lttng-xenomai/LinuxTraceToolkitViewer-0.8.61-xenoltt/lttv/modules/gui/xenoltt/xenoltt_threadlist.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
  20
  21 #ifndef _THREAD_LIST_H
  22 #define _THREAD_LIST_H
  23
  24 #include <gtk/gtk.h>
  25 #include <gdk/gdk.h>
  26 #include <lttv/state.h>
  27 #include <ltt/ltt.h>
  28
  29 #include "xenoltt_drawitem.h"
  30
  31 /* The process list
  32  *
  33  * Tasks :
  34  * Create a process list
  35  * contains the data for the process list
  36  * tells the height of the process list widget
  37  * provides methods to add/remove process from the list
  38  *  note : the sync with drawing is left to the caller.
  39  * provides helper function to convert a process unique identifier to
  40  *  pixels (in height).
  41  *
  42  */
  43
  44
  45 /* Enumeration of the columns */
  46 enum
  47 {
  48   THREAD_COLUMN,
  49   PRIO_COLUMN,
  50   PERIOD_COLUMN,
  51   CPU_COLUMN,
  52   BIRTH_S_COLUMN,
  53   BIRTH_NS_COLUMN,
  54   TRACE_COLUMN,
  55   N_COLUMNS
  56 };
  57
  58
  59 typedef struct _XenoThreadInfo {
  60
  61   gulong address;
  62   guint prio;
  63   guint cpu;
  64   guint period;
  65   LttTime thread_birth;
  66   guint trace_num;
  67
  68 } XenoThreadInfo;
  69
  70 typedef struct _HashedThreadData {
  71
  72   GdkPixmap *pixmap;  // Pixmap slice containing drawing buffer for the PID
  73   gint height; // height of the pixmap
  74   GtkTreeIter y_iter; // Access quickly to y pos.
  75  // DrawContext *draw_context;
  76   /* Information on current drawing */
  77   struct {
  78     guint over;
  79     gboolean over_used;    /* inform the user that information is incomplete */
  80     gboolean over_marked;  /* inform the user that information is incomplete */
  81     guint middle;
  82     gboolean middle_used;  /* inform the user that information is incomplete */
  83     gboolean middle_marked;/* inform the user that information is incomplete */
  84     guint under;
  85     gboolean under_used;   /* inform the user that information is incomplete */
  86     gboolean under_marked; /* inform the user that information is incomplete */
  87   } x; /* last x position saved by after state update */
  88
  89   LttTime next_good_time; /* precalculate the next time where the next
  90                              pixel is.*/
  91
  92   gulong timer_address;
  93
  94 } HashedThreadData;
  95
  96 struct _ThreadList {
  97
  98   GtkWidget *thread_list_widget;
  99   GtkListStore *list_store;
 100   GtkWidget *button; /* one button of the tree view */
 101   GtkCellRenderer *renderer;
 102
 103   /* A hash table by PID to speed up process position find in the list */
 104   GHashTable *thread_hash;
 105
 106   guint number_of_thread;
 107   gint cell_height;
 108
 109   /* Current process pointer, one per cpu, one per trace */
 110   HashedThreadData ***current_hash_data;
 111
 112   /* Array containing index -> pixmap correspondance. Must be updated
 113    * every time the process list is reordered, process added or removed */
 114   GPtrArray * index_to_pixmap;
 115
 116 };
 117
 118
 119 typedef struct _ThreadList ThreadList;
 120
 121
 122 #ifndef TYPE_XENOLTT_DRAWING_T_DEFINED
 123 #define TYPE_XENOLTT_DRAWING_T_DEFINED
 124 typedef struct _XenoLtt_Drawing_t XenoLtt_Drawing_t;
 125 #endif //TYPE_XENOLTT_DRAWING_T_DEFINED
 126
 127 ThreadList *threadlist_construct(void);
 128 void threadlist_destroy(ThreadList *thread_list);
 129 GtkWidget *threadlist_get_widget(ThreadList *thread_list);
 130
 131 void threadlist_clear(ThreadList *thread_list);
 132
 133 // out : success (0) and height
 134 /* CPU num is only used for PID 0 */
 135 int threadlist_add(ThreadList *thread_list, XenoLtt_Drawing_t * drawing,
 136     guint address24, guint prio, guint cpu, guint period,
 137     /*LttTime *process_birth,*/ LttTime *thread_birth, guint trace_num, GQuark name, guint *height,
 138     XenoThreadInfo **thread_info,
 139     HashedThreadData **hashed_thread_data);
 140 // out : success (0) and height
 141 int threadlist_remove(ThreadList *thread_list, guint pid, guint cpu,
 142      LttTime *birth, guint trace_num);
 143
 144 /* Set the name of a xenomai thread */
 145 void threadlist_set_name(ThreadList *thread_list,
 146     GQuark name,
 147     HashedThreadData *hashed_thread_data);
