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1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2005 Peter Ho |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License Version 2 as |
6 | * published by the Free Software Foundation; |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License |
14 | * along with this program; if not, write to the Free Software |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
16 | * MA 02111-1307, USA. |
17 | */ |
18 | |
19 | |
20 | |
21 | #include <math.h> |
22 | #include <glib.h> |
23 | #include <gtk/gtk.h> |
24 | #include <gdk/gdk.h> |
25 | #include <stdio.h> |
26 | #include <stdlib.h> |
27 | #include <string.h> |
28 | #include <ltt/ltt.h> |
29 | #include <ltt/event.h> |
30 | #include <ltt/type.h> |
31 | #include <ltt/trace.h> |
32 | #include <ltt/facility.h> |
33 | #include <lttv/module.h> |
34 | #include <lttv/hook.h> |
35 | #include <lttv/tracecontext.h> |
36 | #include <lttv/state.h> |
37 | #include <lttv/filter.h> |
38 | #include <lttvwindow/lttvwindow.h> |
39 | #include <ltt/time.h> |
40 | |
41 | #include "hInterruptsInsert.xpm" |
42 | |
43 | #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format) |
44 | #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format) |
45 | #define NO_ITEMS 0 |
46 | |
47 | typedef struct { |
48 | guint cpu_id; |
49 | guint id; |
50 | guint frequency; |
51 | LttTime total_duration; |
52 | }Irq; |
53 | |
54 | typedef struct { |
55 | guint id; |
56 | guint cpu_id; |
57 | LttTime event_time; |
58 | }irq_entry; |
59 | |
60 | enum type_t { |
61 | IRQ_ENTRY, |
62 | IRQ_EXIT |
63 | }; |
64 | |
65 | /** Array containing instanced objects. Used when module is unloaded */ |
66 | static GSList *interrupt_data_list = NULL ; |
67 | |
68 | |
69 | typedef struct _InterruptEventData { |
70 | |
71 | Tab * tab; |
72 | LttvHooks * event_hooks; |
73 | LttvHooks * hooks_trace_after; |
74 | LttvHooks * hooks_trace_before; |
75 | TimeWindow time_window; // time window |
76 | GtkWidget * scroll_win; |
77 | /* Model containing list data */ |
78 | GtkListStore *store_m; |
79 | GtkWidget *hbox_v; |
80 | /* Widget to display the data in a columned list */ |
81 | GtkWidget *tree_v; |
82 | /* Selection handler */ |
83 | GtkTreeSelection *select_c; |
84 | GtkWidget *container; |
85 | GArray *interrupt_counters; |
86 | GArray *active_irq_entry ; |
87 | } InterruptEventData ; |
88 | |
89 | |
90 | |
91 | static gboolean interrupt_update_time_window(void * hook_data, void * call_data); |
92 | // Event Viewer's constructor hook |
93 | GtkWidget *interrupts(Tab *tab); |
94 | // Event Viewer's constructor |
95 | InterruptEventData *system_info(Tab *tab); |
96 | // Event Viewer's destructor |
97 | void interrupt_destructor(InterruptEventData *event_viewer_data); |
98 | void gui_events_free(InterruptEventData *event_viewer_data); |
99 | static void request_event( InterruptEventData *event_data); |
100 | /* Prototype for selection handler callback */ |
101 | |
102 | static void v_scroll_cb (GtkAdjustment *adjustment, gpointer data); |
103 | |
104 | static gboolean trace_header(void *hook_data, void *call_data); |
105 | static gboolean parse_event(void *hook_data, void *call_data); |
106 | static gboolean interrupt_show(void *hook_data, void *call_data); |
107 | |
108 | static void calcul_duration(LttTime time_exit, guint cpu_id, InterruptEventData *event_data); |
109 | static void sum_interrupt_data(irq_entry *e, LttTime time_exit, GArray *interrupt_counters); |
110 | /* Enumeration of the columns */ |
111 | enum{ |
112 | CPUID_COLUMN, |
113 | IRQ_ID_COLUMN, |
114 | FREQUENCY_COLUMN, |
115 | DURATION_COLUMN, |
116 | N_COLUMNS |
117 | }; |
118 | |
119 | |
120 | /** |
121 | * Event Viewer's constructor hook |
122 | * |
123 | * This constructor is given as a parameter to the menuitem and toolbar button |
