ltt/branches/poly/lttv/modules/gui/resourceview/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_tgid, a_ppid, a_cpu;
  53   gulong a_birth_s, a_birth_ns;
  54   guint a_trace;
  55
  56   gchar *b_name;
  57   gchar *b_brand;
  58   guint b_pid, b_tgid, b_ppid, b_cpu;
  59   gulong b_birth_s, b_birth_ns;
  60   guint b_trace;
  61
  62   gtk_tree_model_get(model,
  63            it_a,
  64            PROCESS_COLUMN, &a_name,
  65            BRAND_COLUMN, &a_brand,
  66            PID_COLUMN, &a_pid,
  67            TGID_COLUMN, &a_tgid,
  68            PPID_COLUMN, &a_ppid,
  69            CPU_COLUMN, &a_cpu,
  70            BIRTH_S_COLUMN, &a_birth_s,
  71            BIRTH_NS_COLUMN, &a_birth_ns,
  72            TRACE_COLUMN, &a_trace,
  73            -1);
  74
  75   gtk_tree_model_get(model,
  76            it_b,
  77            PROCESS_COLUMN, &b_name,
  78            BRAND_COLUMN, &b_brand,
  79            PID_COLUMN, &b_pid,
  80            TGID_COLUMN, &b_tgid,
  81            PPID_COLUMN, &b_ppid,
  82            CPU_COLUMN, &b_cpu,
  83            BIRTH_S_COLUMN, &b_birth_s,
  84            BIRTH_NS_COLUMN, &b_birth_ns,
  85            TRACE_COLUMN, &b_trace,
  86            -1);
  87
  88
  89   /* Order by PID */
  90   if(a_pid == 0 &&  b_pid == 0) {
  91     /* If 0, order by CPU */
  92     if(a_cpu > b_cpu) return 1;
  93     if(a_cpu < b_cpu) return -1;
  94
  95   } else { /* if not 0, order by pid */
  96
  97     if(a_pid > b_pid) return 1;
  98     if(a_pid < b_pid) return -1;
  99   }
 100
 101   /* Order by birth second */
 102
 103   if(a_birth_s > b_birth_s) return 1;
 104   if(a_birth_s < b_birth_s) return -1;
 105
 106
 107   /* Order by birth nanosecond */
 108   if(a_birth_ns > b_birth_ns) return 1;
 109   if(a_birth_ns < b_birth_ns) return -1;
 110
 111   /* Order by trace_num */
 112   if(a_trace > b_trace) return 1;
 113   if(a_trace < b_trace) return -1;
 114
 115   return 0;
 116
 117 }
 118
 119 static guint process_list_hash_fct(gconstpointer key)
 120 {
 121   guint pid = ((const ProcessInfo*)key)->pid;
 122   return ((pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ^ ((const ProcessInfo*)key)->cpu);
 123 }
 124
 125 /* If hash is good, should be different */
 126 static gboolean process_list_equ_fct(gconstpointer a, gconstpointer b)
 127 {
 128   const ProcessInfo *pa = (const ProcessInfo*)a;
 129   const ProcessInfo *pb = (const ProcessInfo*)b;
 130
 131   gboolean ret = TRUE;
 132
 133   if(likely(pa->pid != pb->pid))
 134     ret = FALSE;
 135   if(likely((pa->pid == 0 && (pa->cpu != pb->cpu))))
 136     ret = FALSE;
 137   if(unlikely(ltt_time_compare(pa->birth, pb->birth) != 0))
 138     ret = FALSE;
 139   if(unlikely(pa->trace_num != pb->trace_num))
 140     ret = FALSE;
 141
 142   return ret;
 143 }
 144
 145 void destroy_hash_key(gpointer key);
 146
 147 void destroy_hash_data(gpointer data);
 148
 149
 150 gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 151 {
 152   ControlFlowData *control_flow_data =
 153       (ControlFlowData*)g_object_get_data(
 154                 G_OBJECT(widget),
 155                 "control_flow_data");
 156   Drawing_t *drawing = control_flow_data->drawing;
 157         unsigned int cell_height =
 158                 get_cell_height(GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
 159
 160   switch(event->direction) {
 161     case GDK_SCROLL_UP:
 162       gtk_adjustment_set_value(control_flow_data->v_adjust,
 163         gtk_adjustment_get_value(control_flow_data->v_adjust) - cell_height);
 164       break;
 165     case GDK_SCROLL_DOWN:
 166       gtk_adjustment_set_value(control_flow_data->v_adjust,
 167         gtk_adjustment_get_value(control_flow_data->v_adjust) + cell_height);
 168       break;
 169     default:
