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 struct _ResourceType {
  70         /* a hashtable containing the data of each resource of this type */
  71         GHashTable *hash_table;
  72 };
  73 typedef struct _ResourceType ResourceType;
  74
  75 typedef struct _ResourceUnique {
  76         ResourceType *type;
  77         void *priv;
  78 } ResourceUnique;
  79
  80 typedef struct _ResourceUniqueNumeric {
  81         ResourceUnique ru;
  82         guint trace_num;
  83         guint id;
  84 } ResourceUniqueNumeric;
  85
  86 typedef struct _HashedResourceData {
  87   guint type;
  88
  89   GdkPixmap *pixmap;  // Pixmap slice containing drawing buffer for the PID
  90   gint height; // height of the pixmap
  91   GtkTreeIter y_iter; // Access quickly to y pos.
  92  // DrawContext *draw_context;
  93   /* Information on current drawing */
  94   struct {
  95     guint over;
  96     gboolean over_used;    /* inform the user that information is incomplete */
  97     gboolean over_marked;  /* inform the user that information is incomplete */
  98     guint middle;
  99     gboolean middle_used;  /* inform the user that information is incomplete */
 100     gboolean middle_marked;/* inform the user that information is incomplete */
 101     guint under;
 102     gboolean under_used;   /* inform the user that information is incomplete */
 103     gboolean under_marked; /* inform the user that information is incomplete */
 104   } x; /* last x position saved by after state update */
 105
 106   LttTime next_good_time; /* precalculate the next time where the next
 107                              pixel is.*/
 108   gint hidden;
 109
 110 } HashedResourceData;
 111
 112 struct _ProcessList {
 113
 114   GtkWidget *process_list_widget;
 115   GtkTreeStore *list_store;
 116   GtkWidget *button; /* one button of the tree view */
 117   GtkCellRenderer *renderer;
 118
 119   /* A hash table by PID to speed up process position find in the list */
 120 //  GHashTable *process_hash;
 121
 122   guint number_of_process;
 123   gint cell_height;
 124
 125   /* Current process pointer, one per cpu, one per trace */
 126   HashedResourceData ***current_hash_data;
 127
 128   /* Array containing index -> pixmap correspondance. Must be updated
 129    * every time the process list is reordered, process added or removed */
 130   GPtrArray * index_to_pixmap;
 131
 132   ResourceType restypes[RV_RESOURCE_COUNT];
 133 };
 134
 135 typedef struct _UpdateIndexPixmapArg {
 136   ProcessList *process_list;
 137   guint count;
 138 } UpdateIndexPixmapArg;
 139
 140 #ifndef TYPE_PROCESSLIST_DEFINED
 141 #define TYPE_PROCESSLIST_DEFINED
 142 typedef struct _ProcessList ProcessList;
 143 #endif //TYPE_PROCESSLIST_DEFINED
 144
 145
 146 #ifndef TYPE_DRAWING_T_DEFINED
 147 #define TYPE_DRAWING_T_DEFINED
 148 typedef struct _Drawing_t Drawing_t;
 149 #endif //TYPE_DRAWING_T_DEFINED
 150
 151 ProcessList *processlist_construct(void);
 152 void processlist_destroy(ProcessList *process_list);
 153 GtkWidget *processlist_get_widget(ProcessList *process_list);
 154
 155 void processlist_clear(ProcessList *process_list);
 156
 157 // out : success (0) and height
 158 /* CPU num is only used for PID 0 */
 159 //int resourcelist_add(  ProcessList *process_list, Drawing_t *drawing, guint trace_num,
 160 //      GQuark name, guint type, guint id, guint *height, ResourceInfo **pm_resource_info,
 161 //      HashedResourceData **pm_hashed_resource_data, GQuark parent);
 162
 163 // out : success (0) and height
 164 int processlist_remove(ProcessList *process_list, guint pid, guint cpu,
 165     LttTime *birth, guint trace_num);
 166
 167 /* Set the name of a process */
 168 void processlist_set_name(ProcessList *process_list,
 169     GQuark name,
 170     HashedResourceData *hashed_process_data);
 171
 172 void processlist_set_brand(ProcessList *process_list,
 173     GQuark brand,
 174     HashedResourceData *hashed_process_data);
 175
 176 /* Set the ppid of a process */
 177 void processlist_set_tgid(ProcessList *process_list,
 178     guint tgid,
 179     HashedResourceData *hashed_process_data);
 180 void processlist_set_ppid(ProcessList *process_list,
 181     guint ppid,
 182     HashedResourceData *hashed_process_data);
 183
 184
 185 /* Synchronize the list at the left and the drawing */
 186 void update_index_to_pixmap(ProcessList *process_list);
 187
