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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> |
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25 | #include <gdk/gdk.h> |
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26 | #include <lttv/state.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, |
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48 | BRAND_COLUMN, |
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49 | PID_COLUMN, |
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50 | TGID_COLUMN, |
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51 | PPID_COLUMN, |
52 | CPU_COLUMN, |
53 | BIRTH_S_COLUMN, |
54 | BIRTH_NS_COLUMN, |
55 | TRACE_COLUMN, |
56 | N_COLUMNS |
57 | }; |
58 | |
59 | |
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60 | typedef struct _ProcessInfo { |
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61 | |
62 | guint pid; |
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63 | guint tgid; |
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64 | guint cpu; |
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65 | guint ppid; |
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66 | LttTime birth; |
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67 | guint trace_num; |
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68 | |
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69 | // gint height_cache; |
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70 | |
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71 | } ProcessInfo; |
72 | |
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73 | typedef struct _HashedProcessData { |
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74 | |
75 | GdkPixmap *pixmap; // Pixmap slice containing drawing buffer for the PID |
76 | gint height; // height of the pixmap |
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77 | GtkTreeIter y_iter; // Access quickly to y pos. |
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78 | // DrawContext *draw_context; |
79 | /* Information on current drawing */ |
23093869 |
80 | struct { |
81 | guint over; |
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82 | gboolean over_used; /* inform the user that information is incomplete */ |
83 | gboolean over_marked; /* inform the user that information is incomplete */ |
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84 | guint middle; |
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85 | gboolean middle_used; /* inform the user that information is incomplete */ |
86 | gboolean middle_marked;/* inform the user that information is incomplete */ |
23093869 |
87 | guint under; |
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88 | gboolean under_used; /* inform the user that information is incomplete */ |
89 | gboolean under_marked; /* inform the user that information is incomplete */ |
23093869 |
90 | } x; /* last x position saved by after state update */ |
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91 | |
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92 | LttTime next_good_time; /* precalculate the next time where the next |
93 | pixel is.*/ |
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94 | |
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95 | } HashedProcessData; |
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96 | |
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97 | struct _ProcessList { |
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98 | |
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99 | GtkWidget *process_list_widget; |
100 | GtkListStore *list_store; |
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101 | GtkWidget *button; /* one button of the tree view */ |
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102 | GtkCellRenderer *renderer; |
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103 | |
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104 | /* A hash table by PID to speed up process position find in the list */ |
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105 | GHashTable *process_hash; |
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106 | |
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107 | guint number_of_process; |
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108 | gint cell_height; |
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109 | |
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110 | /* Current process pointer, one per cpu, one per trace */ |
111 | HashedProcessData ***current_hash_data; |
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112 | |
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113 | /* Array containing index -> pixmap correspondance. Must be updated |
114 | * every time the process list is reordered, process added or removed */ |
115 | GPtrArray * index_to_pixmap; |
116 | |
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117 | }; |
118 | |
119 | |
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120 | typedef struct _ProcessList ProcessList; |
121 | |
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122 | |
123 | #ifndef TYPE_DRAWING_T_DEFINED |
124 | #define TYPE_DRAWING_T_DEFINED |
125 | typedef struct _Drawing_t Drawing_t; |
126 | #endif //TYPE_DRAWING_T_DEFINED |
127 | |
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128 | ProcessList *processlist_construct(void); |
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129 | void processlist_destroy(ProcessList *process_list); |
130 | GtkWidget *processlist_get_widget(ProcessList *process_list); |
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131 | |
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132 | void processlist_clear(ProcessList *process_list); |
133 | |
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134 | // out : success (0) and height |
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135 | /* CPU num is only used for PID 0 */ |
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136 | int processlist_add(ProcessList *process_list, Drawing_t * drawing, |
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137 | guint pid, guint tgid, guint cpu, guint ppid, |
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138 | LttTime *birth, guint trace_num, GQuark name, GQuark brand, guint *height, |