124 | * registration. It creates the list. |
125 | * @param parent_window A pointer to the parent window. |
126 | * @return The widget created. |
127 | */ |
128 | GtkWidget *interrupts(Tab * tab){ |
129 | InterruptEventData* event_data = system_info(tab) ; |
130 | if(event_data) |
131 | return event_data->hbox_v; |
132 | else |
133 | return NULL; |
134 | } |
135 | |
136 | /** |
137 | * Event Viewer's constructor |
138 | * |
139 | * This constructor is used to create InterruptEventData data structure. |
140 | * @return The Event viewer data created. |
141 | */ |
142 | InterruptEventData *system_info(Tab *tab) |
143 | { |
144 | LttTime end; |
145 | GtkTreeViewColumn *column; |
146 | GtkCellRenderer *renderer; |
147 | InterruptEventData* event_viewer_data = g_new(InterruptEventData,1) ; |
148 | g_info("system_info \n"); |
149 | |
150 | event_viewer_data->tab = tab; |
151 | event_viewer_data->time_window = lttvwindow_get_time_window(tab); |
152 | event_viewer_data->interrupt_counters = g_array_new(FALSE, FALSE, sizeof(Irq)); |
153 | event_viewer_data->active_irq_entry = g_array_new(FALSE, FALSE, sizeof(irq_entry)); |
154 | |
155 | lttvwindow_register_time_window_notify(tab, |
156 | interrupt_update_time_window, |
157 | event_viewer_data); |
158 | |
159 | event_viewer_data->scroll_win = gtk_scrolled_window_new (NULL, NULL); |
160 | gtk_widget_show (event_viewer_data->scroll_win); |
161 | gtk_scrolled_window_set_policy( |
162 | GTK_SCROLLED_WINDOW(event_viewer_data->scroll_win), |
163 | GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC/*GTK_POLICY_NEVER*/); |
164 | |
165 | /* Create a model for storing the data list */ |
166 | event_viewer_data->store_m = gtk_list_store_new ( |
167 | N_COLUMNS, /* Total number of columns */ |
168 | G_TYPE_INT, /* CPUID */ |
169 | G_TYPE_INT, /* IRQ_ID */ |
170 | G_TYPE_INT, /* Frequency */ |
171 | G_TYPE_UINT64 /* Duration */ |
172 | ); |
173 | |
174 | event_viewer_data->tree_v = gtk_tree_view_new_with_model (GTK_TREE_MODEL (event_viewer_data->store_m)); |
175 | |
176 | g_object_unref (G_OBJECT (event_viewer_data->store_m)); |
177 | |
178 | renderer = gtk_cell_renderer_text_new (); |
179 | column = gtk_tree_view_column_new_with_attributes ("CPUID", |
180 | renderer, |
181 | "text", CPUID_COLUMN, |
182 | NULL); |
183 | gtk_tree_view_column_set_alignment (column, 0.0); |
184 | gtk_tree_view_column_set_fixed_width (column, 45); |
185 | gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data->tree_v), column); |
186 | |
187 | |
188 | renderer = gtk_cell_renderer_text_new (); |
189 | column = gtk_tree_view_column_new_with_attributes ("IrqId", |
190 | renderer, |
191 | "text", IRQ_ID_COLUMN, |
192 | NULL); |
193 | gtk_tree_view_column_set_alignment (column, 0.0); |
194 | gtk_tree_view_column_set_fixed_width (column, 220); |
195 | gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data->tree_v), column); |
196 | |
197 | renderer = gtk_cell_renderer_text_new (); |
198 | column = gtk_tree_view_column_new_with_attributes ("Frequency", |
199 | renderer, |
200 | "text", FREQUENCY_COLUMN, |
201 | NULL); |
202 | gtk_tree_view_column_set_alignment (column, 1.0); |
203 | gtk_tree_view_column_set_fixed_width (column, 220); |
204 | gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data->tree_v), column); |
205 | |
206 | renderer = gtk_cell_renderer_text_new (); |
207 | column = gtk_tree_view_column_new_with_attributes ("Duration (nsec)", |
208 | renderer, |
209 | "text", DURATION_COLUMN, |
210 | NULL); |
211 | gtk_tree_view_column_set_alignment (column, 0.0); |
212 | gtk_tree_view_column_set_fixed_width (column, 145); |
213 | gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data->tree_v), column); |
214 | |
215 | event_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (event_viewer_data->tree_v)); |
