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   guint a_pid, a_tgid, a_ppid, a_cpu;
  51   gulong a_birth_s, a_birth_ns;
  52   guint a_trace;
  53
  54   gchar *b_name;
  55   guint b_pid, b_tgid, b_ppid, b_cpu;
  56   gulong b_birth_s, b_birth_ns;
  57   guint b_trace;
  58
  59   gtk_tree_model_get(model,
  60            it_a,
  61            PROCESS_COLUMN, &a_name,
  62            PID_COLUMN, &a_pid,
  63            TGID_COLUMN, &a_tgid,
  64            PPID_COLUMN, &a_ppid,
  65            CPU_COLUMN, &a_cpu,
  66            BIRTH_S_COLUMN, &a_birth_s,
  67            BIRTH_NS_COLUMN, &a_birth_ns,
  68            TRACE_COLUMN, &a_trace,
  69            -1);
  70
  71   gtk_tree_model_get(model,
  72            it_b,
  73            PROCESS_COLUMN, &b_name,
  74            PID_COLUMN, &b_pid,
  75            TGID_COLUMN, &b_tgid,
  76            PPID_COLUMN, &b_ppid,
  77            CPU_COLUMN, &b_cpu,
  78            BIRTH_S_COLUMN, &b_birth_s,
  79            BIRTH_NS_COLUMN, &b_birth_ns,
  80            TRACE_COLUMN, &b_trace,
  81            -1);
  82
  83
  84   /* Order by PID */
  85   if(a_pid == 0 &&  b_pid == 0) {
  86     /* If 0, order by CPU */
  87     if(a_cpu > b_cpu) return 1;
  88     if(a_cpu < b_cpu) return -1;
  89
  90   } else { /* if not 0, order by pid */
  91
  92     if(a_pid > b_pid) return 1;
  93     if(a_pid < b_pid) return -1;
  94   }
  95
  96   /* Order by birth second */
  97
  98   if(a_birth_s > b_birth_s) return 1;
  99   if(a_birth_s < b_birth_s) return -1;
 100
 101
 102   /* Order by birth nanosecond */
 103   if(a_birth_ns > b_birth_ns) return 1;
 104   if(a_birth_ns < b_birth_ns) return -1;
 105
 106   /* Order by trace_num */
 107   if(a_trace > b_trace) return 1;
 108   if(a_trace < b_trace) return -1;
 109
 110   return 0;
 111
 112 }
 113
 114 static guint process_list_hash_fct(gconstpointer key)
 115 {
 116   guint pid = ((const ProcessInfo*)key)->pid;
 117   return ((pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ^ ((const ProcessInfo*)key)->cpu);
 118 }
 119
 120 /* If hash is good, should be different */
 121 static gboolean process_list_equ_fct(gconstpointer a, gconstpointer b)
 122 {
 123   const ProcessInfo *pa = (const ProcessInfo*)a;
 124   const ProcessInfo *pb = (const ProcessInfo*)b;
 125
 126   gboolean ret = TRUE;
 127
 128   if(likely(pa->pid != pb->pid))
 129     ret = FALSE;
 130   if(likely((pa->pid == 0 && (pa->cpu != pb->cpu))))
 131     ret = FALSE;
 132   //TODO ybrosseau 2012-09-18 Check if we want to reenable birth comparision
 133   // We currently do not have valid birth info, so don't compare it
 134   /*  if(unlikely(ltt_time_compare(pa->birth, pb->birth) != 0))
 135       ret = FALSE;*/
 136   if(unlikely(pa->trace_num != pb->trace_num))
 137     ret = FALSE;
 138
 139   return ret;
 140 }
 141
 142 void destroy_hash_key(gpointer key);
 143
 144 void destroy_hash_data(gpointer data);
 145
 146
 147 gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 148 {
 149   ControlFlowData *control_flow_data =
 150       (ControlFlowData*)g_object_get_data(
 151                 G_OBJECT(widget),
 152                 "control_flow_data");
 153   unsigned int cell_height =
 154       get_cell_height(GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
 155
 156   switch(event->direction) {
 157     case GDK_SCROLL_UP:
 158       gtk_adjustment_set_value(control_flow_data->v_adjust,
 159         gtk_adjustment_get_value(control_flow_data->v_adjust) - cell_height);
 160       break;
 161     case GDK_SCROLL_DOWN:
 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     default:
