update compat

[lttv.git] / ltt / branches / poly / lttv / modules / gui / resourceview / processlist.c

/* This file is part of the Linux Trace Toolkit viewer
 * Copyright (C) 2003-2004 Mathieu Desnoyers
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License Version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, 
 * MA 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <glib.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#

#include "processlist.h"
#include "drawing.h"
#include "drawitem.h"

#define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
//#define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)

/* Preallocated Size of the index_to_pixmap array */
#define ALLOCATE_PROCESSES 1000

/*****************************************************************************
 *                       Methods to synchronize process list                 *
 *****************************************************************************/


gint resource_sort_func  ( GtkTreeModel *model,
        GtkTreeIter *it_a,
        GtkTreeIter *it_b,
        gpointer user_data)
{
  gchar *a_name;
  gchar *b_name;

  gtk_tree_model_get(model, it_a, NAME_COLUMN, &a_name, -1);

  gtk_tree_model_get(model, it_b, NAME_COLUMN, &b_name, -1);

  return strcmp(a_name, b_name);
}

//static guint process_list_hash_fct(gconstpointer key)
//{
//  guint pid = ((const ResourceInfo*)key)->pid;
//  return ((pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ^ ((const ResourceInfo*)key)->cpu);
//}
//
///* If hash is good, should be different */
//static gboolean process_list_equ_fct(gconstpointer a, gconstpointer b)
//{
//  const ResourceInfo *pa = (const ResourceInfo*)a;
//  const ResourceInfo *pb = (const ResourceInfo*)b;
//  
//  gboolean ret = TRUE;
//
//  if(likely(pa->pid != pb->pid))
//    ret = FALSE;
//  if(likely((pa->pid == 0 && (pa->cpu != pb->cpu))))
//    ret = FALSE;
//  if(unlikely(ltt_time_compare(pa->birth, pb->birth) != 0))
//    ret = FALSE;
//  if(unlikely(pa->trace_num != pb->trace_num))
//    ret = FALSE;
//
//  return ret;
//}

static guint resource_list_hash_fct(gconstpointer key)
{
  gchar *name = g_quark_to_string(((const ResourceInfo*)key)->name);
  return g_str_hash(name);
}

static gboolean resource_list_equ_fct(gconstpointer a, gconstpointer b)
{
  const ResourceInfo *pa = (const ResourceInfo*)a;
  const ResourceInfo *pb = (const ResourceInfo*)b;
  
  gboolean ret = TRUE;

  /* TODO pmf: add some else's here to make it faster */
  /* TODO pmf: this is highly inefficient */

  if(likely(strcmp(g_quark_to_string(pa->name), g_quark_to_string(pb->name)) != 0))
    ret = FALSE;
  if(unlikely(pa->trace_num != pb->trace_num))
    ret = FALSE;

  return ret;
}

void destroy_hash_key(gpointer key);

void destroy_hash_data(gpointer data);


gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
{
  ControlFlowData *control_flow_data = 
      (ControlFlowData*)g_object_get_data(
                G_OBJECT(widget),
                "control_flow_data");
  Drawing_t *drawing = control_flow_data->drawing;
	unsigned int cell_height =
		get_cell_height(GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));

  switch(event->direction) {
    case GDK_SCROLL_UP:
      gtk_adjustment_set_value(control_flow_data->v_adjust,
        gtk_adjustment_get_value(control_flow_data->v_adjust) - cell_height);
      break;
    case GDK_SCROLL_DOWN:
      gtk_adjustment_set_value(control_flow_data->v_adjust,
        gtk_adjustment_get_value(control_flow_data->v_adjust) + cell_height);
      break;
    default:
      g_error("should only scroll up and down.");
  }
	return TRUE;
}


static void update_index_to_pixmap_each(ResourceInfo *key,
                                        HashedResourceData *value,
                                        ProcessList *process_list)
{
  guint array_index = processlist_get_index_from_data(process_list, value);
  
  g_assert(array_index < process_list->index_to_pixmap->len);

