1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Mathieu Desnoyers and XangXiu Yang
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,
20 //*! \defgroup GuiEvents libGuiEvents: The GUI Events display plugin */
24 * \brief Graphical plugin for showing events.
26 * This plugin lists all the events contained in the current time interval
29 * This plugin adds a Events Viewer functionnality to Linux TraceToolkit
30 * GUI when this plugin is loaded. The init and destroy functions add the
31 * viewer's insertion menu item and toolbar icon by calling gtkTraceSet's
32 * API functions. Then, when a viewer's object is created, the constructor
33 * creates ans register through API functions what is needed to interact
34 * with the TraceSet window.
36 * Authors : Mathieu Desnoyers and XangXiu Yang, June to December 2003
37 * Inspired from original LTT, made by Karim Yaghmour
46 #include <lttv/module.h>
47 #include <lttv/hook.h>
48 #include <lttvgui/gtktraceset.h>
49 #include <lttv/tracecontext.h>
50 #include <lttv/state.h>
52 #include <ltt/event.h>
54 #include <ltt/trace.h>
55 #include <ltt/facility.h>
59 #include "gtktreeprivate.h"
61 #include "hGuiEventsInsert.xpm"
64 static LttvHooks
*before_event
;
66 /** Array containing instanced objects. Used when module is unloaded */
67 static GSList
*g_event_viewer_data_list
= NULL
;
69 typedef struct _RawTraceData
{
74 unsigned entry_length
;
75 char * event_description
;
79 #define RESERVE_BIG_SIZE 1000
80 #define RESERVE_SMALL_SIZE 100
81 #define RESERVE_SMALL_SIZE_SQUARE RESERVE_SMALL_SIZE*RESERVE_SMALL_SIZE
82 #define RESERVE_SMALL_SIZE_CUBE RESERVE_SMALL_SIZE*RESERVE_SMALL_SIZE_SQUARE
84 typedef enum _ScrollDirection
{
93 typedef struct _EventViewerData
{
96 TimeWindow time_window
;
98 LttvHooks
* before_event_hooks
;
100 gboolean append
; //prepend or append item
101 GQueue
* raw_trace_data_queue
; //buf to contain raw trace data
102 GQueue
* raw_trace_data_queue_tmp
; //tmp buf to contain raw data
103 unsigned current_event_index
;
104 double previous_value
; //value of the slide
105 TimeInterval time_span
;
106 unsigned start_event_index
; //the first event shown in the window
107 unsigned end_event_index
; //the last event shown in the window
108 unsigned size
; //maxi number of events loaded when instance the viewer
109 gboolean shown
; //indicate if event detail is shown or not
110 gboolean current_time_updated
;
113 //scroll window containing Tree View
114 GtkWidget
* scroll_win
;
116 /* Model containing list data */
117 GtkListStore
*store_m
;
120 /* Widget to display the data in a columned list */
122 GtkAdjustment
*vtree_adjust_c
;
124 /* Vertical scrollbar and it's adjustment */
125 GtkWidget
*vscroll_vc
;
126 GtkAdjustment
*vadjust_c
;
128 /* Selection handler */
129 GtkTreeSelection
*select_c
;
131 guint num_visible_events
;
132 guint first_event
, last_event
;
134 /* TEST DATA, TO BE READ FROM THE TRACE */
135 gint number_of_events
;
136 guint currently_selected_event
;
137 gboolean selected_event
;
141 /** hook functions for update time interval, current time ... */
142 gboolean
update_time_window(void * hook_data
, void * call_data
);
143 gboolean
update_current_time(void * hook_data
, void * call_data
);
144 gboolean
show_event_detail(void * hook_data
, void * call_data
);
145 gboolean
traceset_changed(void * hook_data
, void * call_data
);
146 void remove_item_from_queue(GQueue
* q
, gboolean fromHead
);
147 void remove_all_items_from_queue(GQueue
* q
);
148 void add_context_hooks(EventViewerData
* event_viewer_data
,
149 LttvTracesetContext
* tsc
);
150 void remove_context_hooks(EventViewerData
* event_viewer_data
,
151 LttvTracesetContext
* tsc
);
153 //! Event Viewer's constructor hook
154 GtkWidget
*h_gui_events(MainWindow
*parent_window
, LttvTracesetSelector
* s
, char* key
);
155 //! Event Viewer's constructor
156 EventViewerData
*gui_events(MainWindow
*parent_window
, LttvTracesetSelector
*s
, char *key
);
157 //! Event Viewer's destructor
158 void gui_events_destructor(EventViewerData
*event_viewer_data
);
159 void gui_events_free(EventViewerData
*event_viewer_data
);
161 static int event_selected_hook(void *hook_data
, void *call_data
);
163 void tree_v_set_cursor(EventViewerData
*event_viewer_data
);
164 void tree_v_get_cursor(EventViewerData
*event_viewer_data
);
166 /* Prototype for selection handler callback */
167 static void tree_selection_changed_cb (GtkTreeSelection
*selection
, gpointer data
);
168 static void v_scroll_cb (GtkAdjustment
*adjustment
, gpointer data
);
169 static void tree_v_size_allocate_cb (GtkWidget
*widget
, GtkAllocation
*alloc
, gpointer data
);
170 static void tree_v_size_request_cb (GtkWidget
*widget
, GtkRequisition
*requisition
, gpointer data
);
171 static void tree_v_cursor_changed_cb (GtkWidget
*widget
, gpointer data
);
172 static void tree_v_move_cursor_cb (GtkWidget
*widget
, GtkMovementStep arg1
, gint arg2
, gpointer data
);
173 static void tree_v_grab_focus(GtkWidget
*widget
, gpointer data
);
176 static void get_test_data(double time
, guint list_height
,
177 EventViewerData
*event_viewer_data
);
179 void add_test_data(EventViewerData
*event_viewer_data
);
181 static void update_raw_data_array(EventViewerData
* event_viewer_data
, unsigned size
);
183 static void get_events(EventViewerData
* event_viewer_data
, LttTime start
,
184 LttTime end
, unsigned max_num_events
, unsigned * real_num_events
);
185 static gboolean
parse_event(void *hook_data
, void *call_data
);
187 static LttvModule
*main_win_module
;
189 /* Enumeration of the columns */
203 * Event Viewer's constructor hook
205 * This constructor is given as a parameter to the menuitem and toolbar button
206 * registration. It creates the list.
207 * @param parent_window A pointer to the parent window.
208 * @return The widget created.
211 h_gui_events(MainWindow
* parent_window
, LttvTracesetSelector
* s
, char* key
)
213 EventViewerData
* event_viewer_data
= gui_events(parent_window
, s
, key
) ;
215 if(event_viewer_data
)
216 return event_viewer_data
->hbox_v
;
222 * Event Viewer's constructor
224 * This constructor is used to create EventViewerData data structure.
225 * @return The Event viewer data created.
228 gui_events(MainWindow
*parent_window
, LttvTracesetSelector
* s
,char* key
)
231 GtkTreeViewColumn
*column
;
232 GtkCellRenderer
*renderer
;
233 EventViewerData
* event_viewer_data
= g_new(EventViewerData
,1) ;
236 event_viewer_data
->mw
= parent_window
;
237 get_time_window(event_viewer_data
->mw
, &event_viewer_data
->time_window
);
238 get_current_time(event_viewer_data
->mw
, &event_viewer_data
->current_time
);
240 event_viewer_data
->before_event_hooks
= lttv_hooks_new();
241 lttv_hooks_add(event_viewer_data
->before_event_hooks
, parse_event
, event_viewer_data
);
243 event_viewer_data
->raw_trace_data_queue
= g_queue_new();
244 event_viewer_data
->raw_trace_data_queue_tmp
= g_queue_new();
246 reg_update_time_window(update_time_window
,event_viewer_data
, event_viewer_data
->mw
);
247 reg_update_current_time(update_current_time
,event_viewer_data
, event_viewer_data
->mw
);
248 reg_show_viewer(show_event_detail
,event_viewer_data
, event_viewer_data
->mw
);
249 reg_update_traceset(traceset_changed
,event_viewer_data
, event_viewer_data
->mw
);
251 event_viewer_data
->scroll_win
= gtk_scrolled_window_new (NULL
, NULL
);
252 gtk_widget_show ( event_viewer_data
->scroll_win
);
253 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(event_viewer_data
->scroll_win
),
254 GTK_POLICY_AUTOMATIC
, GTK_POLICY_NEVER
);
256 /* TEST DATA, TO BE READ FROM THE TRACE */
257 event_viewer_data
->currently_selected_event
= FALSE
;
258 event_viewer_data
->selected_event
= 0;
260 /* Create a model for storing the data list */
261 event_viewer_data
->store_m
= gtk_list_store_new (
262 N_COLUMNS
, /* Total number of columns */
263 G_TYPE_INT
, /* CPUID */
264 G_TYPE_STRING
, /* Event */
265 G_TYPE_UINT64
, /* Time */
266 G_TYPE_INT
, /* PID */
267 G_TYPE_INT
, /* Entry length */
268 G_TYPE_STRING
); /* Event's description */
270 /* Create the viewer widget for the columned list */
271 event_viewer_data
->tree_v
= gtk_tree_view_new_with_model (GTK_TREE_MODEL (event_viewer_data
->store_m
));
273 g_signal_connect (G_OBJECT (event_viewer_data
->tree_v
), "size-allocate",
274 G_CALLBACK (tree_v_size_allocate_cb
),
276 g_signal_connect (G_OBJECT (event_viewer_data
->tree_v
), "size-request",
277 G_CALLBACK (tree_v_size_request_cb
),
280 g_signal_connect (G_OBJECT (event_viewer_data
->tree_v
), "cursor-changed",
281 G_CALLBACK (tree_v_cursor_changed_cb
),
284 g_signal_connect (G_OBJECT (event_viewer_data
->tree_v
), "move-cursor",
285 G_CALLBACK (tree_v_move_cursor_cb
),
288 g_signal_connect (G_OBJECT (event_viewer_data
->tree_v
), "grab-focus",
289 G_CALLBACK (tree_v_grab_focus
),
292 // Use on each column!
