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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 | |
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71 | /*Graphical Widgets */ |
72 | GtkWidget * ScrollWindow; |
73 | GtkListStore *ListStore; |
74 | GtkWidget *Hbox; |
75 | GtkWidget *TreeView; |
76 | GtkTreeSelection *SelectionTree; |
77 | |
78 | Tab * tab; /* tab that contains this plug-in*/ |
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79 | LttvHooks * event_hooks; |
80 | LttvHooks * hooks_trace_after; |
81 | LttvHooks * hooks_trace_before; |
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82 | TimeWindow time_window; |
83 | |
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84 | GArray *interrupt_counters; |
85 | GArray *active_irq_entry ; |
86 | } InterruptEventData ; |
87 | |
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88 | /* Function prototypes */ |
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89 | |
90 | static gboolean interrupt_update_time_window(void * hook_data, void * call_data); |
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91 | GtkWidget *interrupts(Tab *tab); |
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92 | // Plug-in's constructor |
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93 | InterruptEventData *system_info(Tab *tab); |
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94 | // Plug-in's destructor |
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95 | void interrupt_destructor(InterruptEventData *event_viewer_data); |
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96 | |
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97 | static void request_event( InterruptEventData *event_data); |
98 | static guint64 get_event_detail(LttEvent *e, LttField *f); |
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99 | static gboolean trace_header(void *hook_data, void *call_data); |
100 | static gboolean parse_event(void *hook_data, void *call_data); |
101 | static gboolean interrupt_show(void *hook_data, void *call_data); |
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102 | static void calcul_duration(LttTime time_exit, guint cpu_id, InterruptEventData *event_data); |
103 | static void sum_interrupt_data(irq_entry *e, LttTime time_exit, GArray *interrupt_counters); |
104 | /* Enumeration of the columns */ |
105 | enum{ |
106 | CPUID_COLUMN, |
107 | IRQ_ID_COLUMN, |
108 | FREQUENCY_COLUMN, |
109 | DURATION_COLUMN, |
110 | N_COLUMNS |
111 | }; |
112 | |
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113 | /** |
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114 | * constructor hook |
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115 | * |
116 | * This constructor is given as a parameter to the menuitem and toolbar button |
117 | * registration. It creates the list. |
118 | * @param parent_window A pointer to the parent window. |
119 | * @return The widget created. |
120 | */ |
121 | GtkWidget *interrupts(Tab * tab){ |
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122 | |
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123 | InterruptEventData* event_data = system_info(tab) ; |
124 | if(event_data) |
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125 | return event_data->Hbox; |
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126 | else |
127 | return NULL; |
128 | } |
129 | |
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130 | InterruptEventData *system_info(Tab *tab) |
131 | { |
132 | LttTime end; |
133 | GtkTreeViewColumn *column; |
134 | GtkCellRenderer *renderer; |
135 | InterruptEventData* event_viewer_data = g_new(InterruptEventData,1) ; |
136 | g_info("system_info \n"); |
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137 | |
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138 | event_viewer_data->tab = tab; |
139 | event_viewer_data->time_window = lttvwindow_get_time_window(tab); |
140 | event_viewer_data->interrupt_counters = g_array_new(FALSE, FALSE, sizeof(Irq)); |