 170       g_error("should only scroll up and down.");
 171   }
 172         return TRUE;
 173 }
 174
 175
 176 static void update_index_to_pixmap_each(ProcessInfo *key,
 177                                         HashedProcessData *value,
 178                                         ProcessList *process_list)
 179 {
 180   guint array_index = processlist_get_index_from_data(process_list, value);
 181
 182   g_assert(array_index < process_list->index_to_pixmap->len);
 183
 184   GdkPixmap **pixmap =
 185     (GdkPixmap**)&g_ptr_array_index(process_list->index_to_pixmap, array_index);
 186
 187   *pixmap = value->pixmap;
 188 }
 189
 190
 191 void update_index_to_pixmap(ProcessList *process_list)
 192 {
 193   g_ptr_array_set_size(process_list->index_to_pixmap,
 194                        g_hash_table_size(process_list->process_hash));
 195   g_hash_table_foreach(process_list->process_hash,
 196                        (GHFunc)update_index_to_pixmap_each,
 197                        process_list);
 198 }
 199
 200
 201 static void update_pixmap_size_each(ProcessInfo *key,
 202                                     HashedProcessData *value,
 203                                     guint width)
 204 {
 205   GdkPixmap *old_pixmap = value->pixmap;
 206
 207   value->pixmap =
 208         gdk_pixmap_new(old_pixmap,
 209                        width,
 210                        value->height,
 211                        -1);
 212
 213   gdk_pixmap_unref(old_pixmap);
 214 }
 215
 216
 217 void update_pixmap_size(ProcessList *process_list, guint width)
 218 {
 219   g_hash_table_foreach(process_list->process_hash,
 220                        (GHFunc)update_pixmap_size_each,
 221                        (gpointer)width);
 222 }
 223
 224
 225 typedef struct _CopyPixmap {
 226   GdkDrawable *dest;
 227   GdkGC *gc;
 228   GdkDrawable *src;
 229   gint xsrc, ysrc, xdest, ydest, width, height;
 230 } CopyPixmap;
 231
 232 static void copy_pixmap_region_each(ProcessInfo *key,
 233                                     HashedProcessData *value,
 234                                     CopyPixmap *cp)
 235 {
 236   GdkPixmap *src = cp->src;
 237   GdkPixmap *dest = cp->dest;
 238
 239   if(dest == NULL)
 240     dest = value->pixmap;
 241   if(src == NULL)
 242     src = value->pixmap;
 243
 244   gdk_draw_drawable (dest,
 245       cp->gc,
 246       src,
 247       cp->xsrc, cp->ysrc,
 248       cp->xdest, cp->ydest,
 249       cp->width, cp->height);
 250 }
 251
 252 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 253     GdkGC *gc, GdkDrawable *src,
 254     gint xsrc, gint ysrc,
 255     gint xdest, gint ydest, gint width, gint height)
 256 {
 257   CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
 258
 259   g_hash_table_foreach(process_list->process_hash,
 260                        (GHFunc)copy_pixmap_region_each,
 261                        &cp);
 262 }
 263
 264
 265
 266 typedef struct _RectanglePixmap {
 267   gboolean filled;
 268   gint x, y, width, height;
 269   GdkGC *gc;
 270 } RectanglePixmap;
 271
 272 static void rectangle_pixmap_each(ProcessInfo *key,
 273                                   HashedProcessData *value,
 274                                   RectanglePixmap *rp)
 275 {
 276   if(rp->height == -1)
 277     rp->height = value->height;
 278
 279   gdk_draw_rectangle (value->pixmap,
 280       rp->gc,
 281       rp->filled,
 282       rp->x, rp->y,
 283       rp->width, rp->height);
 284 }
 285
 286
 287
 288
 289 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 290     gboolean filled, gint x, gint y, gint width, gint height)
 291 {
 292   RectanglePixmap rp = { filled, x, y, width, height, gc };
 293
 294   g_hash_table_foreach(process_list->process_hash,
 295                        (GHFunc)rectangle_pixmap_each,
