| 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 _PROCESS_LIST_H |
| 22 | #define _PROCESS_LIST_H |
| 23 | |
| 24 | #include <gtk/gtk.h> |
| 25 | #include <lttv/state.h> |
| 26 | #include <ltt/ltt.h> |
| 27 | |
| 28 | #include "drawitem.h" |
| 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 |
| 37 | * note : the sync with drawing is left to the caller. |
| 38 | * provides helper function to convert a process unique identifier to |
| 39 | * pixels (in height). |
| 40 | * |
| 41 | * //FIXME : connect the scrolled window adjustment with the list. |
| 42 | */ |
| 43 | |
| 44 | typedef struct _ProcessInfo { |
| 45 | |
| 46 | guint pid; |
| 47 | GQuark cpu; /* only for PID 0 */ |
| 48 | guint ppid; |
| 49 | LttTime birth; |
| 50 | guint trace_num; |
| 51 | |
| 52 | } ProcessInfo; |
| 53 | |
| 54 | typedef struct _HashedProcessData { |
| 55 | |
| 56 | GtkTreeRowReference *row_ref; |
| 57 | // DrawContext *draw_context; |
| 58 | /* Information on current drawing */ |
| 59 | guint x; /* last x position saved by after state update */ |
| 60 | |
| 61 | // FIXME : add info on last event ? |
| 62 | |
| 63 | } HashedProcessData; |
| 64 | |
| 65 | struct _ProcessList { |
| 66 | |
| 67 | GtkWidget *process_list_widget; |
| 68 | GtkListStore *list_store; |
| 69 | GtkWidget *button; /* one button of the tree view */ |
| 70 | |
| 71 | /* A hash table by PID to speed up process position find in the list */ |
| 72 | GHashTable *process_hash; |
| 73 | |
| 74 | guint number_of_process; |
| 75 | }; |
| 76 | |
| 77 | |
| 78 | typedef struct _ProcessList ProcessList; |
| 79 | |
| 80 | ProcessList *processlist_construct(void); |
| 81 | void processlist_destroy(ProcessList *process_list); |
| 82 | GtkWidget *processlist_get_widget(ProcessList *process_list); |
| 83 | |
| 84 | void processlist_clear(ProcessList *process_list); |
| 85 | |
| 86 | // out : success (0) and height |
| 87 | /* CPU num is only used for PID 0 */ |
| 88 | int processlist_add(ProcessList *process_list, guint pid, guint cpu, guint ppid, |
| 89 | LttTime *birth, guint trace_num, const gchar *name, guint *height, |
| 90 | HashedProcessData **hashed_process_data); |
| 91 | // out : success (0) and height |
| 92 | int processlist_remove(ProcessList *process_list, guint pid, guint cpu, |
| 93 | LttTime *birth, guint trace_num); |
| 94 | |
| 95 | guint processlist_get_height(ProcessList *process_list); |
| 96 | |
| 97 | // Returns 0 on success |
| 98 | gint processlist_get_process_pixels(ProcessList *process_list, |
| 99 | guint pid, guint cpu, LttTime *birth, guint trace_num, |
| 100 | guint *y, guint *height, |
| 101 | HashedProcessData **hashed_process_data); |
| 102 | |
| 103 | gint processlist_get_pixels_from_data( ProcessList *process_list, |
| 104 | ProcessInfo *process_info, |
| 105 | HashedProcessData *hashed_process_data, |
| 106 | guint *y, |
| 107 | guint *height); |
| 108 | |
| 109 | #endif // _PROCESS_LIST_H |