 166       g_error("should only scroll up and down.");
 167   }
 168   return TRUE;
 169 }
 170
 171
 172 static void update_index_to_pixmap_each(ProcessInfo *key,
 173                                         HashedProcessData *value,
 174                                         ProcessList *process_list)
 175 {
 176   guint array_index = processlist_get_index_from_data(process_list, value);
 177
 178   g_assert(array_index < process_list->index_to_pixmap->len);
 179
 180   GdkPixmap **pixmap =
 181     (GdkPixmap**)&g_ptr_array_index(process_list->index_to_pixmap, array_index);
 182
 183   *pixmap = value->pixmap;
 184 }
 185
 186
 187 void update_index_to_pixmap(ProcessList *process_list)
 188 {
 189   g_ptr_array_set_size(process_list->index_to_pixmap,
 190                        g_hash_table_size(process_list->process_hash));
 191   g_hash_table_foreach(process_list->process_hash,
 192                        (GHFunc)update_index_to_pixmap_each,
 193                        process_list);
 194 }
 195
 196
 197 static void update_pixmap_size_each(ProcessInfo *key,
 198                                     HashedProcessData *value,
 199                                     guint width)
 200 {
 201   GdkPixmap *old_pixmap = value->pixmap;
 202
 203   value->pixmap =
 204         gdk_pixmap_new(old_pixmap,
 205                        width,
 206                        value->height,
 207                        -1);
 208
 209   gdk_pixmap_unref(old_pixmap);
 210 }
 211
 212
 213 void update_pixmap_size(ProcessList *process_list, guint width)
 214 {
 215   g_hash_table_foreach(process_list->process_hash,
 216                        (GHFunc)update_pixmap_size_each,
 217                        GUINT_TO_POINTER(width));
 218 }
 219
 220
 221 typedef struct _CopyPixmap {
 222   GdkDrawable *dest;
 223   GdkGC *gc;
 224   GdkDrawable *src;
 225   gint xsrc, ysrc, xdest, ydest, width, height;
 226 } CopyPixmap;
 227
 228 static void copy_pixmap_region_each(ProcessInfo *key,
 229                                     HashedProcessData *value,
 230                                     CopyPixmap *cp)
 231 {
 232   GdkPixmap *src = cp->src;
 233   GdkPixmap *dest = cp->dest;
 234
 235   if(dest == NULL)
 236     dest = value->pixmap;
 237   if(src == NULL)
 238     src = value->pixmap;
 239
 240   gdk_draw_drawable (dest,
 241       cp->gc,
 242       src,
 243       cp->xsrc, cp->ysrc,
 244       cp->xdest, cp->ydest,
 245       cp->width, cp->height);
 246 }
 247
 248
 249
 250
 251 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 252     GdkGC *gc, GdkDrawable *src,
 253     gint xsrc, gint ysrc,
 254     gint xdest, gint ydest, gint width, gint height)
 255 {
 256   CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
 257
 258   g_hash_table_foreach(process_list->process_hash,
 259                        (GHFunc)copy_pixmap_region_each,
 260                        &cp);
 261 }
 262
 263
 264
 265 typedef struct _RectanglePixmap {
 266   gboolean filled;
 267   gint x, y, width, height;
 268   GdkGC *gc;
 269 } RectanglePixmap;
 270
 271 static void rectangle_pixmap_each(ProcessInfo *key,
 272                                   HashedProcessData *value,
 273                                   RectanglePixmap *rp)
 274 {
 275   if(rp->height == -1)
 276     rp->height = value->height;
 277
 278   gdk_draw_rectangle (value->pixmap,
 279       rp->gc,
 280       rp->filled,
 281       rp->x, rp->y,
 282       rp->width, rp->height);
 283 }
 284
 285
 286
 287
 288 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 289     gboolean filled, gint x, gint y, gint width, gint height)
 290 {