  GdkPixmap **pixmap = 
    (GdkPixmap**)&g_ptr_array_index(process_list->index_to_pixmap, array_index);

  *pixmap = value->pixmap;
}


void update_index_to_pixmap(ProcessList *process_list)
{
  g_ptr_array_set_size(process_list->index_to_pixmap,
                       g_hash_table_size(process_list->process_hash));
  g_hash_table_foreach(process_list->process_hash, 
                       (GHFunc)update_index_to_pixmap_each,
                       process_list);
}


static void update_pixmap_size_each(ResourceInfo *key,
                                    HashedResourceData *value,
                                    guint width)
{
  GdkPixmap *old_pixmap = value->pixmap;

  value->pixmap = 
        gdk_pixmap_new(old_pixmap,
                       width,
                       value->height,
                       -1);

  gdk_pixmap_unref(old_pixmap);
}


void update_pixmap_size(ProcessList *process_list, guint width)
{
  g_hash_table_foreach(process_list->process_hash, 
                       (GHFunc)update_pixmap_size_each,
                       (gpointer)width);
}


typedef struct _CopyPixmap {
  GdkDrawable *dest;
  GdkGC *gc;
  GdkDrawable *src;
  gint xsrc, ysrc, xdest, ydest, width, height;
} CopyPixmap;

static void copy_pixmap_region_each(ResourceInfo *key,
                                    HashedResourceData *value,
                                    CopyPixmap *cp)
{
  GdkPixmap *src = cp->src;
  GdkPixmap *dest = cp->dest;
  
  if(dest == NULL)
    dest = value->pixmap;
  if(src == NULL)
    src = value->pixmap;

  gdk_draw_drawable (dest,
      cp->gc,
      src,
      cp->xsrc, cp->ysrc,
      cp->xdest, cp->ydest,
      cp->width, cp->height);
}

void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
    GdkGC *gc, GdkDrawable *src,
    gint xsrc, gint ysrc,
    gint xdest, gint ydest, gint width, gint height)
{
  CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
  
  g_hash_table_foreach(process_list->process_hash, 
                       (GHFunc)copy_pixmap_region_each,
                       &cp);
}



typedef struct _RectanglePixmap {
  gboolean filled;
  gint x, y, width, height;
  GdkGC *gc;
} RectanglePixmap;

static void rectangle_pixmap_each(ResourceInfo *key,
                                  HashedResourceData *value,
                                  RectanglePixmap *rp)
{
  if(rp->height == -1)
    rp->height = value->height;
      
  gdk_draw_rectangle (value->pixmap,
      rp->gc,
      rp->filled,
      rp->x, rp->y,
      rp->width, rp->height);
}




void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
    gboolean filled, gint x, gint y, gint width, gint height)
{
  RectanglePixmap rp = { filled, x, y, width, height, gc };
  
  g_hash_table_foreach(process_list->process_hash, 
                       (GHFunc)rectangle_pixmap_each,
                       &rp);
}


/* Renders each pixmaps into on big drawable */
void copy_pixmap_to_screen(ProcessList *process_list,
    GdkDrawable *dest,
    GdkGC *gc,
    gint x, gint y,
    gint width, gint height)
{
  if(process_list->index_to_pixmap->len == 0) return;
  guint cell_height = process_list->cell_height;

  /* Get indexes */
  gint begin = floor(y/(double)cell_height);
  gint end = MIN(ceil((y+height)/(double)cell_height),
                 process_list->index_to_pixmap->len);
  gint i;

  for(i=begin; i<end; i++) {
    g_assert(i<process_list->index_to_pixmap->len);
    /* Render the pixmap to the screen */
    GdkPixmap *pixmap = 
      //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
      GDK_PIXMAP(g_ptr_array_index(process_list->index_to_pixmap, i));

    gdk_draw_drawable (dest,
        gc,
        pixmap,
        x, 0,
        x, i*cell_height,
        width, cell_height);

  }
}

ProcessList *processlist_construct(void)
{
  GtkTreeViewColumn *column;
  GtkCellRenderer *renderer;
  
