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   //TODO ybrosseau 2012-09-18 Check if we want to reenable birth comparision
 137   // We currently do not have valid birth info, so don't compare it
 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 void destroy_hash_key(gpointer key);
 147
 148 void destroy_hash_data(gpointer data);
 149
 150
 151 gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 152 {
 153   ControlFlowData *control_flow_data =
 154       (ControlFlowData*)g_object_get_data(
 155                 G_OBJECT(widget),
 156                 "control_flow_data");
 157   unsigned int cell_height =
 158       get_cell_height(GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
 159
 160   switch(event->direction) {
 161     case GDK_SCROLL_UP:
 162       gtk_adjustment_set_value(control_flow_data->v_adjust,
 163         gtk_adjustment_get_value(control_flow_data->v_adjust) - cell_height);
 164       break;
 165     case GDK_SCROLL_DOWN:
 166       gtk_adjustment_set_value(control_flow_data->v_adjust,
 167         gtk_adjustment_get_value(control_flow_data->v_adjust) + cell_height);
 168       break;
 169     default:
 170       g_error("should only scroll up and down.");
 171   }
 172   return TRUE;
 173 }
 174
 175
 176 static void update_index_to_pixmap_each(ProcessInfo *key,
 177                                         HashedProcessData *value,
 178                                         ProcessList *process_list)
 179 {
 180   guint array_index = processlist_get_index_from_data(process_list, value);
 181
 182   g_assert(array_index < process_list->index_to_pixmap->len);
 183
 184   GdkPixmap **pixmap =
 185     (GdkPixmap**)&g_ptr_array_index(process_list->index_to_pixmap, array_index);
 186
 187   *pixmap = value->pixmap;
 188 }
 189
 190
 191 void update_index_to_pixmap(ProcessList *process_list)
 192 {
 193   g_ptr_array_set_size(process_list->index_to_pixmap,
 194                        g_hash_table_size(process_list->process_hash));
 195   g_hash_table_foreach(process_list->process_hash,
 196                        (GHFunc)update_index_to_pixmap_each,
 197                        process_list);
 198 }
 199
 200
 201 static void update_pixmap_size_each(ProcessInfo *key,
 202                                     HashedProcessData *value,
 203                                     guint width)
 204 {
 205   GdkPixmap *old_pixmap = value->pixmap;
 206
 207   value->pixmap =
 208         gdk_pixmap_new(old_pixmap,
 209                        width,
 210                        value->height,
 211                        -1);
 212
 213   gdk_pixmap_unref(old_pixmap);
 214 }
 215
 216
 217 void update_pixmap_size(ProcessList *process_list, guint width)
 218 {
 219   g_hash_table_foreach(process_list->process_hash,
 220                        (GHFunc)update_pixmap_size_each,
 221                        GUINT_TO_POINTER(width));
 222 }
 223
 224
 225 typedef struct _CopyPixmap {
 226   GdkDrawable *dest;
 227   GdkGC *gc;
 228   GdkDrawable *src;
 229   gint xsrc, ysrc, xdest, ydest, width, height;
 230 } CopyPixmap;
 231
 232 static void copy_pixmap_region_each(ProcessInfo *key,
 233                                     HashedProcessData *value,
 234                                     CopyPixmap *cp)
 235 {
 236   GdkPixmap *src = cp->src;
 237   GdkPixmap *dest = cp->dest;
 238
 239   if(dest == NULL)
 240     dest = value->pixmap;
 241   if(src == NULL)
 242     src = value->pixmap;
 243
 244   gdk_draw_drawable (dest,
 245       cp->gc,
 246       src,
 247       cp->xsrc, cp->ysrc,
 248       cp->xdest, cp->ydest,
 249       cp->width, cp->height);
 250 }
 251
 252
 253
 254
 255 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 256     GdkGC *gc, GdkDrawable *src,
 257     gint xsrc, gint ysrc,
 258     gint xdest, gint ydest, gint width, gint height)
 259 {
 260   CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
 261
 262   g_hash_table_foreach(process_list->process_hash,
 263                        (GHFunc)copy_pixmap_region_each,
 264                        &cp);
 265 }
