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   gchar *a_brand;
  52   guint a_pid, a_ppid, a_cpu;
  53   gulong a_birth_s, a_birth_ns;
  54   gulong a_trace;
  55
  56   gchar *b_name;
  57   gchar *b_brand;
  58   guint b_pid, b_ppid, b_cpu;
  59   gulong b_birth_s, b_birth_ns;
  60   gulong b_trace;
  61
  62   gtk_tree_model_get(model,
  63            it_a,
  64            0, &a_name,
  65            1, &a_brand,
  66            2, &a_pid,
  67            3, &a_ppid,
  68            4, &a_cpu,
  69            5, &a_birth_s,
  70            6, &a_birth_ns,
  71            7, &a_trace,
  72            -1);
  73
  74   gtk_tree_model_get(model,
  75            it_b,
  76            0, &b_name,
  77            1, &b_brand,
  78            2, &b_pid,
  79            3, &b_ppid,
  80            4, &b_cpu,
  81            5, &b_birth_s,
  82            6, &b_birth_ns,
  83            7, &b_trace,
  84            -1);
  85
  86
  87   /* Order by PID */
  88   if(a_pid == 0 &&  b_pid == 0) {
  89     /* If 0, order by CPU */
  90     if(a_cpu > b_cpu) return 1;
  91     if(a_cpu < b_cpu) return -1;
  92
  93   } else { /* if not 0, order by pid */
  94
  95     if(a_pid > b_pid) return 1;
  96     if(a_pid < b_pid) return -1;
  97   }
  98
  99   /* Order by birth second */
 100
 101   if(a_birth_s > b_birth_s) return 1;
 102   if(a_birth_s < b_birth_s) return -1;
 103
 104
 105   /* Order by birth nanosecond */
 106   if(a_birth_ns > b_birth_ns) return 1;
 107   if(a_birth_ns < b_birth_ns) return -1;
 108
 109   /* Order by trace_num */
 110   if(a_trace > b_trace) return 1;
 111   if(a_trace < b_trace) return -1;
 112
 113   return 0;
 114
 115 }
 116
 117 static guint process_list_hash_fct(gconstpointer key)
 118 {
 119   guint pid = ((const ProcessInfo*)key)->pid;
 120   return ((pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ^ ((const ProcessInfo*)key)->cpu);
 121 }
 122
 123 /* If hash is good, should be different */
 124 static gboolean process_list_equ_fct(gconstpointer a, gconstpointer b)
 125 {
 126   const ProcessInfo *pa = (const ProcessInfo*)a;
 127   const ProcessInfo *pb = (const ProcessInfo*)b;
 128
 129   gboolean ret = TRUE;
 130
 131   if(likely(pa->pid != pb->pid))
 132     ret = FALSE;
 133   if(likely((pa->pid == 0 && (pa->cpu != pb->cpu))))
 134     ret = FALSE;
 135   if(unlikely(ltt_time_compare(pa->birth, pb->birth) != 0))
 136     ret = FALSE;
 137   if(unlikely(pa->trace_num != pb->trace_num))
 138     ret = FALSE;
 139
 140   return ret;
 141 }
 142
 143 void destroy_hash_key(gpointer key);
 144
 145 void destroy_hash_data(gpointer data);
 146
 147
 148 gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 149 {
 150   ControlFlowData *control_flow_data =
 151       (ControlFlowData*)g_object_get_data(
 152                 G_OBJECT(widget),
 153                 "control_flow_data");
 154   Drawing_t *drawing = control_flow_data->drawing;
 155         unsigned int cell_height =
 156                 get_cell_height(GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
 157
 158   switch(event->direction) {
 159     case GDK_SCROLL_UP:
 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     case GDK_SCROLL_DOWN:
 164       gtk_adjustment_set_value(control_flow_data->v_adjust,
 165         gtk_adjustment_get_value(control_flow_data->v_adjust) + cell_height);
 166       break;
 167     default:
 168       g_error("should only scroll up and down.");
 169   }
 170         return TRUE;
 171 }
 172
 173
 174 static void update_index_to_pixmap_each(ProcessInfo *key,
 175                                         HashedProcessData *value,
 176                                         ProcessList *process_list)
 177 {
 178   guint array_index = processlist_get_index_from_data(process_list, value);
 179
 180   g_assert(array_index < process_list->index_to_pixmap->len);
 181
 182   GdkPixmap **pixmap =
 183     (GdkPixmap**)&g_ptr_array_index(process_list->index_to_pixmap, array_index);
 184
 185   *pixmap = value->pixmap;
 186 }
 187
 188
 189 void update_index_to_pixmap(ProcessList *process_list)
 190 {
 191   g_ptr_array_set_size(process_list->index_to_pixmap,
 192                        g_hash_table_size(process_list->process_hash));
 193   g_hash_table_foreach(process_list->process_hash,
 194                        (GHFunc)update_index_to_pixmap_each,
