1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Mathieu Desnoyers and XangXiu Yang
3 * 2005 Mathieu Desnoyers
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License Version 2 as
7 * published by the Free Software Foundation;
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21 //*! \defgroup GuiEvents libGuiEvents: The GUI Events display plugin */
25 * \brief Graphical plugin for showing events.
27 * This plugin lists all the events contained in the current time interval
30 * This plugin adds a Events Viewer functionnality to Linux TraceToolkit
31 * GUI when this plugin is loaded. The init and destroy functions add the
32 * viewer's insertion menu item and toolbar icon by calling viewer.h's
33 * API functions. Then, when a viewer's object is created, the constructor
34 * creates ans register through API functions what is needed to interact
35 * with the lttvwindow.
37 * Authors : Mathieu Desnoyers and XangXiu Yang, June to December 2003
38 * Inspired from original LTT, made by Karim Yaghmour
40 * Mostly rewritten by Mathieu Desnoyers, August 2005.
55 #include <ltt/event.h>
57 #include <ltt/trace.h>
58 #include <ltt/facility.h>
59 #include <lttv/module.h>
60 #include <lttv/hook.h>
61 #include <lttv/tracecontext.h>
62 #include <lttv/state.h>
63 #include <lttv/filter.h>
64 #include <lttv/print.h>
65 #include <lttvwindow/lttvwindow.h>
67 #include "hGuiEventsInsert.xpm"
69 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
72 #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
75 #define abs(a) (((a)<0)?(-a):(a))
78 /** Array containing instanced objects. Used when module is unloaded */
79 static GSList
*g_event_viewer_data_list
= NULL
;
81 typedef enum _ScrollDirection
{
90 typedef struct _EventViewerData
{
93 LttvHooks
* event_hooks
;
95 /* previous value is used to determine if it is a page up/down or
96 * step up/down, in which case we move of a certain amount of events (one or
97 * the number of events shown on the screen) instead of changing begin time.
99 double previous_value
;
101 //scroll window containing Tree View
102 GtkWidget
* scroll_win
;
104 /* Model containing list data */
105 GtkListStore
*store_m
;
107 GPtrArray
*pos
; /* Array of LttvTracesetContextPosition * */
109 GtkWidget
*top_widget
;
111 /* Widget to display the data in a columned list */
113 GtkAdjustment
*vtree_adjust_c
;
114 GtkWidget
*button
; /* a button of the header, used to get the header_height */
117 /* Vertical scrollbar and its adjustment */
118 GtkWidget
*vscroll_vc
;
119 GtkAdjustment
*vadjust_c
;
121 /* Selection handler */
122 GtkTreeSelection
*select_c
;
124 gint num_visible_events
;
126 LttvTracesetContextPosition
*currently_selected_position
;
128 LttvTracesetContextPosition
*first_event
; /* Time of the first event shown */
129 LttvTracesetContextPosition
*last_event
; /* Time of the first event shown */
131 LttvFilter
*main_win_filter
;
135 /** hook functions for update time interval, current time ... */
136 gboolean
update_current_time(void * hook_data
, void * call_data
);
137 gboolean
update_current_position(void * hook_data
, void * call_data
);
138 //gboolean show_event_detail(void * hook_data, void * call_data);
139 gboolean
traceset_changed(void * hook_data
, void * call_data
);
140 gboolean
filter_changed(void * hook_data
, void * call_data
);
142 //! Event Viewer's constructor hook
143 GtkWidget
*h_gui_events(Tab
*tab
);
144 //! Event Viewer's constructor
145 EventViewerData
*gui_events(Tab
*tab
);
146 //! Event Viewer's destructor
147 void gui_events_destructor(EventViewerData
*event_viewer_data
);
148 void gui_events_free(EventViewerData
*event_viewer_data
);
151 header_size_allocate(GtkWidget
*widget
,
152 GtkAllocation
*allocation
,
155 void tree_v_set_cursor(EventViewerData
*event_viewer_data
);
156 void tree_v_get_cursor(EventViewerData
*event_viewer_data
);
158 /* Prototype for selection handler callback */
159 static void tree_selection_changed_cb (GtkTreeSelection
*selection
,
161 static void v_scroll_cb (GtkAdjustment
*adjustment
, gpointer data
);
162 static void tree_v_size_allocate_cb (GtkWidget
*widget
, GtkAllocation
*alloc
,
164 static void tree_v_size_request_cb (GtkWidget
*widget
,
165 GtkRequisition
*requisition
, gpointer data
);
166 static void tree_v_cursor_changed_cb (GtkWidget
*widget
, gpointer data
);
167 static void tree_v_move_cursor_cb (GtkWidget
*widget
, GtkMovementStep arg1
,
168 gint arg2
, gpointer data
);
171 static void get_events(double time
, EventViewerData
*event_viewer_data
);
173 int event_hook(void *hook_data
, void *call_data
);
175 /* Enumeration of the columns */
179 TRACEFILE_NAME_COLUMN
,
192 * Event Viewer's constructor hook
194 * This constructor is given as a parameter to the menuitem and toolbar button
195 * registration. It creates the list.
196 * @param parent_window A pointer to the parent window.
197 * @return The widget created.
200 h_gui_events(Tab
* tab
)
202 EventViewerData
* event_viewer_data
= gui_events(tab
) ;
203 if(event_viewer_data
)
204 return event_viewer_data
->top_widget
;
210 * Event Viewer's constructor
212 * This constructor is used to create EventViewerData data structure.
213 * @return The Event viewer data created.
