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