 195                        process_list);
 196 }
 197
 198
 199 static void update_pixmap_size_each(ProcessInfo *key,
 200                                     HashedProcessData *value,
 201                                     guint width)
 202 {
 203   GdkPixmap *old_pixmap = value->pixmap;
 204
 205   value->pixmap =
 206         gdk_pixmap_new(old_pixmap,
 207                        width,
 208                        value->height,
 209                        -1);
 210
 211   gdk_pixmap_unref(old_pixmap);
 212 }
 213
 214
 215 void update_pixmap_size(ProcessList *process_list, guint width)
 216 {
 217   g_hash_table_foreach(process_list->process_hash,
 218                        (GHFunc)update_pixmap_size_each,
 219                        (gpointer)width);
 220 }
 221
 222
 223 typedef struct _CopyPixmap {
 224   GdkDrawable *dest;
 225   GdkGC *gc;
 226   GdkDrawable *src;
 227   gint xsrc, ysrc, xdest, ydest, width, height;
 228 } CopyPixmap;
 229
 230 static void copy_pixmap_region_each(ProcessInfo *key,
 231                                     HashedProcessData *value,
 232                                     CopyPixmap *cp)
 233 {
 234   GdkPixmap *src = cp->src;
 235   GdkPixmap *dest = cp->dest;
 236
 237   if(dest == NULL)
 238     dest = value->pixmap;
 239   if(src == NULL)
 240     src = value->pixmap;
 241
 242   gdk_draw_drawable (dest,
 243       cp->gc,
 244       src,
 245       cp->xsrc, cp->ysrc,
 246       cp->xdest, cp->ydest,
 247       cp->width, cp->height);
 248 }
 249
 250
 251
 252
 253 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 254     GdkGC *gc, GdkDrawable *src,
 255     gint xsrc, gint ysrc,
 256     gint xdest, gint ydest, gint width, gint height)
 257 {
 258   CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
 259
 260   g_hash_table_foreach(process_list->process_hash,
 261                        (GHFunc)copy_pixmap_region_each,
 262                        &cp);
 263 }
 264
 265
 266
 267 typedef struct _RectanglePixmap {
 268   gboolean filled;
 269   gint x, y, width, height;
 270   GdkGC *gc;
 271 } RectanglePixmap;
 272
 273 static void rectangle_pixmap_each(ProcessInfo *key,
 274                                   HashedProcessData *value,
 275                                   RectanglePixmap *rp)
 276 {
 277   if(rp->height == -1)
 278     rp->height = value->height;
 279
 280   gdk_draw_rectangle (value->pixmap,
 281       rp->gc,
 282       rp->filled,
 283       rp->x, rp->y,
 284       rp->width, rp->height);
 285 }
 286
 287
 288
 289
 290 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 291     gboolean filled, gint x, gint y, gint width, gint height)
 292 {
 293   RectanglePixmap rp = { filled, x, y, width, height, gc };
 294
 295   g_hash_table_foreach(process_list->process_hash,
 296                        (GHFunc)rectangle_pixmap_each,
 297                        &rp);
 298 }
 299
 300
 301 /* Renders each pixmaps into on big drawable */
 302 void copy_pixmap_to_screen(ProcessList *process_list,
 303     GdkDrawable *dest,
 304     GdkGC *gc,
 305     gint x, gint y,
 306     gint width, gint height)
 307 {
 308   if(process_list->index_to_pixmap->len == 0) return;
 309   guint cell_height = process_list->cell_height;
 310
 311   /* Get indexes */
 312   gint begin = floor(y/(double)cell_height);
 313   gint end = MIN(ceil((y+height)/(double)cell_height),
 314                  process_list->index_to_pixmap->len);
 315   gint i;
 316
 317   for(i=begin; i<end; i++) {
 318     g_assert(i<process_list->index_to_pixmap->len);
 319     /* Render the pixmap to the screen */
 320     GdkPixmap *pixmap =
 321       //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
 322       GDK_PIXMAP(g_ptr_array_index(process_list->index_to_pixmap, i));
 323
 324     gdk_draw_drawable (dest,
 325         gc,
 326         pixmap,
 327         x, 0,
 328         x, i*cell_height,
 329         width, cell_height);
 330
 331   }
 332
 333
 334 }
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344 ProcessList *processlist_construct(void)
 345 {
 346   GtkTreeViewColumn *column;
 347   GtkCellRenderer *renderer;
 348
 349   ProcessList* process_list = g_new(ProcessList,1);
 350
 351   process_list->number_of_process = 0;
 352
 353   process_list->current_hash_data = NULL;
 354
 355   /* Create the Process list */
