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