141 | event_viewer_data->active_irq_entry = g_array_new(FALSE, FALSE, sizeof(irq_entry)); |
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142 | |
143 | event_viewer_data->ScrollWindow = gtk_scrolled_window_new (NULL, NULL); |
144 | gtk_widget_show (event_viewer_data->ScrollWindow); |
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145 | gtk_scrolled_window_set_policy( |
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146 | GTK_SCROLLED_WINDOW(event_viewer_data->ScrollWindow), |
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147 | GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC/*GTK_POLICY_NEVER*/); |
148 | |
149 | /* Create a model for storing the data list */ |
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150 | event_viewer_data->ListStore = gtk_list_store_new ( |
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151 | N_COLUMNS, /* Total number of columns */ |
152 | G_TYPE_INT, /* CPUID */ |
153 | G_TYPE_INT, /* IRQ_ID */ |
154 | G_TYPE_INT, /* Frequency */ |
155 | G_TYPE_UINT64 /* Duration */ |
156 | ); |
157 | |
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158 | event_viewer_data->TreeView = gtk_tree_view_new_with_model (GTK_TREE_MODEL (event_viewer_data->ListStore)); |
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159 | |
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160 | g_object_unref (G_OBJECT (event_viewer_data->ListStore)); |
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161 | |
162 | renderer = gtk_cell_renderer_text_new (); |
163 | column = gtk_tree_view_column_new_with_attributes ("CPUID", |
164 | renderer, |
165 | "text", CPUID_COLUMN, |
166 | NULL); |
167 | gtk_tree_view_column_set_alignment (column, 0.0); |
168 | gtk_tree_view_column_set_fixed_width (column, 45); |
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169 | gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data->TreeView), column); |
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170 | |
171 | |
172 | renderer = gtk_cell_renderer_text_new (); |
173 | column = gtk_tree_view_column_new_with_attributes ("IrqId", |
174 | renderer, |
175 | "text", IRQ_ID_COLUMN, |
176 | NULL); |
177 | gtk_tree_view_column_set_alignment (column, 0.0); |
178 | gtk_tree_view_column_set_fixed_width (column, 220); |
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179 | gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data->TreeView), column); |
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180 | |
181 | renderer = gtk_cell_renderer_text_new (); |
182 | column = gtk_tree_view_column_new_with_attributes ("Frequency", |
183 | renderer, |
184 | "text", FREQUENCY_COLUMN, |
185 | NULL); |
186 | gtk_tree_view_column_set_alignment (column, 1.0); |
187 | gtk_tree_view_column_set_fixed_width (column, 220); |
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188 | gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data->TreeView), column); |
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189 | |
190 | renderer = gtk_cell_renderer_text_new (); |
191 | column = gtk_tree_view_column_new_with_attributes ("Duration (nsec)", |
192 | renderer, |
193 | "text", DURATION_COLUMN, |
194 | NULL); |
195 | gtk_tree_view_column_set_alignment (column, 0.0); |
196 | gtk_tree_view_column_set_fixed_width (column, 145); |
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197 | gtk_tree_view_append_column (GTK_TREE_VIEW (event_viewer_data->TreeView), column); |
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198 | |
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199 | event_viewer_data->SelectionTree = gtk_tree_view_get_selection (GTK_TREE_VIEW (event_viewer_data->TreeView)); |
200 | gtk_tree_selection_set_mode (event_viewer_data->SelectionTree, GTK_SELECTION_SINGLE); |
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201 | |
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202 | gtk_container_add (GTK_CONTAINER (event_viewer_data->ScrollWindow), event_viewer_data->TreeView); |
