1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Mathieu Desnoyers
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,
30 #include "processlist.h"
34 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
36 /* Preallocated Size of the index_to_pixmap array */
37 #define ALLOCATE_PROCESSES 1000
39 /*****************************************************************************
40 * Methods to synchronize process list *
41 *****************************************************************************/
44 gint
process_sort_func ( GtkTreeModel
*model
,
51 guint a_pid
, a_tgid
, a_ppid
, a_cpu
;
52 gulong a_birth_s
, a_birth_ns
;
57 guint b_pid
, b_tgid
, b_ppid
, b_cpu
;
58 gulong b_birth_s
, b_birth_ns
;
61 gtk_tree_model_get(model
,
63 PROCESS_COLUMN
, &a_name
,
64 BRAND_COLUMN
, &a_brand
,
69 BIRTH_S_COLUMN
, &a_birth_s
,
70 BIRTH_NS_COLUMN
, &a_birth_ns
,
71 TRACE_COLUMN
, &a_trace
,
74 gtk_tree_model_get(model
,
76 PROCESS_COLUMN
, &b_name
,
77 BRAND_COLUMN
, &b_brand
,
82 BIRTH_S_COLUMN
, &b_birth_s
,
83 BIRTH_NS_COLUMN
, &b_birth_ns
,
84 TRACE_COLUMN
, &b_trace
,
89 if(a_pid
== 0 && b_pid
== 0) {
90 /* If 0, order by CPU */
91 if(a_cpu
> b_cpu
) return 1;
92 if(a_cpu
< b_cpu
) return -1;
94 } else { /* if not 0, order by pid */
96 if(a_pid
> b_pid
) return 1;
97 if(a_pid
< b_pid
) return -1;
100 /* Order by birth second */
102 if(a_birth_s
> b_birth_s
) return 1;
103 if(a_birth_s
< b_birth_s
) return -1;
106 /* Order by birth nanosecond */
107 if(a_birth_ns
> b_birth_ns
) return 1;
108 if(a_birth_ns
< b_birth_ns
) return -1;
110 /* Order by trace_num */
111 if(a_trace
> b_trace
) return 1;
112 if(a_trace
< b_trace
) return -1;
118 static guint
process_list_hash_fct(gconstpointer key
)
120 guint pid
= ((const ProcessInfo
*)key
)->pid
;
121 return ((pid
>>8 ^ pid
>>4 ^ pid
>>2 ^ pid
) ^ ((const ProcessInfo
*)key
)->cpu
);
124 /* If hash is good, should be different */
125 static gboolean
process_list_equ_fct(gconstpointer a
, gconstpointer b
)
127 const ProcessInfo
*pa
= (const ProcessInfo
*)a
;
128 const ProcessInfo
*pb
= (const ProcessInfo
*)b
;
132 if(likely(pa
->pid
!= pb
->pid
))
134 if(likely((pa
->pid
== 0 && (pa
->cpu
!= pb
->cpu
))))
136 if(unlikely(ltt_time_compare(pa
->birth
, pb
->birth
) != 0))
138 if(unlikely(pa
->trace_num
!= pb
->trace_num
))
144 void destroy_hash_key(gpointer key
);
146 void destroy_hash_data(gpointer data
);
149 gboolean
scroll_event(GtkWidget
*widget
, GdkEventScroll
*event
, gpointer data
)
151 ControlFlowData
*control_flow_data
=
152 (ControlFlowData
*)g_object_get_data(
154 "control_flow_data");
155 unsigned int cell_height
=
156 get_cell_height(GTK_TREE_VIEW(control_flow_data
->process_list
->process_list_widget
));
158 switch(event
->direction
) {
160 gtk_adjustment_set_value(control_flow_data
->v_adjust
,
161 gtk_adjustment_get_value(control_flow_data
->v_adjust
) - cell_height
);
163 case GDK_SCROLL_DOWN
:
164 gtk_adjustment_set_value(control_flow_data
->v_adjust
,
165 gtk_adjustment_get_value(control_flow_data
->v_adjust
) + cell_height
);
168 g_error("should only scroll up and down.");
174 static void update_index_to_pixmap_each(ProcessInfo
*key
,
175 HashedProcessData
*value
,
176 ProcessList
*process_list
)
178 guint array_index
= processlist_get_index_from_data(process_list
, value
);
180 g_assert(array_index
< process_list
->index_to_pixmap
->len
);
183 (GdkPixmap
**)&g_ptr_array_index(process_list
->index_to_pixmap
, array_index
);
185 *pixmap
= value
->pixmap
;
189 void update_index_to_pixmap(ProcessList
