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   }
 164         return TRUE;
 165 }
 166
 167
 168 static void update_index_to_pixmap_each(ProcessInfo *key,
 169                                         HashedProcessData *value,
 170                                         ProcessList *process_list)
 171 {
 172   guint array_index = processlist_get_index_from_data(process_list, value);
 173
 174   g_assert(array_index < process_list->index_to_pixmap->len);
 175
 176   GdkPixmap **pixmap =
 177     (GdkPixmap**)&g_ptr_array_index(process_list->index_to_pixmap, array_index);
 178
 179   *pixmap = value->pixmap;
 180 }
 181
 182
 183 void update_index_to_pixmap(ProcessList *process_list)
 184 {
 185   g_ptr_array_set_size(process_list->index_to_pixmap,
 186                        g_hash_table_size(process_list->process_hash));
 187   g_hash_table_foreach(process_list->process_hash,
 188                        (GHFunc)update_index_to_pixmap_each,
 189                        process_list);
 190 }
 191
 192
 193 static void update_pixmap_size_each(ProcessInfo *key,
 194                                     HashedProcessData *value,
 195                                     guint width)
 196 {
 197   GdkPixmap *old_pixmap = value->pixmap;
 198
 199   value->pixmap =
 200         gdk_pixmap_new(old_pixmap,
 201                        width,
 202                        value->height,
 203                        -1);
 204
 205   gdk_pixmap_unref(old_pixmap);
 206 }
 207
 208
 209 void update_pixmap_size(ProcessList *process_list, guint width)
 210 {
 211   g_hash_table_foreach(process_list->process_hash,
 212                        (GHFunc)update_pixmap_size_each,
 213                        (gpointer)width);
 214 }
 215
 216
 217 typedef struct _CopyPixmap {
 218   GdkDrawable *dest;
 219   GdkGC *gc;
 220   GdkDrawable *src;
 221   gint xsrc, ysrc, xdest, ydest, width, height;
 222 } CopyPixmap;
 223
 224 static void copy_pixmap_region_each(ProcessInfo *key,
 225                                     HashedProcessData *value,
 226                                     CopyPixmap *cp)
 227 {
 228   GdkPixmap *src = cp->src;
 229   GdkPixmap *dest = cp->dest;
 230
 231   if(dest == NULL)
 232     dest = value->pixmap;
 233   if(src == NULL)
 234     src = value->pixmap;
 235
 236   gdk_draw_drawable (dest,
 237       cp->gc,
 238       src,
 239       cp->xsrc, cp->ysrc,
 240       cp->xdest, cp->ydest,
 241       cp->width, cp->height);
 242 }
 243
 244
 245
 246
 247 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 248     GdkGC *gc, GdkDrawable *src,
 249     gint xsrc, gint ysrc,
 250     gint xdest, gint ydest, gint width, gint height)
 251 {
 252   CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
 253
 254   g_hash_table_foreach(process_list->process_hash,
 255                        (GHFunc)copy_pixmap_region_each,
 256                        &cp);
 257 }
 258
 259
 260
 261 typedef struct _RectanglePixmap {
 262   gboolean filled;
 263   gint x, y, width, height;
 264   GdkGC *gc;
 265 } RectanglePixmap;
 266
 267 static void rectangle_pixmap_each(ProcessInfo *key,
 268                                   HashedProcessData *value,
 269                                   RectanglePixmap *rp)
 270 {
 271   if(rp->height == -1)
 272     rp->height = value->height;
 273
 274   gdk_draw_rectangle (value->pixmap,
 275       rp->gc,
 276       rp->filled,
 277       rp->x, rp->y,
 278       rp->width, rp->height);
 279 }
 280
 281
 282
 283
 284 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 285     gboolean filled, gint x, gint y, gint width, gint height)
 286 {
 287   RectanglePixmap rp = { filled, x, y, width, height, gc };
 288
 289   g_hash_table_foreach(process_list->process_hash,
 290                        (GHFunc)rectangle_pixmap_each,
 291                        &rp);
 292 }
 293
 294
 295 /* Renders each pixmaps into on big drawable */
 296 void copy_pixmap_to_screen(ProcessList *process_list,
 297     GdkDrawable *dest,
 298     GdkGC *gc,
 299     gint x, gint y,
 300     gint width, gint height)
 301 {
 302   if(process_list->index_to_pixmap->len == 0) return;
 303   guint cell_height = process_list->cell_height;
 304
 305   /* Get indexes */
 306   gint begin = floor(y/(double)cell_height);
 307   gint end = MIN(ceil((y+height)/(double)cell_height),
 308                  process_list->index_to_pixmap->len);
