProcessList *process_list)
 563 {
 564   g_info("processlist_clear %p", process_list);
 565
 566   g_hash_table_foreach_remove(process_list->process_hash,
 567                               (GHRFunc)remove_hash_item,
 568                               (gpointer)process_list);
 569   process_list->number_of_process = 0;
 570   update_index_to_pixmap(process_list);
 571 }
 572
 573
 574 GtkWidget *processlist_get_widget(ProcessList *process_list)
 575 {
 576   return process_list->process_list_widget;
 577 }
 578
 579
 580 void destroy_hash_key(gpointer key)
 581 {
 582   g_free(key);
 583 }
 584
 585 void destroy_hash_data(gpointer data)
 586 {
 587   g_free(data);
 588 }
 589
 590
 591 //void processlist_set_name(ProcessList *process_list,
 592 //    GQuark name,
 593 //    HashedResourceData *hashed_process_data)
 594 //{
 595 //  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 596 //        PROCESS_COLUMN, g_quark_to_string(name),
 597 //        -1);
 598 //}
 599 //
 600 //void processlist_set_brand(ProcessList *process_list,
 601 //    GQuark brand,
 602 //    HashedResourceData *hashed_process_data)
 603 //{
 604 //  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 605 //        BRAND_COLUMN, g_quark_to_string(brand),
 606 //        -1);
 607 //}
 608 //
 609 //void processlist_set_tgid(ProcessList *process_list,
 610 //    guint tgid,
 611 //    HashedResourceData *hashed_process_data)
 612 //{
 613 //  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 614 //        TGID_COLUMN, tgid,
 615 //        -1);
 616 //}
 617 //
 618 //void processlist_set_ppid(ProcessList *process_list,
 619 //    guint ppid,
 620 //    HashedResourceData *hashed_process_data)
 621 //{
 622 //  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 623 //        PPID_COLUMN, ppid,
 624 //        -1);
 625 //}
 626
 627 int resourcelist_add(  ProcessList *process_list,
 628       Drawing_t *drawing,
 629 //      guint pid,
 630 //      guint tgid,
 631 //      guint cpu,
 632 //      guint ppid,
 633 //      LttTime *birth,
 634       guint trace_num,
 635       GQuark name,
 636 //      GQuark brand,
 637       guint *height,
 638       ResourceInfo **pm_resource_info,
 639       HashedResourceData **pm_hashed_resource_data)
 640 {
 641   ResourceInfo *Resource_Info = g_new(ResourceInfo, 1);
 642   HashedResourceData *hashed_resource_data = g_new(HashedResourceData, 1);
 643   *pm_hashed_resource_data = hashed_resource_data;
 644   *pm_resource_info = Resource_Info;
 645
 646   Resource_Info->name = name;
 647
 648 //  Process_Info->pid = pid;
 649 //  Process_Info->tgid = tgid;
 650 //  if(pid == 0)
 651 //    Process_Info->cpu = cpu;
 652 //  else
 653 //    Process_Info->cpu = 0;
 654 //  Process_Info->ppid = ppid;
 655 //  Process_Info->birth = *birth;
 656   Resource_Info->trace_num = trace_num;
 657
 658   /* When we create it from before state update, we are sure that the
 659    * last event occured before the beginning of the global area.
 660    *
 661    * If it is created after state update, this value (0) will be
 662    * overriden by the new state before anything is drawn.
 663    *
 664    * There are 3 potential lines for the each process: one in the middle,
 665    * one under it and one over it. The {over,middle,under} fields tell us
 666    * the x pixel on the pixmap where we are. The _used fields tell us
 667    * whether that pixel was used. The _marked field tells us if we marked a
 668    * conflict point.