219 GtkTreeViewColumn
*column
;
220 GtkCellRenderer
*renderer
;
221 EventViewerData
* event_viewer_data
= g_new(EventViewerData
,1) ;
223 event_viewer_data
->tab
= tab
;
225 LttvTracesetContext
* tsc
=
226 lttvwindow_get_traceset_context(event_viewer_data
->tab
);
229 event_viewer_data
->event_hooks
= lttv_hooks_new();
230 lttv_hooks_add(event_viewer_data
->event_hooks
,
235 lttvwindow_register_current_time_notify(tab
,
236 update_current_time
,event_viewer_data
);
237 lttvwindow_register_current_position_notify(tab
,
238 update_current_position
,event_viewer_data
);
239 lttvwindow_register_traceset_notify(tab
,
240 traceset_changed
,event_viewer_data
);
241 lttvwindow_register_filter_notify(tab
,
242 filter_changed
, event_viewer_data
);
244 event_viewer_data
->scroll_win
= gtk_scrolled_window_new (NULL
, NULL
);
245 gtk_widget_show (event_viewer_data
->scroll_win
);
246 gtk_scrolled_window_set_policy(
247 GTK_SCROLLED_WINDOW(event_viewer_data
->scroll_win
),
248 GTK_POLICY_AUTOMATIC
, GTK_POLICY_NEVER
);
250 event_viewer_data
->currently_selected_position
=
251 lttv_traceset_context_position_new(tsc
);
252 event_viewer_data
->first_event
=
253 lttv_traceset_context_position_new(tsc
);
254 event_viewer_data
->last_event
=
255 lttv_traceset_context_position_new(tsc
);
257 event_viewer_data
->main_win_filter
= NULL
;
259 /* Create a model for storing the data list */
260 event_viewer_data
->store_m
= gtk_list_store_new (
261 N_COLUMNS
, /* Total number of columns */
262 G_TYPE_STRING
, /* Trace name */
263 G_TYPE_STRING
, /* Tracefile name */
264 G_TYPE_UINT
, /* CPUID */
265 G_TYPE_STRING
, /* Event */
266 G_TYPE_STRING
, /* Facility */
267 G_TYPE_UINT
, /* Time s */
268 G_TYPE_UINT
, /* Time ns */
269 G_TYPE_INT
, /* PID */
270 G_TYPE_STRING
, /* Event's description */
271 G_TYPE_POINTER
);/* Position (not shown) */
273 event_viewer_data
->pos
= g_ptr_array_sized_new(10);
275 /* Create the viewer widget for the columned list */
276 event_viewer_data
->tree_v
=
277 gtk_tree_view_new_with_model (GTK_TREE_MODEL (event_viewer_data
->store_m
));
279 g_signal_connect (G_OBJECT (event_viewer_data
->tree_v
), "size-allocate",
280 G_CALLBACK (tree_v_size_allocate_cb
),
282 g_signal_connect (G_OBJECT (event_viewer_data
->tree_v
), "size-request",
283 G_CALLBACK (tree_v_size_request_cb
),
286 g_signal_connect (G_OBJECT (event_viewer_data
->tree_v
), "cursor-changed",
287 G_CALLBACK (tree_v_cursor_changed_cb
),
290 g_signal_connect (G_OBJECT (event_viewer_data
->tree_v
), "move-cursor",
291 G_CALLBACK (tree_v_move_cursor_cb
),
294 // Use on each column!
295 //gtk_tree_view_column_set_sizing(event_viewer_data->tree_v,
296 //GTK_TREE_VIEW_COLUMN_FIXED);
298 /* The view now holds a reference. We can get rid of our own
300 g_object_unref (G_OBJECT (event_viewer_data
->store_m
));
303 /* Create a column, associating the "text" attribute of the
304 * cell_renderer to the first column of the model */
305 /* Columns alignment : 0.0 : Left 0.5 : Center 1.0 : Right */
306 renderer
= gtk_cell_renderer_text_new ();
307 column
= gtk_tree_view_column_new_with_attributes ("Trace",
309 "text", TRACE_NAME_COLUMN
,
311 gtk_tree_view_column_set_alignment (column
, 0.0);
312 gtk_tree_view_column_set_fixed_width (column
, 120);
313 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
),
316 event_viewer_data
->button
= column
->button
;
318 g_signal_connect (G_OBJECT(event_viewer_data
->button
),
320 G_CALLBACK(header_size_allocate
),
321 (gpointer
)event_viewer_data
);
325 renderer
= gtk_cell_renderer_text_new ();
326 column
= gtk_tree_view_column_new_with_attributes ("Tracefile",
328 "text", TRACEFILE_NAME_COLUMN
,
330 gtk_tree_view_column_set_alignment (column
, 0.0);
331 gtk_tree_view_column_set_fixed_width (column
, 120);
332 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
),
336 renderer
= gtk_cell_renderer_text_new ();
337 column
= gtk_tree_view_column_new_with_attributes ("CPUID",
339 "text", CPUID_COLUMN
,
341 gtk_tree_view_column_set_alignment (column
, 0.0);
342 gtk_tree_view_column_set_fixed_width (column
, 45);
343 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
),
346 renderer
= gtk_cell_renderer_text_new ();
347 column
= gtk_tree_view_column_new_with_attributes ("Event",
349 "text", EVENT_COLUMN
,
351 gtk_tree_view_column_set_alignment (column
, 0.0);
352 gtk_tree_view_column_set_fixed_width (column
, 120);
353 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
),
356 renderer
= gtk_cell_renderer_text_new ();
357 column
= gtk_tree_view_column_new_with_attributes ("Facility",
359 "text", FACILITY_COLUMN
,
361 gtk_tree_view_column_set_alignment (column
, 0.0);
362 gtk_tree_view_column_set_fixed_width (column
, 120);
363 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
),
366 renderer
= gtk_cell_renderer_text_new ();
367 column
= gtk_tree_view_column_new_with_attributes ("Time (s)",
369 "text", TIME_S_COLUMN
,
371 gtk_tree_view_column_set_alignment (column
, 1.0);
372 gtk_tree_view_column_set_fixed_width (column
, 120);
373 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
),
376 renderer
= gtk_cell_renderer_text_new ();
377 column
= gtk_tree_view_column_new_with_attributes ("Time (ns)",
379 "text", TIME_NS_COLUMN
,
381 gtk_tree_view_column_set_alignment (column
, 1.0);
382 gtk_tree_view_column_set_fixed_width (column
