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_SOFT_IRQ  3
  48 #define RV_RESOURCE_TRAP      4
  49 #define RV_RESOURCE_BDEV      5
  50 #define RV_RESOURCE_COUNT     6
  51
  52 /* Enumeration of the columns */
  53 enum
  54 {
  55   NAME_COLUMN,
  56   DATA_COLUMN,
  57   N_COLUMNS
  58 };
  59
  60 /*
  61 typedef struct _ResourceInfo {
  62   GQuark name;
  63   guint trace_num;
  64   guint type;
  65   guint64 id;
  66 } ResourceInfo;
  67 */
  68
  69 typedef struct _ResourceUniqueNumeric {
  70         guint trace_num;
  71         guint id;
  72 } ResourceUniqueNumeric;
  73
  74 typedef struct _HashedResourceData {
  75   guint type;
  76
  77   GdkPixmap *pixmap;  // Pixmap slice containing drawing buffer for the PID
  78   gint height; // height of the pixmap
  79   GtkTreeIter y_iter; // Access quickly to y pos.
  80  // DrawContext *draw_context;
  81   /* Information on current drawing */
  82   struct {
  83     guint over;
  84     gboolean over_used;    /* inform the user that information is incomplete */
  85     gboolean over_marked;  /* inform the user that information is incomplete */
  86     guint middle;
  87     gboolean middle_used;  /* inform the user that information is incomplete */
  88     gboolean middle_marked;/* inform the user that information is incomplete */
  89     guint under;
  90     gboolean under_used;   /* inform the user that information is incomplete */
  91     gboolean under_marked; /* inform the user that information is incomplete */
  92   } x; /* last x position saved by after state update */
  93
  94   LttTime next_good_time; /* precalculate the next time where the next
  95                              pixel is.*/
  96
  97 } HashedResourceData;
  98
  99 struct _ResourceType {
 100         /* functions for the hash table below */
 101         guint (*hashfunc)(gconstpointer);
 102         gboolean (*hashequalfunc)(gconstpointer,gconstpointer);
 103         /* a hashtable containing the data of each resource of this type */
 104         GHashTable *hash_table;
 105 };
 106 typedef struct _ResourceType ResourceType;
 107
 108 struct _ProcessList {
 109
 110   GtkWidget *process_list_widget;
 111   GtkTreeStore *list_store;
 112   GtkWidget *button; /* one button of the tree view */
 113   GtkCellRenderer *renderer;
 114
 115   /* A hash table by PID to speed up process position find in the list */
 116 //  GHashTable *process_hash;
 117
 118   guint number_of_process;
 119   gint cell_height;
 120
 121   /* Current process pointer, one per cpu, one per trace */
 122   HashedResourceData ***current_hash_data;
 123
 124   /* Array containing index -> pixmap correspondance. Must be updated
 125    * every time the process list is reordered, process added or removed */
 126   GPtrArray * index_to_pixmap;
 127
 128   ResourceType restypes[RV_RESOURCE_COUNT];
 129 };
 130
 131 typedef struct _UpdateIndexPixmapArg {
 132   ProcessList *process_list;
 133   guint count;
 134 } UpdateIndexPixmapArg;
 135
 136 #ifndef TYPE_PROCESSLIST_DEFINED
 137 #define TYPE_PROCESSLIST_DEFINED
 138 typedef struct _ProcessList ProcessList;
 139 #endif //TYPE_PROCESSLIST_DEFINED
 140
 141
 142 #ifndef TYPE_DRAWING_T_DEFINED
 143 #define TYPE_DRAWING_T_DEFINED
 144 typedef struct _Drawing_t Drawing_t;
 145 #endif //TYPE_DRAWING_T_DEFINED
 146
 147 ProcessList *processlist_construct(void);
 148 void processlist_destroy(ProcessList *process_list);
 149 GtkWidget *processlist_get_widget(ProcessList *process_list);
 150
 151 void processlist_clear(ProcessList *process_list);
 152
 153 // out : success (0) and height
 154 /* CPU num is only used for PID 0 */
 155 //int resourcelist_add(  ProcessList *process_list, Drawing_t *drawing, guint trace_num,
 156 //      GQuark name, guint type, guint id, guint *height, ResourceInfo **pm_resource_info,
 157 //      HashedResourceData **pm_hashed_resource_data, GQuark parent);
 158
 159 // out : success (0) and height
 160 int processlist_remove(ProcessList *process_list, guint pid, guint cpu,
 161     LttTime *birth, guint trace_num);
 162
 163 /* Set the name of a process */
 164 void processlist_set_name(ProcessList *process_list,
 165     GQuark name,
 166     HashedResourceData *hashed_process_data);
 167
 168 void processlist_set_brand(ProcessList *process_list,
 169     GQuark brand,
 170     HashedResourceData *hashed_process_data);