293 //gtk_tree_view_column_set_sizing(event_viewer_data->tree_v, GTK_TREE_VIEW_COLUMN_FIXED);
295 /* The view now holds a reference. We can get rid of our own
297 g_object_unref (G_OBJECT (event_viewer_data
->store_m
));
300 /* Create a column, associating the "text" attribute of the
301 * cell_renderer to the first column of the model */
302 /* Columns alignment : 0.0 : Left 0.5 : Center 1.0 : Right */
303 renderer
= gtk_cell_renderer_text_new ();
304 column
= gtk_tree_view_column_new_with_attributes ("CPUID",
306 "text", CPUID_COLUMN
,
308 gtk_tree_view_column_set_alignment (column
, 0.0);
309 gtk_tree_view_column_set_fixed_width (column
, 45);
310 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
), column
);
312 renderer
= gtk_cell_renderer_text_new ();
313 column
= gtk_tree_view_column_new_with_attributes ("Event",
315 "text", EVENT_COLUMN
,
317 gtk_tree_view_column_set_alignment (column
, 0.0);
318 gtk_tree_view_column_set_fixed_width (column
, 120);
319 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
), column
);
321 renderer
= gtk_cell_renderer_text_new ();
322 column
= gtk_tree_view_column_new_with_attributes ("Time",
326 gtk_tree_view_column_set_alignment (column
, 1.0);
327 gtk_tree_view_column_set_fixed_width (column
, 120);
328 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
), column
);
330 renderer
= gtk_cell_renderer_text_new ();
331 column
= gtk_tree_view_column_new_with_attributes ("PID",
335 gtk_tree_view_column_set_alignment (column
, 1.0);
336 gtk_tree_view_column_set_fixed_width (column
, 45);
337 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
), column
);
339 renderer
= gtk_cell_renderer_text_new ();
340 column
= gtk_tree_view_column_new_with_attributes ("Entry Length",
342 "text", ENTRY_LEN_COLUMN
,
344 gtk_tree_view_column_set_alignment (column
, 1.0);
345 gtk_tree_view_column_set_fixed_width (column
, 60);
346 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
), column
);
348 renderer
= gtk_cell_renderer_text_new ();
349 column
= gtk_tree_view_column_new_with_attributes ("Event's Description",
351 "text", EVENT_DESCR_COLUMN
,
353 gtk_tree_view_column_set_alignment (column
, 0.0);
354 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
), column
);
357 /* Setup the selection handler */
358 event_viewer_data
->select_c
= gtk_tree_view_get_selection (GTK_TREE_VIEW (event_viewer_data
->tree_v
));
359 gtk_tree_selection_set_mode (event_viewer_data
->select_c
, GTK_SELECTION_SINGLE
);
360 g_signal_connect (G_OBJECT (event_viewer_data
->select_c
), "changed",
361 G_CALLBACK (tree_selection_changed_cb
),
364 gtk_container_add (GTK_CONTAINER (event_viewer_data
->scroll_win
), event_viewer_data
->tree_v
);
366 event_viewer_data
->hbox_v
= gtk_hbox_new(0, 0);
367 gtk_box_pack_start(GTK_BOX(event_viewer_data
->hbox_v
), event_viewer_data
->scroll_win
, TRUE
, TRUE
, 0);
369 /* Create vertical scrollbar and pack it */
370 event_viewer_data
->vscroll_vc
= gtk_vscrollbar_new(NULL
);
371 gtk_range_set_update_policy (GTK_RANGE(event_viewer_data
->vscroll_vc
),
372 GTK_UPDATE_CONTINUOUS
);
373 // Changed by MD : more user friendly :)
374 //GTK_UPDATE_DISCONTINUOUS);
375 gtk_box_pack_start(GTK_BOX(event_viewer_data
->hbox_v
), event_viewer_data
->vscroll_vc
, FALSE
, TRUE
, 0);
377 /* Get the vertical scrollbar's adjustment */
378 event_viewer_data
->vadjust_c
= gtk_range_get_adjustment(GTK_RANGE(event_viewer_data
->vscroll_vc
));
379 event_viewer_data
->vtree_adjust_c
= gtk_tree_view_get_vadjustment(
380 GTK_TREE_VIEW (event_viewer_data
->tree_v
));
382 g_signal_connect (G_OBJECT (event_viewer_data
->vadjust_c
), "value-changed",
383 G_CALLBACK (v_scroll_cb
),
385 /* Set the upper bound to the last event number */
386 event_viewer_data
->previous_value
= 0;
387 event_viewer_data
->vadjust_c
->lower
= 0.0;
388 //event_viewer_data->vadjust_c->upper = event_viewer_data->number_of_events;
389 event_viewer_data
->vadjust_c
->value
= 0.0;
390 event_viewer_data
->vadjust_c
->step_increment
= 1.0;
391 event_viewer_data
->vadjust_c
->page_increment
= 2.0;
392 // event_viewer_data->vtree_adjust_c->upper;
393 event_viewer_data
->vadjust_c
->page_size
= 2.0;
394 // event_viewer_data->vtree_adjust_c->upper;
395 /* Raw event trace */
396 gtk_widget_show(event_viewer_data
->hbox_v
);
397 gtk_widget_show(event_viewer_data
->tree_v
);
398 gtk_widget_show(event_viewer_data
->vscroll_vc
);
400 /* Add the object's information to the module's array */
401 g_event_viewer_data_list
= g_slist_append(g_event_viewer_data_list
, event_viewer_data
);
403 event_viewer_data
->first_event
= -1 ;
404 event_viewer_data
->last_event
= 0 ;
406 event_viewer_data
->num_visible_events
= 1;
408 //get the life span of the traceset and set the upper of the scroll bar
409 get_traceset_time_span(event_viewer_data
->mw
, &event_viewer_data
->time_span
);
411 start
= ltt_time_sub(event_viewer_data
->time_span
.endTime
, event_viewer_data
->time_span
.startTime
);
412 event_viewer_data
->vadjust_c
->upper
= ltt_time_to_double(start
) * NANOSECONDS_PER_SECOND
;
414 event_viewer_data
->append
= TRUE
;
416 event_viewer_data
->start_event_index
= 0;
417 event_viewer_data
->end_event_index
= event_viewer_data
->num_visible_events
- 1;
419 /* Set the Selected Event */
420 // tree_v_set_cursor(event_viewer_data);
422 event_viewer_data
->shown
= FALSE
;
423 event_viewer_data
->current_time_updated
= FALSE
;
424 event_viewer_data
->size
= RESERVE_SMALL_SIZE
;
426 G_OBJECT(event_viewer_data
->hbox_v
),
428 &event_viewer_data
->size
);
431 G_OBJECT(event_viewer_data->hbox_v),
433 &event_viewer_data->time_span);
435 event_viewer_data
->filter_key
= g_strdup(key
);
437 G_OBJECT(event_viewer_data
->hbox_v
),
438 event_viewer_data
->filter_key
,
441 g_object_set_data_full(
442 G_OBJECT(event_viewer_data
->hbox_v
),
445 (GDestroyNotify
)gui_events_free
);
447 return event_viewer_data
;
450 void tree_v_set_cursor(EventViewerData
*event_viewer_data
)
454 if(event_viewer_data
->selected_event
&& event_viewer_data
->first_event
!= -1)
456 // gtk_adjustment_set_value(event_viewer_data->vadjust_c,
457 // event_viewer_data->currently_selected_event);
459 path
= gtk_tree_path_new_from_indices(
460 event_viewer_data
->currently_selected_event
-
461 event_viewer_data
->first_event
,
464 gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
), path
, NULL
, FALSE
);
465 gtk_tree_path_free(path
);
469 void tree_v_get_cursor(EventViewerData
*event_viewer_data
)
474 gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
), &path
, NULL
);
475 indices
= gtk_tree_path_get_indices(path
);
479 event_viewer_data
->selected_event
= TRUE
;
480 event_viewer_data
->currently_selected_event
=
481 event_viewer_data
->first_event
+ indices
[0];
484 event_viewer_data
->selected_event
= FALSE
;
485 event_viewer_data
->currently_selected_event
= 0;
488 gtk_tree_path_free(path
);
494 void tree_v_move_cursor_cb (GtkWidget
*widget
, GtkMovementStep arg1
, gint arg2
, gpointer data
)
496 GtkTreePath
*path
; // = gtk_tree_path_new();
499 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
501 gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
), &path
, NULL
);