 266
 267
 268
 269 typedef struct _RectanglePixmap {
 270   gboolean filled;
 271   gint x, y, width, height;
 272   GdkGC *gc;
 273 } RectanglePixmap;
 274
 275 static void rectangle_pixmap_each(ProcessInfo *key,
 276                                   HashedProcessData *value,
 277                                   RectanglePixmap *rp)
 278 {
 279   if(rp->height == -1)
 280     rp->height = value->height;
 281
 282   gdk_draw_rectangle (value->pixmap,
 283       rp->gc,
 284       rp->filled,
 285       rp->x, rp->y,
 286       rp->width, rp->height);
 287 }
 288
 289
 290
 291
 292 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 293     gboolean filled, gint x, gint y, gint width, gint height)
 294 {
 295   RectanglePixmap rp = { filled, x, y, width, height, gc };
 296
 297   g_hash_table_foreach(process_list->process_hash,
 298                        (GHFunc)rectangle_pixmap_each,
 299                        &rp);
 300 }
 301
 302
 303 /* Renders each pixmaps into on big drawable */
 304 void copy_pixmap_to_screen(ProcessList *process_list,
 305     GdkDrawable *dest,
 306     GdkGC *gc,
 307     gint x, gint y,
 308     gint width, gint height)
 309 {
 310   if(process_list->index_to_pixmap->len == 0) return;
 311   guint cell_height = process_list->cell_height;
 312
 313   /* Get indexes */
 314   gint begin = floor(y/(double)cell_height);
 315   gint end = MIN(ceil((y+height)/(double)cell_height),
 316                  process_list->index_to_pixmap->len);
 317   gint i;
 318
 319   for(i=begin; i<end; i++) {
 320     g_assert(i<process_list->index_to_pixmap->len);
 321     /* Render the pixmap to the screen */
 322     GdkPixmap *pixmap =
 323       //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
 324       GDK_PIXMAP(g_ptr_array_index(process_list->index_to_pixmap, i));
 325
 326     gdk_draw_drawable (dest,
 327         gc,
 328         pixmap,
 329         x, 0,
 330         x, i*cell_height,
 331         width, cell_height);
 332
 333   }
 334
 335
 336 }
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346 ProcessList *processlist_construct(void)
 347 {
 348   GtkTreeViewColumn *column;
 349   GtkCellRenderer *renderer;
 350
 351   ProcessList* process_list = g_new(ProcessList,1);
 352
 353   process_list->number_of_process = 0;
 354
 355   process_list->current_hash_data = NULL;
 356
 357   /* Create the Process list */
 358   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 359               G_TYPE_STRING,
 360               G_TYPE_STRING,
 361               G_TYPE_UINT,
 362               G_TYPE_UINT,
 363               G_TYPE_UINT,
 364               G_TYPE_UINT,
 365               G_TYPE_ULONG,
 366               G_TYPE_ULONG,
 367               G_TYPE_UINT);
 368
 369
 370   process_list->process_list_widget =
 371     gtk_tree_view_new_with_model
 372     (GTK_TREE_MODEL (process_list->list_store));
 373
 374   g_object_unref (G_OBJECT (process_list->list_store));
 375
 376   gtk_tree_sortable_set_default_sort_func(
 377       GTK_TREE_SORTABLE(process_list->list_store),
 378       process_sort_func,
 379       NULL,
 380       NULL);
 381
 382
 383   gtk_tree_sortable_set_sort_column_id(
 384       GTK_TREE_SORTABLE(process_list->list_store),
 385       GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 386       GTK_SORT_ASCENDING);
 387
 388
 389   process_list->process_hash = g_hash_table_new_full(
 390       process_list_hash_fct, process_list_equ_fct,
 391       destroy_hash_key, destroy_hash_data
 392       );
 393
 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   /* Add a temporary row to the model to get the cell size when the first
 405    * real process is added. */
 406   GtkTreeIter iter;
 407   GtkTreePath *path;
 408   path = gtk_tree_path_new_first();
 409   gtk_tree_model_get_iter (gtk_tree_view_get_model(GTK_TREE_VIEW(process_list->process_list_widget)), &iter, path);
 410   gtk_list_store_append(process_list->list_store, &iter);
 411   gtk_tree_path_free(path);
 412
 413   process_list->cell_height = 0;        // not ready to get size yet.