216 | gtk_tree_selection_set_mode (event_viewer_data->select_c, GTK_SELECTION_SINGLE); |
217 | |
218 | gtk_container_add (GTK_CONTAINER (event_viewer_data->scroll_win), event_viewer_data->tree_v); |
219 | |
220 | event_viewer_data->hbox_v = gtk_hbox_new(0, 0); |
221 | gtk_box_pack_start(GTK_BOX(event_viewer_data->hbox_v), event_viewer_data->scroll_win, TRUE, TRUE, 0); |
222 | |
223 | gtk_widget_show(event_viewer_data->hbox_v); |
224 | gtk_widget_show(event_viewer_data->tree_v); |
225 | |
226 | interrupt_data_list = g_slist_append(interrupt_data_list, event_viewer_data); |
227 | |
228 | request_event(event_viewer_data); |
229 | return event_viewer_data; |
230 | } |
231 | |
232 | void v_scroll_cb(GtkAdjustment *adjustment, gpointer data){ |
233 | InterruptEventData *event_data = (InterruptEventData*)data; |
234 | GtkTreePath *tree_path; |
235 | g_info("enter v_scroll_cb\n"); |
236 | } |
237 | |
238 | void gui_events_free(InterruptEventData *event_viewer_data) |
239 | { |
240 | Tab *tab = event_viewer_data->tab; |
241 | |
242 | if(event_viewer_data){ |
243 | lttv_hooks_remove(event_viewer_data->event_hooks,parse_event); |
244 | lttv_hooks_destroy(event_viewer_data->event_hooks); |
245 | |
246 | interrupt_data_list = g_slist_remove(interrupt_data_list, event_viewer_data); |
247 | g_free(event_viewer_data); |
248 | } |
249 | } |
250 | |
251 | void interrupt_destructor(InterruptEventData *event_viewer_data) |
252 | { |
253 | /* May already been done by GTK window closing */ |
254 | g_info("enter interrupt_destructor \n"); |
255 | if(GTK_IS_WIDGET(event_viewer_data->hbox_v)){ |
256 | gtk_widget_destroy(event_viewer_data->hbox_v); |
257 | } |
258 | } |
259 | |
260 | static guint64 get_event_detail(LttEvent *e, LttField *f){ |
261 | |
262 | LttType *type; |
263 | LttField *element; |
264 | GQuark name; |
265 | int nb, i; |
266 | guint64 irq_id; |
267 | type = ltt_field_type(f); |
268 | nb = ltt_type_member_number(type); |
269 | for(i = 0 ; i < nb-1 ; i++) { |
270 | element = ltt_field_member(f,i); |
271 | ltt_type_member_type(type, i, &name); |
272 | irq_id = ltt_event_get_long_unsigned(e,element); |
273 | } |
274 | return irq_id; |
275 | } |
276 | |
277 | |
278 | |
279 | |
280 | gboolean trace_header(void *hook_data, void *call_data){ |
281 | |
282 | InterruptEventData *event_data = (InterruptEventData *)hook_data; |
283 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
284 | LttEvent *e; |
285 | LttTime event_time; |
286 | return FALSE; |
287 | } |
288 | |
289 | static gboolean interrupt_show(void *hook_data, void *call_data){ |
290 | |
291 | gint i; |
292 | Irq element; |
293 | LttTime average_duration; |
294 | GtkTreeIter iter; |
295 | guint64 real_data; |
296 | InterruptEventData *event_data = (InterruptEventData *)hook_data; |
297 | GArray *interrupt_counters = event_data->interrupt_counters; |
298 | g_info("interrupts: interrupt_show() \n"); |
299 | gtk_list_store_clear(event_data->store_m); |
300 | for(i = 0; i < interrupt_counters->len; i++){ |
301 | element = g_array_index(interrupt_counters,Irq,i); |
302 | real_data = element.total_duration.tv_sec; |
303 | real_data *= NANOSECONDS_PER_SECOND; |
304 | real_data += element.total_duration.tv_nsec; |
305 | //printf("total_duration:%ld\n", element.total_duration.tv_nsec); |
306 | gtk_list_store_append (event_data->store_m, &iter); |
307 | gtk_list_store_set (event_data->store_m, &iter, |
308 | CPUID_COLUMN, element.cpu_id, |
309 | IRQ_ID_COLUMN, element.id, |
310 | FREQUENCY_COLUMN, element.frequency, |
311 | DURATION_COLUMN, real_data, |
312 | -1); |
313 | } |
314 | |
315 | if(event_data->interrupt_counters->len) |
316 | g_array_remove_range (event_data->interrupt_counters,0,event_data->interrupt_counters->len); |
317 | |
318 | if(event_data->active_irq_entry->len) |