  ProcessList* process_list = g_new(ProcessList,1);
  
  process_list->number_of_process = 0;

  process_list->current_hash_data = NULL;

  /* Create the Process list */
  process_list->list_store = gtk_list_store_new (  N_COLUMNS, G_TYPE_STRING);


  process_list->process_list_widget = 
    gtk_tree_view_new_with_model
    (GTK_TREE_MODEL (process_list->list_store));

  g_object_unref (G_OBJECT (process_list->list_store));

  gtk_tree_sortable_set_default_sort_func(
      GTK_TREE_SORTABLE(process_list->list_store),
      resource_sort_func,
      NULL,
      NULL);
 

  gtk_tree_sortable_set_sort_column_id(
      GTK_TREE_SORTABLE(process_list->list_store),
      GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
      GTK_SORT_ASCENDING);


  process_list->process_hash = g_hash_table_new_full(
      resource_list_hash_fct, resource_list_equ_fct,
      destroy_hash_key, destroy_hash_data
      );
  
  
  gtk_tree_view_set_headers_visible(
    GTK_TREE_VIEW(process_list->process_list_widget), TRUE);

  /* Create a column, associating the "text" attribute of the
   * cell_renderer to the first column of the model */
  /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
  renderer = gtk_cell_renderer_text_new ();
  process_list->renderer = renderer;

	gint vertical_separator;
	gtk_widget_style_get (GTK_WIDGET (process_list->process_list_widget),
			"vertical-separator", &vertical_separator,
			NULL);
  gtk_cell_renderer_get_size(renderer,
      GTK_WIDGET(process_list->process_list_widget),
      NULL,
      NULL,
      NULL,
      NULL,
      &process_list->cell_height);
	
#if GTK_CHECK_VERSION(2,4,15)
  guint ypad;
  g_object_get(G_OBJECT(renderer), "ypad", &ypad, NULL);

  process_list->cell_height += ypad;
#endif
  process_list->cell_height += vertical_separator;
	

  column = gtk_tree_view_column_new_with_attributes ( "Resource",
                renderer,
                "text",
                NAME_COLUMN,
                NULL);
  gtk_tree_view_column_set_alignment (column, 0.0);
  gtk_tree_view_column_set_fixed_width (column, 45);
  gtk_tree_view_append_column (
    GTK_TREE_VIEW (process_list->process_list_widget), column);
  
  process_list->button = column->button;
 
//  column = gtk_tree_view_column_new_with_attributes ( "Brand",
//                renderer,
//                "text",
//                BRAND_COLUMN,
//                NULL);
//  gtk_tree_view_column_set_alignment (column, 0.0);
//  gtk_tree_view_column_set_fixed_width (column, 45);
//  gtk_tree_view_append_column (
//    GTK_TREE_VIEW (process_list->process_list_widget), column);
//
//  column = gtk_tree_view_column_new_with_attributes ( "PID",
//                renderer,
//                "text",
//                PID_COLUMN,
//                NULL);
//  gtk_tree_view_append_column (
//    GTK_TREE_VIEW (process_list->process_list_widget), column);
//
//  column = gtk_tree_view_column_new_with_attributes ( "TGID",
//                renderer,
//                "text",
//                TGID_COLUMN,
//                NULL);
//  gtk_tree_view_append_column (
//    GTK_TREE_VIEW (process_list->process_list_widget), column);
//
//  column = gtk_tree_view_column_new_with_attributes ( "PPID",
//                renderer,
//                "text",
//                PPID_COLUMN,
//                NULL);
//  gtk_tree_view_append_column (
//    GTK_TREE_VIEW (process_list->process_list_widget), column);
//  
//  column = gtk_tree_view_column_new_with_attributes ( "CPU",
//                renderer,
//                "text",
//                CPU_COLUMN,
//                NULL);
//  gtk_tree_view_append_column (
//    GTK_TREE_VIEW (process_list->process_list_widget), column);
//
//  column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
//                renderer,
//                "text",
//                BIRTH_S_COLUMN,
//                NULL);
//  gtk_tree_view_append_column (
//    GTK_TREE_VIEW (process_list->process_list_widget), column);
//
//  //gtk_tree_view_column_set_visible(column, 0);
//  //
//  column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
//                renderer,
//                "text",
//                BIRTH_NS_COLUMN,
//                NULL);
//  gtk_tree_view_append_column (
//    GTK_TREE_VIEW (process_list->process_list_widget), column);
//
//  column = gtk_tree_view_column_new_with_attributes ( "TRACE",
//                renderer,
//                "text",
//                TRACE_COLUMN,
//                NULL);
//  gtk_tree_view_append_column (
//    GTK_TREE_VIEW (process_list->process_list_widget), column);