 669    */
 670   hashed_resource_data->x.over = 0;
 671   hashed_resource_data->x.over_used = FALSE;
 672   hashed_resource_data->x.over_marked = FALSE;
 673   hashed_resource_data->x.middle = 0; // last
 674   hashed_resource_data->x.middle_used = FALSE;
 675   hashed_resource_data->x.middle_marked = FALSE;
 676   hashed_resource_data->x.under = 0;
 677   hashed_resource_data->x.under_used = FALSE;
 678   hashed_resource_data->x.under_marked = FALSE;
 679   hashed_resource_data->next_good_time = ltt_time_zero;
 680
 681   /* Add a new row to the model */
 682   gtk_list_store_append ( process_list->list_store,
 683                           &hashed_resource_data->y_iter);
 684
 685   gtk_list_store_set (  process_list->list_store, &hashed_resource_data->y_iter,
 686         NAME_COLUMN, g_quark_to_string(name),
 687         -1);
 688
 689   g_hash_table_insert(process_list->process_hash,
 690         (gpointer)Resource_Info,
 691         (gpointer)hashed_resource_data);
 692
 693   process_list->number_of_process++; // of resources
 694
 695   hashed_resource_data->height = process_list->cell_height;
 696
 697   g_assert(hashed_resource_data->height != 0);
 698
 699   *height = hashed_resource_data->height * process_list->number_of_process;
 700
 701   hashed_resource_data->pixmap =
 702         gdk_pixmap_new(drawing->drawing_area->window,
 703                        drawing->alloc_width,
 704                        hashed_resource_data->height,
 705                        -1);
 706
 707   // Clear the image with black background
 708   gdk_draw_rectangle (hashed_resource_data->pixmap,
 709         drawing->drawing_area->style->black_gc,
 710         TRUE,
 711         0, 0,
 712         drawing->alloc_width,
 713         hashed_resource_data->height);
 714
 715   update_index_to_pixmap(process_list);
 716
 717   return 0;
 718 }
 719 //int processlist_add(  ProcessList *process_list,
 720 //      Drawing_t *drawing,
 721 //      guint pid,
 722 //      guint tgid,
 723 //      guint cpu,
 724 //      guint ppid,
 725 //      LttTime *birth,
 726 //      guint trace_num,
 727 //      GQuark name,
 728 //      GQuark brand,
 729 //      guint *height,
 730 //      ResourceInfo **pm_process_info,
 731 //      HashedResourceData **pm_hashed_process_data)
 732 //{
 733 //  ResourceInfo *Process_Info = g_new(ResourceInfo, 1);
 734 //  HashedResourceData *hashed_process_data = g_new(HashedResourceData, 1);
 735 //  *pm_hashed_process_data = hashed_process_data;
 736 //  *pm_process_info = Process_Info;
 737 //
 738 //  Process_Info->pid = pid;
 739 //  Process_Info->tgid = tgid;
 740 //  if(pid == 0)
 741 //    Process_Info->cpu = cpu;
 742 //  else
 743 //    Process_Info->cpu = 0;
 744 //  Process_Info->ppid = ppid;
 745 //  Process_Info->birth = *birth;
 746 //  Process_Info->trace_num = trace_num;
 747 //
 748 //  /* When we create it from before state update, we are sure that the
 749 //   * last event occured before the beginning of the global area.
 750 //   *
 751 //   * If it is created after state update, this value (0) will be
 752 //   * overriden by the new state before anything is drawn.
