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 #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 process_sort_func  ( GtkTreeModel *model,
  46         GtkTreeIter *it_a,
  47         GtkTreeIter *it_b,
  48         gpointer user_data)
  49 {
  50   gchar *a_name;
  51   guint a_pid, a_ppid, a_cpu;
  52   gulong a_birth_s, a_birth_ns;
  53   gulong a_trace;
  54
  55   gchar *b_name;
  56   guint b_pid, b_ppid, b_cpu;
  57   gulong b_birth_s, b_birth_ns;
  58   gulong b_trace;
  59
  60   gtk_tree_model_get(model,
  61            it_a,
  62            0, &a_name,
  63            1, &a_pid,
  64            2, &a_ppid,
  65            3, &a_cpu,
  66            4, &a_birth_s,
  67            5, &a_birth_ns,
  68            6, &a_trace,
  69            -1);
  70
  71   gtk_tree_model_get(model,
  72            it_b,
  73            0, &b_name,
  74            1, &b_pid,
  75            2, &b_ppid,
  76            3, &b_cpu,
  77            4, &b_birth_s,
  78            5, &b_birth_ns,
  79            6, &b_trace,
  80            -1);
  81
  82
  83   /* Order by PID */
  84   if(a_pid == 0 &&  b_pid == 0) {
  85     /* If 0, order by CPU */
  86     if(a_cpu > b_cpu) return 1;
  87     if(a_cpu < b_cpu) return -1;
  88
  89   } else { /* if not 0, order by pid */
  90
  91     if(a_pid > b_pid) return 1;
  92     if(a_pid < b_pid) return -1;
  93   }
  94
  95   /* Order by birth second */
  96
  97   if(a_birth_s > b_birth_s) return 1;
  98   if(a_birth_s < b_birth_s) return -1;
  99
 100
 101   /* Order by birth nanosecond */
 102   if(a_birth_ns > b_birth_ns) return 1;
 103   if(a_birth_ns < b_birth_ns) return -1;
 104
 105   /* Order by trace_num */
 106   if(a_trace > b_trace) return 1;
 107   if(a_trace < b_trace) return -1;
 108
 109   return 0;
 110
 111 }
 112
 113 static guint process_list_hash_fct(gconstpointer key)
 114 {
 115   guint pid = ((const ProcessInfo*)key)->pid;
 116   return ((pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ^ ((const ProcessInfo*)key)->cpu);
 117 }
 118
 119 /* If hash is good, should be different */
 120 static gboolean process_list_equ_fct(gconstpointer a, gconstpointer b)
 121 {
 122   const ProcessInfo *pa = (const ProcessInfo*)a;
 123   const ProcessInfo *pb = (const ProcessInfo*)b;
 124
 125   gboolean ret = TRUE;
 126
 127   if(likely(pa->pid != pb->pid))
 128     ret = FALSE;
 129   if(likely((pa->pid == 0 && (pa->cpu != pb->cpu))))
 130     ret = FALSE;
 131   if(unlikely(ltt_time_compare(pa->birth, pb->birth) != 0))
 132     ret = FALSE;
 133   if(unlikely(pa->trace_num != pb->trace_num))
 134     ret = FALSE;
 135
 136   return ret;
 137 }
 138
 139 void destroy_hash_key(gpointer key);
 140
 141 void destroy_hash_data(gpointer data);
 142
 143
 144 gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 145 {
 146   ControlFlowData *control_flow_data =
 147       (ControlFlowData*)g_object_get_data(
 148                 G_OBJECT(widget),
 149                 "control_flow_data");
 150   Drawing_t *drawing = control_flow_data->drawing;
 151         unsigned int cell_height =
 152                 get_cell_height(GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
 153
 154   switch(event->direction) {
 155     case GDK_SCROLL_UP:
 156       gtk_adjustment_set_value(control_flow_data->v_adjust,
 157         gtk_adjustment_get_value(control_flow_data->v_adjust) - cell_height);
 158       break;
 159     case GDK_SCROLL_DOWN:
 160       gtk_adjustment_set_value(control_flow_data->v_adjust,
 161         gtk_adjustment_get_value(control_flow_data->v_adjust) + cell_height);
 162       break;
 163     default:
 164       g_error("should only scroll up and down.");
 165   }
 166         return TRUE;
 167 }
 168
 169
 170 static void update_index_to_pixmap_each(ProcessInfo *key,
 171                                         HashedProcessData *value,
 172                                         ProcessList *process_list)
 173 {
 174   guint array_index = processlist_get_index_from_data(process_list, value);
 175
 176   g_assert(array_index < process_list->index_to_pixmap->len);
 177
 178   GdkPixmap **pixmap =
 179     (GdkPixmap**)&g_ptr_array_index(process_list->index_to_pixmap, array_index);
 180
 181   *pixmap = value->pixmap;
 182 }
 183
 184
 185 void update_index_to_pixmap(ProcessList *process_list)
 186 {
 187   g_ptr_array_set_size(process_list->index_to_pixmap,
 188                        g_hash_table_size(process_list->process_hash));