, 120);
383 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
),
387 renderer
= gtk_cell_renderer_text_new ();
388 column
= gtk_tree_view_column_new_with_attributes ("PID",
392 gtk_tree_view_column_set_alignment (column
, 1.0);
393 gtk_tree_view_column_set_fixed_width (column
, 45);
394 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
),
397 renderer
= gtk_cell_renderer_text_new ();
398 column
= gtk_tree_view_column_new_with_attributes ("Event Description",
400 "text", EVENT_DESCR_COLUMN
,
402 gtk_tree_view_column_set_alignment (column
, 0.0);
403 gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data
->tree_v
),
407 /* Setup the selection handler */
408 event_viewer_data
->select_c
=
409 gtk_tree_view_get_selection (GTK_TREE_VIEW (event_viewer_data
->tree_v
));
410 gtk_tree_selection_set_mode (event_viewer_data
->select_c
,
411 GTK_SELECTION_SINGLE
);
412 g_signal_connect (G_OBJECT (event_viewer_data
->select_c
), "changed",
413 G_CALLBACK (tree_selection_changed_cb
),
416 gtk_container_add (GTK_CONTAINER (event_viewer_data
->scroll_win
),
417 event_viewer_data
->tree_v
);
419 event_viewer_data
->hbox_v
= gtk_hbox_new(0, 0);
420 event_viewer_data
->top_widget
= event_viewer_data
->hbox_v
;
421 gtk_box_pack_start(GTK_BOX(event_viewer_data
->hbox_v
),
422 event_viewer_data
->scroll_win
, TRUE
, TRUE
, 0);
424 /* Create vertical scrollbar and pack it */
425 event_viewer_data
->vscroll_vc
= gtk_vscrollbar_new(NULL
);
426 gtk_range_set_update_policy (GTK_RANGE(event_viewer_data
->vscroll_vc
),
427 GTK_UPDATE_CONTINUOUS
);
428 // Changed by MD : more user friendly :)
429 //GTK_UPDATE_DISCONTINUOUS);
430 gtk_box_pack_start(GTK_BOX(event_viewer_data
->hbox_v
),
431 event_viewer_data
->vscroll_vc
, FALSE
, TRUE
, 0);
433 /* Get the vertical scrollbar's adjustment */
434 event_viewer_data
->vadjust_c
=
435 gtk_range_get_adjustment(GTK_RANGE(event_viewer_data
->vscroll_vc
));
436 event_viewer_data
->vtree_adjust_c
= gtk_tree_view_get_vadjustment(
437 GTK_TREE_VIEW (event_viewer_data
->tree_v
));
439 g_signal_connect (G_OBJECT (event_viewer_data
->vadjust_c
), "value-changed",
440 G_CALLBACK (v_scroll_cb
),
442 /* Set the upper bound to the last event number */
443 event_viewer_data
->previous_value
= 0;
444 event_viewer_data
->vadjust_c
->lower
= 0.0;
445 //event_viewer_data->vadjust_c->upper = event_viewer_data->number_of_events;
446 event_viewer_data
->vadjust_c
->value
= 0.0;
447 event_viewer_data
->vadjust_c
->step_increment
= 1.0;
448 event_viewer_data
->vadjust_c
->page_increment
= 2.0;
449 // event_viewer_data->vtree_adjust_c->upper;
450 event_viewer_data
->vadjust_c
->page_size
= 2.0;
451 // event_viewer_data->vtree_adjust_c->upper;
452 /* Raw event trace */
453 gtk_widget_show(event_viewer_data
->hbox_v
);
454 gtk_widget_show(event_viewer_data
->tree_v
);
455 gtk_widget_show(event_viewer_data
->vscroll_vc
);
457 /* Add the object's information to the module's array */
458 g_event_viewer_data_list
= g_slist_append(g_event_viewer_data_list
,
461 event_viewer_data
->num_visible_events
= 1;
463 //get the life span of the traceset and set the upper of the scroll bar
465 TimeInterval time_span
= tsc
->time_span
;
466 end
= ltt_time_sub(time_span
.end_time
, time_span
.start_time
);
468 event_viewer_data
->vadjust_c
->upper
=
469 ltt_time_to_double(end
);
471 /* Set the Selected Event */
472 // tree_v_set_cursor(event_viewer_data);
474 // event_viewer_data->current_time_updated = FALSE;
476 g_object_set_data_full(
477 G_OBJECT(event_viewer_data
->hbox_v
),
480 (GDestroyNotify
)gui_events_free
);
483 return event_viewer_data
;
489 header_size_allocate(GtkWidget
*widget
,
490 GtkAllocation
*allocation
,
493 EventViewerData
*event_viewer_data
= (EventViewerData
*)user_data
;
495 event_viewer_data
->header_height
= allocation
->height
;
501 void tree_v_set_cursor(EventViewerData
*event_viewer_data
)
505 g_debug("set cursor cb");
508 if(event_viewer_data
->currently_selected_event
!= -1)
510 path
= gtk_tree_path_new_from_indices(
511 event_viewer_data
->currently_selected_event
,
514 gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
),
516 gtk_tree_path_free(path
);
521 void tree_v_get_cursor(EventViewerData
*event_viewer_data
)
526 g_debug("get cursor cb");
530 gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
),
532 indices
= gtk_tree_path_get_indices(path
);
535 event_viewer_data
->currently_selected_event
= indices
[0];
537 event_viewer_data
->currently_selected_event
= -1;
539 gtk_tree_path_free(path
);
545 void tree_v_move_cursor_cb (GtkWidget
*widget
,
546 GtkMovementStep arg1
,
550 GtkTreePath
*path
; // = gtk_tree_path_new();
553 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
555 g_debug("move cursor cb");
556 gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
),
560 /* No prior cursor, put it at beginning of page
561 * and let the execution do */
562 path
= gtk_tree_path_new_from_indices(0, -1);
563 gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
),
567 indices
= gtk_tree_path_get_indices(path
);
569 value
= gtk_adjustment_get_value(event_viewer_data
->vadjust_c
);
571 g_debug("tree view move cursor : arg1 is %u and arg2 is %d",
575 if(arg1
== GTK_MOVEMENT_DISPLAY_LINES
)
580 /* move one line down */
581 if(indices
[0]) // Do we need an empty field here (before first)?