 291   RectanglePixmap rp = { filled, x, y, width, height, gc };
 292
 293   g_hash_table_foreach(process_list->process_hash,
 294                        (GHFunc)rectangle_pixmap_each,
 295                        &rp);
 296 }
 297
 298
 299 /* Renders each pixmaps into on big drawable */
 300 void copy_pixmap_to_screen(ProcessList *process_list,
 301     GdkDrawable *dest,
 302     GdkGC *gc,
 303     gint x, gint y,
 304     gint width, gint height)
 305 {
 306   if(process_list->index_to_pixmap->len == 0) return;
 307   guint cell_height = process_list->cell_height;
 308
 309   /* Get indexes */
 310   gint begin = floor(y/(double)cell_height);
 311   gint end = MIN(ceil((y+height)/(double)cell_height),
 312                  process_list->index_to_pixmap->len);
 313   gint i;
 314
 315   for(i=begin; i<end; i++) {
 316     g_assert(i<process_list->index_to_pixmap->len);
 317     /* Render the pixmap to the screen */
 318     GdkPixmap *pixmap =
 319       //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
 320       GDK_PIXMAP(g_ptr_array_index(process_list->index_to_pixmap, i));
 321
 322     gdk_draw_drawable (dest,
 323         gc,
 324         pixmap,
 325         x, 0,
 326         x, i*cell_height,
 327         width, cell_height);
 328
 329   }
 330
 331
 332 }
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342 ProcessList *processlist_construct(void)
 343 {
 344   GtkTreeViewColumn *column;
 345   GtkCellRenderer *renderer;
 346
 347   ProcessList* process_list = g_new(ProcessList,1);
 348
 349   process_list->number_of_process = 0;
 350
 351   process_list->current_hash_data = NULL;
 352
 353   /* Create the Process list */
 354   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 355               G_TYPE_STRING,
 356               G_TYPE_UINT,
 357               G_TYPE_UINT,
 358               G_TYPE_UINT,
 359               G_TYPE_UINT,
 360               G_TYPE_ULONG,
 361               G_TYPE_ULONG,
 362               G_TYPE_UINT);
 363
 364
 365   process_list->process_list_widget =
 366     gtk_tree_view_new_with_model
 367     (GTK_TREE_MODEL (process_list->list_store));
 368
 369   g_object_unref (G_OBJECT (process_list->list_store));
 370
 371   gtk_tree_sortable_set_default_sort_func(
 372       GTK_TREE_SORTABLE(process_list->list_store),
 373       process_sort_func,
 374       NULL,
 375       NULL);
 376
 377
 378   gtk_tree_sortable_set_sort_column_id(
 379       GTK_TREE_SORTABLE(process_list->list_store),
 380       GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 381       GTK_SORT_ASCENDING);
 382
 383
 384   process_list->process_hash = g_hash_table_new_full(
 385       process_list_hash_fct, process_list_equ_fct,
 386       destroy_hash_key, destroy_hash_data
 387       );
 388
 389
 390   gtk_tree_view_set_headers_visible(
 391     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 392
 393   /* Create a column, associating the "text" attribute of the
 394    * cell_renderer to the first column of the model */
 395   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 396   renderer = gtk_cell_renderer_text_new ();
 397   process_list->renderer = renderer;
 398
 399   /* Add a temporary row to the model to get the cell size when the first
 400    * real process is added. */
 401   GtkTreeIter iter;
 402   GtkTreePath *path;
 403   path = gtk_tree_path_new_first();
 404   gtk_tree_model_get_iter (gtk_tree_view_get_model(GTK_TREE_VIEW(process_list->process_list_widget)), &iter, path);
 405   gtk_list_store_append(process_list->list_store, &iter);
 406   gtk_tree_path_free(path);
 407
 408   process_list->cell_height = 0;        // not ready to get size yet.