*process_list
)
191 g_ptr_array_set_size(process_list
->index_to_pixmap
,
192 g_hash_table_size(process_list
->process_hash
));
193 g_hash_table_foreach(process_list
->process_hash
,
194 (GHFunc
)update_index_to_pixmap_each
,
199 static void update_pixmap_size_each(ProcessInfo
*key
,
200 HashedProcessData
*value
,
203 GdkPixmap
*old_pixmap
= value
->pixmap
;
206 gdk_pixmap_new(old_pixmap
,
211 gdk_pixmap_unref(old_pixmap
);
215 void update_pixmap_size(ProcessList
*process_list
, guint width
)
217 g_hash_table_foreach(process_list
->process_hash
,
218 (GHFunc
)update_pixmap_size_each
,
219 GUINT_TO_POINTER(width
));
223 typedef struct _CopyPixmap
{
227 gint xsrc
, ysrc
, xdest
, ydest
, width
, height
;
230 static void copy_pixmap_region_each(ProcessInfo
*key
,
231 HashedProcessData
*value
,
234 GdkPixmap
*src
= cp
->src
;
235 GdkPixmap
*dest
= cp
->dest
;
238 dest
= value
->pixmap
;
242 gdk_draw_drawable (dest
,
246 cp
->xdest
, cp
->ydest
,
247 cp
->width
, cp
->height
);
253 void copy_pixmap_region(ProcessList
*process_list
, GdkDrawable
*dest
,
254 GdkGC
*gc
, GdkDrawable
*src
,
255 gint xsrc
, gint ysrc
,
256 gint xdest
, gint ydest
, gint width
, gint height
)
258 CopyPixmap cp
= { dest
, gc
, src
, xsrc
, ysrc
, xdest
, ydest
, width
, height
};
260 g_hash_table_foreach(process_list
->process_hash
,
261 (GHFunc
)copy_pixmap_region_each
,
267 typedef struct _RectanglePixmap
{
269 gint x
, y
, width
, height
;
273 static void rectangle_pixmap_each(ProcessInfo
*key
,
274 HashedProcessData
*value
,
278 rp
->height
= value
->height
;
280 gdk_draw_rectangle (value
->pixmap
,
284 rp
->width
, rp
->height
);
290 void rectangle_pixmap(ProcessList
*process_list
, GdkGC
*gc
,
291 gboolean filled
, gint x
, gint y
, gint width
, gint height
)
293 RectanglePixmap rp
= { filled
, x
, y
, width
, height
, gc
};
295 g_hash_table_foreach(process_list
->process_hash
,
296 (GHFunc
)rectangle_pixmap_each
,
301 /* Renders each pixmaps into on big drawable */
302 void copy_pixmap_to_screen(ProcessList
*process_list
,
306 gint width
, gint height
)
308 if(process_list
->index_to_pixmap
->len
== 0) return;
309 guint cell_height
= process_list
->cell_height
;
312 gint begin
= floor(y
/(double)cell_height
);
313 gint end
= MIN(ceil((y
+height
)/(double)cell_height
),
314 process_list
->index_to_pixmap
->len
);
317 for(i
=begin
; i
<end
; i
++) {
318 g_assert(i
<process_list
->index_to_pixmap
->len
);
319 /* Render the pixmap to the screen */
321 //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
322 GDK_PIXMAP(g_ptr_array_index(process_list
->index_to_pixmap
, i
));
324 gdk_draw_drawable (dest
,
344 ProcessList
*processlist_construct(void)
346 GtkTreeViewColumn
*column
;
347 GtkCellRenderer
*renderer
;
349 ProcessList
* process_list
= g_new(ProcessList
,1);
351 process_list
->number_of_process
= 0;
353 process_list
->current_hash_data
= NULL
;
355 /* Create the Process list */
356 process_list
->list_store
= gtk_list_store_new ( N_COLUMNS
,
368 process_list
->process_list_widget
=
369 gtk_tree_view_new_with_model
370 (GTK_TREE_MODEL (process_list
->list_store
));
372 g_object_unref (G_OBJECT (process_list
->list_store
));
374 gtk_tree_sortable_set_default_sort_func(
375 GTK_TREE_SORTABLE(process_list
->list_store
),
381 gtk_tree_sortable_set_sort_column_id(
382 GTK_TREE_SORTABLE(process_list
->list_store
),
383 GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID
,
387 process_list
->process_hash
= g_hash_table_new_full(
388 process_list_hash_fct
, process_list_equ_fct
,