583 if(value
+ event_viewer_data
->num_visible_events
<=
584 event_viewer_data
->number_of_events
-1)
586 event_viewer_data
->currently_selected_event
+= 1;
587 // gtk_adjustment_set_value(event_viewer_data->vadjust_c, value+1);
588 //gtk_tree_path_free(path);
589 //path = gtk_tree_path_new_from_indices(event_viewer_data->num_visible_events-1, -1);
590 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
591 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
595 /* Move one line up */
600 event_viewer_data
->currently_selected_event
-= 1;
601 // gtk_adjustment_set_value(event_viewer_data->vadjust_c, value-1);
602 //gtk_tree_path_free(path);
603 //path = gtk_tree_path_new_from_indices(0, -1);
604 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
605 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
611 if(arg1
== GTK_MOVEMENT_PAGES
)
616 if(event_viewer_data
->num_visible_events
== 1)
618 /* move one page down */
619 if(value
+ event_viewer_data
->num_visible_events
-1 <=
620 event_viewer_data
->number_of_events
)
622 event_viewer_data
->currently_selected_event
+=
623 event_viewer_data
->num_visible_events
-1;
624 // gtk_adjustment_set_value(event_viewer_data->vadjust_c,
625 // value+(event_viewer_data->num_visible_events-1));
626 //gtk_tree_path_free(path);
627 //path = gtk_tree_path_new_from_indices(0, -1);
628 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
629 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
632 /* Move one page up */
633 if(event_viewer_data
->num_visible_events
== 1)
636 if(indices
[0] < event_viewer_data
->num_visible_events
- 2 )
638 if(value
- (event_viewer_data
->num_visible_events
-1) >= 0)
640 event_viewer_data
->currently_selected_event
-=
641 event_viewer_data
->num_visible_events
-1;
643 // gtk_adjustment_set_value(event_viewer_data->vadjust_c,
644 // value-(event_viewer_data->num_visible_events-1));
645 //gtk_tree_path_free(path);
646 //path = gtk_tree_path_new_from_indices(0, -1);
647 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
648 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
651 /* Go to first Event */
652 event_viewer_data
->currently_selected_event
== 0 ;
653 // gtk_adjustment_set_value(event_viewer_data->vadjust_c,
655 //gtk_tree_path_free(path);
656 //path = gtk_tree_path_new_from_indices(0, -1);
657 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
658 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
665 if(arg1
== GTK_MOVEMENT_BUFFER_ENDS
)
667 /* Move to the ends of the buffer */
670 /* move end of buffer */
671 event_viewer_data
->currently_selected_event
=
672 event_viewer_data
->number_of_events
-1 ;
673 // gtk_adjustment_set_value(event_viewer_data->vadjust_c,
674 // event_viewer_data->number_of_events -
675 // event_viewer_data->num_visible_events);
676 //gtk_tree_path_free(path);
677 //path = gtk_tree_path_new_from_indices(event_viewer_data->num_visible_events-1, -1);
678 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
679 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
681 /* Move beginning of buffer */
682 event_viewer_data
->currently_selected_event
= 0 ;
683 // gtk_adjustment_set_value(event_viewer_data->vadjust_c, 0);
684 //gtk_tree_path_free(path);
685 //path = gtk_tree_path_new_from_indices(0, -1);
686 //gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), path, NULL, FALSE);
687 g_signal_stop_emission_by_name(G_OBJECT(widget
), "move-cursor");
691 gtk_tree_path_free(path
);
694 void tree_v_cursor_changed_cb (GtkWidget
*widget
, gpointer data
)
696 EventViewerData
*event_viewer_data
= (EventViewerData
*) data
;
697 Tab
*tab
= event_viewer_data
->tab
;
699 GtkTreeModel
* model
= GTK_TREE_MODEL(event_viewer_data
->store_m
);
701 LttvTracesetContextPosition
*pos
;
703 g_debug("cursor changed cb");
706 /* On cursor change, modify the currently selected event by calling
707 * the right API function */
708 tree_v_get_cursor(event_viewer_data
);
710 gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
),
712 if(gtk_tree_model_get_iter(model
,&iter
,path
)){
713 gtk_tree_model_get(model
, &iter
, POSITION_COLUMN
, &pos
, -1);
715 lttvwindow_report_current_position(tab
, pos
);
717 g_warning("Can not get iter\n");
723 static void tree_selection_changed_cb (GtkTreeSelection
*selection
,
726 g_debug("tree sel changed cb");
727 EventViewerData
*event_viewer_data
= (EventViewerData
*) data
;
729 /* Set the cursor to currently selected event */
730 GtkTreeModel
* model
= GTK_TREE_MODEL(event_viewer_data
->store_m
);
732 LttvTracesetContextPosition
*pos
;
734 GtkTreePath
*tree_path
;
736 for(i
=0;i
<event_viewer_data
->num_visible_events
;i
++) {
737 tree_path
= gtk_tree_path_new_from_indices(
740 if(gtk_tree_model_get_iter(model
,&iter
,tree_path
)){
741 gtk_tree_model_get(model