 409
 410   column = gtk_tree_view_column_new_with_attributes ( "Process",
 411                 renderer,
 412                 "text",
 413                 PROCESS_COLUMN,
 414                 NULL);
 415   gtk_tree_view_column_set_alignment (column, 0.0);
 416   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 417   gtk_tree_view_column_set_resizable(column, TRUE);
 418   gtk_tree_view_append_column (
 419     GTK_TREE_VIEW (process_list->process_list_widget), column);
 420
 421   process_list->button = column->button;
 422
 423   column = gtk_tree_view_column_new_with_attributes ( "PID",
 424                 renderer,
 425                 "text",
 426                 PID_COLUMN,
 427                 NULL);
 428   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 429   gtk_tree_view_column_set_resizable(column, TRUE);
 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 ( "TGID",
 434                 renderer,
 435                 "text",
 436                 TGID_COLUMN,
 437                 NULL);
 438   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 439   gtk_tree_view_column_set_resizable(column, TRUE);
 440   gtk_tree_view_append_column (
 441     GTK_TREE_VIEW (process_list->process_list_widget), column);
 442
 443   column = gtk_tree_view_column_new_with_attributes ( "PPID",
 444                 renderer,
 445                 "text",
 446                 PPID_COLUMN,
 447                 NULL);
 448   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 449   gtk_tree_view_column_set_resizable(column, TRUE);
 450   gtk_tree_view_append_column (
 451     GTK_TREE_VIEW (process_list->process_list_widget), column);
 452
 453   column = gtk_tree_view_column_new_with_attributes ( "CPU",
 454                 renderer,
 455                 "text",
 456                 CPU_COLUMN,
 457                 NULL);
 458   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 459   gtk_tree_view_column_set_resizable(column, TRUE);
 460   gtk_tree_view_append_column (
 461     GTK_TREE_VIEW (process_list->process_list_widget), column);
 462
 463   column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
 464                 renderer,
 465                 "text",
 466                 BIRTH_S_COLUMN,
 467                 NULL);
 468   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 469   gtk_tree_view_column_set_resizable(column, TRUE);
 470   gtk_tree_view_append_column (
 471     GTK_TREE_VIEW (process_list->process_list_widget), column);
 472
 473   //gtk_tree_view_column_set_visible(column, 0);
 474   //
 475   column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 476                 renderer,
 477                 "text",
 478                 BIRTH_NS_COLUMN,
 479                 NULL);
 480   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 481   gtk_tree_view_column_set_resizable(column, TRUE);
 482   gtk_tree_view_append_column (
 483     GTK_TREE_VIEW (process_list->process_list_widget), column);
 484
 485   column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 486                 renderer,
 487                 "text",
 488                 TRACE_COLUMN,
 489                 NULL);
 490   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 491   gtk_tree_view_column_set_resizable(column, TRUE);
 492   gtk_tree_view_append_column (
 493     GTK_TREE_VIEW (process_list->process_list_widget), column);
 494
 495
 496   //gtk_tree_view_column_set_visible(column, 0);
 497
 498   g_object_set_data_full(
 499       G_OBJECT(process_list->process_list_widget),
 500       "process_list_Data",
 501       process_list,
 502       (GDestroyNotify)processlist_destroy);
 503
 504   process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
 505
 506   return process_list;
 507 }
 508
 509 void processlist_destroy(ProcessList *process_list)
 510 {
 511   g_debug("processlist_destroy %p", process_list);
 512   g_hash_table_destroy(process_list->process_hash);
 513   process_list->process_hash = NULL;
 514   g_ptr_array_free(process_list->index_to_pixmap, TRUE);
 515
 516   g_free(process_list);
 517   g_debug("processlist_destroy end");
 518 }
 519
 520 static gboolean remove_hash_item(ProcessInfo *process_info,
