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)
35 #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
37 /* Preallocated Size of the index_to_pixmap array */
38 #define ALLOCATE_PROCESSES 1000
40 /*****************************************************************************
41 * Methods to synchronize process list *
42 *****************************************************************************/
45 gint
process_sort_func ( GtkTreeModel
*model
,
51 guint a_pid
, a_ppid
, a_cpu
;
52 gulong a_birth_s
, a_birth_ns
;
56 guint b_pid
, b_ppid
, b_cpu
;
57 gulong b_birth_s
, b_birth_ns
;
60 gtk_tree_model_get(model
,
71 gtk_tree_model_get(model
,
84 if(a_pid
== 0 && b_pid
== 0) {
85 /* If 0, order by CPU */
86 if(a_cpu
> b_cpu
) return 1;
87 if(a_cpu
< b_cpu
) return -1;
89 } else { /* if not 0, order by pid */
91 if(a_pid
> b_pid
) return 1;
92 if(a_pid
< b_pid
) return -1;
95 /* Order by birth second */
97 if(a_birth_s
> b_birth_s
) return 1;
98 if(a_birth_s
< b_birth_s
) return -1;
101 /* Order by birth nanosecond */
102 if(a_birth_ns
> b_birth_ns
) return 1;
103 if(a_birth_ns
< b_birth_ns
) return -1;
105 /* Order by trace_num */
106 if(a_trace
> b_trace
) return 1;
107 if(a_trace
< b_trace
) return -1;
113 static guint
process_list_hash_fct(gconstpointer key
)
115 guint pid
= ((const ProcessInfo
*)key
)->pid
;
116 return ((pid
>>8 ^ pid
>>4 ^ pid
>>2 ^ pid
) ^ ((const ProcessInfo
*)key
)->cpu
);
119 /* If hash is good, should be different */
120 static gboolean
process_list_equ_fct(gconstpointer a
, gconstpointer b
)
122 const ProcessInfo
*pa
= (const ProcessInfo
*)a
;
123 const ProcessInfo
*pb
= (const ProcessInfo
*)b
;
127 if(likely(pa
->pid
!= pb
->pid
))
129 if(likely((pa
->pid
== 0 && (pa
->cpu
!= pb
->cpu
))))
131 if(unlikely(ltt_time_compare(pa
->birth
, pb
->birth
) != 0))
133 if(unlikely(pa
->trace_num
!= pb
->trace_num
))
139 void destroy_hash_key(gpointer key
);
141 void destroy_hash_data(gpointer data
);
144 gboolean
scroll_event(GtkWidget
*widget
, GdkEventScroll
*event
, gpointer data
)
146 ControlFlowData
*control_flow_data
=
147 (ControlFlowData
*)g_object_get_data(
149 "control_flow_data");
150 Drawing_t
*drawing
= control_flow_data
->drawing
;
151 unsigned int cell_height
=
152 get_cell_height(GTK_TREE_VIEW(control_flow_data
->process_list
->process_list_widget
));
154 switch(event
->direction
) {
156 gtk_adjustment_set_value(control_flow_data
->v_adjust
,
157 gtk_adjustment_get_value(control_flow_data
->v_adjust
) - cell_height
);
159 case GDK_SCROLL_DOWN
:
160 gtk_adjustment_set_value(control_flow_data
->v_adjust
,
161 gtk_adjustment_get_value(control_flow_data
->v_adjust
) + cell_height
);
164 g_error("should only scroll up and down.");
170 static void update_index_to_pixmap_each(ProcessInfo
*key
,
171 HashedProcessData
*value
,
172 ProcessList
*process_list
)
174 guint array_index
= processlist_get_index_from_data(process_list
, value
);
176 g_assert(array_index
< process_list
->index_to_pixmap
->len
);
179 (GdkPixmap
**)&g_ptr_array_index(process_list
->index_to_pixmap
, array_index
);
181 *pixmap
= value
->pixmap
;
185 void update_index_to_pixmap(ProcessList
*process_list
)
187 g_ptr_array_set_size(process_list
->index_to_pixmap
,
188 g_hash_table_size(process_list
->process_hash
));
189 g_hash_table_foreach(process_list
->process_hash
,
190 (GHFunc
)update_index_to_pixmap_each
,
195 static void update_pixmap_size_each(ProcessInfo
*key
,
196 HashedProcessData
*value
,
199 GdkPixmap
*old_pixmap
= value
->pixmap
;
202 gdk_pixmap_new(old_pixmap
,
207 gdk_pixmap_unref(old_pixmap
);
211 void update_pixmap_size(ProcessList
*process_list
, guint width
)
213 g_hash_table_foreach(process_list
->process_hash
,
214 (GHFunc
)update_pixmap_size_each
,
219 typedef struct _CopyPixmap
{
223 gint xsrc
, ysrc
, xdest
, ydest
, width
, height
;
226 static void copy_pixmap_region_each(ProcessInfo