, &iter
, POSITION_COLUMN
, &pos
, -1);
743 if(lttv_traceset_context_pos_pos_compare(pos
,
744 event_viewer_data
->currently_selected_position
) == 0) {
746 gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
),
747 tree_path
, NULL
, FALSE
);
752 g_warning("Can not get iter\n");
754 gtk_tree_path_free(tree_path
);
761 /* This callback may be recalled after a step up/down, but we don't want to lose
762 * the exact position : what we do is that we only set the value if it has
763 * changed : a step up/down that doesn't change the time value of the first
764 * event won't trigger a scrollbar change. */
766 void v_scroll_cb (GtkAdjustment
*adjustment
, gpointer data
)
768 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
769 LttvTracesetStats
*tss
=
770 lttvwindow_get_traceset_stats(event_viewer_data
->tab
);
771 LttvTracesetContext
*tsc
= (LttvTracesetContext
*)tss
;
772 g_debug("SCROLL begin");
773 g_debug("SCROLL values : %g , %g, %g",
774 adjustment
->value
, event_viewer_data
->previous_value
,
775 (adjustment
->value
- event_viewer_data
->previous_value
));
777 LttTime new_time_off
= ltt_time_from_double(adjustment
->value
);
778 LttTime old_time_off
= ltt_time_from_double(event_viewer_data
->previous_value
);
779 g_debug("SCROLL time values %lu.%lu, %lu.%lu", new_time_off
.tv_sec
,
780 new_time_off
.tv_nsec
, old_time_off
.tv_sec
, old_time_off
.tv_nsec
);
781 /* If same value : nothing to update */
782 if(ltt_time_compare(new_time_off
, old_time_off
) == 0)
785 //LttTime old_time = event_viewer_data->first_event;
787 get_events(adjustment
->value
, event_viewer_data
);
789 LttTime time
= ltt_time_sub(event_viewer_data
->first_event
,
790 tsc
->time_span
.start_time
);
791 double value
= ltt_time_to_double(time
);
792 gtk_adjustment_set_value(event_viewer_data
->vadjust_c
, value
);
794 if(event_viewer_data
->currently_selected_event
!= -1) {
796 tree_path
= gtk_tree_path_new_from_indices(
797 event_viewer_data
->currently_selected_event
,
800 // gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v), tree_path,
802 gtk_tree_path_free(tree_path
);
805 g_debug("SCROLL end");
808 static __inline gint
get_cell_height(GtkTreeView
*TreeView
)
811 GtkTreeViewColumn
*column
= gtk_tree_view_get_column(TreeView
, 0);
813 gtk_tree_view_column_cell_get_size(column
, NULL
, NULL
, NULL
, NULL
, &height
);
818 void tree_v_size_allocate_cb (GtkWidget
*widget
, GtkAllocation
*alloc
, gpointer data
)
820 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
821 gint cell_height
= get_cell_height(GTK_TREE_VIEW(event_viewer_data
->tree_v
));
822 gint last_num_visible_events
= event_viewer_data
->num_visible_events
;
823 gdouble exact_num_visible
;
825 exact_num_visible
= ( alloc
->height
-
826 event_viewer_data
->header_height
)
827 / (double)cell_height
;
829 event_viewer_data
->num_visible_events
= ceil(exact_num_visible
) ;
832 event_viewer_data->vadjust_c->page_increment =
833 floor(exact_num_visible);
834 event_viewer_data->vadjust_c->page_size =
835 floor(exact_num_visible);
838 g_debug("size allocate : last_num_visible_events : %d,\
839 num_visible_events : %d",
840 last_num_visible_events
,
841 event_viewer_data
->num_visible_events
);
842 if(event_viewer_data
->num_visible_events
!= last_num_visible_events
)
844 get_events(event_viewer_data
->vadjust_c
->value
, event_viewer_data
);
850 void tree_v_size_request_cb (GtkWidget
*widget
, GtkRequisition
*requisition
, gpointer data
)
853 EventViewerData
*event_viewer_data
= (EventViewerData
*)data
;
854 gint cell_height
= get_cell_height(GTK_TREE_VIEW(event_viewer_data
->tree_v
));
856 h
= cell_height
+ event_viewer_data
->header_height
;
857 requisition
->height
= h
;
862 gboolean
show_event_detail(void * hook_data
, void * call_data
)
864 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
865 LttvTracesetContext
* tsc
= lttvwindow_get_traceset_context(event_viewer_data
->tab
);
867 if(event_viewer_data
->event_fields_queue_tmp
->length
== 0 &&
868 event_viewer_data
->event_fields_queue
->length
== 0){
869 event_viewer_data
->shown
= FALSE
;
873 if(event_viewer_data
->shown
== FALSE
){
874 event_viewer_data
->shown
= TRUE
;
875 update_raw_data_array(event_viewer_data
,
876 event_viewer_data
->event_fields_queue_tmp
->length
);
878 get_data(event_viewer_data
->vadjust_c
->value
,
879 event_viewer_data
->num_visible_events
,
882 remove_context_hooks(event_viewer_data
,tsc
);
895 static void get_events(double new_value
, EventViewerData
*event_viewer_data
)
897 GtkTreePath
*tree_path
;
898 LttvTracesetStats
*tss
=
899 lttvwindow_get_traceset_stats(event_viewer_data
->tab
);
900 LttvTracesetContext
*tsc
= (LttvTracesetContext
*)tss
;
902 gboolean seek_by_time
;
904 double value
= new_value
- event_viewer_data
->previous_value
;
