1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Mathieu Desnoyers
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;
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.
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,
21 #ifndef _PROCESS_LIST_H
22 #define _PROCESS_LIST_H
25 #include <lttv/state.h>
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
44 /* Enumeration of the columns */
58 typedef struct _ProcessInfo
{
70 typedef struct _HashedProcessData
{
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 */
79 gboolean over_used
; /* inform the user that information is incomplete */
80 gboolean over_marked
; /* inform the user that information is incomplete */
82 gboolean middle_used
; /* inform the user that information is incomplete */
83 gboolean middle_marked
;/* inform the user that information is incomplete */
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 */
89 LttTime next_good_time
; /* precalculate the next time where the next
96 GtkWidget
*process_list_widget
;
97 GtkListStore
*list_store
;
98 GtkWidget
*button
; /* one button of the tree view */
99 GtkCellRenderer
*renderer
;
101 /* A hash table by PID to speed up process position find in the list */
102 GHashTable
*process_hash
;
104 guint number_of_process
;
107 /* Current process, one per cpu */
108 HashedProcessData
**current_hash_data
;
110 /* Array containing index -> pixmap correspondance. Must be updated
111 * every time the process list is reordered, process added or removed */
112 GPtrArray
* index_to_pixmap
;
117 typedef struct _ProcessList ProcessList
;
120 #ifndef TYPE_DRAWING_T_DEFINED
121 #define TYPE_DRAWING_T_DEFINED
122 typedef struct _Drawing_t Drawing_t
;
123 #endif //TYPE_DRAWING_T_DEFINED
125 ProcessList
*processlist_construct(void);
126 void processlist_destroy(ProcessList
*process_list
);
127 GtkWidget
*processlist_get_widget(ProcessList
*process_list
);
129 void processlist_clear(ProcessList
*process_list
);
131 // out : success (0) and height
132 /* CPU num is only used for PID 0 */
133 int processlist_add(ProcessList
*process_list
, Drawing_t
* drawing
,
134 guint pid
, guint cpu
, guint ppid
,
135 LttTime
*birth
, guint trace_num
, GQuark name
, guint
*height
,
136 ProcessInfo
**process_info
,
137 HashedProcessData
**hashed_process_data
);
138 // out : success (0) and height
139 int processlist_remove(ProcessList
*process_list
, guint pid
, guint cpu
,
140 LttTime
*birth
, guint trace_num
);
142 /* Set the name of a process */
143 void processlist_set_name(ProcessList
*process_list
,
145 HashedProcessData
*hashed_process_data
);
148 /* Synchronize the list at the left and the drawing */
149 void update_index_to_pixmap(ProcessList
*process_list
);
151 /* Update the width of each pixmap buffer for each process */
152 void update_pixmap_size(ProcessList
*process_list
, guint width
);
155 /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */
156 void copy_pixmap_region(ProcessList
*process_list
, GdkDrawable
*dest
,
157 GdkGC
*gc
, GdkDrawable
*src
,
158 gint xsrc
, gint ysrc
,
159 gint xdest
, gint ydest
, gint width
, gint height
);
161 /* If height is -1, the height of each pixmap is used */
162 void rectangle_pixmap(ProcessList
*process_list
, GdkGC
*gc
,
163 gboolean filled
, gint x
, gint y
, gint width
, gint height
);
165 /* Renders each pixmaps into on big drawable */
166 void copy_pixmap_to_screen(ProcessList
*process_list
,
170 gint width
, gint height
);
175 static inline guint
processlist_get_height(ProcessList
*process_list
)
177 return process_list
->cell_height
* process_list
->number_of_process
;
181 static inline HashedProcessData
*processlist_get_process_data(
182 ProcessList
*process_list
,
183 guint pid
, guint cpu
, LttTime
*birth
, guint trace_num
)
185 ProcessInfo process_info
;
187 process_info
.pid
= pid
;
189 process_info
.cpu
= cpu
;
191 process_info
.cpu
= ANY_CPU
;
192 process_info
.birth
= *birth
;
193 process_info
.trace_num
= trace_num
;
195 return (HashedProcessData
*)g_hash_table_lookup(
196 process_list
->process_hash
,
201 static inline gint
processlist_get_pixels_from_data( ProcessList
*process_list
,
202 HashedProcessData
*hashed_process_data
,
207 GtkTreePath
*tree_path
;
209 tree_path
= gtk_tree_model_get_path((GtkTreeModel
*)process_list
->list_store
,
210 &hashed_process_data
->y_iter
);
211 path_indices
= gtk_tree_path_get_indices (tree_path
);
213 *height
= get_cell_height(process_list
,
214 (GtkTreeView
*)process_list
->process_list_widget
);
215 *y
= *height
* path_indices
[0];
216 gtk_tree_path_free(tree_path
);
222 static inline guint
processlist_get_index_from_data(ProcessList
*process_list
,
223 HashedProcessData
*hashed_process_data
)
226 GtkTreePath
*tree_path
;
229 tree_path
= gtk_tree_model_get_path((GtkTreeModel
*)process_list
->list_store
,
230 &hashed_process_data
->y_iter
);
231 path_indices
= gtk_tree_path_get_indices (tree_path
);
233 ret
= path_indices
[0];
235 gtk_tree_path_free(tree_path
);
242 #endif // _PROCESS_LIST_H
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