 296                        &rp);
 297 }
 298
 299
 300 /* Renders each pixmaps into on big drawable */
 301 void copy_pixmap_to_screen(ProcessList *process_list,
 302     GdkDrawable *dest,
 303     GdkGC *gc,
 304     gint x, gint y,
 305     gint width, gint height)
 306 {
 307   if(process_list->index_to_pixmap->len == 0) return;
 308   guint cell_height = process_list->cell_height;
 309
 310   /* Get indexes */
 311   gint begin = floor(y/(double)cell_height);
 312   gint end = MIN(ceil((y+height)/(double)cell_height),
 313                  process_list->index_to_pixmap->len);
 314   gint i;
 315
 316   for(i=begin; i<end; i++) {
 317     g_assert(i<process_list->index_to_pixmap->len);
 318     /* Render the pixmap to the screen */
 319     GdkPixmap *pixmap =
 320       //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
 321       GDK_PIXMAP(g_ptr_array_index(process_list->index_to_pixmap, i));
 322
 323     gdk_draw_drawable (dest,
 324         gc,
 325         pixmap,
 326         x, 0,
 327         x, i*cell_height,
 328         width, cell_height);
 329
 330   }
 331 }
 332
 333 ProcessList *processlist_construct(void)
 334 {
 335   GtkTreeViewColumn *column;
 336   GtkCellRenderer *renderer;
 337
 338   ProcessList* process_list = g_new(ProcessList,1);
 339
 340   process_list->number_of_process = 0;
 341
 342   process_list->current_hash_data = NULL;
 343
 344   /* Create the Process list */
 345   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 346               G_TYPE_STRING,
 347               G_TYPE_STRING,
 348               G_TYPE_UINT,
 349               G_TYPE_UINT,
 350               G_TYPE_UINT,
 351               G_TYPE_UINT,
 352               G_TYPE_ULONG,
 353               G_TYPE_ULONG,
 354               G_TYPE_UINT);
 355
 356
 357   process_list->process_list_widget =
 358     gtk_tree_view_new_with_model
 359     (GTK_TREE_MODEL (process_list->list_store));
 360
 361   g_object_unref (G_OBJECT (process_list->list_store));
 362
 363   gtk_tree_sortable_set_default_sort_func(
 364       GTK_TREE_SORTABLE(process_list->list_store),
 365       process_sort_func,
 366       NULL,
 367       NULL);
 368
 369
 370   gtk_tree_sortable_set_sort_column_id(
 371       GTK_TREE_SORTABLE(process_list->list_store),
 372       GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 373       GTK_SORT_ASCENDING);
 374
 375
 376   process_list->process_hash = g_hash_table_new_full(
 377       process_list_hash_fct, process_list_equ_fct,
 378       destroy_hash_key, destroy_hash_data
 379       );
 380
 381
 382   gtk_tree_view_set_headers_visible(
 383     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 384
 385   /* Create a column, associating the "text" attribute of the
 386    * cell_renderer to the first column of the model */
 387   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 388   renderer = gtk_cell_renderer_text_new ();
 389   process_list->renderer = renderer;
 390
 391         gint vertical_separator;
 392         gtk_widget_style_get (GTK_WIDGET (process_list->process_list_widget),
 393                         "vertical-separator", &vertical_separator,
 394                         NULL);
 395   gtk_cell_renderer_get_size(renderer,
 396       GTK_WIDGET(process_list->process_list_widget),
 397       NULL,
 398       NULL,
 399       NULL,
 400       NULL,
 401       &process_list->cell_height);
 402
 403 #if GTK_CHECK_VERSION(2,4,15)
 404   guint ypad;
 405   g_object_get(G_OBJECT(renderer), "ypad", &ypad, NULL);
 406
 407   process_list->cell_height += ypad;
 408 #endif
 409   process_list->cell_height += vertical_separator;
 410
 411
 412   column = gtk_tree_view_column_new_with_attributes ( "Resource",
 413                 renderer,
 414                 "text",