906 /* See where we have to scroll... */
907 ScrollDirection direction
;
908 gint relative_position
;
911 if(value
>= -1.0) direction
= SCROLL_STEP_UP
;
913 if(value
>= -2.0) direction
= SCROLL_PAGE_UP
;
914 else direction
= SCROLL_JUMP
;
916 } else if(value
> 0.0) {
917 if(value
<= 1.0) direction
= SCROLL_STEP_DOWN
;
919 if(value
<= 2.0) direction
= SCROLL_PAGE_DOWN
;
920 else direction
= SCROLL_JUMP
;
922 } else direction
= SCROLL_NONE
; /* 0.0 */
927 g_debug("get_events : SCROLL_STEP_UP");
928 relative_position
= -1;
931 case SCROLL_STEP_DOWN
:
932 g_debug("get_events : SCROLL_STEP_DOWN");
933 relative_position
= 1;
937 g_debug("get_events : SCROLL_PAGE_UP");
938 relative_position
= -(event_viewer_data
->num_visible_events
);
941 case SCROLL_PAGE_DOWN
:
942 g_debug("get_events : SCROLL_PAGE_DOWN");
943 relative_position
= event_viewer_data
->num_visible_events
;
947 g_debug("get_events : SCROLL_JUMP");
951 g_debug("get_events : SCROLL_NONE");
952 relative_position
= 0;
957 LttTime time
= ltt_time_from_double(new_value
);
958 time
= ltt_time_add(tsc
->time_span
.start_time
, time
);
962 LttvTracesetContextPosition
*pos
=
963 lttv_traceset_context_position_new(tsc
);
965 /* Remember the beginning position */
966 if(event_viewer_data
->pos
->len
> 0) {
967 LttvTracesetContextPosition
*first_pos
=
968 (LttvTracesetContextPosition
*)g_ptr_array_index(event_viewer_data
->pos
,
970 lttv_traceset_context_position_copy(pos
, first_pos
);
971 g_assert(lttv_process_traceset_seek_position(tsc
, pos
) == 0);
973 /* There is nothing in the list : simply seek to the time value. */
974 lttv_state_traceset_seek_time_closest((LttvTracesetState
*)tsc
,
976 lttv_process_traceset_middle(tsc
, time
, G_MAXUINT
,
980 /* Note that, as we mess with the tsc position, this function CANNOT be called
981 * from a hook inside the lttv_process_traceset_middle. */
982 /* As the lttvwindow API keeps a sync_position inside the tsc to go back at
983 * the right spot after being interrupted, it's ok to change the tsc position,
984 * as long as we do not touch the sync_position. */
986 /* Get the beginning position of the read (with seek backward or seek forward)
988 if(relative_position
> 0) {
990 count
= lttv_process_traceset_seek_n_forward(tsc
, relative_position
,
991 event_viewer_data
->main_win_filter
);
992 } else if(relative_position
< 0) {
995 /* Get an idea of currently shown event dispersion */
996 LttTime first_event_time
=
997 lttv_traceset_context_position_get_time(event_viewer_data
->first_event
);
998 LttTime last_event_time
=
999 lttv_traceset_context_position_get_time(event_viewer_data
->last_event
);
1000 LttTime time_diff
= ltt_time_sub(last_event_time
, first_event_time
);
1001 if(ltt_time_compare(time_diff
, ltt_time_zero
) == 0)
1002 time_diff
= seek_back_default_offset
;
1003 count
= lttv_process_traceset_seek_n_backward(tsc
, abs(relative_position
),
1005 (seek_time_fct
)lttv_state_traceset_seek_time_closest
,
1006 event_viewer_data
->main_win_filter
);
1007 } /* else 0 : do nothing : we are already at the beginning position */
1009 lttv_traceset_context_position_destroy(pos
);
1011 /* Save the first event position */
1012 lttv_traceset_context_position_save(tsc
, event_viewer_data
->first_event
);
1014 time
= lttv_traceset_context_position_get_time(
1015 event_viewer_data
->first_event
);
1016 LttTime time_val
= ltt_time_sub(time
,
1017 tsc
->time_span
.start_time
);
1018 event_viewer_data
->previous_value
= ltt_time_to_double(time_val
);
1020 lttv_state_traceset_seek_time_closest((LttvTracesetState
*)tsc
, time
);
1021 lttv_process_traceset_middle(tsc
, ltt_time_infinite
, G_MAXUINT
,
1022 event_viewer_data
->first_event
);
1026 lttv_state_traceset_seek_time_closest((LttvTracesetState
*)tsc
,
1028 lttv_process_traceset_middle(tsc
, time
, G_MAXUINT
,
1030 LttTime time_val
= ltt_time_sub(time
,
1031 tsc
->time_span
.start_time
);
1032 event_viewer_data
->previous_value
= ltt_time_to_double(time_val
);
1033 lttv_traceset_context_position_save(tsc
, event_viewer_data
->first_event
);
1036 /* Clear the model (don't forget to free the TCS positions!) */
1037 gtk_list_store_clear(event_viewer_data
->store_m
);
1038 for(i
=0;i
<event_viewer_data
->pos
->len
;i
++) {
1039 LttvTracesetContextPosition
*cur_pos
=
1040 (LttvTracesetContextPosition
*)g_ptr_array_index(event_viewer_data
->pos
,
1042 lttv_traceset_context_position_destroy(cur_pos
);
1044 g_ptr_array_set_size(event_viewer_data
->pos
, 0);
1048 * I make the choice not to use the mainwindow lttvwindow API here : it will
1049 * be faster to read the events ourself from lttv_process_traceset_middle, as
1050 * we are already at the right read position. It would be costier to use the
1051 * seek time closest for nothing, as we only have few events to read.