 189   g_hash_table_foreach(process_list->process_hash,
 190                        (GHFunc)update_index_to_pixmap_each,
 191                        process_list);
 192 }
 193
 194
 195 static void update_pixmap_size_each(ProcessInfo *key,
 196                                     HashedProcessData *value,
 197                                     guint width)
 198 {
 199   GdkPixmap *old_pixmap = value->pixmap;
 200
 201   value->pixmap =
 202         gdk_pixmap_new(old_pixmap,
 203                        width,
 204                        value->height,
 205                        -1);
 206
 207   gdk_pixmap_unref(old_pixmap);
 208 }
 209
 210
 211 void update_pixmap_size(ProcessList *process_list, guint width)
 212 {
 213   g_hash_table_foreach(process_list->process_hash,
 214                        (GHFunc)update_pixmap_size_each,
 215                        (gpointer)width);
 216 }
 217
 218
 219 typedef struct _CopyPixmap {
 220   GdkDrawable *dest;
 221   GdkGC *gc;
 222   GdkDrawable *src;
 223   gint xsrc, ysrc, xdest, ydest, width, height;
 224 } CopyPixmap;
 225
 226 static void copy_pixmap_region_each(ProcessInfo *key,
 227                                     HashedProcessData *value,
 228                                     CopyPixmap *cp)
 229 {
 230   GdkPixmap *src = cp->src;
 231   GdkPixmap *dest = cp->dest;
 232
 233   if(dest == NULL)
 234     dest = value->pixmap;
 235   if(src == NULL)
 236     src = value->pixmap;
 237
 238   gdk_draw_drawable (dest,
 239       cp->gc,
 240       src,
 241       cp->xsrc, cp->ysrc,
 242       cp->xdest, cp->ydest,
 243       cp->width, cp->height);
 244 }
 245
 246
 247
 248
 249 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 250     GdkGC *gc, GdkDrawable *src,
 251     gint xsrc, gint ysrc,
 252     gint xdest, gint ydest, gint width, gint height)
 253 {
 254   CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
 255
 256   g_hash_table_foreach(process_list->process_hash,
 257                        (GHFunc)copy_pixmap_region_each,
 258                        &cp);
 259 }
 260
 261
 262
 263 typedef struct _RectanglePixmap {
 264   gboolean filled;
 265   gint x, y, width, height;
 266   GdkGC *gc;
 267 } RectanglePixmap;
 268
 269 static void rectangle_pixmap_each(ProcessInfo *key,
 270                                   HashedProcessData *value,
 271                                   RectanglePixmap *rp)
 272 {
 273   if(rp->height == -1)
 274     rp->height = value->height;
 275
 276   gdk_draw_rectangle (value->pixmap,
 277       rp->gc,
 278       rp->filled,
 279       rp->x, rp->y,
 280       rp->width, rp->height);
 281 }
 282
 283
 284
 285
 286 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 287     gboolean filled, gint x, gint y, gint width, gint height)
 288 {
 289   RectanglePixmap rp = { filled, x, y, width, height, gc };
 290
 291   g_hash_table_foreach(process_list->process_hash,
 292                        (GHFunc)rectangle_pixmap_each,
 293                        &rp);
 294 }
 295
 296
 297 /* Renders each pixmaps into on big drawable */
 298 void copy_pixmap_to_screen(ProcessList *process_list,
 299     GdkDrawable *dest,
 300     GdkGC *gc,
 301     gint x, gint y,
 302     gint width, gint height)
 303 {
 304   if(process_list->index_to_pixmap->len == 0) return;
 305   guint cell_height = process_list->cell_height;
 306
 307   /* Get indexes */
 308   gint begin = floor(y/(double)cell_height);
 309   gint end = MIN(ceil((y+height)/(double)cell_height),
 310                  process_list->index_to_pixmap->len);
 311   gint i;
 312
 313   for(i=begin; i<end; i++) {
 314     g_assert(i<process_list->index_to_pixmap->len);
 315     /* Render the pixmap to the screen */
 316     GdkPixmap *pixmap =
 317       //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
 318       GDK_PIXMAP(g_ptr_array_index(process_list->index_to_pixmap, i));
 319
 320     gdk_draw_drawable (dest,
 321         gc,
 322         pixmap,
 323         x, 0,
 324         x, i*cell_height,
 325         width, cell_height);
 326
 327   }
 328
 329
 330 }
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340 ProcessList *processlist_construct(void)
 341 {
 342   GtkTreeViewColumn *column;
 343   GtkCellRenderer *renderer;
 344
 345   ProcessList* process_list = g_new(ProcessList,1);
 346
 347   process_list->number_of_process = 0;
 348
 349   process_list->current_hash_data = NULL;
