1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Michel Dagenais
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,
19 /* This module inserts a hook in the program main loop. This hook processes
20 all the events in the main tracefile. */
28 #include <lttv/lttv.h>
29 #include <lttv/attribute.h>
30 #include <lttv/hook.h>
31 #include <lttv/option.h>
32 #include <lttv/module.h>
33 #include <lttv/traceset-process.h>
34 #include <lttv/state.h>
36 #include <lttv/stats.h>
37 #include <lttv/filter.h>
39 #ifdef BABEL_CLEANUP_SYNC
40 #include <lttv/sync/sync_chain_lttv.h>
42 #include <babeltrace/context.h>
44 static LttvTraceset
*traceset
;
56 static char *trace_path
;
58 static gboolean a_stats
;
59 static gboolean a_live
;
60 static int a_live_update_period
;
62 #define DEFAULT_LIVE_UPDATE_PERIOD 1
64 void lttv_trace_option(void *hook_data
)
67 //trace_collection *trace;
68 //format *fmt = bt_lookup_format(g_quark_from_static_string("ctf"));
71 //trace = ltt_trace_open_live(a_trace);
74 //trace = bt_add_trace(a_trace,"ctf");
76 if(trace == NULL) g_critical("cannot open trace %s", a_trace);
77 lttv_traceset_add(traceset, lttv_trace_new(trace));*/
79 if(lttv_traceset_add_path(traceset
, trace_path
) < 0) {
80 g_error("Cannot add trace %s", trace_path
);
85 static gboolean
process_traceset(void *hook_data
, void *call_data
)
87 LttvAttributeValue value_expression
, value_filter
;
89 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
92 LttvTracesetStats
*tscs
= NULL
;
94 LttvTracesetState
*tss
;
96 LttvTracesetContext
*tc
;
101 g_info("BatchAnalysis begin process traceset");
104 tscs
= g_object_new(LTTV_TRACESET_STATS_TYPE
, NULL
);
107 tss
= g_object_new(LTTV_TRACESET_STATE_TYPE
, NULL
);
111 g_info("BatchAnalysis initialize context");
113 lttv_context_init(tc
, traceset
);
118 lttv_state_add_event_hooks(tss
);
119 if(a_stats
) lttv_stats_add_event_hooks(tscs
);
122 retval
= lttv_iattribute_find_by_path(attributes
, "filter/expression",
123 LTTV_POINTER
, &value_expression
);
126 retval
= lttv_iattribute_find_by_path(attributes
, "filter/lttv_filter",
127 LTTV_POINTER
, &value_filter
);
130 /* Repeat the search for the first element, the second search might have
131 * moved the first element (by creating the second element)
133 retval
= lttv_iattribute_find_by_path(attributes
, "filter/expression",
134 LTTV_POINTER
, &value_expression
);
137 *(value_filter
.v_pointer
) = lttv_filter_new();
138 //g_debug("Filter string: %s",((GString*)*(value_expression.v_pointer))->str);
140 lttv_filter_append_expression(*(value_filter
.v_pointer
),((GString
*)*(value_expression
.v_pointer
))->str
);
142 //lttv_traceset_context_add_hooks(tc,
143 //before_traceset, after_traceset, NULL, before_trace, after_trace,
144 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
146 lttv_state_add_event_hooks(traceset
);
147 lttv_process_traceset_begin(traceset
,
154 end
.tv_sec
= G_MAXULONG
;
155 end
.tv_nsec
= G_MAXULONG
;
157 g_info("BatchAnalysis process traceset");
159 lttv_process_traceset_seek_time(traceset
, start
);
160 /* Read as long a we do not reach the end (0) */
162 unsigned int updated_count
;
164 count
= lttv_process_traceset_middle(traceset
,
170 updated_count
= lttv_process_traceset_update(tc
);
173 sleep(a_live_update_period
);
181 //lttv_traceset_context_remove_hooks(tc,
182 //before_traceset, after_traceset, NULL, before_trace, after_trace,
183 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
184 lttv_process_traceset_end(traceset
,
189 g_info("BatchAnalysis destroy context");
191 lttv_filter_destroy(*(value_filter
.v_pointer
));
193 lttv_state_remove_event_hooks(tss
);
194 if(a_stats
) lttv_stats_remove_event_hooks(tscs
);
196 lttv_context_fini(tc
);
198 g_object_unref(tscs
);