  //gtk_tree_view_column_set_visible(column, 0);
  
  g_object_set_data_full(
      G_OBJECT(process_list->process_list_widget),
      "process_list_Data",
      process_list,
      (GDestroyNotify)processlist_destroy);

  process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
  
  return process_list;
}

void processlist_destroy(ProcessList *process_list)
{
  g_debug("processlist_destroy %p", process_list);
  g_hash_table_destroy(process_list->process_hash);
  process_list->process_hash = NULL;
  g_ptr_array_free(process_list->index_to_pixmap, TRUE);

  g_free(process_list);
  g_debug("processlist_destroy end");
}

static gboolean remove_hash_item(ResourceInfo *process_info,
                                 HashedResourceData *hashed_process_data,
                                 ProcessList *process_list)
{
  GtkTreeIter iter;

  iter = hashed_process_data->y_iter;

  gtk_list_store_remove (process_list->list_store, &iter);
  gdk_pixmap_unref(hashed_process_data->pixmap);

// TODO pmf: check this; might be needed
//  if(likely(process_list->current_hash_data != NULL)) {
//    if(likely(hashed_process_data ==
//                process_list->current_hash_data[process_info->trace_num][process_info->cpu]))
//      process_list->current_hash_data[process_info->trace_num][process_info->cpu] = NULL;
//  }
  return TRUE; /* remove the element from the hash table */
}

void processlist_clear(ProcessList *process_list)
{
  g_info("processlist_clear %p", process_list);

  g_hash_table_foreach_remove(process_list->process_hash,
                              (GHRFunc)remove_hash_item,
                              (gpointer)process_list);
  process_list->number_of_process = 0;
  update_index_to_pixmap(process_list);
}


GtkWidget *processlist_get_widget(ProcessList *process_list)
{
  return process_list->process_list_widget;
}


void destroy_hash_key(gpointer key)
{
  g_free(key);
}

void destroy_hash_data(gpointer data)
{
  g_free(data);
}


//void processlist_set_name(ProcessList *process_list,
//    GQuark name,
//    HashedResourceData *hashed_process_data)
//{
//  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
//        PROCESS_COLUMN, g_quark_to_string(name),
//        -1);
//}
//
//void processlist_set_brand(ProcessList *process_list,
//    GQuark brand,
//    HashedResourceData *hashed_process_data)
//{
//  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
//        BRAND_COLUMN, g_quark_to_string(brand),
//        -1);
//}
//
//void processlist_set_tgid(ProcessList *process_list,
//    guint tgid,
//    HashedResourceData *hashed_process_data)
//{
//  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
//        TGID_COLUMN, tgid,
//        -1);
//}
//
//void processlist_set_ppid(ProcessList *process_list,
//    guint ppid,
//    HashedResourceData *hashed_process_data)
//{
//  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
//        PPID_COLUMN, ppid,
//        -1);
//}

int resourcelist_add(  ProcessList *process_list,
      Drawing_t *drawing,
      guint trace_num,
      GQuark name,
      guint type,
      guint id,
      guint *height,
      ResourceInfo **pm_resource_info,
      HashedResourceData **pm_hashed_resource_data)
{
  ResourceInfo *Resource_Info = g_new(ResourceInfo, 1);
  HashedResourceData *hashed_resource_data = g_new(HashedResourceData, 1);
  *pm_hashed_resource_data = hashed_resource_data;
  *pm_resource_info = Resource_Info;