1053 /* FIXME : use seek time closest and middle to have a good state. */
1055 lttv_process_traceset_begin(tsc
,
1056 NULL
, NULL
, NULL
, event_viewer_data
->event_hooks
, NULL
);
1058 lttv_process_traceset_middle(tsc
, ltt_time_infinite
, G_MAXUINT
, NULL
);
1060 lttv_process_traceset_end(tsc
,
1061 NULL
, NULL
, NULL
, event_viewer_data
->event_hooks
, NULL
);
1063 /* Get the end position */
1064 if(event_viewer_data
->pos
->len
> 0) {
1065 LttvTracesetContextPosition
*cur_pos
=
1066 (LttvTracesetContextPosition
*)g_ptr_array_index(event_viewer_data
->pos
,
1067 event_viewer_data
->pos
->len
- 1);
1068 lttv_traceset_context_position_copy(event_viewer_data
->last_event
,
1071 lttv_traceset_context_position_save(tsc
, event_viewer_data
->last_event
);
1073 gtk_adjustment_set_value(event_viewer_data
->vadjust_c
,
1074 event_viewer_data
->previous_value
);
1076 //g_signal_emit_by_name(G_OBJECT (event_viewer_data->select_c),
1085 int event_hook(void *hook_data
, void *call_data
)
1087 EventViewerData
*event_viewer_data
= (EventViewerData
*)hook_data
;
1088 LttvTracefileContext
*tfc
= (LttvTracefileContext
*)call_data
;
1089 LttEvent
*e
= ltt_tracefile_get_event(tfc
->tf
);
1091 LttvFilter
*filter
= event_viewer_data
->main_win_filter
;
1092 if(filter
!= NULL
&& filter
->head
!= NULL
)
1093 if(!lttv_filter_tree_parse(filter
->head
,e
,tfc
->tf
,
1094 tfc
->t_context
->t
,tfc
))
1097 LttFacility
*facility
= ltt_event_facility(e
);
1098 LttEventType
*event_type
= ltt_event_eventtype(e
);
1099 LttField
*field
= ltt_event_field(e
);
1100 LttTime time
= ltt_event_time(e
);
1102 guint cpu
= ltt_tracefile_num(tfc
->tf
);
1103 LttvTraceState
*ts
= (LttvTraceState
*)tfc
->t_context
;
1104 LttvProcessState
*process
= ts
->running_process
[cpu
];
1108 GString
*desc
= g_string_new("");
1110 LttvTracesetContextPosition
*pos
=
1111 lttv_traceset_context_position_new(tfc
->t_context
->ts_context
);
1113 lttv_traceset_context_position_save(tfc
->t_context
->ts_context
, pos
);
1116 lttv_print_field(e
, field
, desc
, TRUE
);
1118 g_info("field : %s", desc
->str
);
1120 gtk_list_store_append (event_viewer_data
->store_m
, &iter
);
1121 gtk_list_store_set (event_viewer_data
->store_m
, &iter
,
1122 TRACE_NAME_COLUMN
, g_quark_to_string(ltt_trace_name(tfc
->t_context
->t
)),
1123 TRACEFILE_NAME_COLUMN
, g_quark_to_string(ltt_tracefile_name(tfc
->tf
)),
1125 FACILITY_COLUMN
, g_quark_to_string(ltt_facility_name(facility
)),
1126 EVENT_COLUMN
, g_quark_to_string(ltt_eventtype_name(event_type
)),
1127 TIME_S_COLUMN
, time
.tv_sec
,
1128 TIME_NS_COLUMN
, time
.tv_nsec
,
1129 PID_COLUMN
, process
->pid
,
1130 EVENT_DESCR_COLUMN
, desc
->str
,
1131 POSITION_COLUMN
, pos
,
1134 g_ptr_array_add(event_viewer_data
->pos
, pos
);
1136 g_string_free(desc
, TRUE
);
1138 if(lttv_traceset_context_pos_pos_compare(pos
,
1139 event_viewer_data
->currently_selected_position
) == 0) {
1140 GtkTreePath
*path
= gtk_tree_path_new_from_indices(
1141 event_viewer_data
->pos
->len
- 1, -1);
1142 gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
),
1144 gtk_tree_path_free(path
);
1147 if(event_viewer_data
->pos
->len
>= event_viewer_data
->num_visible_events
)
1155 static void event_update_selection(EventViewerData
*event_viewer_data
)
1158 GPtrArray
*positions
= event_viewer_data
->pos
;
1160 for(i
=0;i
<positions
->len
;i
++) {
1161 LttvTracesetContextPosition
*cur_pos
=
1162 (LttvTracesetContextPosition
*)g_ptr_array_index(positions
, i
);
1163 if(lttv_traceset_context_pos_pos_compare(cur_pos
,
1164 event_viewer_data
->currently_selected_position
) == 0) {
1165 GtkTreePath
*path
= gtk_tree_path_new_from_indices(i
, -1);
1166 gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data
->tree_v
),
1168 gtk_tree_path_free(path
);
1174 gboolean
update_current_time(void * hook_data
, void * call_data
)
1176 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
1177 const LttTime
* current_time
= (LttTime
*)call_data
;
1178 LttvTracesetContext
* tsc
=
1179 lttvwindow_get_traceset_context(event_viewer_data
->tab
);
1182 /* If the currently selected event time != current time, set the first event
1183 * with this time as currently selected. */
1184 LttTime pos_time
= lttv_traceset_context_position_get_time(
1185 event_viewer_data
->currently_selected_position
);
1186 if(ltt_time_compare(pos_time
, *current_time
) != 0) {
1188 lttv_process_traceset_seek_time(tsc
, *current_time
);
1189 lttv_traceset_context_position_save(tsc
,
1190 event_viewer_data
->currently_selected_position
);
1191 pos_time
= lttv_traceset_context_position_get_time(
1192 event_viewer_data
->currently_selected_position
);
1195 LttTime time
= ltt_time_sub(pos_time
, tsc
->time_span
.start_time
);
1196 double new_value
= ltt_time_to_double(time
);
1198 /* Change the viewed area if does not match */
1199 if(lttv_traceset_context_pos_pos_compare(
1200 event_viewer_data
->currently_selected_position
,
1201 event_viewer_data
->first_event
) < 0
1203 lttv_traceset_context_pos_pos_compare(
1204 event_viewer_data
->currently_selected_position
,
1205 event_viewer_data
->last_event
) > 0) {
1206 gtk_adjustment_set_value(event_viewer_data
->vadjust_c
, new_value
);
1208 /* Simply update the current time : it is in the list */
1209 event_update_selection(event_viewer_data
);
1215 gboolean
update_current_position(void * hook_data
, void * call_data
)