 148
 149 /* Set the period of a thread */
 150 void threadlist_set_period(ThreadList *thread_list,
 151     guint period,
 152     HashedThreadData *hashed_thread_data);
 153
 154 /* Set the priority of a thread */
 155 void threadlist_set_prio(ThreadList *thread_list,
 156     guint prio,
 157     HashedThreadData *hashed_thread_data);
 158
 159
 160 /* Synchronize the list at the left and the drawing */
 161 void update_index_to_pixmap(ThreadList *thread_list);
 162
 163 /* Update the width of each pixmap buffer for each process */
 164 void update_pixmap_size(ThreadList *thread_list, guint width);
 165
 166
 167 /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */
 168 void copy_pixmap_region(ThreadList *thread_list, GdkDrawable *dest,
 169     GdkGC *gc, GdkDrawable *src,
 170     gint xsrc, gint ysrc,
 171     gint xdest, gint ydest, gint width, gint height);
 172
 173 /* If height is -1, the height of each pixmap is used */
 174 void rectangle_pixmap(ThreadList *thread_list, GdkGC *gc,
 175     gboolean filled, gint x, gint y, gint width, gint height);
 176
 177 /* Renders each pixmaps into on big drawable */
 178 void copy_pixmap_to_screen(ThreadList *thread_list,
 179     GdkDrawable *dest,
 180     GdkGC *gc,
 181     gint x, gint y,
 182     gint width, gint height);
 183
 184
 185 static inline gint get_cell_height(GtkTreeView *TreeView)
 186 {
 187   gint height;
 188   GtkTreeViewColumn *column = gtk_tree_view_get_column(TreeView, 0);
 189
 190   gtk_tree_view_column_cell_get_size(column, NULL, NULL, NULL, NULL, &height);
 191
 192   gint vertical_separator;
 193   gtk_widget_style_get (GTK_WIDGET (TreeView),
 194       "vertical-separator", &vertical_separator,
 195       NULL);
 196   height += vertical_separator;
 197
 198   return height;
 199 }
 200
 201 static inline guint threadlist_get_height(ThreadList *thread_list)
 202 {
 203   return thread_list->cell_height * thread_list->number_of_thread ;
 204 }
 205
 206
 207 static inline HashedThreadData *threadlist_get_thread_data(
 208           ThreadList *thread_list,
 209           gulong address, guint cpu, LttTime *thread_birth, guint trace_num)
 210 {
 211   XenoThreadInfo thread_info;
 212
 213   thread_info.address = address;
 214   if(address == 0)
 215     thread_info.cpu = cpu;
 216   else
 217     thread_info.cpu = ANY_CPU;
 218   thread_info.thread_birth = *thread_birth;
 219   thread_info.trace_num = trace_num;
 220
 221   return  (HashedThreadData*)g_hash_table_lookup(thread_list->thread_hash,&thread_info);
 222 }
 223
 224
 225 static gboolean find_timer(gpointer key, gpointer value, gpointer user_data){
 226   const HashedThreadData *pa = (const HashedThreadData*)value;
 227   const gulong pb = (const gulong)user_data;
 228
 229   return likely(pa->timer_address == pb);
 230 }
 231
 232 static inline XenoThreadInfo *threadlist_get_thread_from_timer(
 233           ThreadList *thread_list,gulong timer_address)
 234 {
 235   return  (HashedThreadData*)g_hash_table_find(thread_list->thread_hash,find_timer,timer_address);
 236 }
 237
 238 static inline gint threadlist_get_pixels_from_data(  ThreadList *thread_list,
 239           HashedThreadData *hashed_thread_data,
 240           guint *y,
 241           guint *height)
 242 {
 243   gint *path_indices;
 244   GtkTreePath *tree_path;
 245
 246   tree_path = gtk_tree_model_get_path((GtkTreeModel*)thread_list->list_store,
 247                     &hashed_thread_data->y_iter);
 248   path_indices =  gtk_tree_path_get_indices (tree_path);
 249
 250   *height = get_cell_height((GtkTreeView*)thread_list->thread_list_widget);
 251   *y = *height * path_indices[0];
 252   gtk_tree_path_free(tree_path);
 253
 254   return 0;
 255
 256 }
 257
 258 static inline guint threadlist_get_index_from_data(ThreadList *thread_list,
 259           HashedThreadData *hashed_thread_data)
 260 {
 261   gint *path_indices;
 262   GtkTreePath *tree_path;
 263   guint ret;
 264
 265   tree_path = gtk_tree_model_get_path((GtkTreeModel*)thread_list->list_store,
 266                     &hashed_thread_data->y_iter);
 267   path_indices =  gtk_tree_path_get_indices (tree_path);
 268
 269   ret = path_indices[0];
 270
 271   gtk_tree_path_free(tree_path);
 272
 273   return ret;
 274 }
 275
 276
 277
 278 #endif // _THREAD_LIST_H