504 /* No prior cursor, put it at beginning of page and let the execution do */
505 path
= gtk_tree_path_new_from_indices(0, -1);
506 gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
), path
, NULL
, FALSE
);
509 indices
= gtk_tree_path_get_indices(path
);
511 value
= gtk_adjustment_get_value(event_viewer_data
->vadjust_c
);
513 if(arg1
== GTK_MOVEMENT_DISPLAY_LINES
)
518 /* move one line down */
519 if(indices
[0] == event_viewer_data
->num_visible_events
- 1)
521 if(value
+ event_viewer_data
->num_visible_events
<=
522 event_viewer_data
->number_of_events
-1)
524 event_viewer_data
->currently_selected_event
+= 1;
525 // gtk_adjustment_set_value(event_viewer_data->vadjust_c, value+1);
526 //gtk_tree_path_free(path);
527 //path = gtk_tree_path_new_from_indices(event_viewer_data->num_visible_events-1, -1);
528 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
529 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
533 /* Move one line up */
538 event_viewer_data
->currently_selected_event
-= 1;
539 // gtk_adjustment_set_value(event_viewer_data->vadjust_c, value-1);
540 //gtk_tree_path_free(path);
541 //path = gtk_tree_path_new_from_indices(0, -1);
542 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
543 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
551 if(arg1
== GTK_MOVEMENT_PAGES
)
556 if(event_viewer_data
->num_visible_events
== 1)
558 /* move one page down */
559 if(value
+ event_viewer_data
->num_visible_events
-1 <=
560 event_viewer_data
->number_of_events
)
562 event_viewer_data
->currently_selected_event
+= event_viewer_data
->num_visible_events
-1;
563 // gtk_adjustment_set_value(event_viewer_data->vadjust_c,
564 // value+(event_viewer_data->num_visible_events-1));
565 //gtk_tree_path_free(path);
566 //path = gtk_tree_path_new_from_indices(0, -1);
567 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
568 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
571 /* Move one page up */
572 if(event_viewer_data
->num_visible_events
== 1)
575 if(indices
[0] < event_viewer_data
->num_visible_events
- 2 )
577 if(value
- (event_viewer_data
->num_visible_events
-1) >= 0)
579 event_viewer_data
->currently_selected_event
-= event_viewer_data
->num_visible_events
-1;
581 // gtk_adjustment_set_value(event_viewer_data->vadjust_c,
582 // value-(event_viewer_data->num_visible_events-1));
583 //gtk_tree_path_free(path);
584 //path = gtk_tree_path_new_from_indices(0, -1);
585 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
586 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
589 /* Go to first Event */
590 event_viewer_data
->currently_selected_event
== 0 ;
591 // gtk_adjustment_set_value(event_viewer_data->vadjust_c,
593 //gtk_tree_path_free(path);
594 //path = gtk_tree_path_new_from_indices(0, -1);
595 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
596 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
605 if(arg1
== GTK_MOVEMENT_BUFFER_ENDS
)
607 /* Move to the ends of the buffer */
610 /* move end of buffer */
611 event_viewer_data
->currently_selected_event
= event_viewer_data
->number_of_events
-1 ;
612 // gtk_adjustment_set_value(event_viewer_data->vadjust_c,
613 // event_viewer_data->number_of_events -
614 // event_viewer_data->num_visible_events);
615 //gtk_tree_path_free(path);
616 //path = gtk_tree_path_new_from_indices(event_viewer_data->num_visible_events-1, -1);
617 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
618 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
620 /* Move beginning of buffer */
621 event_viewer_data
->currently_selected_event
= 0 ;
622 // gtk_adjustment_set_value(event_viewer_data->vadjust_c, 0);
623 //gtk_tree_path_free(path);
624 //path = gtk_tree_path_new_from_indices(0, -1);
625 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
626 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
632 gtk_tree_path_free(path
);
635 void tree_v_cursor_changed_cb (GtkWidget
*widget
, gpointer data
)
637 EventViewerData
*event_viewer_data
= (EventViewerData
*) data
;
641 GtkTreeModel
* model
= GTK_TREE_MODEL(event_viewer_data
->store_m
);
644 /* On cursor change, modify the currently selected event by calling
645 * the right API function */
646 tree_v_get_cursor(event_viewer_data
);
648 gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
), &path
, NULL
);
649 if(gtk_tree_model_get_iter(model
,&iter
,path
)){
650 gtk_tree_model_get(model
, &iter
, TIME_COLUMN
, &time
, -1);
651 ltt_time
.tv_sec
= time
/ NANOSECONDS_PER_SECOND
;
652 ltt_time
.tv_nsec
= time
% NANOSECONDS_PER_SECOND
;
654 if(ltt_time
.tv_sec
!= event_viewer_data
->current_time
.tv_sec
||
655 ltt_time
.tv_nsec
!= event_viewer_data
->current_time
.tv_nsec
){
656 event_viewer_data
->current_time_updated
= TRUE
;
657 set_current_time(event_viewer_data
->mw
,<t_time
);
660 g_warning("Can not get iter\n");
666 void v_scroll_cb (GtkAdjustment
*adjustment
, gpointer data
)
668 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
669 GtkTreePath
*tree_path
;
671 get_test_data(adjustment
->value
, event_viewer_data
->num_visible_events
,
675 if(event_viewer_data
->currently_selected_event
676 >= event_viewer_data
->first_event
678 event_viewer_data
->currently_selected_event
679 <= event_viewer_data
->last_event
681 event_viewer_data
->selected_event
)
684 tree_path
= gtk_tree_path_new_from_indices(
685 event_viewer_data
->currently_selected_event
-
686 event_viewer_data
->first_event
,
689 // gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), tree_path,
691 gtk_tree_path_free(tree_path
);
697 gint
get_cell_height(GtkTreeView
*TreeView
)
700 GtkTreeViewColumn
*column
= gtk_tree_view_get_column(TreeView
, 0);
701 GList
*Render_List
= gtk_tree_view_column_get_cell_renderers(column
);
702 GtkCellRenderer
*renderer
= g_list_first(Render_List
)->data
;
704 gtk_tree_view_column_cell_get_size(column
, NULL
, NULL
, NULL
, NULL
, &height
);
709 void tree_v_size_allocate_cb (GtkWidget
*widget
, GtkAllocation
*alloc
, gpointer data
)
711 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
712 gint cell_height
= get_cell_height(GTK_TREE_VIEW(event_viewer_data
->tree_v
));
713 gint last_num_visible_events
= event_viewer_data
->num_visible_events
;
714 gdouble exact_num_visible
;
716 exact_num_visible
= ( alloc
->height
-
717 TREE_VIEW_HEADER_HEIGHT (GTK_TREE_VIEW(event_viewer_data
->tree_v
)) )
718 / (double)cell_height
;
720 event_viewer_data
->num_visible_events
= ceil(exact_num_visible
) ;
723 event_viewer_data->vadjust_c->page_increment =
724 floor(exact_num_visible);
725 event_viewer_data->vadjust_c->page_size =
726 floor(exact_num_visible);
729 if(event_viewer_data
->num_visible_events
!= last_num_visible_events
)
731 get_test_data(event_viewer_data
->vadjust_c
->value
,
732 event_viewer_data
->num_visible_events
,
739 void tree_v_size_request_cb (GtkWidget
*widget
, GtkRequisition
*requisition
, gpointer data
)
742 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
743 gint cell_height
= get_cell_height(GTK_TREE_VIEW(event_viewer_data
->tree_v
));
745 h
= cell_height
+ TREE_VIEW_HEADER_HEIGHT
746 (GTK_TREE_VIEW(event_viewer_data
->tree_v
));
747 requisition
->height
= h
