ltt/branches/poly/lttv/modules/gui/resourceview/processlist.h

   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 #ifndef _PROCESS_LIST_H
  20 #define _PROCESS_LIST_H
  21
  22 #include <gtk/gtk.h>
  23 #include <gdk/gdk.h>
  24 #include <lttv/state.h>
  25 #include <ltt/ltt.h>
  26
  27 #include "drawitem.h"
  28 #include "cfv.h"
  29
  30 /* The process list
  31  *
  32  * Tasks :
  33  * Create a process list
  34  * contains the data for the process list
  35  * tells the height of the process list widget
  36  * provides methods to add/remove process from the list
  37  *  note : the sync with drawing is left to the caller.
  38  * provides helper function to convert a process unique identifier to
  39  *  pixels (in height).
  40  *
  41  */
  42
  43 /* Unique identifiers for resource types */
  44 #define RV_RESOURCE_MACHINE   0
  45 #define RV_RESOURCE_CPU       1
  46 #define RV_RESOURCE_IRQ       2
  47 #define RV_RESOURCE_BDEV      3
  48 #define RV_RESOURCE_COUNT     4
  49
  50 /* Enumeration of the columns */
  51 enum
  52 {
  53   NAME_COLUMN,
  54   DATA_COLUMN,
  55   N_COLUMNS
  56 };
  57
  58 /*
  59 typedef struct _ResourceInfo {
  60   GQuark name;
  61   guint trace_num;
  62   guint type;
  63   guint64 id;
  64 } ResourceInfo;
  65 */
  66
  67 typedef struct _ResourceUniqueNumeric {
  68         guint trace_num;
  69         guint id;
  70 } ResourceUniqueNumeric;
  71
  72 typedef struct _HashedResourceData {
  73   guint type;
  74
  75   GdkPixmap *pixmap;  // Pixmap slice containing drawing buffer for the PID
  76   gint height; // height of the pixmap
  77   GtkTreeIter y_iter; // Access quickly to y pos.
  78  // DrawContext *draw_context;
  79   /* Information on current drawing */
  80   struct {
  81     guint over;
  82     gboolean over_used;    /* inform the user that information is incomplete */
  83     gboolean over_marked;  /* inform the user that information is incomplete */
  84     guint middle;
  85     gboolean middle_used;  /* inform the user that information is incomplete */
  86     gboolean middle_marked;/* inform the user that information is incomplete */
  87     guint under;
  88     gboolean under_used;   /* inform the user that information is incomplete */
  89     gboolean under_marked; /* inform the user that information is incomplete */
  90   } x; /* last x position saved by after state update */
  91
  92   LttTime next_good_time; /* precalculate the next time where the next
  93                              pixel is.*/
  94
  95 } HashedResourceData;
  96
  97 struct _ResourceType {
  98         /* functions for the hash table below */
  99         guint (*hashfunc)(gconstpointer);
 100         gboolean (*hashequalfunc)(gconstpointer,gconstpointer);
 101         /* a hashtable containing the data of each resource of this type */
 102         GHashTable *hash_table;
 103 };
 104 typedef struct _ResourceType ResourceType;
 105
 106 struct _ProcessList {
 107
 108   GtkWidget *process_list_widget;
 109   GtkTreeStore *list_store;
 110   GtkWidget *button; /* one button of the tree view */
 111   GtkCellRenderer *renderer;
 112
 113   /* A hash table by PID to speed up process position find in the list */
 114 //  GHashTable *process_hash;
 115
 116   guint number_of_process;
 117   gint cell_height;
 118
 119   /* Current process pointer, one per cpu, one per trace */
 120   HashedResourceData ***current_hash_data;
 121
 122   /* Array containing index -> pixmap correspondance. Must be updated
 123    * every time the process list is reordered, process added or removed */
 124   GPtrArray * index_to_pixmap;
 125
 126   ResourceType restypes[RV_RESOURCE_COUNT];
 127 };
 128
 129 typedef struct _UpdateIndexPixmapArg {
 130   ProcessList *process_list;
 131   guint count;
 132 } UpdateIndexPixmapArg;
 133
 134 #ifndef TYPE_PROCESSLIST_DEFINED
 135 #define TYPE_PROCESSLIST_DEFINED
 136 typedef struct _ProcessList ProcessList;
 137 #endif //TYPE_PROCESSLIST_DEFINED
 138
 139
 140 #ifndef TYPE_DRAWING_T_DEFINED
 141 #define TYPE_DRAWING_T_DEFINED
 142 typedef struct _Drawing_t Drawing_t;
 143 #endif //TYPE_DRAWING_T_DEFINED
 144
 145 ProcessList *processlist_construct(void);
 146 void processlist_destroy(ProcessList *process_list);
 147 GtkWidget *processlist_get_widget(ProcessList *process_list);
 148
 149 void processlist_clear(ProcessList *process_list);
 150
 151 // out : success (0) and height
 152 /* CPU num is only used for PID 0 */
 153 //int resourcelist_add(  ProcessList *process_list, Drawing_t *drawing, guint trace_num,
 154 //      GQuark name, guint type, guint id, guint *height, ResourceInfo **pm_resource_info,
 155 //      HashedResourceData **pm_hashed_resource_data, GQuark parent);
 156
 157 // out : success (0) and height