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203 | |
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204 | event_viewer_data->Hbox = gtk_hbox_new(0, 0); |
205 | gtk_box_pack_start(GTK_BOX(event_viewer_data->Hbox), event_viewer_data->ScrollWindow, TRUE, TRUE, 0); |
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206 | |
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207 | gtk_widget_show(event_viewer_data->Hbox); |
208 | gtk_widget_show(event_viewer_data->TreeView); |
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209 | |
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210 | interrupt_data_list = g_slist_append(interrupt_data_list, event_viewer_data); |
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211 | |
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212 | lttvwindow_register_time_window_notify(tab, |
213 | interrupt_update_time_window, |
214 | event_viewer_data); |
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215 | request_event(event_viewer_data); |
216 | return event_viewer_data; |
217 | } |
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218 | |
219 | |
220 | static void request_event( InterruptEventData *event_data){ |
221 | |
222 | event_data->hooks_trace_before = lttv_hooks_new(); |
223 | lttv_hooks_add(event_data->hooks_trace_before, trace_header, event_data, LTTV_PRIO_DEFAULT); |
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224 | |
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225 | event_data->event_hooks = lttv_hooks_new(); |
226 | lttv_hooks_add(event_data->event_hooks, parse_event, event_data, LTTV_PRIO_DEFAULT); |
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227 | |
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228 | event_data->hooks_trace_after = lttv_hooks_new(); |
229 | lttv_hooks_add(event_data->hooks_trace_after, interrupt_show, event_data, LTTV_PRIO_DEFAULT); |
230 | |
231 | EventsRequest *events_request = g_new(EventsRequest, 1); |
232 | events_request->owner = event_data; |
233 | events_request->viewer_data = event_data; |
234 | events_request->servicing = FALSE; |
235 | events_request->start_time = event_data->time_window.start_time; |
236 | events_request->start_position = NULL; |
237 | events_request->stop_flag = FALSE; |
238 | events_request->end_time = event_data->time_window.end_time; |
239 | events_request->num_events = G_MAXUINT; |
240 | events_request->end_position = NULL; |
241 | events_request->trace = 0; |
242 | events_request->hooks = NULL; |
243 | events_request->before_chunk_traceset = NULL; |
244 | events_request->before_chunk_trace = event_data->hooks_trace_before; |
245 | events_request->before_chunk_tracefile= NULL; |
246 | events_request->event = event_data->event_hooks; |
247 | events_request->event_by_id = NULL; |
248 | events_request->after_chunk_tracefile = NULL; |
249 | events_request->after_chunk_trace = NULL; |
250 | events_request->after_chunk_traceset = NULL; |
251 | events_request->before_request = NULL; |
252 | events_request->after_request = event_data->hooks_trace_after; |
253 | |
254 | lttvwindow_events_request(event_data->tab, events_request); |
255 | } |
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256 | |
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257 | gboolean parse_event(void *hook_data, void *call_data){ |
258 | |
259 | LttTime event_time; |
260 | LttEvent *e; |
261 | LttField *field; |
262 | LttEventType *event_type; |
263 | unsigned cpu_id; |
264 | irq_entry entry; |
265 | irq_entry *element; |
266 | guint i; |
267 | // g_info("interrupts: parse_event() \n"); |
268 | InterruptEventData *event_data = (InterruptEventData *)hook_data; |
269 | GArray* active_irq_entry = event_data->active_irq_entry; |
270 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
271 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
272 | //e = tfc->e; |
273 | e = ltt_tracefile_get_event(tfc->tf); |
274 | |
275 | field = ltt_event_field(e); |
276 | event_time = ltt_event_time(e); |
277 | event_type = ltt_event_eventtype(e); |