 188 /* Update the width of each pixmap buffer for each process */
 189 void update_pixmap_size(ProcessList *process_list, guint width);
 190
 191
 192 /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */
 193 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 194     GdkGC *gc, GdkDrawable *src,
 195     gint xsrc, gint ysrc,
 196     gint xdest, gint ydest, gint width, gint height);
 197
 198 /* If height is -1, the height of each pixmap is used */
 199 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 200     gboolean filled, gint x, gint y, gint width, gint height);
 201
 202 /* Renders each pixmaps into on big drawable */
 203 void copy_pixmap_to_screen(ProcessList *process_list,
 204     GdkDrawable *dest,
 205     GdkGC *gc,
 206     gint x, gint y,
 207     gint width, gint height);
 208
 209 static inline gint get_cell_height(GtkTreeView *TreeView)
 210 {
 211   gint height;
 212   GtkTreeViewColumn *column = gtk_tree_view_get_column(TreeView, 0);
 213
 214   gtk_tree_view_column_cell_get_size(column, NULL, NULL, NULL, NULL, &height);
 215
 216   gint vertical_separator;
 217   gtk_widget_style_get (GTK_WIDGET (TreeView),
 218       "vertical-separator", &vertical_separator,
 219       NULL);
 220   height += vertical_separator;
 221
 222   return height;
 223 }
 224
 225 static inline guint processlist_get_height(ProcessList *process_list)
 226 {
 227   return process_list->cell_height * process_list->number_of_process ;
 228 }
 229
 230
 231 //static inline HashedResourceData *processlist_get_process_data(
 232 //          ProcessList *process_list, GQuark resource_name, guint trace_num)
 233 //{
 234 //  ResourceInfo resource_info;
 235 //
 236 ////  process_info.pid = pid;
 237 ////  if(pid == 0)
 238 ////    process_info.cpu = cpu;
 239 ////  else
 240 ////    process_info.cpu = ANY_CPU;
 241 ////  process_info.birth = *birth;
 242 ////  process_info.trace_num = trace_num;
 243 //  resource_info.name = resource_name;
 244 //  resource_info.trace_num = trace_num;
 245 //
 246 //  return  (HashedResourceData*)g_hash_table_lookup(
 247 //                process_list->process_hash,
 248 //                &resource_info);
 249 //}
 250 //
 251
 252 static inline gint processlist_get_pixels_from_data(  ProcessList *process_list,
 253           HashedResourceData *hashed_process_data,
 254           guint *y,
 255           guint *height)
 256 {
 257   gint *path_indices;
 258   GtkTreePath *tree_path;
 259
 260   tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store,
 261                     &hashed_process_data->y_iter);
 262   path_indices =  gtk_tree_path_get_indices (tree_path);
 263
 264   *height = get_cell_height((GtkTreeView*)process_list->process_list_widget);
 265   *y = *height * path_indices[0];
 266   gtk_tree_path_free(tree_path);
 267
 268   return 0;
 269
 270 }
 271
 272 static inline guint processlist_get_index_from_data(ProcessList *process_list,
 273           HashedResourceData *hashed_process_data)
 274 {
 275   gint *path_indices;
 276   GtkTreePath *tree_path;
 277   guint ret;
 278   gint depth;
 279
 280   tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store,
 281                     &hashed_process_data->y_iter);
 282   path_indices =  gtk_tree_path_get_indices (tree_path);
 283   depth = gtk_tree_path_get_depth(tree_path);
 284
 285 //  ret = path_indices[1]+path_indices[0]+1;
 286   ret = path_indices[0];
 287   if(depth>1)
 288     ret+= 1+path_indices[1];
 289
 290   gtk_tree_path_free(tree_path);
 291
 292   return ret;
 293 }
 294
 295 /* Return the hash table used to store the data of each resource of a given resource type */
 296
 297 static inline GHashTable *resourcelist_get_resource_hash_table(ControlFlowData *resourceview_data, guint type)
 298 {
 299         return resourceview_data->process_list->restypes[type].hash_table;
 300 }
 301
 302 HashedResourceData *resourcelist_obtain_cpu(ControlFlowData *resourceview_data, guint trace_num, guint id);
 303 HashedResourceData *resourcelist_obtain_irq(ControlFlowData *resourceview_data, guint trace_num, guint id);
 304 HashedResourceData *resourcelist_obtain_soft_irq(ControlFlowData *resourceview_data, guint trace_num, guint id);
 305 HashedResourceData *resourcelist_obtain_trap(ControlFlowData *resourceview_data, guint trace_num, guint id);
 306 HashedResourceData *resourcelist_obtain_bdev(ControlFlowData *resourceview_data, guint trace_num, guint id);
 307
 308 #endif // _PROCESS_LIST_H