 415                 PROCESS_COLUMN,
 416                 NULL);
 417   gtk_tree_view_column_set_alignment (column, 0.0);
 418   gtk_tree_view_column_set_fixed_width (column, 45);
 419   gtk_tree_view_append_column (
 420     GTK_TREE_VIEW (process_list->process_list_widget), column);
 421
 422   process_list->button = column->button;
 423
 424 //  column = gtk_tree_view_column_new_with_attributes ( "Brand",
 425 //                renderer,
 426 //                "text",
 427 //                BRAND_COLUMN,
 428 //                NULL);
 429 //  gtk_tree_view_column_set_alignment (column, 0.0);
 430 //  gtk_tree_view_column_set_fixed_width (column, 45);
 431 //  gtk_tree_view_append_column (
 432 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 433 //
 434 //  column = gtk_tree_view_column_new_with_attributes ( "PID",
 435 //                renderer,
 436 //                "text",
 437 //                PID_COLUMN,
 438 //                NULL);
 439 //  gtk_tree_view_append_column (
 440 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 441 //
 442 //  column = gtk_tree_view_column_new_with_attributes ( "TGID",
 443 //                renderer,
 444 //                "text",
 445 //                TGID_COLUMN,
 446 //                NULL);
 447 //  gtk_tree_view_append_column (
 448 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 449 //
 450 //  column = gtk_tree_view_column_new_with_attributes ( "PPID",
 451 //                renderer,
 452 //                "text",
 453 //                PPID_COLUMN,
 454 //                NULL);
 455 //  gtk_tree_view_append_column (
 456 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 457 //
 458 //  column = gtk_tree_view_column_new_with_attributes ( "CPU",
 459 //                renderer,
 460 //                "text",
 461 //                CPU_COLUMN,
 462 //                NULL);
 463 //  gtk_tree_view_append_column (
 464 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 465 //
 466 //  column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
 467 //                renderer,
 468 //                "text",
 469 //                BIRTH_S_COLUMN,
 470 //                NULL);
 471 //  gtk_tree_view_append_column (
 472 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 473 //
 474 //  //gtk_tree_view_column_set_visible(column, 0);
 475 //  //
 476 //  column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 477 //                renderer,
 478 //                "text",
 479 //                BIRTH_NS_COLUMN,
 480 //                NULL);
 481 //  gtk_tree_view_append_column (
 482 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 483 //
 484 //  column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 485 //                renderer,
 486 //                "text",
 487 //                TRACE_COLUMN,
 488 //                NULL);
 489 //  gtk_tree_view_append_column (
 490 //    GTK_TREE_VIEW (process_list->process_list_widget), column);
 491
 492
 493   //gtk_tree_view_column_set_visible(column, 0);
 494
 495   g_object_set_data_full(
 496       G_OBJECT(process_list->process_list_widget),
 497       "process_list_Data",
 498       process_list,
 499       (GDestroyNotify)processlist_destroy);
 500
 501   process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
 502
 503   return process_list;
 504 }
 505
 506 void processlist_destroy(ProcessList *process_list)
 507 {
 508   g_debug("processlist_destroy %p", process_list);
 509   g_hash_table_destroy(process_list->process_hash);
 510   process_list->process_hash = NULL;
 511   g_ptr_array_free(process_list->index_to_pixmap, TRUE);
 512
 513   g_free(process_list);
 514   g_debug("processlist_destroy end");
 515 }
 516
 517 static gboolean remove_hash_item(ProcessInfo *process_info,