;
751 gboolean
show_event_detail(void * hook_data
, void * call_data
)
753 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
754 LttvTracesetContext
* tsc
= get_traceset_context(event_viewer_data
->mw
);
756 if(event_viewer_data
->raw_trace_data_queue_tmp
->length
== 0 &&
757 event_viewer_data
->raw_trace_data_queue
->length
== 0){
758 event_viewer_data
->shown
= FALSE
;
762 if(event_viewer_data
->shown
== FALSE
){
763 event_viewer_data
->shown
= TRUE
;
764 update_raw_data_array(event_viewer_data
,
765 event_viewer_data
->raw_trace_data_queue_tmp
->length
);
767 get_test_data(event_viewer_data
->vadjust_c
->value
,
768 event_viewer_data
->num_visible_events
,
771 remove_context_hooks(event_viewer_data
,tsc
);
777 void insert_data_into_model(EventViewerData
*event_viewer_data
, int start
, int end
)
781 RawTraceData
* raw_data
;
785 first
= event_viewer_data
->raw_trace_data_queue
->head
;
786 for(i
=start
; i
<end
; i
++){
787 if(i
>=event_viewer_data
->number_of_events
) break;
788 raw_data
= (RawTraceData
*)g_list_nth_data(first
, i
);
790 // Add a new row to the model
791 real_data
= raw_data
->time
.tv_sec
;
792 real_data
*= NANOSECONDS_PER_SECOND
;
793 real_data
+= raw_data
->time
.tv_nsec
;
794 gtk_list_store_append (event_viewer_data
->store_m
, &iter
);
795 gtk_list_store_set (event_viewer_data
->store_m
, &iter
,
796 CPUID_COLUMN
, raw_data
->cpu_id
,
797 EVENT_COLUMN
, raw_data
->event_name
,
798 TIME_COLUMN
, real_data
,
799 PID_COLUMN
, raw_data
->pid
,
800 ENTRY_LEN_COLUMN
, raw_data
->entry_length
,
801 EVENT_DESCR_COLUMN
, raw_data
->event_description
,
806 void get_test_data(double time_value
, guint list_height
,
807 EventViewerData
*event_viewer_data
)
811 GtkTreeModel
*model
= GTK_TREE_MODEL(event_viewer_data
->store_m
);
812 GtkTreePath
*tree_path
;
813 RawTraceData
* raw_data
;
814 ScrollDirection direction
= SCROLL_NONE
;
817 double value
= event_viewer_data
->previous_value
- time_value
;
818 LttTime start
, end
, time
;
820 unsigned backward_num
, minNum
, maxNum
;
822 unsigned block_num
, event_num
;
823 unsigned size
= 1, count
= 0;
824 gboolean need_backward_again
, backward
;
827 GtkWidget
* widget
= gtk_widget_get_parent(event_viewer_data
->hbox_v
);
830 new = gdk_cursor_new(GDK_X_CURSOR
);
831 win
= gtk_widget_get_parent_window(widget
);
832 gdk_window_set_cursor(win
, new);
833 gdk_cursor_unref(new);
834 gdk_window_stick(win
);
835 gdk_window_unstick(win
);
839 // if(event_number > event_viewer_data->last_event ||
840 // event_number + list_height-1 < event_viewer_data->first_event ||
841 // event_viewer_data->first_event == -1)
843 /* no event can be reused, clear and start from nothing */
844 if(value
== -1.0) direction
= SCROLL_STEP_DOWN
;
845 else if(value
== 1.0 ) direction
= SCROLL_STEP_UP
;
846 else if(value
== -2.0) direction
= SCROLL_PAGE_DOWN
;
847 else if(value
== 2.0 ) direction
= SCROLL_PAGE_UP
;
848 else if(value
== 0.0 ) direction
= SCROLL_NONE
;
849 else direction
= SCROLL_JUMP
;
854 if(direction
== SCROLL_PAGE_UP
){
855 backward
= list_height
>event_viewer_data
->start_event_index
? TRUE
: FALSE
;
857 backward
= event_viewer_data
->start_event_index
== 0 ? TRUE
: FALSE
;
860 event_viewer_data
->append
= FALSE
;
862 if(direction
== SCROLL_PAGE_UP
){
863 minNum
= list_height
- event_viewer_data
->start_event_index
;
868 first
= event_viewer_data
->raw_trace_data_queue
->head
;
870 raw_data
= (RawTraceData
*)g_list_nth_data(first
,0);
871 end
= raw_data
->time
;
873 ltt_event_position_get(raw_data
->ep
, &block_num
, &event_num
, &tf
);
875 if(event_num
> minNum
){
876 backward_num
= event_num
> RESERVE_SMALL_SIZE
877 ? event_num
- RESERVE_SMALL_SIZE
: 1;
878 ltt_event_position_set(raw_data
->ep
, block_num
, backward_num
);
879 ltt_tracefile_seek_position(tf
, raw_data
->ep
);
880 ev
= ltt_tracefile_read(tf
);
881 start
= ltt_event_time(ev
);
882 maxNum
= RESERVE_SMALL_SIZE_CUBE
;
885 ltt_event_position_set(raw_data
->ep
, block_num
-1, 1);
886 ltt_tracefile_seek_position(tf
, raw_data
->ep
);
887 ev
= ltt_tracefile_read(tf
);
888 start
= ltt_event_time(ev
);
893 maxNum
= RESERVE_SMALL_SIZE_CUBE
;
896 if(block_num
> count
){
897 ltt_event_position_set(raw_data
->ep
, block_num
-count
, 1);
898 ltt_tracefile_seek_position(tf
, raw_data
->ep
);
899 ev
= ltt_tracefile_read(tf
);
900 start
= ltt_event_time(ev
);
905 maxNum
= RESERVE_SMALL_SIZE_CUBE
;
908 event_viewer_data
->current_event_index
= event_viewer_data
->start_event_index
;
909 get_events(event_viewer_data
, start
, end
, maxNum
, &size
);
910 event_viewer_data
->start_event_index
= event_viewer_data
->current_event_index
;
912 if(size
< minNum
&& (start
.tv_sec
!=0 || start
.tv_nsec
!=0))
913 need_backward_again
= TRUE
;
914 else need_backward_again
= FALSE
;
920 }while(need_backward_again
);
922 if(direction
== SCROLL_STEP_UP
)
923 event_number
= event_viewer_data
->start_event_index
- 1;
925 event_number
= event_viewer_data
->start_event_index
- list_height
;
927 case SCROLL_STEP_DOWN
:
928 if(event_viewer_data
->end_event_index
== event_viewer_data
->number_of_events
- 1){
929 event_viewer_data
->append
= TRUE
;
930 first
= event_viewer_data
->raw_trace_data_queue
->head
;
932 raw_data
= (RawTraceData
*)g_list_nth_data(first
,event_viewer_data
->number_of_events
- 1);
933 start
= raw_data
->time
;
935 end
.tv_sec
= G_MAXULONG
;
936 end
.tv_nsec
= G_MAXULONG
;
937 get_events(event_viewer_data
, start
, end
, RESERVE_SMALL_SIZE
, &size
);
939 get_events(event_viewer_data
, start
, end
, RESERVE_SMALL_SIZE_SQUARE
,&size
);
941 get_events(event_viewer_data
, start
, end
, RESERVE_SMALL_SIZE_CUBE
,&size
);
943 if(size
==0) event_number
= event_viewer_data
->start_event_index
;
944 else event_number
= event_viewer_data
->number_of_events
- size
- list_height
+ 1;
945 }else event_number
= event_viewer_data
->start_event_index
+ 1;
947 case SCROLL_PAGE_DOWN
:
948 i
= event_viewer_data
->number_of_events
- 1 - list_height
;
949 if((gint
)(event_viewer_data
->end_event_index
) >= i
){
950 int remain_events
= event_viewer_data
->number_of_events
- 1
951 - event_viewer_data
->end_event_index
;
952 event_viewer_data
->append
= TRUE
;
953 first
= event_viewer_data
->raw_trace_data_queue
->head
;
955 raw_data
= (RawTraceData
*)g_list_nth_data(first
,event_viewer_data
->number_of_events
- 1);
956 start
= raw_data
->time
;
958 end
.tv_sec
= G_MAXULONG
;
959 end
.tv_nsec
= G_MAXULONG
;
960 get_events(event_viewer_data
, start
, end
, RESERVE_SMALL_SIZE
,&size
);
962 get_events(event_viewer_data
, start
, end
, RESERVE_SMALL_SIZE_SQUARE
,&size
);
964 get_events(event_viewer_data
, start
, end
, RESERVE_SMALL_SIZE_CUBE
,&size
);
966 remain_events
+= size
;
967 if(list_height
<= remain_events
)
968 event_number
= event_viewer_data
->number_of_events
- remain_events
- 1;
970 event_number
= event_viewer_data
->number_of_events
- 1 - list_height
;
971 }else event_number
= event_viewer_data
->start_event_index
+ list_height
- 1;
974 event_viewer_data
->append
= TRUE
;
975 remove_all_items_from_queue(event_viewer_data
->raw_trace_data_queue
);
976 end
.tv_sec
= G_MAXULONG
;
977 end
.tv_nsec
= G_MAXULONG
;
978 time