 414
 415   column = gtk_tree_view_column_new_with_attributes ( "Process",
 416                 renderer,
 417                 "text",
 418                 PROCESS_COLUMN,
 419                 NULL);
 420   gtk_tree_view_column_set_alignment (column, 0.0);
 421   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 422   gtk_tree_view_column_set_resizable(column, TRUE);
 423   gtk_tree_view_append_column (
 424     GTK_TREE_VIEW (process_list->process_list_widget), column);
 425
 426   process_list->button = column->button;
 427
 428   column = gtk_tree_view_column_new_with_attributes ( "Brand",
 429                 renderer,
 430                 "text",
 431                 BRAND_COLUMN,
 432                 NULL);
 433   gtk_tree_view_column_set_alignment (column, 0.0);
 434   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 435   gtk_tree_view_column_set_resizable(column, TRUE);
 436   gtk_tree_view_append_column (
 437     GTK_TREE_VIEW (process_list->process_list_widget), column);
 438
 439   column = gtk_tree_view_column_new_with_attributes ( "PID",
 440                 renderer,
 441                 "text",
 442                 PID_COLUMN,
 443                 NULL);
 444   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 445   gtk_tree_view_column_set_resizable(column, TRUE);
 446   gtk_tree_view_append_column (
 447     GTK_TREE_VIEW (process_list->process_list_widget), column);
 448
 449   column = gtk_tree_view_column_new_with_attributes ( "TGID",
 450                 renderer,
 451                 "text",
 452                 TGID_COLUMN,
 453                 NULL);
 454   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 455   gtk_tree_view_column_set_resizable(column, TRUE);
 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 ( "PPID",
 460                 renderer,
 461                 "text",
 462                 PPID_COLUMN,
 463                 NULL);
 464   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 465   gtk_tree_view_column_set_resizable(column, TRUE);
 466   gtk_tree_view_append_column (
 467     GTK_TREE_VIEW (process_list->process_list_widget), column);
 468
 469   column = gtk_tree_view_column_new_with_attributes ( "CPU",
 470                 renderer,
 471                 "text",
 472                 CPU_COLUMN,
 473                 NULL);
 474   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 475   gtk_tree_view_column_set_resizable(column, TRUE);
 476   gtk_tree_view_append_column (
 477     GTK_TREE_VIEW (process_list->process_list_widget), column);
 478
 479   column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
 480                 renderer,
 481                 "text",
 482                 BIRTH_S_COLUMN,
 483                 NULL);
 484   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 485   gtk_tree_view_column_set_resizable(column, TRUE);
 486   gtk_tree_view_append_column (
 487     GTK_TREE_VIEW (process_list->process_list_widget), column);
 488
 489   //gtk_tree_view_column_set_visible(column, 0);
 490   //
 491   column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 492                 renderer,
 493                 "text",
 494                 BIRTH_NS_COLUMN,
 495                 NULL);
 496   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 497   gtk_tree_view_column_set_resizable(column, TRUE);
 498   gtk_tree_view_append_column (
 499     GTK_TREE_VIEW (process_list->process_list_widget), column);
 500
 501   column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 502                 renderer,
 503                 "text",
 504                 TRACE_COLUMN,
 505                 NULL);
 506   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 507   gtk_tree_view_column_set_resizable(column, TRUE);
 508   gtk_tree_view_append_column (
 509     GTK_TREE_VIEW (process_list->process_list_widget), column);
 510
 511
 512   //gtk_tree_view_column_set_visible(column, 0);
 513
 514   g_object_set_data_full(
 515       G_OBJECT(process_list->process_list_widget),
 516       "process_list_Data",
 517       process_list,
 518       (GDestroyNotify)processlist_destroy);
 519
 520   process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