 171
 172 /* Set the ppid of a process */
 173 void processlist_set_tgid(ProcessList *process_list,
 174     guint tgid,
 175     HashedResourceData *hashed_process_data);
 176 void processlist_set_ppid(ProcessList *process_list,
 177     guint ppid,
 178     HashedResourceData *hashed_process_data);
 179
 180
 181 /* Synchronize the list at the left and the drawing */
 182 void update_index_to_pixmap(ProcessList *process_list);
 183
 184 /* Update the width of each pixmap buffer for each process */
 185 void update_pixmap_size(ProcessList *process_list, guint width);
 186
 187
 188 /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */
 189 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 190     GdkGC *gc, GdkDrawable *src,
 191     gint xsrc, gint ysrc,
 192     gint xdest, gint ydest, gint width, gint height);
 193
 194 /* If height is -1, the height of each pixmap is used */
 195 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 196     gboolean filled, gint x, gint y, gint width, gint height);
 197
 198 /* Renders each pixmaps into on big drawable */
 199 void copy_pixmap_to_screen(ProcessList *process_list,
 200     GdkDrawable *dest,
 201     GdkGC *gc,
 202     gint x, gint y,
 203     gint width, gint height);
 204
 205 static inline gint get_cell_height(GtkTreeView *TreeView)
 206 {
 207   gint height;
 208   GtkTreeViewColumn *column = gtk_tree_view_get_column(TreeView, 0);
 209
 210   gtk_tree_view_column_cell_get_size(column, NULL, NULL, NULL, NULL, &height);
 211
 212   gint vertical_separator;
 213   gtk_widget_style_get (GTK_WIDGET (TreeView),
 214       "vertical-separator", &vertical_separator,
 215       NULL);
 216   height += vertical_separator;
 217
 218   return height;
 219 }
 220
 221 static inline guint processlist_get_height(ProcessList *process_list)
 222 {
 223   return process_list->cell_height * process_list->number_of_process ;
 224 }
 225
 226
 227 //static inline HashedResourceData *processlist_get_process_data(
 228 //          ProcessList *process_list, GQuark resource_name, guint trace_num)
 229 //{
 230 //  ResourceInfo resource_info;
 231 //
 232 ////  process_info.pid = pid;
 233 ////  if(pid == 0)
 234 ////    process_info.cpu = cpu;
 235 ////  else
 236 ////    process_info.cpu = ANY_CPU;
 237 ////  process_info.birth = *birth;
 238 ////  process_info.trace_num = trace_num;
 239 //  resource_info.name = resource_name;
 240 //  resource_info.trace_num = trace_num;
 241 //
 242 //  return  (HashedResourceData*)g_hash_table_lookup(
 243 //                process_list->process_hash,
 244 //                &resource_info);
 245 //}
 246 //
 247
 248 static inline gint processlist_get_pixels_from_data(  ProcessList *process_list,
 249           HashedResourceData *hashed_process_data,
 250           guint *y,
 251           guint *height)
 252 {
 253   gint *path_indices;
 254   GtkTreePath *tree_path;
 255
 256   tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store,
 257                     &hashed_process_data->y_iter);
 258   path_indices =  gtk_tree_path_get_indices (tree_path);
 259
 260   *height = get_cell_height((GtkTreeView*)process_list->process_list_widget);
 261   *y = *height * path_indices[0];
 262   gtk_tree_path_free(tree_path);
 263
 264   return 0;
 265
 266 }
 267
 268 static inline guint processlist_get_index_from_data(ProcessList *process_list,
 269           HashedResourceData *hashed_process_data)
 270 {
 271   gint *path_indices;
 272   GtkTreePath *tree_path;
 273   guint ret;
 274   gint depth;
 275
 276   tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store,
 277                     &hashed_process_data->y_iter);
 278   path_indices =  gtk_tree_path_get_indices (tree_path);
 279   depth = gtk_tree_path_get_depth(tree_path);
 280
 281 //  ret = path_indices[1]+path_indices[0]+1;
 282   ret = path_indices[0];
 283   if(depth>1)
 284     ret+= 1+path_indices[1];
 285
 286   gtk_tree_path_free(tree_path);
 287
 288   return ret;
 289 }
 290
 291 /* Return the hash table used to store the data of each resource of a given resource type */
 292
 293 static inline GHashTable *resourcelist_get_resource_hash_table(ControlFlowData *resourceview_data, guint type)
 294 {
 295         return resourceview_data->process_list->restypes[type].hash_table;
 296 }
 297
 298
 299
 300 #endif // _PROCESS_LIST_H