 309   gint i;
 310
 311   for(i=begin; i<end; i++) {
 312     g_assert(i<process_list->index_to_pixmap->len);
 313     /* Render the pixmap to the screen */
 314     GdkPixmap *pixmap =
 315       //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
 316       GDK_PIXMAP(g_ptr_array_index(process_list->index_to_pixmap, i));
 317
 318     gdk_draw_drawable (dest,
 319         gc,
 320         pixmap,
 321         x, 0,
 322         x, i*cell_height,
 323         width, cell_height);
 324
 325   }
 326
 327
 328 }
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338 ProcessList *processlist_construct(void)
 339 {
 340   GtkTreeViewColumn *column;
 341   GtkCellRenderer *renderer;
 342
 343   ProcessList* process_list = g_new(ProcessList,1);
 344
 345   process_list->number_of_process = 0;
 346
 347   process_list->current_hash_data = NULL;
 348
 349   /* Create the Process list */
 350   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 351               G_TYPE_STRING,
 352               G_TYPE_UINT,
 353               G_TYPE_UINT,
 354               G_TYPE_UINT,
 355               G_TYPE_ULONG,
 356               G_TYPE_ULONG,
 357               G_TYPE_ULONG);
 358
 359
 360   process_list->process_list_widget =
 361     gtk_tree_view_new_with_model
 362     (GTK_TREE_MODEL (process_list->list_store));
 363
 364   g_object_unref (G_OBJECT (process_list->list_store));
 365
 366   gtk_tree_sortable_set_default_sort_func(
 367       GTK_TREE_SORTABLE(process_list->list_store),
 368       process_sort_func,
 369       NULL,
 370       NULL);
 371
 372
 373   gtk_tree_sortable_set_sort_column_id(
 374       GTK_TREE_SORTABLE(process_list->list_store),
 375       GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 376       GTK_SORT_ASCENDING);
 377
 378
 379   process_list->process_hash = g_hash_table_new_full(
 380       process_list_hash_fct, process_list_equ_fct,
 381       destroy_hash_key, destroy_hash_data
 382       );
 383
 384
 385   gtk_tree_view_set_headers_visible(
 386     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 387
 388   /* Create a column, associating the "text" attribute of the
 389    * cell_renderer to the first column of the model */
 390   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 391   renderer = gtk_cell_renderer_text_new ();
 392   process_list->renderer = renderer;
 393
 394         gint vertical_separator;
 395         gtk_widget_style_get (GTK_WIDGET (process_list->process_list_widget),
 396                         "vertical-separator", &vertical_separator,
 397                         NULL);
 398   gtk_cell_renderer_get_size(renderer,
 399       GTK_WIDGET(process_list->process_list_widget),
 400       NULL,
 401       NULL,
 402       NULL,
 403       NULL,
 404       &process_list->cell_height);
 405
 406   //guint ypad;
 407   //g_object_get(G_OBJECT(renderer), "ypad", &ypad, NULL);
 408
 409   //process_list->cell_height += ypad;
 410   process_list->cell_height += vertical_separator;
 411
 412
 413   column = gtk_tree_view_column_new_with_attributes ( "Process",
 414                 renderer,
 415                 "text",
 416                 PROCESS_COLUMN,
 417                 NULL);
 418   gtk_tree_view_column_set_alignment (column, 0.0);
 419   gtk_tree_view_column_set_fixed_width (column, 45);
 420   gtk_tree_view_append_column (
 421     GTK_TREE_VIEW (process_list->process_list_widget), column);
 422
 423   process_list->button = column->button;
 424
 425   column = gtk_tree_view_column_new_with_attributes ( "PID",
 426                 renderer,
 427                 "text",
 428                 PID_COLUMN,
 429                 NULL);
 430   gtk_tree_view_append_column (
 431     GTK_TREE_VIEW (process_list->process_list_widget), column);
 432
 433   column = gtk_tree_view_column_new_with_attributes ( "PPID",
 434                 renderer,
 435                 "text",
 436                 PPID_COLUMN,
 437                 NULL);
 438   gtk_tree_view_append_column (
 439     GTK_TREE_VIEW (process_list->process_list_widget), column);
 440
 441   column = gtk_tree_view_column_new_with_attributes ( "CPU",
 442                 renderer,
 443                 "text",
 444                 CPU_COLUMN,
 445                 NULL);
 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 ( "Birth sec",
 450                 renderer,
 451                 "text",