 521                                  HashedProcessData *hashed_process_data,
 522                                  ProcessList *process_list)
 523 {
 524   GtkTreeIter iter;
 525
 526   iter = hashed_process_data->y_iter;
 527
 528   gtk_list_store_remove (process_list->list_store, &iter);
 529   gdk_pixmap_unref(hashed_process_data->pixmap);
 530
 531   if(likely(process_list->current_hash_data != NULL)) {
 532     if(likely(hashed_process_data ==
 533                 process_list->current_hash_data[process_info->trace_num][process_info->cpu]))
 534       process_list->current_hash_data[process_info->trace_num][process_info->cpu] = NULL;
 535   }
 536   return TRUE; /* remove the element from the hash table */
 537 }
 538
 539 void processlist_clear(ProcessList *process_list)
 540 {
 541   g_info("processlist_clear %p", process_list);
 542
 543   g_hash_table_foreach_remove(process_list->process_hash,
 544                               (GHRFunc)remove_hash_item,
 545                               (gpointer)process_list);
 546   process_list->number_of_process = 0;
 547   update_index_to_pixmap(process_list);
 548 }
 549
 550
 551 GtkWidget *processlist_get_widget(ProcessList *process_list)
 552 {
 553   return process_list->process_list_widget;
 554 }
 555
 556
 557 void destroy_hash_key(gpointer key)
 558 {
 559   g_free(key);
 560 }
 561
 562 void destroy_hash_data(gpointer data)
 563 {
 564   g_free(data);
 565 }
 566
 567
 568 void processlist_set_name(ProcessList *process_list,
 569     GQuark name,
 570     HashedProcessData *hashed_process_data)
 571 {
 572   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 573         PROCESS_COLUMN, g_quark_to_string(name),
 574         -1);
 575 }
 576
 577 void processlist_set_tgid(ProcessList *process_list,
 578     guint tgid,
 579     HashedProcessData *hashed_process_data)
 580 {
 581   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 582         TGID_COLUMN, tgid,
 583         -1);
 584 }
 585
 586 void processlist_set_ppid(ProcessList *process_list,
 587     guint ppid,
 588     HashedProcessData *hashed_process_data)
 589 {
 590   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 591         PPID_COLUMN, ppid,
 592         -1);
 593 }
 594
 595
 596 int processlist_add(  ProcessList *process_list,
 597       Drawing_t *drawing,
 598       guint pid,
 599       guint tgid,
 600       guint cpu,
 601       guint ppid,
 602       LttTime *birth,
 603       guint trace_num,
 604       GQuark name,
 605       guint *height,
 606       ProcessInfo **pm_process_info,
 607       HashedProcessData **pm_hashed_process_data)
 608 {
 609   ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 610   HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 611   *pm_hashed_process_data = hashed_process_data;
 612   *pm_process_info = Process_Info;
 613
 614   Process_Info->pid = pid;
 615   Process_Info->tgid = tgid;
 616   if(pid == 0)
 617     Process_Info->cpu = cpu;
 618   else
 619     Process_Info->cpu = 0;
 620   Process_Info->ppid = ppid;
 621   Process_Info->birth = *birth;
 622   Process_Info->trace_num = trace_num;
 623
 624   /* When we create it from before state update, we are sure that the
 625    * last event occured before the beginning of the global area.
 626    *
 627    * If it is created after state update, this value (0) will be
 628    * overriden by the new state before anything is drawn.
 629    */
 630   hashed_process_data->x.over = 0;
 631   hashed_process_data->x.over_used = FALSE;
 632   hashed_process_data->x.over_marked = FALSE;
 633   hashed_process_data->x.middle = 0;
 634   hashed_process_data->x.middle_used = FALSE;
 635   hashed_process_data->x.middle_marked = FALSE;
 636   hashed_process_data->x.under = 0;
 637   hashed_process_data->x.under_used = FALSE;
 638   hashed_process_data->x.under_marked = FALSE;
 639   hashed_process_data->next_good_time = ltt_time_zero;
 640
 641   if (process_list->cell_height == 0) {
 642     GtkTreePath *path;
 643     GdkRectangle rect;
 644     GtkTreeIter iter;
 645
 646     path = gtk_tree_path_new_first();
 647     gtk_tree_model_get_iter (gtk_tree_view_get_model(GTK_TREE_VIEW(process_list->process_list_widget)), &iter, path);