*key
,
227 HashedProcessData
*value
,
230 GdkPixmap
*src
= cp
->src
;
231 GdkPixmap
*dest
= cp
->dest
;
234 dest
= value
->pixmap
;
238 gdk_draw_drawable (dest
,
242 cp
->xdest
, cp
->ydest
,
243 cp
->width
, cp
->height
);
249 void copy_pixmap_region(ProcessList
*process_list
, GdkDrawable
*dest
,
250 GdkGC
*gc
, GdkDrawable
*src
,
251 gint xsrc
, gint ysrc
,
252 gint xdest
, gint ydest
, gint width
, gint height
)
254 CopyPixmap cp
= { dest
, gc
, src
, xsrc
, ysrc
, xdest
, ydest
, width
, height
};
256 g_hash_table_foreach(process_list
->process_hash
,
257 (GHFunc
)copy_pixmap_region_each
,
263 typedef struct _RectanglePixmap
{
265 gint x
, y
, width
, height
;
269 static void rectangle_pixmap_each(ProcessInfo
*key
,
270 HashedProcessData
*value
,
274 rp
->height
= value
->height
;
276 gdk_draw_rectangle (value
->pixmap
,
280 rp
->width
, rp
->height
);
286 void rectangle_pixmap(ProcessList
*process_list
, GdkGC
*gc
,
287 gboolean filled
, gint x
, gint y
, gint width
, gint height
)
289 RectanglePixmap rp
= { filled
, x
, y
, width
, height
, gc
};
291 g_hash_table_foreach(process_list
->process_hash
,
292 (GHFunc
)rectangle_pixmap_each
,
297 /* Renders each pixmaps into on big drawable */
298 void copy_pixmap_to_screen(ProcessList
*process_list
,
302 gint width
, gint height
)
304 if(process_list
->index_to_pixmap
->len
== 0) return;
305 guint cell_height
= process_list
->cell_height
;
308 gint begin
= floor(y
/(double)cell_height
);
309 gint end
= MIN(ceil((y
+height
)/(double)cell_height
),
310 process_list
->index_to_pixmap
->len
);
313 for(i
=begin
; i
<end
; i
++) {
314 g_assert(i
<process_list
->index_to_pixmap
->len
);
315 /* Render the pixmap to the screen */
317 //(GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
318 GDK_PIXMAP(g_ptr_array_index(process_list
->index_to_pixmap
, i
));
320 gdk_draw_drawable (dest
,
340 ProcessList
*processlist_construct(void)
342 GtkTreeViewColumn
*column
;
343 GtkCellRenderer
*renderer
;
345 ProcessList
* process_list
= g_new(ProcessList
,1);
347 process_list
->number_of_process
= 0;
349 process_list
->current_hash_data
= NULL
;
351 /* Create the Process list */
352 process_list
->list_store
= gtk_list_store_new ( N_COLUMNS
,
362 process_list
->process_list_widget
=
363 gtk_tree_view_new_with_model
364 (GTK_TREE_MODEL (process_list
->list_store
));
366 g_object_unref (G_OBJECT (process_list
->list_store
));
368 gtk_tree_sortable_set_default_sort_func(
369 GTK_TREE_SORTABLE(process_list
->list_store
),
375 gtk_tree_sortable_set_sort_column_id(
376 GTK_TREE_SORTABLE(process_list
->list_store
),
377 GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID
,
381 process_list
->process_hash
= g_hash_table_new_full(
382 process_list_hash_fct
, process_list_equ_fct
,
383 destroy_hash_key
, destroy_hash_data
387 gtk_tree_view_set_headers_visible(
388 GTK_TREE_VIEW(process_list
->process_list_widget
), TRUE
);
390 /* Create a column, associating the "text" attribute of the
391 * cell_renderer to the first column of the model */
392 /* Columns alignment : 0.0 : Left 0.5 : Center 1.0 : Right */
393 renderer
= gtk_cell_renderer_text_new ();
394 process_list
->renderer
= renderer
;
396 gint vertical_separator
;
397 gtk_widget_style_get (GTK_WIDGET (process_list
->process_list_widget
),
398 "vertical-separator", &vertical_separator
,
400 gtk_cell_renderer_get_size(renderer
,
401 GTK_WIDGET(process_list
->process_list_widget
),
406 &process_list
->cell_height
);
408 #if GTK_CHECK_VERSION(2,4,15)
410 g_object_get(G_OBJECT(renderer
), "ypad", &ypad
, NULL
);
412 process_list
->cell_height
+= ypad
;
414 process_list
->cell_height
+= vertical_separator
;
417 column
= gtk_tree_view_column_new_with_attributes ( "Process",
422 gtk_tree_view_column_set_alignment (column
, 0.0);
423 gtk_tree_view_column_set_fixed_width (column
, 45);