278 | cpu_id = ltt_event_cpu_id(e); |
279 | GString * detail_event = g_string_new(""); |
280 | if ((ltt_time_compare(event_time,event_data->time_window.start_time) == TRUE) && |
281 | (ltt_time_compare(event_data->time_window.end_time,event_time) == TRUE)){ |
282 | if (strcmp( g_quark_to_string(ltt_eventtype_name(event_type)),"irq_entry") == 0) { |
283 | entry.id = get_event_detail(e, field); |
284 | entry.cpu_id = cpu_id; |
285 | entry.event_time = event_time; |
286 | g_array_append_val (active_irq_entry, entry); |
287 | |
288 | } |
289 | if(strcmp( g_quark_to_string(ltt_eventtype_name(event_type)),"irq_exit") == 0) { |
290 | //printf("event_time: %ld.%ld\n",event_time.tv_sec,event_time.tv_nsec); |
291 | calcul_duration( event_time, cpu_id, event_data); |
292 | } |
293 | } |
294 | g_string_free(detail_event, TRUE); |
295 | return FALSE; |
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296 | } |
297 | |
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298 | |
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299 | void interrupt_destructor(InterruptEventData *event_viewer_data) |
300 | { |
301 | /* May already been done by GTK window closing */ |
302 | g_info("enter interrupt_destructor \n"); |
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303 | if(GTK_IS_WIDGET(event_viewer_data->Hbox)){ |
304 | gtk_widget_destroy(event_viewer_data->Hbox); |
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305 | } |
306 | } |
307 | |
308 | static guint64 get_event_detail(LttEvent *e, LttField *f){ |
309 | |
310 | LttType *type; |
311 | LttField *element; |
312 | GQuark name; |
313 | int nb, i; |
314 | guint64 irq_id; |
315 | type = ltt_field_type(f); |
316 | nb = ltt_type_member_number(type); |
317 | for(i = 0 ; i < nb-1 ; i++) { |
318 | element = ltt_field_member(f,i); |
319 | ltt_type_member_type(type, i, &name); |
320 | irq_id = ltt_event_get_long_unsigned(e,element); |
321 | } |
322 | return irq_id; |
323 | } |
324 | |
325 | |
326 | |
327 | |
328 | gboolean trace_header(void *hook_data, void *call_data){ |
329 | |
330 | InterruptEventData *event_data = (InterruptEventData *)hook_data; |
331 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
332 | LttEvent *e; |
333 | LttTime event_time; |
334 | return FALSE; |
335 | } |
336 | |
337 | static gboolean interrupt_show(void *hook_data, void *call_data){ |
338 | |
339 | gint i; |
340 | Irq element; |
341 | LttTime average_duration; |
342 | GtkTreeIter iter; |
343 | guint64 real_data; |
344 | InterruptEventData *event_data = (InterruptEventData *)hook_data; |
345 | GArray *interrupt_counters = event_data->interrupt_counters; |
346 | g_info("interrupts: interrupt_show() \n"); |
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347 | gtk_list_store_clear(event_data->ListStore); |
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348 | for(i = 0; i < interrupt_counters->len; i++){ |
349 | element = g_array_index(interrupt_counters,Irq,i); |
350 | real_data = element.total_duration.tv_sec; |
351 | real_data *= NANOSECONDS_PER_SECOND; |
352 | real_data += element.total_duration.tv_nsec; |
353 | //printf("total_duration:%ld\n", element.total_duration.tv_nsec); |
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354 | gtk_list_store_append (event_data->ListStore, &iter); |
355 | gtk_list_store_set (event_data->ListStore, &iter, |
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356 | CPUID_COLUMN, element.cpu_id, |
357 | IRQ_ID_COLUMN, element.id, |
358 | FREQUENCY_COLUMN, element.frequency, |
359 | DURATION_COLUMN, real_data, |
360 | -1); |
361 | } |
362 | |
363 | if(event_data->interrupt_counters->len) |
364 | g_array_remove_range (event_data->interrupt_counters,0,event_data->interrupt_counters->len); |
365 | |
366 | if(event_data->active_irq_entry->len) |
367 | g_array_remove_range (event_data->active_irq_entry,0,event_data->active_irq_entry->len); |
368 | return FALSE; |
369 | } |
370 | |
371 | static void sum_interrupt_data(irq_entry *e, LttTime time_exit, GArray *interrupt_counters){ |