  Resource_Info->name = name;
 
//  Process_Info->pid = pid;
//  Process_Info->tgid = tgid;
//  if(pid == 0)
//    Process_Info->cpu = cpu;
//  else
//    Process_Info->cpu = 0;
//  Process_Info->ppid = ppid;
//  Process_Info->birth = *birth;
  Resource_Info->trace_num = trace_num;
  Resource_Info->type = type;
  Resource_Info->id = id;

  /* When we create it from before state update, we are sure that the
   * last event occured before the beginning of the global area.
   *
   * If it is created after state update, this value (0) will be
   * overriden by the new state before anything is drawn.
   *
   * There are 3 potential lines for the each process: one in the middle,
   * one under it and one over it. The {over,middle,under} fields tell us
   * the x pixel on the pixmap where we are. The _used fields tell us
   * whether that pixel was used. The _marked field tells us if we marked a
   * conflict point.
   */
  hashed_resource_data->x.over = 0;
  hashed_resource_data->x.over_used = FALSE;
  hashed_resource_data->x.over_marked = FALSE;
  hashed_resource_data->x.middle = 0; // last 
  hashed_resource_data->x.middle_used = FALSE;
  hashed_resource_data->x.middle_marked = FALSE;
  hashed_resource_data->x.under = 0;
  hashed_resource_data->x.under_used = FALSE;
  hashed_resource_data->x.under_marked = FALSE;
  hashed_resource_data->next_good_time = ltt_time_zero;
 
  /* Add a new row to the model */
  gtk_list_store_append ( process_list->list_store,
                          &hashed_resource_data->y_iter);

  gtk_list_store_set (  process_list->list_store, &hashed_resource_data->y_iter,
        NAME_COLUMN, g_quark_to_string(name),
        -1);
  
  g_hash_table_insert(process_list->process_hash,
        (gpointer)Resource_Info,
        (gpointer)hashed_resource_data);
  
  process_list->number_of_process++; // of resources

  hashed_resource_data->height = process_list->cell_height;

  g_assert(hashed_resource_data->height != 0);

  *height = hashed_resource_data->height * process_list->number_of_process;

  hashed_resource_data->pixmap = 
        gdk_pixmap_new(drawing->drawing_area->window,
                       drawing->alloc_width,
                       hashed_resource_data->height,
                       -1);
  
  // Clear the image with black background
  gdk_draw_rectangle (hashed_resource_data->pixmap,
        drawing->drawing_area->style->black_gc,
        TRUE,
        0, 0,
        drawing->alloc_width,
        hashed_resource_data->height);

  update_index_to_pixmap(process_list);