 648     gtk_tree_view_get_background_area(
 649       GTK_TREE_VIEW(process_list->process_list_widget),
 650       path, NULL, &rect);
 651     gtk_list_store_remove(process_list->list_store, &iter);
 652     gtk_tree_path_free (path);
 653     process_list->cell_height = rect.height;
 654   }
 655
 656   /* Add a new row to the model */
 657   gtk_list_store_append ( process_list->list_store,
 658                           &hashed_process_data->y_iter);
 659
 660   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 661         PROCESS_COLUMN, g_quark_to_string(name),
 662         PID_COLUMN, pid,
 663         TGID_COLUMN, tgid,
 664         PPID_COLUMN, ppid,
 665         CPU_COLUMN, cpu,
 666         BIRTH_S_COLUMN, birth->tv_sec,
 667         BIRTH_NS_COLUMN, birth->tv_nsec,
 668         TRACE_COLUMN, trace_num,
 669         -1);
 670   //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
 671   //                        GTK_TREE_MODEL(process_list->list_store));
 672   //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
 673
 674   g_hash_table_insert(process_list->process_hash,
 675         (gpointer)Process_Info,
 676         (gpointer)hashed_process_data);
 677
 678   process_list->number_of_process++;
 679 #if 0
 680   GtkTreePath *path;
 681   GdkRectangle rect;
 682   gtk_widget_queue_draw(process_list->process_list_widget);
 683   path = gtk_tree_path_new_first();
 684   gtk_tree_view_get_background_area(GTK_TREE_VIEW(process_list->process_list_widget),
 685     path, NULL, &rect);
 686   gtk_tree_path_free (path);
 687   process_list->cell_height = rect.height;
 688 #endif //0
 689
 690
 691   hashed_process_data->height = process_list->cell_height;
 692   g_assert(hashed_process_data->height != 0);
 693
 694   *height = hashed_process_data->height * process_list->number_of_process;
 695
 696   hashed_process_data->pixmap =
 697         gdk_pixmap_new(drawing->drawing_area->window,
 698                        drawing->alloc_width,
 699                        hashed_process_data->height,
 700                        -1);
 701
 702   // Clear the image
 703   gdk_draw_rectangle (hashed_process_data->pixmap,
 704         drawing->drawing_area->style->black_gc,
 705         TRUE,
 706         0, 0,
 707         drawing->alloc_width,
 708         hashed_process_data->height);
 709
 710   update_index_to_pixmap(process_list);
 711
 712
 713   return 0;
 714 }
 715
 716 int processlist_remove( ProcessList *process_list,
 717       guint pid,
 718       guint cpu,
 719       LttTime *birth,
 720       guint trace_num)
 721 {
 722   ProcessInfo process_info;
 723   HashedProcessData *hashed_process_data;
 724   GtkTreeIter iter;
 725
 726   process_info.pid = pid;
 727   if(pid == 0)
 728     process_info.cpu = cpu;
 729   else
 730     process_info.cpu = 0;
 731   process_info.birth = *birth;
 732   process_info.trace_num = trace_num;
 733
 734
 735   hashed_process_data =
 736     (HashedProcessData*)g_hash_table_lookup(
 737           process_list->process_hash,
 738           &process_info);
 739   if(likely(hashed_process_data != NULL))
 740   {
 741     iter = hashed_process_data->y_iter;
 742
 743     gtk_list_store_remove (process_list->list_store, &iter);
 744
 745     g_hash_table_remove(process_list->process_hash,
 746         &process_info);
 747
 748     if(likely(process_list->current_hash_data != NULL)) {
 749       if(likely(hashed_process_data == process_list->current_hash_data[trace_num][cpu])) {
 750         process_list->current_hash_data[trace_num][cpu] = NULL;
 751       }
 752     }
 753
 754     gdk_pixmap_unref(hashed_process_data->pixmap);
 755
 756     update_index_to_pixmap(process_list);
 757
 758     process_list->number_of_process--;
 759
 760     return 0;
 761   } else {
 762     return 1;
 763   }
 764 }
 765
 766
 767 #if 0
 768 static inline guint get_cpu_number_from_name(GQuark name)
 769 {
 770   const gchar *string;
 771   char *begin;
 772   guint cpu;
 773
 774   string = g_quark_to_string(name);
 775
 776   begin = strrchr(string, '/');
 777   begin++;
 778
 779   g_assert(begin != '\0');
 780
 781   cpu = strtoul(begin, NULL, 10);
 782
 783   return cpu;
 784 }
 785 #endif //0