389 destroy_hash_key
, destroy_hash_data
393 gtk_tree_view_set_headers_visible(
394 GTK_TREE_VIEW(process_list
->process_list_widget
), TRUE
);
396 /* Create a column, associating the "text" attribute of the
397 * cell_renderer to the first column of the model */
398 /* Columns alignment : 0.0 : Left 0.5 : Center 1.0 : Right */
399 renderer
= gtk_cell_renderer_text_new ();
400 process_list
->renderer
= renderer
;
402 /* Add a temporary row to the model to get the cell size when the first
403 * real process is added. */
406 path
= gtk_tree_path_new_first();
407 gtk_tree_model_get_iter (gtk_tree_view_get_model(GTK_TREE_VIEW(process_list
->process_list_widget
)), &iter
, path
);
408 gtk_list_store_append(process_list
->list_store
, &iter
);
409 gtk_tree_path_free(path
);
411 process_list
->cell_height
= 0; // not ready to get size yet.
413 column
= gtk_tree_view_column_new_with_attributes ( "Process",
418 gtk_tree_view_column_set_alignment (column
, 0.0);
419 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_GROW_ONLY
);
420 gtk_tree_view_column_set_resizable(column
, TRUE
);
421 gtk_tree_view_append_column (
422 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
424 process_list
->button
= column
->button
;
426 column
= gtk_tree_view_column_new_with_attributes ( "Brand",
431 gtk_tree_view_column_set_alignment (column
, 0.0);
432 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_GROW_ONLY
);
433 gtk_tree_view_column_set_resizable(column
, TRUE
);
434 gtk_tree_view_append_column (
435 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
437 column
= gtk_tree_view_column_new_with_attributes ( "PID",
442 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_GROW_ONLY
);
443 gtk_tree_view_column_set_resizable(column
, TRUE
);
444 gtk_tree_view_append_column (
445 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
447 column
= gtk_tree_view_column_new_with_attributes ( "TGID",
452 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_GROW_ONLY
);
453 gtk_tree_view_column_set_resizable(column
, TRUE
);
454 gtk_tree_view_append_column (
455 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
457 column
= gtk_tree_view_column_new_with_attributes ( "PPID",
462 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_GROW_ONLY
);
463 gtk_tree_view_column_set_resizable(column
, TRUE
);
464 gtk_tree_view_append_column (
465 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
467 column
= gtk_tree_view_column_new_with_attributes ( "CPU",
472 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_GROW_ONLY
);
473 gtk_tree_view_column_set_resizable(column
, TRUE
);
474 gtk_tree_view_append_column (
475 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
477 column
= gtk_tree_view_column_new_with_attributes ( "Birth sec",
482 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_GROW_ONLY
);
483 gtk_tree_view_column_set_resizable(column
, TRUE
);
484 gtk_tree_view_append_column (
485 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
487 //gtk_tree_view_column_set_visible(column, 0);
489 column
= gtk_tree_view_column_new_with_attributes ( "Birth nsec",
494 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_GROW_ONLY
);
495 gtk_tree_view_column_set_resizable(column
, TRUE
);
496 gtk_tree_view_append_column (
497 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
499 column
= gtk_tree_view_column_new_with_attributes ( "TRACE",
504 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_GROW_ONLY
);
505 gtk_tree_view_column_set_resizable(column
, TRUE
);