319 | g_array_remove_range (event_data->active_irq_entry,0,event_data->active_irq_entry->len); |
320 | return FALSE; |
321 | } |
322 | |
323 | static void sum_interrupt_data(irq_entry *e, LttTime time_exit, GArray *interrupt_counters){ |
324 | Irq irq; |
325 | Irq *element; |
326 | guint i; |
327 | LttTime duration; |
328 | gboolean notFound = FALSE; |
329 | memset ((void*)&irq, 0,sizeof(Irq)); |
330 | |
331 | //printf("time_exit: %ld.%ld\n",time_exit.tv_sec,time_exit.tv_nsec); |
332 | if(interrupt_counters->len == NO_ITEMS){ |
333 | irq.cpu_id = e->cpu_id; |
334 | irq.id = e->id; |
335 | irq.frequency++; |
336 | irq.total_duration = ltt_time_sub(time_exit, e->event_time); |
337 | g_array_append_val (interrupt_counters, irq); |
338 | } |
339 | else{ |
340 | for(i = 0; i < interrupt_counters->len; i++){ |
341 | element = &g_array_index(interrupt_counters,Irq,i); |
342 | if(element->id == e->id){ |
343 | notFound = TRUE; |
344 | duration = ltt_time_sub(time_exit, e->event_time); |
345 | element->total_duration = ltt_time_add(element->total_duration, duration); |
346 | element->frequency++; |
347 | } |
348 | } |
349 | if(!notFound){ |
350 | irq.cpu_id = e->cpu_id; |
351 | irq.id = e->id; |
352 | irq.frequency++; |
353 | irq.total_duration = ltt_time_sub(time_exit, e->event_time); |
354 | g_array_append_val (interrupt_counters, irq); |
355 | } |
356 | } |
357 | } |
358 | |
359 | static void calcul_duration(LttTime time_exit, guint cpu_id,InterruptEventData *event_data){ |
360 | |
361 | gint i, irq_id; |
362 | irq_entry *element; |
363 | LttTime duration; |
364 | GArray *interrupt_counters = event_data->interrupt_counters; |
365 | GArray *active_irq_entry = event_data->active_irq_entry; |
366 | for(i = 0; i < active_irq_entry->len; i++){ |
367 | element = &g_array_index(active_irq_entry,irq_entry,i); |
368 | if(element->cpu_id == cpu_id){ |
369 | sum_interrupt_data(element,time_exit, interrupt_counters); |
370 | g_array_remove_index(active_irq_entry, i); |
371 | // printf("array length:%d\n",active_irq_entry->len); |
372 | break; |
373 | } |
374 | } |
375 | } |
376 | |
377 | gboolean parse_event(void *hook_data, void *call_data){ |
378 | |
379 | LttTime event_time; |
380 | LttEvent *e; |
381 | LttField *field; |
382 | LttEventType *event_type; |
383 | unsigned cpu_id; |
384 | irq_entry entry; |
385 | irq_entry *element; |
386 | guint i; |
387 | // g_info("interrupts: parse_event() \n"); |
388 | InterruptEventData *event_data = (InterruptEventData *)hook_data; |
389 | GArray* active_irq_entry = event_data->active_irq_entry; |
390 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
391 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
392 | //e = tfc->e; |
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393 | e = ltt_tracefile_get_event(tfc->tf); |
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394 | |
395 | field = ltt_event_field(e); |
396 | event_time = ltt_event_time(e); |
397 | event_type = ltt_event_eventtype(e); |
398 | cpu_id = ltt_event_cpu_id(e); |
399 | GString * detail_event = g_string_new(""); |
400 | if ((ltt_time_compare(event_time,event_data->time_window.start_time) == TRUE) && |
401 | (ltt_time_compare(event_data->time_window.end_time,event_time) == TRUE)){ |
402 | if (strcmp( g_quark_to_string(ltt_eventtype_name(event_type)),"irq_entry") == 0) { |
403 | entry.id = get_event_detail(e, field); |
404 | entry.cpu_id = cpu_id; |
405 | entry.event_time = event_time; |
406 | g_array_append_val (active_irq_entry, entry); |
407 | |
408 | } |
409 | if(strcmp( g_quark_to_string(ltt_eventtype_name(event_type)),"irq_exit") == 0) { |
410 | //printf("event_time: %ld.%ld\n",event_time.tv_sec,event_time.tv_nsec); |
411 | calcul_duration( event_time, cpu_id, event_data); |
412 | } |
413 | } |
414 | g_string_free(detail_event, TRUE); |
415 | return FALSE; |