424 gtk_tree_view_append_column (
425 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
427 process_list
->button
= column
->button
;
429 column
= gtk_tree_view_column_new_with_attributes ( "PID",
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 ( "PPID",
442 gtk_tree_view_append_column (
443 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
445 column
= gtk_tree_view_column_new_with_attributes ( "CPU",
450 gtk_tree_view_append_column (
451 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
453 column
= gtk_tree_view_column_new_with_attributes ( "Birth sec",
458 gtk_tree_view_append_column (
459 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
461 //gtk_tree_view_column_set_visible(column, 0);
463 column
= gtk_tree_view_column_new_with_attributes ( "Birth nsec",
468 gtk_tree_view_append_column (
469 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
471 column
= gtk_tree_view_column_new_with_attributes ( "TRACE",
476 gtk_tree_view_append_column (
477 GTK_TREE_VIEW (process_list
->process_list_widget
), column
);
480 //gtk_tree_view_column_set_visible(column, 0);
482 g_object_set_data_full(
483 G_OBJECT(process_list
->process_list_widget
),
486 (GDestroyNotify
)processlist_destroy
);
488 process_list
->index_to_pixmap
= g_ptr_array_sized_new(ALLOCATE_PROCESSES
);
493 void processlist_destroy(ProcessList
*process_list
)
495 g_debug("processlist_destroy %p", process_list
);
496 g_hash_table_destroy(process_list
->process_hash
);
497 process_list
->process_hash
= NULL
;
498 g_ptr_array_free(process_list
->index_to_pixmap
, TRUE
);
500 g_free(process_list
);
501 g_debug("processlist_destroy end");
504 static gboolean
remove_hash_item(ProcessInfo
*process_info
,
505 HashedProcessData
*hashed_process_data
,
506 ProcessList
*process_list
)
510 iter
= hashed_process_data
->y_iter
;
512 gtk_list_store_remove (process_list
->list_store
, &iter
);
513 gdk_pixmap_unref(hashed_process_data
->pixmap
);
515 if(likely(process_list
->current_hash_data
!= NULL
)) {
516 if(likely(hashed_process_data
==
517 process_list
->current_hash_data
[process_info
->cpu
]))
518 process_list
->current_hash_data
[process_info
->cpu
] = NULL
;
520 return TRUE
; /* remove the element from the hash table */
523 void processlist_clear(ProcessList
*process_list
)
525 g_info("processlist_clear %p", process_list
);
527 g_hash_table_foreach_remove(process_list
->process_hash
,
528 (GHRFunc
)remove_hash_item
,
529 (gpointer
)process_list
);
530 process_list
->number_of_process
= 0;
531 update_index_to_pixmap(process_list
);
535 GtkWidget
*processlist_get_widget(ProcessList
*process_list
)
537 return process_list
->process_list_widget
;
541 void destroy_hash_key(gpointer key
)
546 void destroy_hash_data(gpointer data
)
552 void processlist_set_name(ProcessList
*process_list
,
554 HashedProcessData
*hashed_process_data
)
556 gtk_list_store_set ( process_list
->list_store
, &hashed_process_data
->y_iter
,
557 PROCESS_COLUMN
, g_quark_to_string(name
),
561 void processlist_set_ppid(ProcessList
*process_list
,
563 HashedProcessData
*hashed_process_data
)
565 gtk_list_store_set ( process_list
->list_store
, &hashed_process_data
->y_iter
,
571 int processlist_add( ProcessList
*process_list
,
580 ProcessInfo
**pm_process_info
,
581 HashedProcessData
**pm_hashed_process_data
)
583 ProcessInfo
*Process_Info
= g_new(ProcessInfo
, 1);
584 HashedProcessData
*hashed_process_data
= g_new(HashedProcessData
, 1);
585 *pm_hashed_process_data
= hashed_process_data
;
586 *pm_process_info
= Process_Info
;
588 Process_Info
->pid
= pid
;
590 Process_Info
->cpu
= cpu
;
592 Process_Info
->cpu
= 0;
593 Process_Info
->ppid
= ppid
;
594 Process_Info
->birth
= *birth
;
595 Process_Info
->trace_num
= trace_num
;
597 /* When we create it from before state update, we are sure that the
598 * last event occured before the beginning of the global area.
