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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 | * |
41 | * //FIXME : connect the scrolled window adjustment with the list. |
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42 | */ |
43 | |
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44 | typedef struct _ProcessInfo { |
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45 | |
46 | guint pid; |
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47 | guint ppid; |
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48 | LttTime birth; |
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49 | guint trace_num; |
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50 | |
51 | } ProcessInfo; |
52 | |
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53 | typedef struct _HashedProcessData { |
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54 | |
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55 | GtkTreeRowReference *row_ref; |
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56 | // DrawContext *draw_context; |
57 | /* Information on current drawing */ |
58 | guint x; /* last x position saved by after state update */ |
59 | |
60 | // FIXME : add info on last event ? |
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61 | |
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62 | } HashedProcessData; |
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63 | |
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64 | struct _ProcessList { |
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65 | |
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66 | GtkWidget *process_list_widget; |
67 | GtkListStore *list_store; |
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68 | GtkWidget *button; /* one button of the tree view */ |
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69 | |
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70 | /* A hash table by PID to speed up process position find in the list */ |
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71 | GHashTable *process_hash; |
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72 | |
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73 | guint number_of_process; |
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74 | }; |
75 | |
76 | |
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77 | typedef struct _ProcessList ProcessList; |
78 | |
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79 | ProcessList *processlist_construct(void); |
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80 | void processlist_destroy(ProcessList *process_list); |
81 | GtkWidget *processlist_get_widget(ProcessList *process_list); |
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82 | |
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83 | void processlist_clear(ProcessList *process_list); |
84 | |
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85 | // out : success (0) and height |
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86 | int processlist_add(ProcessList *process_list, guint pid, guint ppid, |
87 | LttTime *birth, guint trace_num, const gchar *name, guint *height, |
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88 | HashedProcessData **hashed_process_data); |
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89 | // out : success (0) and height |
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90 | int processlist_remove(ProcessList *process_list, guint pid, LttTime *birth, |
91 | guint trace_num); |
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92 | |
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93 | guint processlist_get_height(ProcessList *process_list); |
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94 | |
95 | // Returns 0 on success |
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96 | gint processlist_get_process_pixels(ProcessList *process_list, |
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97 | guint pid, LttTime *birth, guint trace_num, |
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98 | guint *y, guint *height, |
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99 | HashedProcessData **hashed_process_data); |
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100 | |
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101 | gint processlist_get_pixels_from_data( ProcessList *process_list, |
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102 | ProcessInfo *process_info, |
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103 | HashedProcessData *hashed_process_data, |
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104 | guint *y, |
105 | guint *height); |
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106 | |
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107 | #endif // _PROCESS_LIST_H |