= ltt_time_from_double(time_value
/ NANOSECONDS_PER_SECOND
);
979 start
= ltt_time_add(event_viewer_data
->time_span
.startTime
, time
);
980 event_viewer_data
->previous_value
= time_value
;
981 get_events(event_viewer_data
, start
, end
, RESERVE_SMALL_SIZE
,&size
);
982 if(size
< list_height
&& size
> 0){
983 event_viewer_data
->append
= FALSE
;
984 first
= event_viewer_data
->raw_trace_data_queue
->head
;
986 raw_data
= (RawTraceData
*)g_list_nth_data(first
,0);
987 end
= raw_data
->time
;
989 ltt_event_position_get(raw_data
->ep
, &block_num
, &event_num
, &tf
);
991 if(event_num
> list_height
- size
){
992 backward_num
= event_num
> RESERVE_SMALL_SIZE
993 ? event_num
- RESERVE_SMALL_SIZE
: 1;
994 ltt_event_position_set(raw_data
->ep
, block_num
, backward_num
);
995 ltt_tracefile_seek_position(tf
, raw_data
->ep
);
996 ev
= ltt_tracefile_read(tf
);
997 start
= ltt_event_time(ev
);
998 maxNum
= RESERVE_SMALL_SIZE_CUBE
;
999 event_viewer_data
->current_event_index
= 0;
1000 get_events(event_viewer_data
, start
, end
, maxNum
, &size
);
1001 event_viewer_data
->start_event_index
= event_viewer_data
->current_event_index
;
1003 event_number
= event_viewer_data
->raw_trace_data_queue
->length
- list_height
;
1004 }else if(size
== 0){
1005 get_events(event_viewer_data
, start
, end
, RESERVE_SMALL_SIZE_SQUARE
,&size
);
1007 get_events(event_viewer_data
, start
, end
, RESERVE_SMALL_SIZE_CUBE
,&size
);
1014 event_number
= event_viewer_data
->current_event_index
;
1020 if(event_number
< 0) event_number
= 0;
1022 //update the value of the scroll bar
1023 if(direction
!= SCROLL_NONE
&& direction
!= SCROLL_JUMP
){
1024 first
= event_viewer_data
->raw_trace_data_queue
->head
;
1026 raw_data
= (RawTraceData
*)g_list_nth_data(first
,event_number
);
1027 if(!raw_data
) raw_data
= (RawTraceData
*)g_list_nth_data(first
,0);
1028 time
= ltt_time_sub(raw_data
->time
, event_viewer_data
->time_span
.startTime
);
1029 event_viewer_data
->vadjust_c
->value
= ltt_time_to_double(time
) * NANOSECONDS_PER_SECOND
;
1030 g_signal_stop_emission_by_name(G_OBJECT(event_viewer_data
->vadjust_c
), "value-changed");
1031 event_viewer_data
->previous_value
= event_viewer_data
->vadjust_c
->value
;
1036 event_viewer_data
->start_event_index
= event_number
;
1037 event_viewer_data
->end_event_index
= event_number
+ list_height
- 1;
1038 if(event_viewer_data
->end_event_index
> event_viewer_data
->number_of_events
- 1){
1039 event_viewer_data
->end_event_index
= event_viewer_data
->number_of_events
- 1;
1042 first
= event_viewer_data
->raw_trace_data_queue
->head
;
1043 gtk_list_store_clear(event_viewer_data
->store_m
);
1045 // event_viewer_data->previous_value = 0;
1046 // event_viewer_data->vadjust_c->value = 0.0;
1047 // gtk_widget_hide(event_viewer_data->vscroll_vc);
1049 }else gtk_widget_show(event_viewer_data
->vscroll_vc
);
1051 insert_data_into_model(event_viewer_data
,event_number
, event_number
+list_height
);
1053 #ifdef DEBUG //do not use this, it's slower and broken
1055 /* Some events will be reused */
1056 if(event_number
< event_viewer_data
->first_event
)
1058 /* scrolling up, prepend events */
1059 tree_path
= gtk_tree_path_new_from_indices
1060 (event_number
+list_height
-1 -
1061 event_viewer_data
->first_event
+ 1,
1063 for(i
=0; i
<event_viewer_data
->last_event
-(event_number
+list_height
-1);
1066 /* Remove the last events from the list */
1067 if(gtk_tree_model_get_iter(model
, &iter
, tree_path
))
1068 gtk_list_store_remove(event_viewer_data
->store_m
, &iter
);
1071 for(i
=event_viewer_data
->first_event
-1; i
>=event_number
; i
--)
1073 if(i
>=event_viewer_data
->number_of_events
) break;
1074 /* Prepend new events */
1075 gtk_list_store_prepend (event_viewer_data
->store_m
, &iter
);
1076 gtk_list_store_set (event_viewer_data
->store_m
, &iter
,
1078 EVENT_COLUMN
, "event irq",
1081 ENTRY_LEN_COLUMN
, 17,
1082 EVENT_DESCR_COLUMN
, "Detailed information",
1086 /* Scrolling down, append events */
1087 for(i
=event_viewer_data
->first_event
; i
<event_number
; i
++)
1089 /* Remove these events from the list */
1090 gtk_tree_model_get_iter_first(model
, &iter
);
1091 gtk_list_store_remove(event_viewer_data
->store_m
, &iter
);
1093 for(i
=event_viewer_data
->last_event
+1; i
<event_number
+list_height
; i
++)
1095 if(i
>=event_viewer_data
->number_of_events
) break;
1096 /* Append new events */
1097 gtk_list_store_append (event_viewer_data
->store_m
, &iter
);
1098 gtk_list_store_set (event_viewer_data
->store_m
, &iter
,
1100 EVENT_COLUMN
, "event irq",
1103 ENTRY_LEN_COLUMN
, 17,
1104 EVENT_DESCR_COLUMN
, "Detailed information",
1111 event_viewer_data
->first_event
= event_viewer_data
->start_event_index
;
1112 event_viewer_data
->last_event
= event_viewer_data
->end_event_index
;
1116 gdk_window_set_cursor(win
, NULL
);
1121 void add_test_data(EventViewerData
*event_viewer_data
)
1128 /* Add a new row to the model */
1129 gtk_list_store_append (event_viewer_data
->store_m
, &iter
);
1130 gtk_list_store_set (event_viewer_data
->store_m
, &iter
,
1132 EVENT_COLUMN
, "event irq",
1135 ENTRY_LEN_COLUMN
, 17,
1136 EVENT_DESCR_COLUMN
, "Detailed information",
1143 gui_events_free(EventViewerData
*event_viewer_data
)
1145 if(event_viewer_data
){
1146 lttv_hooks_remove(event_viewer_data
->before_event_hooks
,parse_event
);
1147 lttv_hooks_destroy(event_viewer_data
->before_event_hooks
);
1149 remove_all_items_from_queue (event_viewer_data
->raw_trace_data_queue
);
1150 g_queue_free(event_viewer_data
->raw_trace_data_queue
);
1151 g_queue_free(event_viewer_data
->raw_trace_data_queue_tmp
);
1153 unreg_update_time_window(update_time_window
,event_viewer_data
, event_viewer_data
->mw
);
1154 unreg_update_current_time(update_current_time
,event_viewer_data
, event_viewer_data
->mw
);
1155 unreg_show_viewer(show_event_detail
,event_viewer_data
, event_viewer_data
->mw
);
1156 unreg_update_traceset(traceset_changed
,event_viewer_data
, event_viewer_data
->mw
);
1158 g_free(event_viewer_data
->filter_key
);
1159 g_event_viewer_data_list
= g_slist_remove(g_event_viewer_data_list
, event_viewer_data
);
1160 g_free(event_viewer_data
);
1165 gui_events_destructor(EventViewerData
*event_viewer_data
)
1169 /* May already been done by GTK window closing */
1170 if(GTK_IS_WIDGET(event_viewer_data
->hbox_v
)){
1171 gui_events_free(event_viewer_data
);
1172 gtk_widget_destroy(event_viewer_data
->hbox_v
);
1173 event_viewer_data
= NULL
;
1176 /* Destroy the Tree View */
1177 //gtk_widget_destroy(event_viewer_data->tree_v);
1179 /* Clear raw event list */
1180 //gtk_list_store_clear(event_viewer_data->store_m);
1181 //gtk_widget_destroy(GTK_WIDGET(event_viewer_data->store_m));
1183 //gui_events_free(event_viewer_data);
1186 //FIXME : call hGuiEvents_Destructor for corresponding data upon widget destroy
1189 tree_selection_changed_cb (GtkTreeSelection
*selection
, gpointer data
)
1191 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
1193 GtkTreeModel
*model
= GTK_TREE_MODEL(event_viewer_data
->store_m
);
1196 if (gtk_tree_selection_get_selected (selection
, &model
, &iter
))
1198 gtk_tree_model_get (model
, &iter
, EVENT_COLUMN
, &event
, -1);