372 | Irq irq; |
373 | Irq *element; |
374 | guint i; |
375 | LttTime duration; |
376 | gboolean notFound = FALSE; |
377 | memset ((void*)&irq, 0,sizeof(Irq)); |
378 | |
379 | //printf("time_exit: %ld.%ld\n",time_exit.tv_sec,time_exit.tv_nsec); |
380 | if(interrupt_counters->len == NO_ITEMS){ |
381 | irq.cpu_id = e->cpu_id; |
382 | irq.id = e->id; |
383 | irq.frequency++; |
384 | irq.total_duration = ltt_time_sub(time_exit, e->event_time); |
385 | g_array_append_val (interrupt_counters, irq); |
386 | } |
387 | else{ |
388 | for(i = 0; i < interrupt_counters->len; i++){ |
389 | element = &g_array_index(interrupt_counters,Irq,i); |
390 | if(element->id == e->id){ |
391 | notFound = TRUE; |
392 | duration = ltt_time_sub(time_exit, e->event_time); |
393 | element->total_duration = ltt_time_add(element->total_duration, duration); |
394 | element->frequency++; |
395 | } |
396 | } |
397 | if(!notFound){ |
398 | irq.cpu_id = e->cpu_id; |
399 | irq.id = e->id; |
400 | irq.frequency++; |
401 | irq.total_duration = ltt_time_sub(time_exit, e->event_time); |
402 | g_array_append_val (interrupt_counters, irq); |
403 | } |
404 | } |
405 | } |
406 | |
407 | static void calcul_duration(LttTime time_exit, guint cpu_id,InterruptEventData *event_data){ |
408 | |
409 | gint i, irq_id; |
410 | irq_entry *element; |
411 | LttTime duration; |
412 | GArray *interrupt_counters = event_data->interrupt_counters; |
413 | GArray *active_irq_entry = event_data->active_irq_entry; |
414 | for(i = 0; i < active_irq_entry->len; i++){ |
415 | element = &g_array_index(active_irq_entry,irq_entry,i); |
416 | if(element->cpu_id == cpu_id){ |
417 | sum_interrupt_data(element,time_exit, interrupt_counters); |
418 | g_array_remove_index(active_irq_entry, i); |
419 | // printf("array length:%d\n",active_irq_entry->len); |
420 | break; |
421 | } |
422 | } |
423 | } |
424 | |
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425 | |
426 | gboolean interrupt_update_time_window(void * hook_data, void * call_data){ |
427 | |
428 | InterruptEventData *event_data = (InterruptEventData *) hook_data; |
429 | const TimeWindowNotifyData *time_window_nofify_data = ((const TimeWindowNotifyData *)call_data); |
430 | event_data->time_window = *time_window_nofify_data->new_time_window; |
431 | g_info("interrupts: interrupt_update_time_window()\n"); |
432 | Tab *tab = event_data->tab; |
433 | lttvwindow_events_request_remove_all(tab, event_data); |
434 | request_event(event_data); |
435 | |
436 | |
437 | return FALSE; |
438 | } |
439 | |
440 | /** |
441 | * plugin's init function |
442 | * |
443 | * This function initializes the Event Viewer functionnality through the |
444 | * gtkTraceSet API. |
445 | */ |
446 | static void init() { |
447 | g_info("interrupts: init()"); |
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448 | lttvwindow_register_constructor("interrupts", |
449 | "/", |
450 | "Insert Interrupts View", |
451 | hInterruptsInsert_xpm, |
452 | "Insert Interrupts View", |
453 | interrupts); |
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454 | |
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455 | } |
456 | |
457 | void interrupt_destroy_walk(gpointer data, gpointer user_data){ |
458 | g_info("interrupt_destroy_walk"); |
459 | interrupt_destructor((InterruptEventData*)data); |
460 | |
461 | } |
462 | |
463 | /** |
464 | * plugin's destroy function |
465 | * |
466 | * This function releases the memory reserved by the module and unregisters |
467 | * everything that has been registered in the gtkTraceSet API. |
468 | */ |
469 | static void destroy() { |
470 | g_info("Destroy interrupts"); |
471 | g_slist_foreach(interrupt_data_list, interrupt_destroy_walk, NULL ); |
472 | g_slist_free(interrupt_data_list); |
473 | lttvwindow_unregister_constructor(interrupts); |
474 | |
475 | } |
476 | |
477 | LTTV_MODULE("interrupts", "interrupts info view", \ |
478 | "Graphical module to display interrupts performance", \ |
479 | init, destroy, "lttvwindow") |