 518                                  HashedProcessData *hashed_process_data,
 519                                  ProcessList *process_list)
 520 {
 521   GtkTreeIter iter;
 522
 523   iter = hashed_process_data->y_iter;
 524
 525   gtk_list_store_remove (process_list->list_store, &iter);
 526   gdk_pixmap_unref(hashed_process_data->pixmap);
 527
 528   if(likely(process_list->current_hash_data != NULL)) {
 529     if(likely(hashed_process_data ==
 530                 process_list->current_hash_data[process_info->trace_num][process_info->cpu]))
 531       process_list->current_hash_data[process_info->trace_num][process_info->cpu] = NULL;
 532   }
 533   return TRUE; /* remove the element from the hash table */
 534 }
 535
 536 void processlist_clear(ProcessList *process_list)
 537 {
 538   g_info("processlist_clear %p", process_list);
 539
 540   g_hash_table_foreach_remove(process_list->process_hash,
 541                               (GHRFunc)remove_hash_item,
 542                               (gpointer)process_list);
 543   process_list->number_of_process = 0;
 544   update_index_to_pixmap(process_list);
 545 }
 546
 547
 548 GtkWidget *processlist_get_widget(ProcessList *process_list)
 549 {
 550   return process_list->process_list_widget;
 551 }
 552
 553
 554 void destroy_hash_key(gpointer key)
 555 {
 556   g_free(key);
 557 }
 558
 559 void destroy_hash_data(gpointer data)
 560 {
 561   g_free(data);
 562 }
 563
 564
 565 void processlist_set_name(ProcessList *process_list,
 566     GQuark name,
 567     HashedProcessData *hashed_process_data)
 568 {
 569   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 570         PROCESS_COLUMN, g_quark_to_string(name),
 571         -1);
 572 }
 573
 574 void processlist_set_brand(ProcessList *process_list,
 575     GQuark brand,
 576     HashedProcessData *hashed_process_data)
 577 {
 578   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 579         BRAND_COLUMN, g_quark_to_string(brand),
 580         -1);
 581 }
 582
 583 void processlist_set_tgid(ProcessList *process_list,
 584     guint tgid,
 585     HashedProcessData *hashed_process_data)
 586 {
 587   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 588         TGID_COLUMN, tgid,
 589         -1);
 590 }
 591
 592 void processlist_set_ppid(ProcessList *process_list,
 593     guint ppid,
 594     HashedProcessData *hashed_process_data)
 595 {
 596   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 597         PPID_COLUMN, ppid,
 598         -1);
 599 }
 600
 601 int resourcelist_add(  ProcessList *process_list,
 602       Drawing_t *drawing,
 603 //      guint pid,
 604 //      guint tgid,
 605 //      guint cpu,
 606 //      guint ppid,
 607 //      LttTime *birth,
 608 //      guint trace_num,
 609       GQuark name,
 610 //      GQuark brand,
 611       guint *height,
 612       ResourceInfo **pm_process_info,
 613       ProcessInfo
 614       ResourceProcessData **pm_hashed_process_data)
 615 {
 616   ResourceInfo *Process_Info = g_new(ProcessInfo, 1);
 617   HashedResourceData *hashed_resource_data = g_new(HashedProcessData, 1);
 618   *pm_hashed_resource_data = hashed_resource_data;
 619   *pm_resource_info = Resource_Info;
 620
 621 //  Process_Info->pid = pid;
 622 //  Process_Info->tgid = tgid;
 623 //  if(pid == 0)
 624 //    Process_Info->cpu = cpu;
 625 //  else
 626 //    Process_Info->cpu = 0;
 627 //  Process_Info->ppid = ppid;
 628 //  Process_Info->birth = *birth;
 629 //  Process_Info->trace_num = trace_num;
 630
 631   /* When we create it from before state update, we are sure that the
 632    * last event occured before the beginning of the global area.
 633    *
 634    * If it is created after state update, this value (0) will be
 635    * overriden by the new state before anything is drawn.