 356   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 357               G_TYPE_STRING,
 358               G_TYPE_STRING,
 359               G_TYPE_UINT,
 360               G_TYPE_UINT,
 361               G_TYPE_UINT,
 362               G_TYPE_ULONG,
 363               G_TYPE_ULONG,
 364               G_TYPE_ULONG);
 365
 366
 367   process_list->process_list_widget =
 368     gtk_tree_view_new_with_model
 369     (GTK_TREE_MODEL (process_list->list_store));
 370
 371   g_object_unref (G_OBJECT (process_list->list_store));
 372
 373   gtk_tree_sortable_set_default_sort_func(
 374       GTK_TREE_SORTABLE(process_list->list_store),
 375       process_sort_func,
 376       NULL,
 377       NULL);
 378
 379
 380   gtk_tree_sortable_set_sort_column_id(
 381       GTK_TREE_SORTABLE(process_list->list_store),
 382       GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 383       GTK_SORT_ASCENDING);
 384
 385
 386   process_list->process_hash = g_hash_table_new_full(
 387       process_list_hash_fct, process_list_equ_fct,
 388       destroy_hash_key, destroy_hash_data
 389       );
 390
 391
 392   gtk_tree_view_set_headers_visible(
 393     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 394
 395   /* Create a column, associating the "text" attribute of the
 396    * cell_renderer to the first column of the model */
 397   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 398   renderer = gtk_cell_renderer_text_new ();
 399   process_list->renderer = renderer;
 400
 401         gint vertical_separator;
 402         gtk_widget_style_get (GTK_WIDGET (process_list->process_list_widget),
 403                         "vertical-separator", &vertical_separator,
 404                         NULL);
 405   gtk_cell_renderer_get_size(renderer,
 406       GTK_WIDGET(process_list->process_list_widget),
 407       NULL,
 408       NULL,
 409       NULL,
 410       NULL,
 411       &process_list->cell_height);
 412
 413 #if GTK_CHECK_VERSION(2,4,15)
 414   guint ypad;
 415   g_object_get(G_OBJECT(renderer), "ypad", &ypad, NULL);
 416
 417   process_list->cell_height += ypad;
 418 #endif
 419   process_list->cell_height += vertical_separator;
 420
 421
 422   column = gtk_tree_view_column_new_with_attributes ( "Process",
 423                 renderer,
 424                 "text",
 425                 PROCESS_COLUMN,
 426                 NULL);
 427   gtk_tree_view_column_set_alignment (column, 0.0);
 428   gtk_tree_view_column_set_fixed_width (column, 45);
 429   gtk_tree_view_append_column (
 430     GTK_TREE_VIEW (process_list->process_list_widget), column);
 431
 432   process_list->button = column->button;
 433
 434   column = gtk_tree_view_column_new_with_attributes ( "Brand",
 435                 renderer,
 436                 "text",
 437                 BRAND_COLUMN,
 438                 NULL);
 439   gtk_tree_view_column_set_alignment (column, 0.0);
 440   gtk_tree_view_column_set_fixed_width (column, 45);
 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_append_column (
 450     GTK_TREE_VIEW (process_list->process_list_widget), column);
 451
 452   column = gtk_tree_view_column_new_with_attributes ( "PPID",
 453                 renderer,
 454                 "text",
 455                 PPID_COLUMN,
 456                 NULL);
 457   gtk_tree_view_append_column (
 458     GTK_TREE_VIEW (process_list->process_list_widget), column);
 459
 460   column = gtk_tree_view_column_new_with_attributes ( "CPU",
 461                 renderer,
 462                 "text",
 463                 CPU_COLUMN,
 464                 NULL);
 465   gtk_tree_view_append_column (
 466     GTK_TREE_VIEW (process_list->process_list_widget), column);
 467
 468   column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
 469                 renderer,
 470                 "text",
 471                 BIRTH_S_COLUMN,
 472                 NULL);
 473   gtk_tree_view_append_column (
 474     GTK_TREE_VIEW (process_list->process_list_widget), column);
 475
 476   //gtk_tree_view_column_set_visible(column, 0);
 477   //
 478   column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 479                 renderer,
 480                 "text",
 481                 BIRTH_NS_COLUMN,
 482                 NULL);
 483   gtk_tree_view_append_column (
 484     GTK_TREE_VIEW (process_list->process_list_widget), column);