202 g_info("BatchAnalysis end process traceset");
209 LttvAttributeValue value
;
211 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
214 g_info("Init batchAnalysis.c");
216 lttv_option_add("trace", 't',
217 "add a trace to the trace set to analyse",
218 "pathname of the directory containing the trace",
219 LTTV_OPT_STRING
, &trace_path
, lttv_trace_option
, NULL
);
222 lttv_option_add("stats", 's',
223 "write the traceset and trace statistics",
225 LTTV_OPT_NONE
, &a_stats
, NULL
, NULL
);
228 lttv_option_add("live", 0,
229 "define if the traceset is receiving live informations",
231 LTTV_OPT_NONE
, &a_live
, NULL
, NULL
);
233 a_live_update_period
= DEFAULT_LIVE_UPDATE_PERIOD
;
234 lttv_option_add("live-period", 0,
235 "period to update a live trace",
238 &a_live_update_period
,
242 traceset
= lttv_traceset_new();
244 before_traceset
= lttv_hooks_new();
245 after_traceset
= lttv_hooks_new();
246 before_trace
= lttv_hooks_new();
247 after_trace
= lttv_hooks_new();
248 before_tracefile
= lttv_hooks_new();
249 after_tracefile
= lttv_hooks_new();
250 //before_event = lttv_hooks_new();
251 //after_event = lttv_hooks_new();
252 event_hook
= lttv_hooks_new();
254 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/traceset/before",
255 LTTV_POINTER
, &value
);
257 *(value
.v_pointer
) = before_traceset
;
258 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/traceset/after",
259 LTTV_POINTER
, &value
);
261 *(value
.v_pointer
) = after_traceset
;
262 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/trace/before",
263 LTTV_POINTER
, &value
);
265 *(value
.v_pointer
) = before_trace
;
266 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/trace/after",
267 LTTV_POINTER
, &value
);
269 *(value
.v_pointer
) = after_trace
;
270 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/before",
271 LTTV_POINTER
, &value
);
273 *(value
.v_pointer
) = before_tracefile
;
274 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/after",
275 LTTV_POINTER
, &value
);
277 *(value
.v_pointer
) = after_tracefile
;
278 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
279 // LTTV_POINTER, &value));
280 //*(value.v_pointer) = before_event;
281 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after",
282 // LTTV_POINTER, &value));
283 //*(value.v_pointer) = after_event;
284 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/event",
285 LTTV_POINTER
, &value
);
287 *(value
.v_pointer
) = event_hook
;
289 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/main/before",
290 LTTV_POINTER
, &value
);
292 g_assert((main_hooks
= *(value
.v_pointer
)) != NULL
);
293 lttv_hooks_add(main_hooks
, process_traceset
, NULL
, LTTV_PRIO_DEFAULT
);
296 static void destroy()
304 g_info("Destroy batchAnalysis.c");
306 lttv_option_remove("trace");
307 lttv_option_remove("stats");
308 lttv_option_remove("live");
309 lttv_option_remove("live-period");
311 lttv_hooks_destroy(before_traceset
);
312 lttv_hooks_destroy(after_traceset
);
313 lttv_hooks_destroy(before_trace
);
314 lttv_hooks_destroy(after_trace
);
315 lttv_hooks_destroy(before_tracefile
);
316 lttv_hooks_destroy(after_tracefile
);
317 //lttv_hooks_destroy(before_event);
318 //lttv_hooks_destroy(after_event);
319 lttv_hooks_destroy(event_hook
);
320 lttv_hooks_remove_data(main_hooks
, process_traceset
, NULL
);
323 nb
= lttv_traceset_number(traceset
);
324 for(i
= 0 ; i
< nb
; i
++) {
325 trace
= lttv_traceset_get(traceset
, i
);
326 ltt_trace_close(lttv_trace(trace
));
327 lttv_trace_destroy(trace
);
330 lttv_traceset_destroy(traceset
);
333 LTTV_MODULE("batchAnalysis", "Batch processing of a trace", \
334 "Run through a trace calling all the registered hooks", \
335 init
, destroy
, "state", "option")
336 //TODO ybrosseau 2012-05-15 reenable textFilter, stats, sync