 521
 522   return process_list;
 523 }
 524
 525 void processlist_destroy(ProcessList *process_list)
 526 {
 527   g_debug("processlist_destroy %p", process_list);
 528   g_hash_table_destroy(process_list->process_hash);
 529   process_list->process_hash = NULL;
 530   g_ptr_array_free(process_list->index_to_pixmap, TRUE);
 531
 532   g_free(process_list);
 533   g_debug("processlist_destroy end");
 534 }
 535
 536 static gboolean remove_hash_item(ProcessInfo *process_info,
 537                                  HashedProcessData *hashed_process_data,
 538                                  ProcessList *process_list)
 539 {
 540   GtkTreeIter iter;
 541
 542   iter = hashed_process_data->y_iter;
 543
 544   gtk_list_store_remove (process_list->list_store, &iter);
 545   gdk_pixmap_unref(hashed_process_data->pixmap);
 546
 547   if(likely(process_list->current_hash_data != NULL)) {
 548     if(likely(hashed_process_data ==
 549                 process_list->current_hash_data[process_info->trace_num][process_info->cpu]))
 550       process_list->current_hash_data[process_info->trace_num][process_info->cpu] = NULL;
 551   }
 552   return TRUE; /* remove the element from the hash table */
 553 }
 554
 555 void processlist_clear(ProcessList *process_list)
 556 {
 557   g_info("processlist_clear %p", process_list);
 558
 559   g_hash_table_foreach_remove(process_list->process_hash,
 560                               (GHRFunc)remove_hash_item,
 561                               (gpointer)process_list);
 562   process_list->number_of_process = 0;
 563   update_index_to_pixmap(process_list);
 564 }
 565
 566
 567 GtkWidget *processlist_get_widget(ProcessList *process_list)
 568 {
 569   return process_list->process_list_widget;
 570 }
 571
 572
 573 void destroy_hash_key(gpointer key)
 574 {
 575   g_free(key);
 576 }
 577
 578 void destroy_hash_data(gpointer data)
 579 {
 580   g_free(data);
 581 }
 582
 583
 584 void processlist_set_name(ProcessList *process_list,
 585     GQuark name,
 586     HashedProcessData *hashed_process_data)
 587 {
 588   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 589         PROCESS_COLUMN, g_quark_to_string(name),
 590         -1);
 591 }
 592
 593 void processlist_set_brand(ProcessList *process_list,
 594     GQuark brand,
 595     HashedProcessData *hashed_process_data)
 596 {
 597   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 598         BRAND_COLUMN, g_quark_to_string(brand),
 599         -1);
 600 }
 601
 602 void processlist_set_tgid(ProcessList *process_list,
 603     guint tgid,
 604     HashedProcessData *hashed_process_data)
 605 {
 606   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 607         TGID_COLUMN, tgid,
 608         -1);
 609 }
 610
 611 void processlist_set_ppid(ProcessList *process_list,
 612     guint ppid,
 613     HashedProcessData *hashed_process_data)
 614 {
 615   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 616         PPID_COLUMN, ppid,
 617         -1);
 618 }
 619
 620
 621 int processlist_add(  ProcessList *process_list,
 622       Drawing_t *drawing,
 623       guint pid,
 624       guint tgid,
 625       guint cpu,
 626       guint ppid,
 627       LttTime *birth,
 628       guint trace_num,
 629       GQuark name,
 630       GQuark brand,
 631       guint *height,
 632       ProcessInfo **pm_process_info,
 633       HashedProcessData **pm_hashed_process_data)
 634 {
 635   ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 636   HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 637   *pm_hashed_process_data = hashed_process_data;
 638   *pm_process_info = Process_Info;
 639
 640   Process_Info->pid = pid;
 641   Process_Info->tgid = tgid;
 642   if(pid == 0)
 643     Process_Info->cpu = cpu;
 644   else
 645     Process_Info->cpu = 0;
 646   Process_Info->ppid = ppid;
 647   Process_Info->birth = *birth;
 648   Process_Info->trace_num = trace_num;
 649
 650   /* When we create it from before state update, we are sure that the
 651    * last event occured before the beginning of the global area.
 652    *
 653    * If it is created after state update, this value (0) will be
 654    * overriden by the new state before anything is drawn.