 350
 351   /* Create the Process list */
 352   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 353               G_TYPE_STRING,
 354               G_TYPE_STRING,
 355               G_TYPE_UINT,
 356               G_TYPE_UINT,
 357               G_TYPE_UINT,
 358               G_TYPE_ULONG,
 359               G_TYPE_ULONG,
 360               G_TYPE_ULONG);
 361
 362
 363   process_list->process_list_widget =
 364     gtk_tree_view_new_with_model
 365     (GTK_TREE_MODEL (process_list->list_store));
 366
 367   g_object_unref (G_OBJECT (process_list->list_store));
 368
 369   gtk_tree_sortable_set_default_sort_func(
 370       GTK_TREE_SORTABLE(process_list->list_store),
 371       process_sort_func,
 372       NULL,
 373       NULL);
 374
 375
 376   gtk_tree_sortable_set_sort_column_id(
 377       GTK_TREE_SORTABLE(process_list->list_store),
 378       GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 379       GTK_SORT_ASCENDING);
 380
 381
 382   process_list->process_hash = g_hash_table_new_full(
 383       process_list_hash_fct, process_list_equ_fct,
 384       destroy_hash_key, destroy_hash_data
 385       );
 386
 387
 388   gtk_tree_view_set_headers_visible(
 389     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 390
 391   /* Create a column, associating the "text" attribute of the
 392    * cell_renderer to the first column of the model */
 393   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 394   renderer = gtk_cell_renderer_text_new ();
 395   process_list->renderer = renderer;
 396
 397         gint vertical_separator;
 398         gtk_widget_style_get (GTK_WIDGET (process_list->process_list_widget),
 399                         "vertical-separator", &vertical_separator,
 400                         NULL);
 401   gtk_cell_renderer_get_size(renderer,
 402       GTK_WIDGET(process_list->process_list_widget),
 403       NULL,
 404       NULL,
 405       NULL,
 406       NULL,
 407       &process_list->cell_height);
 408
 409 #if GTK_CHECK_VERSION(2,4,15)
 410   guint ypad;
 411   g_object_get(G_OBJECT(renderer), "ypad", &ypad, NULL);
 412
 413   process_list->cell_height += ypad;
 414 #endif
 415   process_list->cell_height += vertical_separator;
 416
 417
 418   column = gtk_tree_view_column_new_with_attributes ( "Process",
 419                 renderer,
 420                 "text",
 421                 PROCESS_COLUMN,
 422                 NULL);
 423   gtk_tree_view_column_set_alignment (column, 0.0);
 424   gtk_tree_view_column_set_fixed_width (column, 45);
 425   gtk_tree_view_append_column (
 426     GTK_TREE_VIEW (process_list->process_list_widget), column);
 427
 428   process_list->button = column->button;
 429
 430   column = gtk_tree_view_column_new_with_attributes ( "Brand",
 431                 renderer,
 432                 "text",
 433                 BRAND_COLUMN,
 434                 NULL);
 435   gtk_tree_view_column_set_alignment (column, 0.0);
 436   gtk_tree_view_column_set_fixed_width (column, 45);
 437   gtk_tree_view_append_column (
 438     GTK_TREE_VIEW (process_list->process_list_widget), column);
 439
 440   column = gtk_tree_view_column_new_with_attributes ( "PID",
 441                 renderer,
 442                 "text",
 443                 PID_COLUMN,
 444                 NULL);
 445   gtk_tree_view_append_column (
 446     GTK_TREE_VIEW (process_list->process_list_widget), column);
 447
 448   column = gtk_tree_view_column_new_with_attributes ( "PPID",
 449                 renderer,
 450                 "text",
 451                 PPID_COLUMN,
 452                 NULL);
 453   gtk_tree_view_append_column (
 454     GTK_TREE_VIEW (process_list->process_list_widget), column);
 455
 456   column = gtk_tree_view_column_new_with_attributes ( "CPU",
 457                 renderer,
 458                 "text",
 459                 CPU_COLUMN,
 460                 NULL);
 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 ( "Birth sec",
 465                 renderer,
 466                 "text",
 467                 BIRTH_S_COLUMN,
 468                 NULL);
 469   gtk_tree_view_append_column (
 470     GTK_TREE_VIEW (process_list->process_list_widget), column);
 471
 472   //gtk_tree_view_column_set_visible(column, 0);
 473   //
 474   column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 475                 renderer,
 476                 "text",
 477                 BIRTH_NS_COLUMN,
 478                 NULL);