 452                 BIRTH_S_COLUMN,
 453                 NULL);
 454   gtk_tree_view_append_column (
 455     GTK_TREE_VIEW (process_list->process_list_widget), column);
 456
 457   //gtk_tree_view_column_set_visible(column, 0);
 458   //
 459   column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 460                 renderer,
 461                 "text",
 462                 BIRTH_NS_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 ( "TRACE",
 468                 renderer,
 469                 "text",
 470                 TRACE_COLUMN,
 471                 NULL);
 472   gtk_tree_view_append_column (
 473     GTK_TREE_VIEW (process_list->process_list_widget), column);
 474
 475
 476   //gtk_tree_view_column_set_visible(column, 0);
 477
 478   g_object_set_data_full(
 479       G_OBJECT(process_list->process_list_widget),
 480       "process_list_Data",
 481       process_list,
 482       (GDestroyNotify)processlist_destroy);
 483
 484   process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
 485
 486   return process_list;
 487 }
 488
 489 void processlist_destroy(ProcessList *process_list)
 490 {
 491   g_debug("processlist_destroy %p", process_list);
 492   g_hash_table_destroy(process_list->process_hash);
 493   process_list->process_hash = NULL;
 494   g_ptr_array_free(process_list->index_to_pixmap, TRUE);
 495
 496   g_free(process_list);
 497   g_debug("processlist_destroy end");
 498 }
 499
 500 static gboolean remove_hash_item(ProcessInfo *process_info,
 501                                  HashedProcessData *hashed_process_data,
 502                                  ProcessList *process_list)
 503 {
 504   GtkTreeIter iter;
 505
 506   iter = hashed_process_data->y_iter;
 507
 508   gtk_list_store_remove (process_list->list_store, &iter);
 509   gdk_pixmap_unref(hashed_process_data->pixmap);
 510
 511   if(likely(process_list->current_hash_data != NULL)) {
 512     if(likely(hashed_process_data ==
 513                 process_list->current_hash_data[process_info->cpu]))
 514       process_list->current_hash_data[process_info->cpu] = NULL;
 515   }
 516   return TRUE; /* remove the element from the hash table */
 517 }
 518
 519 void processlist_clear(ProcessList *process_list)
 520 {
 521   g_info("processlist_clear %p", process_list);
 522
 523   g_hash_table_foreach_remove(process_list->process_hash,
 524                               (GHRFunc)remove_hash_item,
 525                               (gpointer)process_list);
 526   process_list->number_of_process = 0;
 527   update_index_to_pixmap(process_list);
 528 }
 529
 530
 531 GtkWidget *processlist_get_widget(ProcessList *process_list)
 532 {
 533   return process_list->process_list_widget;
 534 }
 535
 536
 537 void destroy_hash_key(gpointer key)
 538 {
 539   g_free(key);
 540 }
 541
 542 void destroy_hash_data(gpointer data)
 543 {
 544   g_free(data);
 545 }
 546
 547
 548 void processlist_set_name(ProcessList *process_list,
 549     GQuark name,
 550     HashedProcessData *hashed_process_data)
 551 {
 552   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 553         PROCESS_COLUMN, g_quark_to_string(name),
 554         -1);
 555 }
 556
 557 void processlist_set_ppid(ProcessList *process_list,
 558     guint ppid,
 559     HashedProcessData *hashed_process_data)
 560 {
 561   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 562         PPID_COLUMN, ppid,
 563         -1);
 564 }
 565
 566
 567 int processlist_add(  ProcessList *process_list,
 568       Drawing_t *drawing,
 569       guint pid,
 570       guint cpu,
 571       guint ppid,
 572       LttTime *birth,
 573       guint trace_num,
 574       GQuark name,
 575       guint *height,
 576       ProcessInfo **pm_process_info,
 577       HashedProcessData **pm_hashed_process_data)
 578 {
 579   ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 580   HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 581   *pm_hashed_process_data = hashed_process_data;
 582   *pm_process_info = Process_Info;
 583
 584   Process_Info->pid = pid;
 585   if(pid == 0)
 586     Process_Info->cpu = cpu;
 587   else
 588     Process_Info->cpu = 0;
 589   Process_Info->ppid = ppid;
 590   Process_Info->birth = *birth;
 591   Process_Info->trace_num = trace_num;
 592
 593   /* When we create it from before state update, we are sure that the
 594    * last event occured before the beginning of the global area.