 158 int processlist_remove(ProcessList *process_list, guint pid, guint cpu,
 159     LttTime *birth, guint trace_num);
 160
 161 /* Set the name of a process */
 162 void processlist_set_name(ProcessList *process_list,
 163     GQuark name,
 164     HashedResourceData *hashed_process_data);
 165
 166 void processlist_set_brand(ProcessList *process_list,
 167     GQuark brand,
 168     HashedResourceData *hashed_process_data);
 169
 170 /* Set the ppid of a process */
 171 void processlist_set_tgid(ProcessList *process_list,
 172     guint tgid,
 173     HashedResourceData *hashed_process_data);
 174 void processlist_set_ppid(ProcessList *process_list,
 175     guint ppid,
 176     HashedResourceData *hashed_process_data);
 177
 178
 179 /* Synchronize the list at the left and the drawing */
 180 void update_index_to_pixmap(ProcessList *process_list);
 181
 182 /* Update the width of each pixmap buffer for each process */
 183 void update_pixmap_size(ProcessList *process_list, guint width);
 184
 185
 186 /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */
 187 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 188     GdkGC *gc, GdkDrawable *src,
 189     gint xsrc, gint ysrc,
 190     gint xdest, gint ydest, gint width, gint height);
 191
 192 /* If height is -1, the height of each pixmap is used */
 193 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 194     gboolean filled, gint x, gint y, gint width, gint height);
 195
 196 /* Renders each pixmaps into on big drawable */
 197 void copy_pixmap_to_screen(ProcessList *process_list,
 198     GdkDrawable *dest,
 199     GdkGC *gc,
 200     gint x, gint y,
 201     gint width, gint height);
 202
 203 static inline gint get_cell_height(GtkTreeView *TreeView)
 204 {
 205   gint height;
 206   GtkTreeViewColumn *column = gtk_tree_view_get_column(TreeView, 0);
 207
 208   gtk_tree_view_column_cell_get_size(column, NULL, NULL, NULL, NULL, &height);
 209
 210   gint vertical_separator;
 211   gtk_widget_style_get (GTK_WIDGET (TreeView),
 212       "vertical-separator", &vertical_separator,
 213       NULL);
 214   height += vertical_separator;
 215
 216   return height;
 217 }
 218
 219 static inline guint processlist_get_height(ProcessList *process_list)
 220 {
 221   return process_list->cell_height * process_list->number_of_process ;
 222 }
 223
 224
 225 //static inline HashedResourceData *processlist_get_process_data(
 226 //          ProcessList *process_list, GQuark resource_name, guint trace_num)
 227 //{
 228 //  ResourceInfo resource_info;
 229 //
 230 ////  process_info.pid = pid;
 231 ////  if(pid == 0)
 232 ////    process_info.cpu = cpu;
 233 ////  else
 234 ////    process_info.cpu = ANY_CPU;
 235 ////  process_info.birth = *birth;
 236 ////  process_info.trace_num = trace_num;
 237 //  resource_info.name = resource_name;
 238 //  resource_info.trace_num = trace_num;
 239 //
 240 //  return  (HashedResourceData*)g_hash_table_lookup(
 241 //                process_list->process_hash,
 242 //                &resource_info);
 243 //}
 244 //
 245
 246 static inline gint processlist_get_pixels_from_data(  ProcessList *process_list,
 247           HashedResourceData *hashed_process_data,
 248           guint *y,
 249           guint *height)
 250 {
 251   gint *path_indices;
 252   GtkTreePath *tree_path;
 253
 254   tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store,
 255                     &hashed_process_data->y_iter);
 256   path_indices =  gtk_tree_path_get_indices (tree_path);
 257
 258   *height = get_cell_height((GtkTreeView*)process_list->process_list_widget);
 259   *y = *height * path_indices[0];
 260   gtk_tree_path_free(tree_path);
 261
 262   return 0;
 263
 264 }
 265
 266 static inline guint processlist_get_index_from_data(ProcessList *process_list,
 267           HashedResourceData *hashed_process_data)
 268 {
 269   gint *path_indices;
 270   GtkTreePath *tree_path;
 271   guint ret;
 272   gint depth;
 273
 274   tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store,
 275                     &hashed_process_data->y_iter);
 276   path_indices =  gtk_tree_path_get_indices (tree_path);
 277   depth = gtk_tree_path_get_depth(tree_path);
 278
 279 //  ret = path_indices[1]+path_indices[0]+1;
 280   ret = path_indices[0];
 281   if(depth>1)
 282     ret+= 1+path_indices[1];
 283
 284   gtk_tree_path_free(tree_path);
 285
 286   return ret;
 287 }
 288
 289 /* Return the hash table used to store the data of each resource of a given resource type */
 290
 291 static inline GHashTable *resourcelist_get_resource_hash_table(ControlFlowData *resourceview_data, guint type)
 292 {
 293         return resourceview_data->process_list->restypes[type].hash_table;
 294 }
 295
 296
 297
 298 #endif // _PROCESS_LIST_H