1217 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
1218 const LttvTracesetContextPosition
*current_pos
=
1219 (LttvTracesetContextPosition
*)call_data
;
1220 LttvTracesetContext
* tsc
=
1221 lttvwindow_get_traceset_context(event_viewer_data
->tab
);
1223 if(lttv_traceset_context_pos_pos_compare(
1224 event_viewer_data
->currently_selected_position
, current_pos
) != 0) {
1225 lttv_traceset_context_position_copy(
1226 event_viewer_data
->currently_selected_position
, current_pos
);
1229 /* Change the viewed area if does not match */
1230 if(lttv_traceset_context_pos_pos_compare(
1231 event_viewer_data
->currently_selected_position
,
1232 event_viewer_data
->first_event
) < 0
1234 lttv_traceset_context_pos_pos_compare(
1235 event_viewer_data
->currently_selected_position
,
1236 event_viewer_data
->last_event
) > 0) {
1237 LttTime time
= lttv_traceset_context_position_get_time(current_pos
);
1238 time
= ltt_time_sub(time
, tsc
->time_span
.start_time
);
1239 double new_value
= ltt_time_to_double(time
);
1240 gtk_adjustment_set_value(event_viewer_data
->vadjust_c
, new_value
);
1242 /* Simply update the current time : it is in the list */
1243 event_update_selection(event_viewer_data
);
1254 gboolean
traceset_changed(void * hook_data
, void * call_data
)
1256 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
1257 LttvTracesetContext
* tsc
=
1258 lttvwindow_get_traceset_context(event_viewer_data
->tab
);
1259 TimeInterval time_span
= tsc
->time_span
;
1262 gtk_list_store_clear(event_viewer_data
->store_m
);
1263 g_ptr_array_set_size(event_viewer_data
->pos
, 0);
1265 end
= ltt_time_sub(time_span
.end_time
, time_span
.start_time
);
1266 event_viewer_data
->vadjust_c
->upper
= ltt_time_to_double(end
);
1268 /* Reset the positions */
1269 lttv_traceset_context_position_destroy(
1270 event_viewer_data
->currently_selected_position
);
1271 lttv_traceset_context_position_destroy(
1272 event_viewer_data
->first_event
);
1273 lttv_traceset_context_position_destroy(
1274 event_viewer_data
->last_event
);
1276 event_viewer_data
->currently_selected_position
=
1277 lttv_traceset_context_position_new(tsc
);
1278 event_viewer_data
->first_event
=
1279 lttv_traceset_context_position_new(tsc
);
1280 event_viewer_data
->last_event
=
1281 lttv_traceset_context_position_new(tsc
);
1283 get_events(event_viewer_data
->vadjust_c
->value
, event_viewer_data
);
1284 // event_viewer_data->vadjust_c->value = 0;
1289 gboolean
filter_changed(void * hook_data
, void * call_data
)
1291 EventViewerData
*event_viewer_data
= (EventViewerData
*) hook_data
;
1292 LttvTracesetContext
* tsc
=
1293 lttvwindow_get_traceset_context(event_viewer_data
->tab
);
1295 event_viewer_data
->main_win_filter
=
1296 (LttvFilter
*)call_data
;
1297 get_events(event_viewer_data
->vadjust_c
->value
, event_viewer_data
);
1306 void gui_events_free(EventViewerData
*event_viewer_data
)
1308 Tab
*tab
= event_viewer_data
->tab
;
1311 if(event_viewer_data
){
1312 lttv_hooks_remove(event_viewer_data
->event_hooks
,event_hook
);
1313 lttv_hooks_destroy(event_viewer_data
->event_hooks
);
1315 for(i
=0;i
<event_viewer_data
->pos
->len
;i
++) {
1316 LttvTracesetContextPosition
*cur_pos
=
1317 (LttvTracesetContextPosition
*)g_ptr_array_index(event_viewer_data
->pos
,
1319 lttv_traceset_context_position_destroy(cur_pos
);
1321 lttv_traceset_context_position_destroy(
1322 event_viewer_data
->currently_selected_position
);
1323 lttv_traceset_context_position_destroy(
1324 event_viewer_data
->first_event
);
1325 lttv_traceset_context_position_destroy(
1326 event_viewer_data
->last_event
);
1327 g_ptr_array_free(event_viewer_data
->pos
, TRUE
);
1329 lttvwindow_unregister_current_time_notify(tab
,
1330 update_current_time
, event_viewer_data
);
1331 lttvwindow_unregister_current_position_notify(tab
,
1332 update_current_position
, event_viewer_data
);
1333 //lttvwindow_unregister_show_notify(tab,
1334 // show_event_detail, event_viewer_data);
1335 lttvwindow_unregister_traceset_notify(tab
,
1336 traceset_changed
, event_viewer_data
);
1337 lttvwindow_unregister_filter_notify(tab
,
1338 filter_changed
, event_viewer_data
);
1340 g_event_viewer_data_list
= g_slist_remove(g_event_viewer_data_list
,
1342 g_free(event_viewer_data
);
1348 void gui_events_destructor(EventViewerData
*event_viewer_data
)
1350 /* May already been done by GTK window closing */
1351 if(GTK_IS_WIDGET(event_viewer_data
->hbox_v
)){
1352 gtk_widget_destroy(event_viewer_data
->hbox_v
);
1359 * plugin's init function
1361 * This function initializes the Event Viewer functionnality through the
1364 static void init() {
1366 lttvwindow_register_constructor("guievents",
1368 "Insert Event Viewer",
1369 hGuiEventsInsert_xpm
,
1370 "Insert Event Viewer",
1374 void event_destroy_walk(gpointer data
, gpointer user_data
)
1376 gui_events_destructor((EventViewerData
*)data
);
1380 * plugin's destroy function
1382 * This function releases the memory reserved by the module and unregisters
1383 * everything that has been registered in the gtkTraceSet API.
1385 static void destroy() {
1387 g_slist_foreach(g_event_viewer_data_list
, event_destroy_walk
, NULL
);
1388 g_slist_free(g_event_viewer_data_list
);
1390 lttvwindow_unregister_constructor(h_gui_events
);
1397 LTTV_MODULE("guievents", "Detailed events view", \
1398 "Graphical module to display a detailed event list", \
1399 init
, destroy
, "lttvwindow", "print")