416 | } |
417 | |
418 | static void request_event( InterruptEventData *event_data){ |
419 | |
420 | event_data->event_hooks = lttv_hooks_new(); |
421 | lttv_hooks_add(event_data->event_hooks, parse_event, event_data, LTTV_PRIO_DEFAULT); |
422 | |
423 | event_data->hooks_trace_after = lttv_hooks_new(); |
424 | lttv_hooks_add(event_data->hooks_trace_after, interrupt_show, event_data, LTTV_PRIO_DEFAULT); |
425 | |
426 | event_data->hooks_trace_before = lttv_hooks_new(); |
427 | lttv_hooks_add(event_data->hooks_trace_before, trace_header, event_data, LTTV_PRIO_DEFAULT); |
428 | |
429 | EventsRequest *events_request = g_new(EventsRequest, 1); |
430 | events_request->owner = event_data; |
431 | events_request->viewer_data = event_data; |
432 | events_request->servicing = FALSE; |
433 | events_request->start_time = event_data->time_window.start_time; |
434 | events_request->start_position = NULL; |
435 | events_request->stop_flag = FALSE; |
436 | events_request->end_time = event_data->time_window.end_time; |
437 | events_request->num_events = G_MAXUINT; |
438 | events_request->end_position = NULL; |
439 | events_request->trace = 0; |
440 | events_request->hooks = NULL; |
441 | events_request->before_chunk_traceset = NULL; |
442 | events_request->before_chunk_trace = event_data->hooks_trace_before; |
443 | events_request->before_chunk_tracefile= NULL; |
444 | events_request->event = event_data->event_hooks; |
445 | events_request->event_by_id = NULL; |
446 | events_request->after_chunk_tracefile = NULL; |
447 | events_request->after_chunk_trace = NULL; |
448 | events_request->after_chunk_traceset = NULL; |
449 | events_request->before_request = NULL; |
450 | events_request->after_request = event_data->hooks_trace_after; |
451 | |
452 | lttvwindow_events_request(event_data->tab, events_request); |
453 | } |
454 | |
455 | gboolean interrupt_update_time_window(void * hook_data, void * call_data){ |
456 | |
457 | InterruptEventData *event_data = (InterruptEventData *) hook_data; |
458 | const TimeWindowNotifyData *time_window_nofify_data = ((const TimeWindowNotifyData *)call_data); |
459 | event_data->time_window = *time_window_nofify_data->new_time_window; |
460 | g_info("interrupts: interrupt_update_time_window()\n"); |
461 | Tab *tab = event_data->tab; |
462 | lttvwindow_events_request_remove_all(tab, event_data); |
463 | request_event(event_data); |
464 | |
465 | |
466 | return FALSE; |
467 | } |
468 | |
469 | /** |
470 | * plugin's init function |
471 | * |
472 | * This function initializes the Event Viewer functionnality through the |
473 | * gtkTraceSet API. |
474 | */ |
475 | static void init() { |
476 | g_info("interrupts: init()"); |
477 | |
478 | lttvwindow_register_constructor("interrupts", |
479 | "/", |
480 | "Insert Interrupts View", |
481 | hInterruptsInsert_xpm, |
482 | "Insert Interrupts View", |
483 | interrupts); |
a4f37ccd |
484 | |
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485 | } |
486 | |
487 | void interrupt_destroy_walk(gpointer data, gpointer user_data){ |
488 | g_info("interrupt_destroy_walk"); |
489 | interrupt_destructor((InterruptEventData*)data); |
490 | |
491 | } |
492 | |
493 | /** |
494 | * plugin's destroy function |
495 | * |
496 | * This function releases the memory reserved by the module and unregisters |
497 | * everything that has been registered in the gtkTraceSet API. |
498 | */ |
499 | static void destroy() { |
500 | g_info("Destroy interrupts"); |
501 | g_slist_foreach(interrupt_data_list, interrupt_destroy_walk, NULL ); |
502 | g_slist_free(interrupt_data_list); |
503 | lttvwindow_unregister_constructor(interrupts); |
504 | |
505 | } |
506 | |
507 | LTTV_MODULE("interrupts", "interrupts info view", \ |
508 | "Graphical module to display interrupts performance", \ |
509 | init, destroy, "lttvwindow") |