 753 //   */
 754 //  hashed_process_data->x.over = 0;
 755 //  hashed_process_data->x.over_used = FALSE;
 756 //  hashed_process_data->x.over_marked = FALSE;
 757 //  hashed_process_data->x.middle = 0;
 758 //  hashed_process_data->x.middle_used = FALSE;
 759 //  hashed_process_data->x.middle_marked = FALSE;
 760 //  hashed_process_data->x.under = 0;
 761 //  hashed_process_data->x.under_used = FALSE;
 762 //  hashed_process_data->x.under_marked = FALSE;
 763 //  hashed_process_data->next_good_time = ltt_time_zero;
 764 //
 765 //  /* Add a new row to the model */
 766 //  gtk_list_store_append ( process_list->list_store,
 767 //                          &hashed_process_data->y_iter);
 768 //
 769 //  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 770 //        PROCESS_COLUMN, g_quark_to_string(name),
 771 //        BRAND_COLUMN, g_quark_to_string(brand),
 772 //        PID_COLUMN, pid,
 773 //        TGID_COLUMN, tgid,
 774 //        PPID_COLUMN, ppid,
 775 //        CPU_COLUMN, cpu,
 776 //        BIRTH_S_COLUMN, birth->tv_sec,
 777 //        BIRTH_NS_COLUMN, birth->tv_nsec,
 778 //        TRACE_COLUMN, trace_num,
 779 //        -1);
 780 //  //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
 781 //  //                        GTK_TREE_MODEL(process_list->list_store));
 782 //  //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
 783 //
 784 //  g_hash_table_insert(process_list->process_hash,
 785 //        (gpointer)Process_Info,
 786 //        (gpointer)hashed_process_data);
 787 //
 788 //  process_list->number_of_process++;
 789 //
 790 //  hashed_process_data->height = process_list->cell_height;
 791 //
 792 //  g_assert(hashed_process_data->height != 0);
 793 //
 794 //  *height = hashed_process_data->height * process_list->number_of_process;
 795 //
 796 //  hashed_process_data->pixmap =
 797 //        gdk_pixmap_new(drawing->drawing_area->window,
 798 //                       drawing->alloc_width,
 799 //                       hashed_process_data->height,
 800 //                       -1);
 801 //
 802 //  // Clear the image
 803 //  gdk_draw_rectangle (hashed_process_data->pixmap,
 804 //        drawing->drawing_area->style->black_gc,
 805 //        TRUE,
 806 //        0, 0,
 807 //        drawing->alloc_width,
 808 //        hashed_process_data->height);
 809 //
 810 //  update_index_to_pixmap(process_list);
 811 //
 812 //
 813 //  return 0;
 814 //}
 815
 816 // TODO pmf: make this work once again
 817 //int processlist_remove( ProcessList *process_list,
 818 //      guint pid,
 819 //      guint cpu,
 820 //      LttTime *birth,
 821 //      guint trace_num)
 822 //{
 823 //  ResourceInfo process_info;
 824 //  HashedResourceData *hashed_process_data;
 825 //  GtkTreeIter iter;
 826 //
 827 //  process_info.pid = pid;
 828 //  if(pid == 0)
 829 //    process_info.cpu = cpu;
 830 //  else
 831 //    process_info.cpu = 0;
 832 //  process_info.birth = *birth;
 833 //  process_info.trace_num = trace_num;
 834 //
 835 //
 836 //  hashed_process_data =
 837 //    (HashedResourceData*)g_hash_table_lookup(
 838 //          process_list->process_hash,
 839 //          &process_info);
 840 //  if(likely(hashed_process_data != NULL))
 841 //  {
 842 //    iter = hashed_process_data->y_iter;
 843 //
 844 //    gtk_list_store_remove (process_list->list_store, &iter);
 845 //
 846 //    g_hash_table_remove(process_list->process_hash,
 847 //        &process_info);
 848 //
 849 //    if(likely(process_list->current_hash_data != NULL)) {
 850 //      if(likely(hashed_process_data == process_list->current_hash_data[trace_num][cpu])) {
 851 //        process_list->current_hash_data[trace_num][cpu] = NULL;
 852 //      }
 853 //    }
 854 //
 855 //    gdk_pixmap_unref(hashed_process_data->pixmap);
 856 //
 857 //    update_index_to_pixmap(process_list);
 858 //
 859 //    process_list->number_of_process--;
 860 //
 861 //    return 0;
 862 //  } else {
 863 //    return 1;
 864 //  }
 865 //}
 866
 867
 868 #if 0
 869 static inline guint get_cpu_number_from_name(GQuark name)
 870 {
 871   const gchar *string;
 872   char *begin;
 873   guint cpu;
 874
 875   string = g_quark_to_string(name);
 876
 877   begin = strrchr(string, '/');
 878   begin++;
 879
 880   g_assert(begin != '\0');
 881
 882   cpu = strtoul(begin, NULL, 10);
 883
 884   return cpu;
 885 }
 886 #endif //0