 636    *
 637    * There are 3 potential lines for the each process: one in the middle,
 638    * one under it and one over it. The {over,middle,under} fields tell us
 639    * the x pixel on the pixmap where we are. The _used fields tell us
 640    * whether that pixel was used. The _marked field tells us if we marked a
 641    * conflict point.
 642    */
 643   hashed_resource_data->x.over = 0;
 644   hashed_resource_data->x.over_used = FALSE;
 645   hashed_resource_data->x.over_marked = FALSE;
 646   hashed_resource_data->x.middle = 0; // last
 647   hashed_resource_data->x.middle_used = FALSE;
 648   hashed_resource_data->x.middle_marked = FALSE;
 649   hashed_resource_data->x.under = 0;
 650   hashed_resource_data->x.under_used = FALSE;
 651   hashed_resource_data->x.under_marked = FALSE;
 652   hashed_resource_data->next_good_time = ltt_time_zero;
 653
 654   /* Add a new row to the model */
 655   gtk_list_store_append ( process_list->list_store,
 656                           &hashed_process_data->y_iter);
 657
 658   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 659         PROCESS_COLUMN, g_quark_to_string(name),
 660         -1);
 661
 662   g_hash_table_insert(process_list->process_hash,
 663         (gpointer)Process_Info,
 664         (gpointer)hashed_process_data);
 665
 666   process_list->number_of_process++; // of resources
 667
 668   hashed_process_data->height = process_list->cell_height;
 669
 670   g_assert(hashed_process_data->height != 0);
 671
 672   *height = hashed_process_data->height * process_list->number_of_process;
 673
 674   hashed_process_data->pixmap =
 675         gdk_pixmap_new(drawing->drawing_area->window,
 676                        drawing->alloc_width,
 677                        hashed_process_data->height,
 678                        -1);
 679
 680   // Clear the image with black background
 681   gdk_draw_rectangle (hashed_process_data->pixmap,
 682         drawing->drawing_area->style->black_gc,
 683         TRUE,
 684         0, 0,
 685         drawing->alloc_width,
 686         hashed_process_data->height);
 687
 688   update_index_to_pixmap(process_list);
 689
 690   return 0;
 691 }
 692 //int processlist_add(  ProcessList *process_list,
 693 //      Drawing_t *drawing,
 694 //      guint pid,
 695 //      guint tgid,
 696 //      guint cpu,
 697 //      guint ppid,
 698 //      LttTime *birth,
 699 //      guint trace_num,
 700 //      GQuark name,
 701 //      GQuark brand,
 702 //      guint *height,
 703 //      ProcessInfo **pm_process_info,
 704 //      HashedProcessData **pm_hashed_process_data)
 705 //{
 706 //  ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 707 //  HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 708 //  *pm_hashed_process_data = hashed_process_data;
 709 //  *pm_process_info = Process_Info;
 710 //
 711 //  Process_Info->pid = pid;
 712 //  Process_Info->tgid = tgid;
 713 //  if(pid == 0)
 714 //    Process_Info->cpu = cpu;
 715 //  else
 716 //    Process_Info->cpu = 0;
 717 //  Process_Info->ppid = ppid;
 718 //  Process_Info->birth = *birth;
 719 //  Process_Info->trace_num = trace_num;
 720 //
 721 //  /* When we create it from before state update, we are sure that the
 722 //   * last event occured before the beginning of the global area.
 723 //   *
 724 //   * If it is created after state update, this value (0) will be
 725 //   * overriden by the new state before anything is drawn.