 479   gtk_tree_view_append_column (
 480     GTK_TREE_VIEW (process_list->process_list_widget), column);
 481
 482   column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 483                 renderer,
 484                 "text",
 485                 TRACE_COLUMN,
 486                 NULL);
 487   gtk_tree_view_append_column (
 488     GTK_TREE_VIEW (process_list->process_list_widget), column);
 489
 490
 491   //gtk_tree_view_column_set_visible(column, 0);
 492
 493   g_object_set_data_full(
 494       G_OBJECT(process_list->process_list_widget),
 495       "process_list_Data",
 496       process_list,
 497       (GDestroyNotify)processlist_destroy);
 498
 499   process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
 500
 501   return process_list;
 502 }
 503
 504 void processlist_destroy(ProcessList *process_list)
 505 {
 506   g_debug("processlist_destroy %p", process_list);
 507   g_hash_table_destroy(process_list->process_hash);
 508   process_list->process_hash = NULL;
 509   g_ptr_array_free(process_list->index_to_pixmap, TRUE);
 510
 511   g_free(process_list);
 512   g_debug("processlist_destroy end");
 513 }
 514
 515 static gboolean remove_hash_item(ProcessInfo *process_info,
 516                                  HashedProcessData *hashed_process_data,
 517                                  ProcessList *process_list)
 518 {
 519   GtkTreeIter iter;
 520
 521   iter = hashed_process_data->y_iter;
 522
 523   gtk_list_store_remove (process_list->list_store, &iter);
 524   gdk_pixmap_unref(hashed_process_data->pixmap);
 525
 526   if(likely(process_list->current_hash_data != NULL)) {
 527     if(likely(hashed_process_data ==
 528                 process_list->current_hash_data[process_info->cpu]))
 529       process_list->current_hash_data[process_info->cpu] = NULL;
 530   }
 531   return TRUE; /* remove the element from the hash table */
 532 }
 533
 534 void processlist_clear(ProcessList *process_list)
 535 {
 536   g_info("processlist_clear %p", process_list);
 537
 538   g_hash_table_foreach_remove(process_list->process_hash,
 539                               (GHRFunc)remove_hash_item,
 540                               (gpointer)process_list);
 541   process_list->number_of_process = 0;
 542   update_index_to_pixmap(process_list);
 543 }
 544
 545
 546 GtkWidget *processlist_get_widget(ProcessList *process_list)
 547 {
 548   return process_list->process_list_widget;
 549 }
 550
 551
 552 void destroy_hash_key(gpointer key)
 553 {
 554   g_free(key);
 555 }
 556
 557 void destroy_hash_data(gpointer data)
 558 {
 559   g_free(data);
 560 }
 561
 562
 563 void processlist_set_name(ProcessList *process_list,
 564     GQuark name,
 565     HashedProcessData *hashed_process_data)
 566 {
 567   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 568         PROCESS_COLUMN, g_quark_to_string(name),
 569         -1);
 570 }
 571
 572 void processlist_set_brand(ProcessList *process_list,
 573     GQuark brand,
 574     HashedProcessData *hashed_process_data)
 575 {
 576   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 577         BRAND_COLUMN, g_quark_to_string(brand),
 578         -1);
 579 }
 580 void processlist_set_ppid(ProcessList *process_list,
 581     guint ppid,
 582     HashedProcessData *hashed_process_data)
 583 {
 584   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 585         PPID_COLUMN, ppid,
 586         -1);
 587 }
 588
 589
 590 int processlist_add(  ProcessList *process_list,
 591       Drawing_t *drawing,
 592       guint pid,
 593       guint cpu,
 594       guint ppid,
 595       LttTime *birth,
 596       guint trace_num,
 597       GQuark name,
 598       GQuark brand,
 599       guint *height,
 600       ProcessInfo **pm_process_info,
 601       HashedProcessData **pm_hashed_process_data)
 602 {
 603   ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 604   HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 605   *pm_hashed_process_data = hashed_process_data;
 606   *pm_process_info = Process_Info;
 607
 608   Process_Info->pid = pid;
 609   if(pid == 0)
 610     Process_Info->cpu = cpu;
 611   else
 612     Process_Info->cpu = 0;
 613   Process_Info->ppid = ppid;
 614   Process_Info->birth = *birth;
 615   Process_Info->trace_num = trace_num;
 616
 617   /* When we create it from before state update, we are sure that the
 618    * last event occured before the beginning of the global area.
