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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 | |
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21 | #ifndef _PROCESS_LIST_H |
22 | #define _PROCESS_LIST_H |
23 | |
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24 | #include <gtk/gtk.h> |
25 | #include <lttv/state.h> |
26 | #include <ltt/ltt.h> |
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27 | |
28 | #include "drawitem.h" |
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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 |
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37 | * note : the sync with drawing is left to the caller. |
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38 | * provides helper function to convert a process unique identifier to |
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39 | * pixels (in height). |
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40 | * |
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41 | */ |
42 | |
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43 | |
44 | /* Enumeration of the columns */ |
45 | enum |
46 | { |
47 | PROCESS_COLUMN, |
48 | PID_COLUMN, |
49 | PPID_COLUMN, |
50 | CPU_COLUMN, |
51 | BIRTH_S_COLUMN, |
52 | BIRTH_NS_COLUMN, |
53 | TRACE_COLUMN, |
54 | N_COLUMNS |
55 | }; |
56 | |
57 | |
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58 | typedef struct _ProcessInfo { |
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59 | |
60 | guint pid; |
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61 | guint cpu; |
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62 | guint ppid; |
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63 | LttTime birth; |
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64 | guint trace_num; |
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65 | |
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66 | // gint height_cache; |
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67 | |
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68 | } ProcessInfo; |
69 | |
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70 | typedef struct _HashedProcessData { |
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71 | |
72 | GdkPixmap *pixmap; // Pixmap slice containing drawing buffer for the PID |
73 | gint height; // height of the pixmap |
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74 | GtkTreeIter y_iter; // Access quickly to y pos. |
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75 | // DrawContext *draw_context; |
76 | /* Information on current drawing */ |
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77 | struct { |
78 | guint over; |
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79 | gboolean over_used; /* inform the user that information is incomplete */ |
80 | gboolean over_marked; /* inform the user that information is incomplete */ |
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81 | guint middle; |
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82 | gboolean middle_used; /* inform the user that information is incomplete */ |
83 | gboolean middle_marked;/* inform the user that information is incomplete */ |
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84 | guint under; |
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85 | gboolean under_used; /* inform the user that information is incomplete */ |
86 | gboolean under_marked; /* inform the user that information is incomplete */ |
23093869 |
87 | } x; /* last x position saved by after state update */ |
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88 | |
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89 | LttTime next_good_time; /* precalculate the next time where the next |
90 | pixel is.*/ |
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91 | // FIXME : add info on last event ? |
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92 | |
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93 | } HashedProcessData; |
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94 | |
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95 | struct _ProcessList { |
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96 | |
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97 | GtkWidget *process_list_widget; |
98 | GtkListStore *list_store; |
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99 | GtkWidget *button; /* one button of the tree view */ |
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100 | GtkCellRenderer *renderer; |
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101 | |
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102 | /* A hash table by PID to speed up process position find in the list */ |
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103 | GHashTable *process_hash; |
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104 | |
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105 | guint number_of_process; |
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106 | gint cell_height; |
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107 | |
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108 | /* Current process, one per cpu */ |
109 | HashedProcessData **current_hash_data; |
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110 | |
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111 | /* Array containing index -> pixmap correspondance. Must be updated |
112 | * every time the process list is reordered, process added or removed */ |
113 | GPtrArray * index_to_pixmap; |
114 | |
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115 | }; |
116 | |
117 | |
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118 | typedef struct _ProcessList ProcessList; |
119 | |