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139 | ProcessInfo **process_info, |
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140 | HashedProcessData **hashed_process_data); |
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141 | // out : success (0) and height |
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142 | int processlist_remove(ProcessList *process_list, guint pid, guint cpu, |
143 | LttTime *birth, guint trace_num); |
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144 | |
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145 | /* Set the name of a process */ |
146 | void processlist_set_name(ProcessList *process_list, |
147 | GQuark name, |
148 | HashedProcessData *hashed_process_data); |
149 | |
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150 | void processlist_set_brand(ProcessList *process_list, |
151 | GQuark brand, |
152 | HashedProcessData *hashed_process_data); |
153 | |
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154 | /* Set the ppid of a process */ |
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155 | void processlist_set_tgid(ProcessList *process_list, |
156 | guint tgid, |
157 | HashedProcessData *hashed_process_data); |
1fc7847f |
158 | void processlist_set_ppid(ProcessList *process_list, |
159 | guint ppid, |
160 | HashedProcessData *hashed_process_data); |
161 | |
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162 | |
163 | /* Synchronize the list at the left and the drawing */ |
164 | void update_index_to_pixmap(ProcessList *process_list); |
165 | |
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166 | /* Update the width of each pixmap buffer for each process */ |
167 | void update_pixmap_size(ProcessList *process_list, guint width); |
168 | |
169 | |
170 | /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */ |
171 | void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest, |
172 | GdkGC *gc, GdkDrawable *src, |
173 | gint xsrc, gint ysrc, |
174 | gint xdest, gint ydest, gint width, gint height); |
175 | |
176 | /* If height is -1, the height of each pixmap is used */ |
177 | void rectangle_pixmap(ProcessList *process_list, GdkGC *gc, |
178 | gboolean filled, gint x, gint y, gint width, gint height); |
179 | |
180 | /* Renders each pixmaps into on big drawable */ |
181 | void copy_pixmap_to_screen(ProcessList *process_list, |
182 | GdkDrawable *dest, |
183 | GdkGC *gc, |
184 | gint x, gint y, |
185 | gint width, gint height); |
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186 | |
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187 | |
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188 | static inline gint get_cell_height(GtkTreeView *TreeView) |
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189 | { |
190 | gint height; |
191 | GtkTreeViewColumn *column = gtk_tree_view_get_column(TreeView, 0); |
192 | |
193 | gtk_tree_view_column_cell_get_size(column, NULL, NULL, NULL, NULL, &height); |
6871f7d1 |
194 | |
195 | gint vertical_separator; |
196 | gtk_widget_style_get (GTK_WIDGET (TreeView), |
197 | "vertical-separator", &vertical_separator, |
198 | NULL); |
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199 | height += vertical_separator; |
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200 | |
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201 | return height; |
202 | } |
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203 | |
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204 | static inline guint processlist_get_height(ProcessList *process_list) |
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205 | { |
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206 | return process_list->cell_height * process_list->number_of_process ; |
6550d711 |
207 | } |
208 | |
209 | |
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210 | static inline HashedProcessData *processlist_get_process_data( |
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211 | ProcessList *process_list, |
212 | guint pid, guint cpu, LttTime *birth, guint trace_num) |
213 | { |
214 | ProcessInfo process_info; |
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215 | |
216 | process_info.pid = pid; |
217 | if(pid == 0) |
218 | process_info.cpu = cpu; |
219 | else |
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220 | process_info.cpu = ANY_CPU; |
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221 | process_info.birth = *birth; |
222 | process_info.trace_num = trace_num; |
223 | |
224 | return (HashedProcessData*)g_hash_table_lookup( |
225 | process_list->process_hash, |
226 | &process_info); |
227 | } |
228 | |
229 | |
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230 | static inline gint processlist_get_pixels_from_data( ProcessList *process_list, |
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231 | HashedProcessData *hashed_process_data, |
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232 | guint *y, |
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233 | guint *height) |
234 | { |
235 | gint *path_indices; |
236 | GtkTreePath *tree_path; |
237 | |
238 | tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store, |
239 | &hashed_process_data->y_iter); |
240 | path_indices = gtk_tree_path_get_indices (tree_path); |
241 | |
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242 | *height = get_cell_height((GtkTreeView*)process_list->process_list_widget); |
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243 | *y = *height * path_indices[0]; |
244 | gtk_tree_path_free(tree_path); |
245 | |
246 | return 0; |
247 | |
248 | } |
249 | |
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250 | static inline guint processlist_get_index_from_data(ProcessList *process_list, |
251 | HashedProcessData *hashed_process_data) |
252 | { |
253 | gint *path_indices; |
254 | GtkTreePath *tree_path; |
255 | guint ret; |
256 | |
257 | tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store, |
258 | &hashed_process_data->y_iter); |
259 | path_indices = gtk_tree_path_get_indices (tree_path); |
260 | |
261 | ret = path_indices[0]; |
262 | |
263 | gtk_tree_path_free(tree_path); |
264 | |
265 | return ret; |
266 | } |
267 | |
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268 | |
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269 | |
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270 | #endif // _PROCESS_LIST_H |