  return 0;
}
//int processlist_add(  ProcessList *process_list,
//      Drawing_t *drawing,
//      guint pid,
//      guint tgid,
//      guint cpu,
//      guint ppid,
//      LttTime *birth,
//      guint trace_num,
//      GQuark name,
//      GQuark brand,
//      guint *height,
//      ResourceInfo **pm_process_info,
//      HashedResourceData **pm_hashed_process_data)
//{
//  ResourceInfo *Process_Info = g_new(ResourceInfo, 1);
//  HashedResourceData *hashed_process_data = g_new(HashedResourceData, 1);
//  *pm_hashed_process_data = hashed_process_data;
//  *pm_process_info = Process_Info;
// 
//  Process_Info->pid = pid;
//  Process_Info->tgid = tgid;
//  if(pid == 0)
//    Process_Info->cpu = cpu;
//  else
//    Process_Info->cpu = 0;
//  Process_Info->ppid = ppid;
//  Process_Info->birth = *birth;
//  Process_Info->trace_num = trace_num;
//
//  /* When we create it from before state update, we are sure that the
//   * last event occured before the beginning of the global area.
//   *
//   * If it is created after state update, this value (0) will be
//   * overriden by the new state before anything is drawn.
//   */
//  hashed_process_data->x.over = 0;
//  hashed_process_data->x.over_used = FALSE;
//  hashed_process_data->x.over_marked = FALSE;
//  hashed_process_data->x.middle = 0;
//  hashed_process_data->x.middle_used = FALSE;
//  hashed_process_data->x.middle_marked = FALSE;
//  hashed_process_data->x.under = 0;
//  hashed_process_data->x.under_used = FALSE;
//  hashed_process_data->x.under_marked = FALSE;
//  hashed_process_data->next_good_time = ltt_time_zero;
// 
//  /* Add a new row to the model */
//  gtk_list_store_append ( process_list->list_store,
//                          &hashed_process_data->y_iter);
//
//  gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
//        PROCESS_COLUMN, g_quark_to_string(name),
//        BRAND_COLUMN, g_quark_to_string(brand),
//        PID_COLUMN, pid,
//        TGID_COLUMN, tgid,
//        PPID_COLUMN, ppid,
//        CPU_COLUMN, cpu,
//        BIRTH_S_COLUMN, birth->tv_sec,
//        BIRTH_NS_COLUMN, birth->tv_nsec,
//        TRACE_COLUMN, trace_num,
//        -1);
//  //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
//  //                        GTK_TREE_MODEL(process_list->list_store));
//  //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
//  
//  g_hash_table_insert(process_list->process_hash,
//        (gpointer)Process_Info,
//        (gpointer)hashed_process_data);
//  
//  process_list->number_of_process++;
//
//  hashed_process_data->height = process_list->cell_height;
//
//  g_assert(hashed_process_data->height != 0);
//
//  *height = hashed_process_data->height * process_list->number_of_process;
//
//  hashed_process_data->pixmap = 
//        gdk_pixmap_new(drawing->drawing_area->window,
//                       drawing->alloc_width,
//                       hashed_process_data->height,
//                       -1);
//  
//  // Clear the image
//  gdk_draw_rectangle (hashed_process_data->pixmap,
//        drawing->drawing_area->style->black_gc,
//        TRUE,
//        0, 0,
//        drawing->alloc_width,
//        hashed_process_data->height);
//
//  update_index_to_pixmap(process_list);
//
//
//  return 0;
//}

// TODO pmf: make this work once again
//int processlist_remove( ProcessList *process_list,
//      guint pid,
//      guint cpu,
//      LttTime *birth,
//      guint trace_num)
//{
//  ResourceInfo process_info;
//  HashedResourceData *hashed_process_data;
//  GtkTreeIter iter;
//  
//  process_info.pid = pid;
//  if(pid == 0)
//    process_info.cpu = cpu;
//  else
//    process_info.cpu = 0;
//  process_info.birth = *birth;
//  process_info.trace_num = trace_num;
//
//
//  hashed_process_data = 
//    (HashedResourceData*)g_hash_table_lookup(
//          process_list->process_hash,
//          &process_info);
//  if(likely(hashed_process_data != NULL))
//  {
//    iter = hashed_process_data->y_iter;
//
//    gtk_list_store_remove (process_list->list_store, &iter);
//    
//    g_hash_table_remove(process_list->process_hash,
//        &process_info);
//
//    if(likely(process_list->current_hash_data != NULL)) {
//      if(likely(hashed_process_data == process_list->current_hash_data[trace_num][cpu])) {
//        process_list->current_hash_data[trace_num][cpu] = NULL;
//      }
//    }
//    
//    gdk_pixmap_unref(hashed_process_data->pixmap);
//    
//    update_index_to_pixmap(process_list);
//
//    process_list->number_of_process--;
//
//    return 0; 
//  } else {
//    return 1;
//  }
//}


#if 0
static inline guint get_cpu_number_from_name(GQuark name)
{
  const gchar *string;
  char *begin;
  guint cpu;

  string = g_quark_to_string(name);

  begin = strrchr(string, '/');
  begin++;

  g_assert(begin != '\0');

  cpu = strtoul(begin, NULL, 10);

  return cpu;
}
#endif //0