506 gtk_tree_view_append_column (
507 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
510 //gtk_tree_view_column_set_visible(column, 0);
512 g_object_set_data_full(
513 G_OBJECT(process_list
->process_list_widget
),
516 (GDestroyNotify
)processlist_destroy
);
518 process_list
->index_to_pixmap
= g_ptr_array_sized_new(ALLOCATE_PROCESSES
);
523 void processlist_destroy(ProcessList
*process_list
)
525 g_debug("processlist_destroy %p", process_list
);
526 g_hash_table_destroy(process_list
->process_hash
);
527 process_list
->process_hash
= NULL
;
528 g_ptr_array_free(process_list
->index_to_pixmap
, TRUE
);
530 g_free(process_list
);
531 g_debug("processlist_destroy end");
534 static gboolean
remove_hash_item(ProcessInfo
*process_info
,
535 HashedProcessData
*hashed_process_data
,
536 ProcessList
*process_list
)
540 iter
= hashed_process_data
->y_iter
;
542 gtk_list_store_remove (process_list
->list_store
, &iter
);
543 gdk_pixmap_unref(hashed_process_data
->pixmap
);
545 if(likely(process_list
->current_hash_data
!= NULL
)) {
546 if(likely(hashed_process_data
==
547 process_list
->current_hash_data
[process_info
->trace_num
][process_info
->cpu
]))
548 process_list
->current_hash_data
[process_info
->trace_num
][process_info
->cpu
] = NULL
;
550 return TRUE
; /* remove the element from the hash table */
553 void processlist_clear(ProcessList
*process_list
)
555 g_info("processlist_clear %p", process_list
);
557 g_hash_table_foreach_remove(process_list
->process_hash
,
558 (GHRFunc
)remove_hash_item
,
559 (gpointer
)process_list
);
560 process_list
->number_of_process
= 0;
561 update_index_to_pixmap(process_list
);
565 GtkWidget
*processlist_get_widget(ProcessList
*process_list
)
567 return process_list
->process_list_widget
;
571 void destroy_hash_key(gpointer key
)
576 void destroy_hash_data(gpointer data
)
582 void processlist_set_name(ProcessList
*process_list
,
584 HashedProcessData
*hashed_process_data
)
586 gtk_list_store_set ( process_list
->list_store
, &hashed_process_data
->y_iter
,
587 PROCESS_COLUMN
, g_quark_to_string(name
),
591 void processlist_set_brand(ProcessList
*process_list
,
593 HashedProcessData
*hashed_process_data
)
595 gtk_list_store_set ( process_list
->list_store
, &hashed_process_data
->y_iter
,
596 BRAND_COLUMN
, g_quark_to_string(brand
),
600 void processlist_set_tgid(ProcessList
*process_list
,
602 HashedProcessData
*hashed_process_data
)
604 gtk_list_store_set ( process_list
->list_store
, &hashed_process_data
->y_iter
,
609 void processlist_set_ppid(ProcessList
*process_list
,
611 HashedProcessData
*hashed_process_data
)
613 gtk_list_store_set ( process_list
->list_store
, &hashed_process_data
->y_iter
,
619 int processlist_add( ProcessList
*process_list
,
630 ProcessInfo
**pm_process_info
,
631 HashedProcessData
**pm_hashed_process_data
)
633 ProcessInfo
*Process_Info
= g_new(ProcessInfo
, 1);
634 HashedProcessData
*hashed_process_data
= g_new(HashedProcessData
, 1);
635 *pm_hashed_process_data
= hashed_process_data
;
636 *pm_process_info
= Process_Info
;
638 Process_Info
->pid
= pid
;
639 Process_Info
->tgid
= tgid
;
641 Process_Info
->cpu
= cpu
;
643 Process_Info
->cpu
= 0;
644 Process_Info
->ppid
= ppid
;
645 Process_Info
->birth
= *birth
;
646 Process_Info
->trace_num
= trace_num
;
648 /* When we create it from before state update, we are sure that the
649 * last event occured before the beginning of the global area.
651 * If it is created after state update, this value (0) will be
652 * overriden by the new state before anything is drawn.