 485
 486   column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 487                 renderer,
 488                 "text",
 489                 TRACE_COLUMN,
 490                 NULL);
 491   gtk_tree_view_append_column (
 492     GTK_TREE_VIEW (process_list->process_list_widget), column);
 493
 494
 495   //gtk_tree_view_column_set_visible(column, 0);
 496
 497   g_object_set_data_full(
 498       G_OBJECT(process_list->process_list_widget),
 499       "process_list_Data",
 500       process_list,
 501       (GDestroyNotify)processlist_destroy);
 502
 503   process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
 504
 505   return process_list;
 506 }
 507
 508 void processlist_destroy(ProcessList *process_list)
 509 {
 510   g_debug("processlist_destroy %p", process_list);
 511   g_hash_table_destroy(process_list->process_hash);
 512   process_list->process_hash = NULL;
 513   g_ptr_array_free(process_list->index_to_pixmap, TRUE);
 514
 515   g_free(process_list);
 516   g_debug("processlist_destroy end");
 517 }
 518
 519 static gboolean remove_hash_item(ProcessInfo *process_info,
 520                                  HashedProcessData *hashed_process_data,
 521                                  ProcessList *process_list)
 522 {
 523   GtkTreeIter iter;
 524
 525   iter = hashed_process_data->y_iter;
 526
 527   gtk_list_store_remove (process_list->list_store, &iter);
 528   gdk_pixmap_unref(hashed_process_data->pixmap);
 529
 530   if(likely(process_list->current_hash_data != NULL)) {
 531     if(likely(hashed_process_data ==
 532                 process_list->current_hash_data[process_info->cpu]))
 533       process_list->current_hash_data[process_info->cpu] = NULL;
 534   }
 535   return TRUE; /* remove the element from the hash table */
 536 }
 537
 538 void processlist_clear(ProcessList *process_list)
 539 {
 540   g_info("processlist_clear %p", process_list);
 541
 542   g_hash_table_foreach_remove(process_list->process_hash,
 543                               (GHRFunc)remove_hash_item,
 544                               (gpointer)process_list);
 545   process_list->number_of_process = 0;
 546   update_index_to_pixmap(process_list);
 547 }
 548
 549
 550 GtkWidget *processlist_get_widget(ProcessList *process_list)
 551 {
 552   return process_list->process_list_widget;
 553 }
 554
 555
 556 void destroy_hash_key(gpointer key)
 557 {
 558   g_free(key);
 559 }
 560
 561 void destroy_hash_data(gpointer data)
 562 {
 563   g_free(data);
 564 }
 565
 566
 567 void processlist_set_name(ProcessList *process_list,
 568     GQuark name,
 569     HashedProcessData *hashed_process_data)
 570 {
 571   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 572         PROCESS_COLUMN, g_quark_to_string(name),
 573         -1);
 574 }
 575
 576 void processlist_set_brand(ProcessList *process_list,
 577     GQuark brand,
 578     HashedProcessData *hashed_process_data)
 579 {
 580   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 581         BRAND_COLUMN, g_quark_to_string(brand),
 582         -1);
 583 }
 584 void processlist_set_ppid(ProcessList *process_list,
 585     guint ppid,
 586     HashedProcessData *hashed_process_data)
 587 {
 588   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 589         PPID_COLUMN, ppid,
 590         -1);
 591 }
 592
 593
 594 int processlist_add(  ProcessList *process_list,
 595       Drawing_t *drawing,
 596       guint pid,
 597       guint cpu,
 598       guint ppid,
 599       LttTime *birth,
 600       guint trace_num,
 601       GQuark name,
 602       GQuark brand,
 603       guint *height,
 604       ProcessInfo **pm_process_info,
 605       HashedProcessData **pm_hashed_process_data)
 606 {
 607   ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 608   HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 609   *pm_hashed_process_data = hashed_process_data;
 610   *pm_process_info = Process_Info;
 611
 612   Process_Info->pid = pid;
 613   if(pid == 0)
 614     Process_Info->cpu = cpu;
 615   else
 616     Process_Info->cpu = 0;
 617   Process_Info->ppid = ppid;
 618   Process_Info->birth = *birth;
 619   Process_Info->trace_num = trace_num;
 620
 621   /* When we create it from before state update, we are sure that the
 622    * last event occured before the beginning of the global area.