 619    *
 620    * If it is created after state update, this value (0) will be
 621    * overriden by the new state before anything is drawn.
 622    */
 623   hashed_process_data->x.over = 0;
 624   hashed_process_data->x.over_used = FALSE;
 625   hashed_process_data->x.over_marked = FALSE;
 626   hashed_process_data->x.middle = 0;
 627   hashed_process_data->x.middle_used = FALSE;
 628   hashed_process_data->x.middle_marked = FALSE;
 629   hashed_process_data->x.under = 0;
 630   hashed_process_data->x.under_used = FALSE;
 631   hashed_process_data->x.under_marked = FALSE;
 632   hashed_process_data->next_good_time = ltt_time_zero;
 633
 634   /* Add a new row to the model */
 635   gtk_list_store_append ( process_list->list_store,
 636                           &hashed_process_data->y_iter);
 637
 638   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 639         PROCESS_COLUMN, g_quark_to_string(name),
 640         BRAND_COLUMN, g_quark_to_string(brand),
 641         PID_COLUMN, pid,
 642         PPID_COLUMN, ppid,
 643         CPU_COLUMN, cpu,
 644         BIRTH_S_COLUMN, birth->tv_sec,
 645         BIRTH_NS_COLUMN, birth->tv_nsec,
 646         TRACE_COLUMN, trace_num,
 647         -1);
 648   //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
 649   //                        GTK_TREE_MODEL(process_list->list_store));
 650   //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
 651
 652   g_hash_table_insert(process_list->process_hash,
 653         (gpointer)Process_Info,
 654         (gpointer)hashed_process_data);
 655
 656   process_list->number_of_process++;
 657
 658   hashed_process_data->height = process_list->cell_height;
 659
 660   g_assert(hashed_process_data->height != 0);
 661
 662   *height = hashed_process_data->height * process_list->number_of_process;
 663
 664   hashed_process_data->pixmap =
 665         gdk_pixmap_new(drawing->drawing_area->window,
 666                        drawing->alloc_width,
 667                        hashed_process_data->height,
 668                        -1);
 669
 670   // Clear the image
 671   gdk_draw_rectangle (hashed_process_data->pixmap,
 672         drawing->drawing_area->style->black_gc,
 673         TRUE,
 674         0, 0,
 675         drawing->alloc_width,
 676         hashed_process_data->height);
 677
 678   update_index_to_pixmap(process_list);
 679
 680
 681   return 0;
 682 }
 683
 684 int processlist_remove( ProcessList *process_list,
 685       guint pid,
 686       guint cpu,
 687       LttTime *birth,
 688       guint trace_num)
 689 {
 690   ProcessInfo process_info;
 691   HashedProcessData *hashed_process_data;
 692   GtkTreeIter iter;
 693
 694   process_info.pid = pid;
 695   if(pid == 0)
 696     process_info.cpu = cpu;
 697   else
 698     process_info.cpu = 0;
 699   process_info.birth = *birth;
 700   process_info.trace_num = trace_num;
 701
 702
 703   hashed_process_data =
 704     (HashedProcessData*)g_hash_table_lookup(
 705           process_list->process_hash,
 706           &process_info);
 707   if(likely(hashed_process_data != NULL))
 708   {
 709     iter = hashed_process_data->y_iter;
 710
 711     gtk_list_store_remove (process_list->list_store, &iter);
 712
 713     g_hash_table_remove(process_list->process_hash,
 714         &process_info);
 715
 716     if(likely(process_list->current_hash_data != NULL)) {
 717       if(likely(hashed_process_data == process_list->current_hash_data[cpu])) {
 718         process_list->current_hash_data[cpu] = NULL;
 719       }
 720     }
 721
 722     gdk_pixmap_unref(hashed_process_data->pixmap);
 723
 724     update_index_to_pixmap(process_list);
 725
 726     process_list->number_of_process--;
 727
 728     return 0;
 729   } else {
 730     return 1;
 731   }
 732 }
 733
 734
 735 #if 0
 736 static inline guint get_cpu_number_from_name(GQuark name)
 737 {
 738   const gchar *string;
 739   char *begin;
 740   guint cpu;
 741
 742   string = g_quark_to_string(name);
 743
 744   begin = strrchr(string, '/');
 745   begin++;
 746
 747   g_assert(begin != '\0');
 748
 749   cpu = strtoul(begin, NULL, 10);
 750
 751   return cpu;
 752 }
 753 #endif //0