654 hashed_process_data
->x
.over
= 0;
655 hashed_process_data
->x
.over_used
= FALSE
;
656 hashed_process_data
->x
.over_marked
= FALSE
;
657 hashed_process_data
->x
.middle
= 0;
658 hashed_process_data
->x
.middle_used
= FALSE
;
659 hashed_process_data
->x
.middle_marked
= FALSE
;
660 hashed_process_data
->x
.under
= 0;
661 hashed_process_data
->x
.under_used
= FALSE
;
662 hashed_process_data
->x
.under_marked
= FALSE
;
663 hashed_process_data
->next_good_time
= ltt_time_zero
;
665 if (process_list
->cell_height
== 0) {
670 path
= gtk_tree_path_new_first();
671 gtk_tree_model_get_iter (gtk_tree_view_get_model(GTK_TREE_VIEW(process_list
->process_list_widget
)), &iter
, path
);
672 gtk_tree_view_get_background_area(
673 GTK_TREE_VIEW(process_list
->process_list_widget
),
675 gtk_list_store_remove(process_list
->list_store
, &iter
);
676 gtk_tree_path_free (path
);
677 process_list
->cell_height
= rect
.height
;
680 /* Add a new row to the model */
681 gtk_list_store_append ( process_list
->list_store
,
682 &hashed_process_data
->y_iter
);
684 gtk_list_store_set ( process_list
->list_store
, &hashed_process_data
->y_iter
,
685 PROCESS_COLUMN
, g_quark_to_string(name
),
686 BRAND_COLUMN
, g_quark_to_string(brand
),
691 BIRTH_S_COLUMN
, birth
->tv_sec
,
692 BIRTH_NS_COLUMN
, birth
->tv_nsec
,
693 TRACE_COLUMN
, trace_num
,
695 //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
696 // GTK_TREE_MODEL(process_list->list_store));
697 //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
699 g_hash_table_insert(process_list
->process_hash
,
700 (gpointer
)Process_Info
,
701 (gpointer
)hashed_process_data
);
703 process_list
->number_of_process
++;
707 gtk_widget_queue_draw(process_list
->process_list_widget
);
708 path
= gtk_tree_path_new_first();
709 gtk_tree_view_get_background_area(GTK_TREE_VIEW(process_list
->process_list_widget
),
711 gtk_tree_path_free (path
);
712 process_list
->cell_height
= rect
.height
;
716 hashed_process_data
->height
= process_list
->cell_height
;
717 g_assert(hashed_process_data
->height
!= 0);
719 *height
= hashed_process_data
->height
* process_list
->number_of_process
;
721 hashed_process_data
->pixmap
=
722 gdk_pixmap_new(drawing
->drawing_area
->window
,
723 drawing
->alloc_width
,
724 hashed_process_data
->height
,
728 gdk_draw_rectangle (hashed_process_data
->pixmap
,
729 drawing
->drawing_area
->style
->black_gc
,
732 drawing
->alloc_width
,
733 hashed_process_data
->height
);
735 update_index_to_pixmap(process_list
);
741 int processlist_remove( ProcessList
*process_list
,
747 ProcessInfo process_info
;
748 HashedProcessData
*hashed_process_data
;
751 process_info
.pid
= pid
;
753 process_info
.cpu
= cpu
;
755 process_info
.cpu
= 0;
756 process_info
.birth
= *birth
;
757 process_info
.trace_num
= trace_num
;
760 hashed_process_data
=
761 (HashedProcessData
*)g_hash_table_lookup(
762 process_list
->process_hash
,
764 if(likely(hashed_process_data
!= NULL
))
766 iter
= hashed_process_data
->y_iter
;
768 gtk_list_store_remove (process_list
->list_store
, &iter
);
770 g_hash_table_remove(process_list
->process_hash
,
773 if(likely(process_list
->current_hash_data
!= NULL
)) {
774 if(likely(hashed_process_data
== process_list
->current_hash_data
[trace_num
][cpu
])) {
775 process_list
->current_hash_data
[trace_num
][cpu
] = NULL
;
779 gdk_pixmap_unref(hashed_process_data
->pixmap
);
781 update_index_to_pixmap(process_list
);
783 process_list
->number_of_process
--;
793 static inline guint
get_cpu_number_from_name(GQuark name
)
799 string
= g_quark_to_string(name
);
801 begin
= strrchr(string
, '/');
804 g_assert(begin
!= '\0');
806 cpu
= strtoul(begin
, NULL
, 10);