 623    *
 624    * If it is created after state update, this value (0) will be
 625    * overriden by the new state before anything is drawn.
 626    */
 627   hashed_process_data->x.over = 0;
 628   hashed_process_data->x.over_used = FALSE;
 629   hashed_process_data->x.over_marked = FALSE;
 630   hashed_process_data->x.middle = 0;
 631   hashed_process_data->x.middle_used = FALSE;
 632   hashed_process_data->x.middle_marked = FALSE;
 633   hashed_process_data->x.under = 0;
 634   hashed_process_data->x.under_used = FALSE;
 635   hashed_process_data->x.under_marked = FALSE;
 636   hashed_process_data->next_good_time = ltt_time_zero;
 637
 638   /* Add a new row to the model */
 639   gtk_list_store_append ( process_list->list_store,
 640                           &hashed_process_data->y_iter);
 641
 642   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 643         PROCESS_COLUMN, g_quark_to_string(name),
 644         BRAND_COLUMN, g_quark_to_string(brand),
 645         PID_COLUMN, pid,
 646         PPID_COLUMN, ppid,
 647         CPU_COLUMN, cpu,
 648         BIRTH_S_COLUMN, birth->tv_sec,
 649         BIRTH_NS_COLUMN, birth->tv_nsec,
 650         TRACE_COLUMN, trace_num,
 651         -1);
 652   //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
 653   //                        GTK_TREE_MODEL(process_list->list_store));
 654   //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
 655
 656   g_hash_table_insert(process_list->process_hash,
 657         (gpointer)Process_Info,
 658         (gpointer)hashed_process_data);
 659
 660   process_list->number_of_process++;
 661
 662   hashed_process_data->height = process_list->cell_height;
 663
 664   g_assert(hashed_process_data->height != 0);
 665
 666   *height = hashed_process_data->height * process_list->number_of_process;
 667
 668   hashed_process_data->pixmap =
 669         gdk_pixmap_new(drawing->drawing_area->window,
 670                        drawing->alloc_width,
 671                        hashed_process_data->height,
 672                        -1);
 673
 674   // Clear the image
 675   gdk_draw_rectangle (hashed_process_data->pixmap,
 676         drawing->drawing_area->style->black_gc,
 677         TRUE,
 678         0, 0,
 679         drawing->alloc_width,
 680         hashed_process_data->height);
 681
 682   update_index_to_pixmap(process_list);
 683
 684
 685   return 0;
 686 }
 687
 688 int processlist_remove( ProcessList *process_list,
 689       guint pid,
 690       guint cpu,
 691       LttTime *birth,
 692       guint trace_num)
 693 {
 694   ProcessInfo process_info;
 695   HashedProcessData *hashed_process_data;
 696   GtkTreeIter iter;
 697
 698   process_info.pid = pid;
 699   if(pid == 0)
 700     process_info.cpu = cpu;
 701   else
 702     process_info.cpu = 0;
 703   process_info.birth = *birth;
 704   process_info.trace_num = trace_num;
 705
 706
 707   hashed_process_data =
 708     (HashedProcessData*)g_hash_table_lookup(
 709           process_list->process_hash,
 710           &process_info);
 711   if(likely(hashed_process_data != NULL))
 712   {
 713     iter = hashed_process_data->y_iter;
 714
 715     gtk_list_store_remove (process_list->list_store, &iter);
 716
 717     g_hash_table_remove(process_list->process_hash,
 718         &process_info);
 719
 720     if(likely(process_list->current_hash_data != NULL)) {
 721       if(likely(hashed_process_data == process_list->current_hash_data[cpu])) {
 722         process_list->current_hash_data[cpu] = NULL;
 723       }
 724     }
 725
 726     gdk_pixmap_unref(hashed_process_data->pixmap);
 727
 728     update_index_to_pixmap(process_list);
 729
 730     process_list->number_of_process--;
 731
 732     return 0;
 733   } else {
 734     return 1;
 735   }
 736 }
 737
 738
 739 #if 0
 740 static inline guint get_cpu_number_from_name(GQuark name)
 741 {
 742   const gchar *string;
 743   char *begin;
 744   guint cpu;
 745
 746   string = g_quark_to_string(name);
 747
 748   begin = strrchr(string, '/');
 749   begin++;
 750
 751   g_assert(begin != '\0');
 752
 753   cpu = strtoul(begin, NULL, 10);
 754
 755   return cpu;
 756 }
 757 #endif //0