1205 int event_selected_hook(void *hook_data
, void *call_data
)
1207 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
1208 guint
*event_number
= (guint
*) call_data
;
1210 event_viewer_data
->currently_selected_event
= *event_number
;
1211 event_viewer_data
->selected_event
= TRUE
;
1213 tree_v_set_cursor(event_viewer_data
);
1217 /* If every module uses the filter, maybe these two
1218 * (add/remove_context_hooks functions) should be put in common place
1220 void add_context_hooks(EventViewerData
* event_viewer_data
,
1221 LttvTracesetContext
* tsc
)
1223 gint i
, j
, k
, m
,n
, nbi
, id
;
1224 gint nb_tracefile
, nb_facility
, nb_event
;
1226 LttvTraceContext
*tc
;
1227 LttvTracefileContext
*tfc
;
1228 LttvTracesetSelector
* ts_s
;
1229 LttvTraceSelector
* t_s
;
1230 LttvTracefileSelector
* tf_s
;
1234 LttvEventtypeSelector
* eventtype
;
1236 ts_s
= (LttvTracesetSelector
*)g_object_get_data(G_OBJECT(event_viewer_data
->hbox_v
),
1237 event_viewer_data
->filter_key
);
1239 //if there are hooks for traceset, add them here
1241 nbi
= lttv_traceset_number(tsc
->ts
);
1242 for(i
= 0 ; i
< nbi
; i
++) {
1243 t_s
= lttv_traceset_selector_trace_get(ts_s
,i
);
1244 selected
= lttv_trace_selector_get_selected(t_s
);
1245 if(!selected
) continue;
1246 tc
= tsc
->traces
[i
];
1248 //if there are hooks for trace, add them here
1250 nb_tracefile
= ltt_trace_control_tracefile_number(trace
) +
1251 ltt_trace_per_cpu_tracefile_number(trace
);
1253 for(j
= 0 ; j
< nb_tracefile
; j
++) {
1254 tf_s
= lttv_trace_selector_tracefile_get(t_s
,j
);
1255 selected
= lttv_tracefile_selector_get_selected(tf_s
);
1256 if(!selected
) continue;
1257 tfc
= tc
->tracefiles
[j
];
1259 //if there are hooks for tracefile, add them here
1260 // lttv_tracefile_context_add_hooks(tfc, NULL,NULL,NULL,NULL,
1261 // event_viewer_data->before_event_hooks,NULL);
1263 nb_facility
= ltt_trace_facility_number(trace
);
1265 for(k
=0;k
<nb_facility
;k
++){
1266 fac
= ltt_trace_facility_get(trace
,k
);
1267 nb_event
= (int) ltt_facility_eventtype_number(fac
);
1268 for(m
=0;m
<nb_event
;m
++){
1269 et
= ltt_facility_eventtype_get(fac
,m
);
1270 eventtype
= lttv_tracefile_selector_eventtype_get(tf_s
, n
);
1271 selected
= lttv_eventtype_selector_get_selected(eventtype
);
1273 id
= (gint
) ltt_eventtype_id(et
);
1274 lttv_tracefile_context_add_hooks_by_id(tfc
,id
,
1275 event_viewer_data
->before_event_hooks
,
1285 //add hooks for process_traceset
1286 // context_add_hooks_api(event_viewer_data->mw, NULL, NULL, NULL, NULL, NULL, NULL,
1287 // NULL, NULL, NULL,event_viewer_data->before_event_hooks,NULL);
1291 void remove_context_hooks(EventViewerData
* event_viewer_data
,
1292 LttvTracesetContext
* tsc
)
1294 gint i
, j
, k
, m
, nbi
, n
, id
;
1295 gint nb_tracefile
, nb_facility
, nb_event
;
1297 LttvTraceContext
*tc
;
1298 LttvTracefileContext
*tfc
;
1299 LttvTracesetSelector
* ts_s
;
1300 LttvTraceSelector
* t_s
;
1301 LttvTracefileSelector
* tf_s
;
1305 LttvEventtypeSelector
* eventtype
;
1307 ts_s
= (LttvTracesetSelector
*)g_object_get_data(G_OBJECT(event_viewer_data
->hbox_v
),
1308 event_viewer_data
->filter_key
);
1310 //if there are hooks for traceset, remove them here
1312 nbi
= lttv_traceset_number(tsc
->ts
);
1313 for(i
= 0 ; i
< nbi
; i
++) {
1314 t_s
= lttv_traceset_selector_trace_get(ts_s
,i
);
1315 selected
= lttv_trace_selector_get_selected(t_s
);
1316 if(!selected
) continue;
1317 tc
= tsc
->traces
[i
];
1319 //if there are hooks for trace, remove them here
1321 nb_tracefile
= ltt_trace_control_tracefile_number(trace
) +
1322 ltt_trace_per_cpu_tracefile_number(trace
);
1324 for(j
= 0 ; j
< nb_tracefile
; j
++) {
1325 tf_s
= lttv_trace_selector_tracefile_get(t_s
,j
);
1326 selected
= lttv_tracefile_selector_get_selected(tf_s
);
1327 if(!selected
) continue;
1328 tfc
= tc
->tracefiles
[j
];
1330 //if there are hooks for tracefile, remove them here
1331 // lttv_tracefile_context_remove_hooks(tfc, NULL,NULL,NULL,NULL,
1332 // event_viewer_data->before_event_hooks,NULL);
1334 nb_facility
= ltt_trace_facility_number(trace
);
1336 for(k
=0;k
<nb_facility
;k
++){
1337 fac
= ltt_trace_facility_get(trace
,k
);
1338 nb_event
= (int) ltt_facility_eventtype_number(fac
);
1339 for(m
=0;m
<nb_event
;m
++){
1340 et
= ltt_facility_eventtype_get(fac
,m
);
1341 eventtype
= lttv_tracefile_selector_eventtype_get(tf_s
, n
);
1342 selected
= lttv_eventtype_selector_get_selected(eventtype
);
1344 id
= (gint
) ltt_eventtype_id(et
);
1345 lttv_tracefile_context_remove_hooks_by_id(tfc
,id
);
1352 //remove hooks from context
1353 // context_remove_hooks_api(event_viewer_data->mw, NULL, NULL, NULL, NULL, NULL, NULL,
1354 // NULL, NULL, NULL,event_viewer_data->before_event_hooks,NULL);
1358 gboolean
update_time_window(void * hook_data
, void * call_data
)
1360 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
1361 LttvTracesetContext
* tsc
= get_traceset_context(event_viewer_data
->mw
);
1363 if(event_viewer_data
->shown
== FALSE
){
1364 event_viewer_data
->time_window
= *(TimeWindow
*)call_data
;
1366 add_context_hooks(event_viewer_data
, tsc
);
1372 gboolean
update_current_time(void * hook_data
, void * call_data
)
1374 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
1375 event_viewer_data
->current_time
= *(LttTime
*)call_data
;
1376 guint64 nsec
= event_viewer_data
->current_time
.tv_sec
* NANOSECONDS_PER_SECOND
1377 + event_viewer_data
->current_time
.tv_nsec
;
1381 GtkTreeModel
* model
= (GtkTreeModel
*)event_viewer_data
->store_m
;
1383 RawTraceData
* data
, *data1
;
1389 if(!event_viewer_data
->raw_trace_data_queue
->head
) return FALSE
;
1391 if(event_viewer_data
->current_time_updated
){
1392 event_viewer_data
->current_time_updated
= FALSE
;
1396 //check if the event is shown in the current viewer
1397 if(gtk_tree_model_get_iter_first(model
, &iter
)){
1399 gtk_tree_model_get(model
, &iter
, TIME_COLUMN
, &time
, -1);
1401 if(!gtk_tree_model_iter_next(model
, &iter
)){
1410 // event_selected_hook(event_viewer_data, &count);
1413 //the event is not shown in the current viewer
1416 //check if the event is in the buffer
1417 list
= event_viewer_data
->raw_trace_data_queue
->head
;
1418 data
= (RawTraceData
*)g_list_nth_data(list
,0);
1419 data1
= (RawTraceData
*)g_list_nth_data(list
,event_viewer_data
->raw_trace_data_queue
->length
-1);
1421 //the event is in the buffer
1422 if(ltt_time_compare(data
->time
, event_viewer_data
->current_time
)<=0 &&
1423 ltt_time_compare(data1
->time
, event_viewer_data
->current_time
)>=0){
1424 for(i
=0;i
<event_viewer_data
->raw_trace_data_queue
->length
;i
++){
1425 data
= (RawTraceData
*)g_list_nth_data(list
,i
);
1426 if(ltt_time_compare(data
->time
, event_viewer_data
->current_time
) < 0){
1432 if(event_viewer_data
->raw_trace_data_queue
->length
-count
< event_viewer_data
->num_visible_events
){
1433 j
= event_viewer_data
->raw_trace_data_queue
->length
- event_viewer_data
->num_visible_events
;
1435 data
= (RawTraceData
*)g_list_nth_data(list
,j
);
1440 t
= ltt_time_sub(data
->time
, event_viewer_data
->time_span
.startTime
);
1441 event_viewer_data
->vadjust_c
->value
= ltt_time_to_double(t
) * NANOSECONDS_PER_SECOND