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120 | |
121 | #ifndef TYPE_DRAWING_T_DEFINED |
122 | #define TYPE_DRAWING_T_DEFINED |
123 | typedef struct _Drawing_t Drawing_t; |
124 | #endif //TYPE_DRAWING_T_DEFINED |
125 | |
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126 | ProcessList *processlist_construct(void); |
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127 | void processlist_destroy(ProcessList *process_list); |
128 | GtkWidget *processlist_get_widget(ProcessList *process_list); |
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129 | |
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130 | void processlist_clear(ProcessList *process_list); |
131 | |
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132 | // out : success (0) and height |
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133 | /* CPU num is only used for PID 0 */ |
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134 | int processlist_add(ProcessList *process_list, Drawing_t * drawing, |
135 | guint pid, guint cpu, guint ppid, |
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136 | LttTime *birth, guint trace_num, const gchar *name, guint *height, |
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137 | ProcessInfo **process_info, |
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138 | HashedProcessData **hashed_process_data); |
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139 | // out : success (0) and height |
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140 | int processlist_remove(ProcessList *process_list, guint pid, guint cpu, |
141 | LttTime *birth, guint trace_num); |
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142 | |
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143 | |
144 | /* Synchronize the list at the left and the drawing */ |
145 | void update_index_to_pixmap(ProcessList *process_list); |
146 | |
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147 | /* Update the width of each pixmap buffer for each process */ |
148 | void update_pixmap_size(ProcessList *process_list, guint width); |
149 | |
150 | |
151 | /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */ |
152 | void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest, |
153 | GdkGC *gc, GdkDrawable *src, |
154 | gint xsrc, gint ysrc, |
155 | gint xdest, gint ydest, gint width, gint height); |
156 | |
157 | /* If height is -1, the height of each pixmap is used */ |
158 | void rectangle_pixmap(ProcessList *process_list, GdkGC *gc, |
159 | gboolean filled, gint x, gint y, gint width, gint height); |
160 | |
161 | /* Renders each pixmaps into on big drawable */ |
162 | void copy_pixmap_to_screen(ProcessList *process_list, |
163 | GdkDrawable *dest, |
164 | GdkGC *gc, |
165 | gint x, gint y, |
166 | gint width, gint height); |
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167 | |
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168 | |
169 | |
170 | |
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171 | static inline guint processlist_get_height(ProcessList *process_list) |
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172 | { |
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173 | return process_list->cell_height * process_list->number_of_process ; |
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174 | } |
175 | |
176 | |
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177 | static inline HashedProcessData *processlist_get_process_data( |
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178 | ProcessList *process_list, |
179 | guint pid, guint cpu, LttTime *birth, guint trace_num) |
180 | { |
181 | ProcessInfo process_info; |
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182 | |
183 | process_info.pid = pid; |
184 | if(pid == 0) |
185 | process_info.cpu = cpu; |
186 | else |
187 | process_info.cpu = 0; |
188 | process_info.birth = *birth; |
189 | process_info.trace_num = trace_num; |
190 | |
191 | return (HashedProcessData*)g_hash_table_lookup( |
192 | process_list->process_hash, |
193 | &process_info); |
194 | } |
195 | |
196 | |
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197 | static inline gint processlist_get_pixels_from_data( ProcessList *process_list, |
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198 | HashedProcessData *hashed_process_data, |
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199 | guint *y, |
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200 | guint *height) |
201 | { |
202 | gint *path_indices; |
203 | GtkTreePath *tree_path; |
204 | |
205 | tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store, |
206 | &hashed_process_data->y_iter); |
207 | path_indices = gtk_tree_path_get_indices (tree_path); |
208 | |
209 | *height = get_cell_height(process_list, |
210 | (GtkTreeView*)process_list->process_list_widget); |
211 | *y = *height * path_indices[0]; |
212 | gtk_tree_path_free(tree_path); |
213 | |
214 | return 0; |
215 | |
216 | } |
217 | |
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218 | static inline guint processlist_get_index_from_data(ProcessList *process_list, |
219 | HashedProcessData *hashed_process_data) |
220 | { |
221 | gint *path_indices; |
222 | GtkTreePath *tree_path; |
223 | guint ret; |
224 | |
225 | tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store, |
226 | &hashed_process_data->y_iter); |
227 | path_indices = gtk_tree_path_get_indices (tree_path); |
228 | |
229 | ret = path_indices[0]; |
230 | |
231 | gtk_tree_path_free(tree_path); |
232 | |
233 | return ret; |
234 | } |
235 | |
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236 | |
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237 | |
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238 | #endif // _PROCESS_LIST_H |