 726 //   */
 727 //  hashed_process_data->x.over = 0;
 728 //  hashed_process_data->x.over_used = FALSE;
 729 //  hashed_process_data->x.over_marked = FALSE;
 730 //  hashed_process_data->x.middle = 0;
 731 //  hashed_process_data->x.middle_used = FALSE;
 732 //  hashed_process_data->x.middle_marked = FALSE;
 733 //  hashed_process_data->x.under = 0;
 734 //  hashed_process_data->x.under_used = FALSE;
 735 //  hashed_process_data->x.under_marked = FALSE;
 736 //  hashed_process_data->next_good_time = ltt_time_zero;
 737 //
 738 //  /* Add a new row to the model */
 739 //  gtk_list_store_append ( process_list->list_store,
 740 //                          &hashed_process_data->y_iter);
 741 //
 742 //  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 743 //        PROCESS_COLUMN, g_quark_to_string(name),
 744 //        BRAND_COLUMN, g_quark_to_string(brand),
 745 //        PID_COLUMN, pid,
 746 //        TGID_COLUMN, tgid,
 747 //        PPID_COLUMN, ppid,
 748 //        CPU_COLUMN, cpu,
 749 //        BIRTH_S_COLUMN, birth->tv_sec,
 750 //        BIRTH_NS_COLUMN, birth->tv_nsec,
 751 //        TRACE_COLUMN, trace_num,
 752 //        -1);
 753 //  //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
 754 //  //                        GTK_TREE_MODEL(process_list->list_store));
 755 //  //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
 756 //
 757 //  g_hash_table_insert(process_list->process_hash,
 758 //        (gpointer)Process_Info,
 759 //        (gpointer)hashed_process_data);
 760 //
 761 //  process_list->number_of_process++;
 762 //
 763 //  hashed_process_data->height = process_list->cell_height;
 764 //
 765 //  g_assert(hashed_process_data->height != 0);
 766 //
 767 //  *height = hashed_process_data->height * process_list->number_of_process;
 768 //
 769 //  hashed_process_data->pixmap =
 770 //        gdk_pixmap_new(drawing->drawing_area->window,
 771 //                       drawing->alloc_width,
 772 //                       hashed_process_data->height,
 773 //                       -1);
 774 //
 775 //  // Clear the image
 776 //  gdk_draw_rectangle (hashed_process_data->pixmap,
 777 //        drawing->drawing_area->style->black_gc,
 778 //        TRUE,
 779 //        0, 0,
 780 //        drawing->alloc_width,
 781 //        hashed_process_data->height);
 782 //
 783 //  update_index_to_pixmap(process_list);
 784 //
 785 //
 786 //  return 0;
 787 //}
 788
 789 int processlist_remove( ProcessList *process_list,
 790       guint pid,
 791       guint cpu,
 792       LttTime *birth,
 793       guint trace_num)
 794 {
 795   ProcessInfo process_info;
 796   HashedProcessData *hashed_process_data;
 797   GtkTreeIter iter;
 798
 799   process_info.pid = pid;
 800   if(pid == 0)
 801     process_info.cpu = cpu;
 802   else
 803     process_info.cpu = 0;
 804   process_info.birth = *birth;
 805   process_info.trace_num = trace_num;
 806
 807
 808   hashed_process_data =
 809     (HashedProcessData*)g_hash_table_lookup(
 810           process_list->process_hash,
 811           &process_info);
 812   if(likely(hashed_process_data != NULL))
 813   {
 814     iter = hashed_process_data->y_iter;
 815
 816     gtk_list_store_remove (process_list->list_store, &iter);
 817
 818     g_hash_table_remove(process_list->process_hash,
 819         &process_info);
 820
 821     if(likely(process_list->current_hash_data != NULL)) {
 822       if(likely(hashed_process_data == process_list->current_hash_data[trace_num][cpu])) {
 823         process_list->current_hash_data[trace_num][cpu] = NULL;
 824       }
 825     }
 826
 827     gdk_pixmap_unref(hashed_process_data->pixmap);
 828
 829     update_index_to_pixmap(process_list);
 830
 831     process_list->number_of_process--;
 832
 833     return 0;
 834   } else {
 835     return 1;
 836   }
 837 }
 838
 839
 840 #if 0
 841 static inline guint get_cpu_number_from_name(GQuark name)
 842 {
 843   const gchar *string;
 844   char *begin;
 845   guint cpu;
 846
 847   string = g_quark_to_string(name);
 848
 849   begin = strrchr(string, '/');
 850   begin++;
 851
 852   g_assert(begin != '\0');
 853
 854   cpu = strtoul(begin, NULL, 10);
 855
 856   return cpu;
 857 }
 858 #endif //0