600 * If it is created after state update, this value (0) will be
601 * overriden by the new state before anything is drawn.
603 hashed_process_data
->x
.over
= 0;
604 hashed_process_data
->x
.over_used
= FALSE
;
605 hashed_process_data
->x
.over_marked
= FALSE
;
606 hashed_process_data
->x
.middle
= 0;
607 hashed_process_data
->x
.middle_used
= FALSE
;
608 hashed_process_data
->x
.middle_marked
= FALSE
;
609 hashed_process_data
->x
.under
= 0;
610 hashed_process_data
->x
.under_used
= FALSE
;
611 hashed_process_data
->x
.under_marked
= FALSE
;
612 hashed_process_data
->next_good_time
= ltt_time_zero
;
614 /* Add a new row to the model */
615 gtk_list_store_append ( process_list
->list_store
,
616 &hashed_process_data
->y_iter
);
618 gtk_list_store_set ( process_list
->list_store
, &hashed_process_data
->y_iter
,
619 PROCESS_COLUMN
, g_quark_to_string(name
),
623 BIRTH_S_COLUMN
, birth
->tv_sec
,
624 BIRTH_NS_COLUMN
, birth
->tv_nsec
,
625 TRACE_COLUMN
, trace_num
,
627 //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
628 // GTK_TREE_MODEL(process_list->list_store));
629 //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
631 g_hash_table_insert(process_list
->process_hash
,
632 (gpointer
)Process_Info
,
633 (gpointer
)hashed_process_data
);
635 process_list
->number_of_process
++;
637 hashed_process_data
->height
= process_list
->cell_height
;
639 g_assert(hashed_process_data
->height
!= 0);
641 *height
= hashed_process_data
->height
* process_list
->number_of_process
;
643 hashed_process_data
->pixmap
=
644 gdk_pixmap_new(drawing
->drawing_area
->window
,
645 drawing
->alloc_width
,
646 hashed_process_data
->height
,
650 gdk_draw_rectangle (hashed_process_data
->pixmap
,
651 drawing
->drawing_area
->style
->black_gc
,
654 drawing
->alloc_width
,
655 hashed_process_data
->height
);
657 update_index_to_pixmap(process_list
);
663 int processlist_remove( ProcessList
*process_list
,
669 ProcessInfo process_info
;
670 HashedProcessData
*hashed_process_data
;
673 process_info
.pid
= pid
;
675 process_info
.cpu
= cpu
;
677 process_info
.cpu
= 0;
678 process_info
.birth
= *birth
;
679 process_info
.trace_num
= trace_num
;
682 hashed_process_data
=
683 (HashedProcessData
*)g_hash_table_lookup(
684 process_list
->process_hash
,
686 if(likely(hashed_process_data
!= NULL
))
688 iter
= hashed_process_data
->y_iter
;
690 gtk_list_store_remove (process_list
->list_store
, &iter
);
692 g_hash_table_remove(process_list
->process_hash
,
695 if(likely(process_list
->current_hash_data
!= NULL
)) {
696 if(likely(hashed_process_data
== process_list
->current_hash_data
[cpu
])) {
697 process_list
->current_hash_data
[cpu
] = NULL
;
701 gdk_pixmap_unref(hashed_process_data
->pixmap
);
703 update_index_to_pixmap(process_list
);
705 process_list
->number_of_process
--;
715 static inline guint
get_cpu_number_from_name(GQuark name
)
721 string
= g_quark_to_string(name
);
723 begin
= strrchr(string
, '/');
726 g_assert(begin
!= '\0');
728 cpu
= strtoul(begin
, NULL
, 10);