 595    *
 596    * If it is created after state update, this value (0) will be
 597    * overriden by the new state before anything is drawn.
 598    */
 599   hashed_process_data->x.over = 0;
 600   hashed_process_data->x.over_used = FALSE;
 601   hashed_process_data->x.over_marked = FALSE;
 602   hashed_process_data->x.middle = 0;
 603   hashed_process_data->x.middle_used = FALSE;
 604   hashed_process_data->x.middle_marked = FALSE;
 605   hashed_process_data->x.under = 0;
 606   hashed_process_data->x.under_used = FALSE;
 607   hashed_process_data->x.under_marked = FALSE;
 608   hashed_process_data->next_good_time = ltt_time_zero;
 609
 610   /* Add a new row to the model */
 611   gtk_list_store_append ( process_list->list_store,
 612                           &hashed_process_data->y_iter);
 613
 614   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 615         PROCESS_COLUMN, g_quark_to_string(name),
 616         PID_COLUMN, pid,
 617         PPID_COLUMN, ppid,
 618         CPU_COLUMN, cpu,
 619         BIRTH_S_COLUMN, birth->tv_sec,
 620         BIRTH_NS_COLUMN, birth->tv_nsec,
 621         TRACE_COLUMN, trace_num,
 622         -1);
 623   //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
 624   //                        GTK_TREE_MODEL(process_list->list_store));
 625   //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
 626
 627   g_hash_table_insert(process_list->process_hash,
 628         (gpointer)Process_Info,
 629         (gpointer)hashed_process_data);
 630
 631   process_list->number_of_process++;
 632
 633   hashed_process_data->height = process_list->cell_height;
 634
 635   g_assert(hashed_process_data->height != 0);
 636
 637   *height = hashed_process_data->height * process_list->number_of_process;
 638
 639   hashed_process_data->pixmap =
 640         gdk_pixmap_new(drawing->drawing_area->window,
 641                        drawing->alloc_width,
 642                        hashed_process_data->height,
 643                        -1);
 644
 645   // Clear the image
 646   gdk_draw_rectangle (hashed_process_data->pixmap,
 647         drawing->drawing_area->style->black_gc,
 648         TRUE,
 649         0, 0,
 650         drawing->alloc_width,
 651         hashed_process_data->height);
 652
 653   update_index_to_pixmap(process_list);
 654
 655
 656   return 0;
 657 }
 658
 659 int processlist_remove( ProcessList *process_list,
 660       guint pid,
 661       guint cpu,
 662       LttTime *birth,
 663       guint trace_num)
 664 {
 665   ProcessInfo process_info;
 666   HashedProcessData *hashed_process_data;
 667   GtkTreeIter iter;
 668
 669   process_info.pid = pid;
 670   if(pid == 0)
 671     process_info.cpu = cpu;
 672   else
 673     process_info.cpu = 0;
 674   process_info.birth = *birth;
 675   process_info.trace_num = trace_num;
 676
 677
 678   hashed_process_data =
 679     (HashedProcessData*)g_hash_table_lookup(
 680           process_list->process_hash,
 681           &process_info);
 682   if(likely(hashed_process_data != NULL))
 683   {
 684     iter = hashed_process_data->y_iter;
 685
 686     gtk_list_store_remove (process_list->list_store, &iter);
 687
 688     g_hash_table_remove(process_list->process_hash,
 689         &process_info);
 690
 691     if(likely(process_list->current_hash_data != NULL)) {
 692       if(likely(hashed_process_data == process_list->current_hash_data[cpu])) {
 693         process_list->current_hash_data[cpu] = NULL;
 694       }
 695     }
 696
 697     gdk_pixmap_unref(hashed_process_data->pixmap);
 698
 699     update_index_to_pixmap(process_list);
 700
 701     process_list->number_of_process--;
 702
 703     return 0;
 704   } else {
 705     return 1;
 706   }
 707 }
 708
 709
 710 #if 0
 711 static inline guint get_cpu_number_from_name(GQuark name)
 712 {
 713   const gchar *string;
 714   char *begin;
 715   guint cpu;
 716
 717   string = g_quark_to_string(name);
 718
 719   begin = strrchr(string, '/');
 720   begin++;
 721
 722   g_assert(begin != '\0');
 723
 724   cpu = strtoul(begin, NULL, 10);
 725
 726   return cpu;
 727 }
 728 #endif //0