 655    */
 656   hashed_process_data->x.over = 0;
 657   hashed_process_data->x.over_used = FALSE;
 658   hashed_process_data->x.over_marked = FALSE;
 659   hashed_process_data->x.middle = 0;
 660   hashed_process_data->x.middle_used = FALSE;
 661   hashed_process_data->x.middle_marked = FALSE;
 662   hashed_process_data->x.under = 0;
 663   hashed_process_data->x.under_used = FALSE;
 664   hashed_process_data->x.under_marked = FALSE;
 665   hashed_process_data->next_good_time = ltt_time_zero;
 666
 667   if (process_list->cell_height == 0) {
 668     GtkTreePath *path;
 669     GdkRectangle rect;
 670     GtkTreeIter iter;
 671
 672     path = gtk_tree_path_new_first();
 673     gtk_tree_model_get_iter (gtk_tree_view_get_model(GTK_TREE_VIEW(process_list->process_list_widget)), &iter, path);
 674     gtk_tree_view_get_background_area(
 675       GTK_TREE_VIEW(process_list->process_list_widget),
 676       path, NULL, &rect);
 677     gtk_list_store_remove(process_list->list_store, &iter);
 678     gtk_tree_path_free (path);
 679     process_list->cell_height = rect.height;
 680   }
 681
 682   /* Add a new row to the model */
 683   gtk_list_store_append ( process_list->list_store,
 684                           &hashed_process_data->y_iter);
 685
 686   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 687         PROCESS_COLUMN, g_quark_to_string(name),
 688         BRAND_COLUMN, g_quark_to_string(brand),
 689         PID_COLUMN, pid,
 690         TGID_COLUMN, tgid,
 691         PPID_COLUMN, ppid,
 692         CPU_COLUMN, cpu,
 693         BIRTH_S_COLUMN, birth->tv_sec,
 694         BIRTH_NS_COLUMN, birth->tv_nsec,
 695         TRACE_COLUMN, trace_num,
 696         -1);
 697   //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
 698   //                        GTK_TREE_MODEL(process_list->list_store));
 699   //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
 700
 701   g_hash_table_insert(process_list->process_hash,
 702         (gpointer)Process_Info,
 703         (gpointer)hashed_process_data);
 704
 705   process_list->number_of_process++;
 706 #if 0
 707   GtkTreePath *path;
 708   GdkRectangle rect;
 709   gtk_widget_queue_draw(process_list->process_list_widget);
 710   path = gtk_tree_path_new_first();
 711   gtk_tree_view_get_background_area(GTK_TREE_VIEW(process_list->process_list_widget),
 712     path, NULL, &rect);
 713   gtk_tree_path_free (path);
 714   process_list->cell_height = rect.height;
 715 #endif //0
 716
 717
 718   hashed_process_data->height = process_list->cell_height;
 719   g_assert(hashed_process_data->height != 0);
 720
 721   *height = hashed_process_data->height * process_list->number_of_process;
 722
 723   hashed_process_data->pixmap =
 724         gdk_pixmap_new(drawing->drawing_area->window,
 725                        drawing->alloc_width,
 726                        hashed_process_data->height,
 727                        -1);
 728
 729   // Clear the image
 730   gdk_draw_rectangle (hashed_process_data->pixmap,
 731         drawing->drawing_area->style->black_gc,
 732         TRUE,
 733         0, 0,
 734         drawing->alloc_width,
 735         hashed_process_data->height);
 736
 737   update_index_to_pixmap(process_list);
 738
 739
 740   return 0;
 741 }
 742
 743 int processlist_remove( ProcessList *process_list,
 744       guint pid,
 745       guint cpu,
 746       LttTime *birth,
 747       guint trace_num)
 748 {
 749   ProcessInfo process_info;
 750   HashedProcessData *hashed_process_data;
 751   GtkTreeIter iter;
 752
 753   process_info.pid = pid;
 754   if(pid == 0)
 755     process_info.cpu = cpu;
 756   else
 757     process_info.cpu = 0;
 758   process_info.birth = *birth;
 759   process_info.trace_num = trace_num;
 760
 761
 762   hashed_process_data =
 763     (HashedProcessData*)g_hash_table_lookup(
 764           process_list->process_hash,
 765           &process_info);
 766   if(likely(hashed_process_data != NULL))
 767   {
 768     iter = hashed_process_data->y_iter;
 769
 770     gtk_list_store_remove (process_list->list_store, &iter);
 771
 772     g_hash_table_remove(process_list->process_hash,
 773         &process_info);
 774
 775     if(likely(process_list->current_hash_data != NULL)) {
 776       if(likely(hashed_process_data == process_list->current_hash_data[trace_num][cpu])) {
 777         process_list->current_hash_data[trace_num][cpu] = NULL;
 778       }
 779     }
 780
 781     gdk_pixmap_unref(hashed_process_data->pixmap);
 782
 783     update_index_to_pixmap(process_list);
 784
 785     process_list->number_of_process--;
 786
 787     return 0;
 788   } else {
 789     return 1;
 790   }
 791 }
 792
 793
 794 #if 0
 795 static inline guint get_cpu_number_from_name(GQuark name)
 796 {
 797   const gchar *string;
 798   char *begin;
 799   guint cpu;
 800
 801   string = g_quark_to_string(name);
 802
 803   begin = strrchr(string, '/');
 804   begin++;
 805
 806   g_assert(begin != '\0');
 807
 808   cpu = strtoul(begin, NULL, 10);
 809
 810   return cpu;
 811 }
 812 #endif //0