;
1442 g_signal_stop_emission_by_name(G_OBJECT(event_viewer_data
->vadjust_c
), "value-changed");
1443 event_viewer_data
->previous_value
= event_viewer_data
->vadjust_c
->value
;
1444 insert_data_into_model(event_viewer_data
,j
, j
+event_viewer_data
->num_visible_events
);
1445 }else{//the event is not in the buffer
1446 LttTime start
= ltt_time_sub(event_viewer_data
->current_time
, event_viewer_data
->time_span
.startTime
);
1447 double position
= ltt_time_to_double(start
) * NANOSECONDS_PER_SECOND
;
1448 gtk_adjustment_set_value(event_viewer_data
->vadjust_c
, position
);
1452 sprintf(str_path
,"%d\0",count
);
1453 path
= gtk_tree_path_new_from_string (str_path
);
1454 gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
), path
, NULL
, FALSE
);
1455 g_signal_stop_emission_by_name(G_OBJECT(event_viewer_data
->tree_v
), "cursor-changed");
1456 gtk_tree_path_free(path
);
1461 gboolean
traceset_changed(void * hook_data
, void * call_data
)
1463 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
1466 remove_all_items_from_queue(event_viewer_data
->raw_trace_data_queue
);
1467 gtk_list_store_clear(event_viewer_data
->store_m
);
1468 event_viewer_data
->shown
= FALSE
;
1469 event_viewer_data
->append
= TRUE
;
1471 get_traceset_time_span(event_viewer_data
->mw
, &event_viewer_data
->time_span
);
1472 start
= ltt_time_sub(event_viewer_data
->time_span
.endTime
, event_viewer_data
->time_span
.startTime
);
1473 event_viewer_data
->vadjust_c
->upper
= ltt_time_to_double(start
) * NANOSECONDS_PER_SECOND
;
1474 // event_viewer_data->vadjust_c->value = 0;
1480 void tree_v_grab_focus(GtkWidget
*widget
, gpointer data
){
1481 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
1482 MainWindow
* mw
= event_viewer_data
->mw
;
1483 set_focused_pane(mw
, gtk_widget_get_parent(event_viewer_data
->hbox_v
));
1486 void update_raw_data_array(EventViewerData
* event_viewer_data
, unsigned size
)
1488 RawTraceData
* data
;
1490 int pid
, tmpPid
, i
,j
,len
;
1491 GList
* list
, *tmpList
;
1492 GArray
* pid_array
, * tmp_pid_array
;
1494 pid_array
= g_array_sized_new(FALSE
, TRUE
, sizeof(int), 10);
1495 tmp_pid_array
= g_array_sized_new(FALSE
, TRUE
, sizeof(int), 10);
1497 //if the queue is full, remove some data, keep the size of the queue constant
1498 while(event_viewer_data
->raw_trace_data_queue
->length
+ size
> RESERVE_BIG_SIZE
){
1499 remove_item_from_queue(event_viewer_data
->raw_trace_data_queue
,
1500 event_viewer_data
->append
);
1503 //update pid if it is not known
1504 if(event_viewer_data
->raw_trace_data_queue
->length
> 0){
1505 list
= event_viewer_data
->raw_trace_data_queue
->head
;
1506 tmpList
= event_viewer_data
->raw_trace_data_queue_tmp
->head
;
1507 if(event_viewer_data
->append
){
1508 for(i
= event_viewer_data
->raw_trace_data_queue
->length
-1;i
>=0;i
--){
1509 data
= (RawTraceData
*)g_list_nth_data(list
,i
);
1510 len
= data
->pid
==0 ? -2 : data
->pid
;
1511 if(data
->cpu_id
+1 > pid_array
->len
){
1512 pid_array
= g_array_set_size(pid_array
,data
->cpu_id
+1);
1513 pid_array
= g_array_insert_val(pid_array
,data
->cpu_id
,len
);
1514 pid_array
= g_array_remove_index(pid_array
,data
->cpu_id
+1);
1515 }else if(data
->cpu_id
+1 < pid_array
->len
){
1516 pid
= g_array_index(pid_array
,int,data
->cpu_id
);
1518 pid_array
= g_array_insert_val(pid_array
,data
->cpu_id
,len
);
1519 pid_array
= g_array_remove_index(pid_array
,data
->cpu_id
+1);
1524 for(i
=0;i
<event_viewer_data
->raw_trace_data_queue_tmp
->length
;i
++){
1525 data
= (RawTraceData
*)g_list_nth_data(tmpList
,i
);
1526 len
= data
->pid
==0 ? -2 : data
->pid
;
1527 if(data
->cpu_id
+1 > tmp_pid_array
->len
){
1528 tmp_pid_array
= g_array_set_size(tmp_pid_array
,data
->cpu_id
+1);
1529 tmp_pid_array
= g_array_insert_val(tmp_pid_array
,data
->cpu_id
,len
);
1530 tmp_pid_array
= g_array_remove_index(tmp_pid_array
,data
->cpu_id
+1);
1531 }else if(data
->cpu_id
+1 < tmp_pid_array
->len
){
1532 pid
= g_array_index(tmp_pid_array
,int,data
->cpu_id
);
1534 tmp_pid_array
= g_array_insert_val(tmp_pid_array
,data
->cpu_id
,len
);
1535 tmp_pid_array
= g_array_remove_index(tmp_pid_array
,data
->cpu_id
+1);
1540 for(i
=0;i
<event_viewer_data
->raw_trace_data_queue
->length
;i
++){
1541 data
= (RawTraceData
*)g_list_nth_data(list
,i
);
1542 len
= data
->pid
==0 ? -2 : data
->pid
;
1543 if(data
->cpu_id
+1 > pid_array
->len
){
1544 pid_array
= g_array_set_size(pid_array
,data
->cpu_id
+1);
1545 pid_array
= g_array_insert_val(pid_array
,data
->cpu_id
,len
);
1546 pid_array
= g_array_remove_index(pid_array
,data
->cpu_id
+1);
1547 }else if(data
->cpu_id
+1 < pid_array
->len
){
1548 pid
= g_array_index(pid_array
,int,data
->cpu_id
);
1550 pid_array
= g_array_insert_val(pid_array
,data
->cpu_id
,len
);
1551 pid_array
= g_array_remove_index(pid_array
,data
->cpu_id
+1);
1556 for(i
=event_viewer_data
->raw_trace_data_queue_tmp
->length
-1;i
>=0;i
--){
1557 data
= (RawTraceData
*)g_list_nth_data(tmpList
,i
);
1558 len
= data
->pid
==0 ? -2 : data
->pid
;
1559 if(data
->cpu_id
+1 > tmp_pid_array
->len
){
1560 tmp_pid_array
= g_array_set_size(tmp_pid_array
,data
->cpu_id
+1);
1561 tmp_pid_array
= g_array_insert_val(tmp_pid_array
,data
->cpu_id
,len
);
1562 tmp_pid_array
= g_array_remove_index(tmp_pid_array
,data
->cpu_id
+1);
1563 }else if(data
->cpu_id
+1 < tmp_pid_array
->len
){
1564 pid
= g_array_index(tmp_pid_array
,int,data
->cpu_id
);
1566 tmp_pid_array
= g_array_insert_val(tmp_pid_array
,data
->cpu_id
,len
);
1567 tmp_pid_array
= g_array_remove_index(tmp_pid_array
,data
->cpu_id
+1);
1573 len
= pid_array
->len
> tmp_pid_array
->len
? tmp_pid_array
->len
: pid_array
->len
;
1575 pid
= g_array_index(pid_array
,int, j
);
1576 tmpPid
= g_array_index(tmp_pid_array
,int,j
);
1577 if(pid
== -2)pid
= 0;
1578 if(tmpPid
== -2) tmpPid
= 0;
1580 if(pid
== -1 && tmpPid
!= -1){
1581 for(i
=0;i
<event_viewer_data
->raw_trace_data_queue
->length
;i
++){
1582 data
= (RawTraceData
*)g_list_nth_data(list
,i
);
1583 if(data
->pid
== -1 && data
->cpu_id
== j
) data
->pid
= tmpPid
;
1585 }else if(pid
!= -1 && tmpPid
== -1){
1586 for(i
=0;i
<event_viewer_data
->raw_trace_data_queue_tmp
->length
;i
++){
1587 data
= (RawTraceData
*)g_list_nth_data(tmpList
,i
);
1588 if(data
->pid
== -1 && data
->cpu_id
== j
) data
->pid
= pid
;
1594 g_array_free(pid_array
,TRUE
);
1595 g_array_free(tmp_pid_array
, TRUE
);
1597 //add data from tmp queue into the queue
1598 event_viewer_data
->number_of_events
= event_viewer_data
->raw_trace_data_queue
->length
1599 + event_viewer_data
->raw_trace_data_queue_tmp
->length
;
1600 if(event_viewer_data
->append
){
1601 if(event_viewer_data
->raw_trace_data_queue
->length
> 0)
1602 event_viewer_data
->current_event_index
= event_viewer_data
->raw_trace_data_queue
->length
- 1;
1603 else event_viewer_data
->current_event_index
= 0;
1604 while((data
= g_queue_pop_head(event_viewer_data
->raw_trace_data_queue_tmp
)) != NULL
){
1605 g_queue_push_tail(event_viewer_data
->raw_trace_data_queue
, data
);
1608 event_viewer_data
->current_event_index
+= event_viewer_data
->raw_trace_data_queue_tmp
->length
;
1609 while((data
= g_queue_pop_tail(event_viewer_data
->raw_trace_data_queue_tmp
)) != NULL
){
1610 g_queue_push_head(event_viewer_data
->raw_trace_data_queue
, data
);
1616 void get_events(EventViewerData
* event_viewer_data
, LttTime start
,
1617 LttTime end
,unsigned max_num_events
, unsigned * real_num_events
)
1620 LttvTracesetContext
* tsc
= get_traceset_context(event_viewer_data
->mw
);
1622 // context_add_hooks_api(event_viewer_data->mw, NULL, NULL, NULL, NULL, NULL, NULL,
1623 // NULL, NULL, NULL,event_viewer_data->before_event_hooks,NULL);
1624 add_context_hooks(event_viewer_data
,tsc
);
1626 process_traceset_api(event_viewer_data
->mw
, start
, end
, max_num_events
);
1628 remove_context_hooks(event_viewer_data
,tsc
);
1629 // context_remove_hooks_api(event_viewer_data->mw, NULL, NULL, NULL, NULL, NULL, NULL,
1630 // NULL, NULL, NULL,event_viewer_data->before_event_hooks,NULL);
1632 size
= event_viewer_data
->raw_trace_data_queue_tmp
->length
;
1633 *real_num_events
= size
;
1635 update_raw_data_array(event_viewer_data
,size
);
1638 static void get_event_detail(LttEvent
*e
, LttField
*f
, GString
* s
)
1645 type
= ltt_field_type(f
);
1646 switch(ltt_type_class(type
)) {
1648 g_string_append_printf(s
, " %ld", ltt_event_get_long_int(e
,f
));
1652 g_string_append_printf(s
, " %lu", ltt_event_get_long_unsigned(e
,f
));
1656 g_string_append_printf(s
, " %g", ltt_event_get_double(e
,f
));
1660 g_string_append_printf(s
, " \"%s\"", ltt_event_get_string(e
,f
));
1664 g_string_append_printf(s
, " %s", ltt_enum_string_get(type
,
1665 ltt_event_get_unsigned(e
,f
)-1));
1670 g_string_append_printf(s
, " {");
1671 nb
= ltt_event_field_element_number(e
,f
);
1672 element
= ltt_field_element(f
);
1673 for(i
= 0 ; i
< nb
; i
++) {
1674 ltt_event_field_element_select(e
,f
,i
);
1675 get_event_detail(e
, element
, s
);
1677 g_string_append_printf(s
, " }");
1681 g_string_append_printf(s
, " {");
1682 nb
= ltt_type_member_number(type
);
1683 for(i
= 0 ; i
< nb
; i
++) {
1684 element
= ltt_field_member(f
,i
);
1685 ltt_type_member_type(type
, i
, &name
);
1686 g_string_append_printf(s
, " %s = ", name
);
1687 get_event_detail(e
, element
, s
);
1689 g_string_append_printf(s
, " }");
1695 static void get_pid(unsigned * in
, unsigned * out
, char * s
)
1698 str
= strstr(s
, "out =");
1701 sscanf(str
,"%d", out
);
1703 g_warning("Can not find out pid\n");
1706 str
= strstr(s
,"in =");
1709 sscanf(str
,"%d", in
);
1711 g_warning("Can not find in pid\n");
1715 gboolean
parse_event(void *hook_data
, void *call_data
)
1717 EventViewerData
*event_viewer_data
= (EventViewerData
*)hook_data
;
1718 LttvTracefileContext
*tfc
= (LttvTracefileContext
*)call_data
;
1719 LttvTracefileState
*tfs
= (LttvTracefileState
*)call_data
;
1721 RawTraceData
* tmp_raw_trace_data
,*prev_raw_trace_data
= NULL
, *data
=NULL
;
1725 unsigned in
=0, out
=0;
1727 GString
* detail_event
= g_string_new("");
1731 field
= ltt_event_field(e
);
1732 time
= ltt_event_time(e
);
1734 tmp_raw_trace_data
= g_new(RawTraceData
,1);
1735 tmp_raw_trace_data
->cpu_id
= ltt_event_cpu_id(e
);
1736 tmp_raw_trace_data
->event_name
= g_strdup(ltt_eventtype_name(ltt_event_eventtype(e
)));
1737 tmp_raw_trace_data
->time
= time
;
1738 tmp_raw_trace_data
->ep
= ltt_event_position_new();
1740 if(event_viewer_data
->raw_trace_data_queue_tmp
->length
){
1741 list
= event_viewer_data
->raw_trace_data_queue_tmp
->head
;
1742 for(i
=event_viewer_data
->raw_trace_data_queue_tmp
->length
-1;i
>=0;i
--){
1743 data
= (RawTraceData
*)g_list_nth_data(list
,i
);
1744 if(data
->cpu_id
== tmp_raw_trace_data
->cpu_id
){
1745 prev_raw_trace_data
= data
;
1751 if(prev_raw_trace_data
) tmp_raw_trace_data
->pid
= prev_raw_trace_data
->pid
;
1752 else tmp_raw_trace_data
->pid
= -1;
1754 tmp_raw_trace_data
->entry_length
= field
== NULL
? 0 : ltt_field_size(field
);
1755 if(field
) get_event_detail(e
, field
, detail_event
);
1756 tmp_raw_trace_data
->event_description
= g_strdup(detail_event
->str
);
1758 if(strcmp(tmp_raw_trace_data
->event_name
, "schedchange") == 0){
1759 get_pid(&in
, &out
, detail_event
->str
);
1763 if(in
!= 0 || out
!= 0){
1764 tmp_raw_trace_data
->pid
= in
;
1765 if(prev_raw_trace_data
&& prev_raw_trace_data
->pid
== -1){
1766 list
= event_viewer_data
->raw_trace_data_queue_tmp
->head
;
1767 for(i
=0;i
<event_viewer_data
->raw_trace_data_queue_tmp
->length
;i
++){
1768 data
= (RawTraceData
*)g_list_nth_data(list
,i
);
1769 if(data
->cpu_id
== tmp_raw_trace_data
->cpu_id
){
1776 ltt_event_position(e
, tmp_raw_trace_data
->ep
);
1778 if(event_viewer_data
->raw_trace_data_queue_tmp
->length
>= RESERVE_SMALL_SIZE
){
1779 if(event_viewer_data
->append
){
1780 list
= g_list_last(event_viewer_data
->raw_trace_data_queue_tmp
->head
);
1781 data
= (RawTraceData
*)(list
->data
);
1782 if(data
->time
.tv_sec
== time
.tv_sec
&&
1783 data
->time
.tv_nsec
== time
.tv_nsec
){
1784 g_queue_push_tail(event_viewer_data
->raw_trace_data_queue_tmp
,tmp_raw_trace_data
);
1786 g_free(tmp_raw_trace_data
);
1789 remove_item_from_queue(event_viewer_data
->raw_trace_data_queue_tmp
,TRUE
);
1790 g_queue_push_tail(event_viewer_data
->raw_trace_data_queue_tmp
,tmp_raw_trace_data
);
1793 g_queue_push_tail (event_viewer_data
->raw_trace_data_queue_tmp
,tmp_raw_trace_data
);
1796 g_string_free(detail_event
, TRUE
);
1801 void remove_item_from_queue(GQueue
* q
, gboolean fromHead
)
1803 RawTraceData
*data1
, *data2
= NULL
;
1807 data1
= (RawTraceData
*)g_queue_pop_head(q
);
1808 list
= g_list_first(q
->head
);
1810 data2
= (RawTraceData
*)(list
->data
);
1812 data1
= (RawTraceData
*)g_queue_pop_tail(q
);
1813 list
= g_list_last(q
->head
);
1815 data2
= (RawTraceData
*)(list
->data
);
1819 if(data1
->time
.tv_sec
== data2
->time
.tv_sec
&&
1820 data1
->time
.tv_nsec
== data2
->time
.tv_nsec
){
1821 remove_item_from_queue(q
, fromHead
);
1830 void remove_all_items_from_queue(GQueue
*q
)
1833 while((data
= (RawTraceData
*)g_queue_pop_head(q
)) != NULL
){
1840 * plugin's init function
1842 * This function initializes the Event Viewer functionnality through the
1845 static void init() {
1847 /* Register the toolbar insert button */
1848 toolbar_item_reg(hGuiEventsInsert_xpm
, "Insert Event Viewer", h_gui_events
);
1850 /* Register the menu item insert entry */
1851 menu_item_reg("/", "Insert Event Viewer", h_gui_events
);
1855 void event_destroy_walk(gpointer data
, gpointer user_data
)
1857 gui_events_destructor((EventViewerData
*)data
);
1861 * plugin's destroy function
1863 * This function releases the memory reserved by the module and unregisters
1864 * everything that has been registered in the gtkTraceSet API.
1866 static void destroy() {
1869 EventViewerData
*event_viewer_data
;
1871 if(g_event_viewer_data_list
){
1872 g_slist_foreach(g_event_viewer_data_list
, event_destroy_walk
, NULL
);
1873 g_slist_free(g_event_viewer_data_list
);
1876 /* Unregister the toolbar insert button */
1877 toolbar_item_unreg(h_gui_events
);
1879 /* Unregister the menu item insert entry */
1880 menu_item_unreg(h_gui_events
);
1884 LTTV_MODULE("guievents", "Detailed events view", \
1885 "Graphical module to display a detailed event list", \
1886 init
, destroy
, "mainwin")