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/tracecontext.h>
34 #include <lttv/state.h>
35 #include <lttv/stats.h>
36 #include <lttv/filter.h>
37 #include <ltt/trace.h>
38 #include <lttv/sync/sync_chain_lttv.h>
40 #include <babeltrace/context.h>
42 static LttvTraceset
*traceset
;
54 static char *trace_path
;
56 static gboolean a_stats
;
57 static gboolean a_live
;
58 static int a_live_update_period
;
60 #define DEFAULT_LIVE_UPDATE_PERIOD 1
62 void lttv_trace_option(void *hook_data
)
65 //trace_collection *trace;
66 //format *fmt = bt_lookup_format(g_quark_from_static_string("ctf"));
69 //trace = ltt_trace_open_live(a_trace);
72 //trace = bt_add_trace(a_trace,"ctf");
74 if(trace == NULL) g_critical("cannot open trace %s", a_trace);
75 lttv_traceset_add(traceset, lttv_trace_new(trace));*/
77 if(lttv_traceset_add_path(traceset
, trace_path
) < 0) {
78 printf("Cannot add trace %s", trace_path
);
83 static gboolean
process_traceset(void *hook_data
, void *call_data
)
85 LttvAttributeValue value_expression
, value_filter
;
87 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
89 LttvTracesetStats
*tscs
= NULL
;
91 LttvTracesetState
*tss
;
93 LttvTracesetContext
*tc
;
98 g_info("BatchAnalysis begin process traceset");
101 tscs
= g_object_new(LTTV_TRACESET_STATS_TYPE
, NULL
);
104 tss
= g_object_new(LTTV_TRACESET_STATE_TYPE
, NULL
);
108 g_info("BatchAnalysis initialize context");
110 lttv_context_init(tc
, traceset
);
115 lttv_state_add_event_hooks(tss
);
116 if(a_stats
) lttv_stats_add_event_hooks(tscs
);
119 retval
= lttv_iattribute_find_by_path(attributes
, "filter/expression",
120 LTTV_POINTER
, &value_expression
);
123 retval
= lttv_iattribute_find_by_path(attributes
, "filter/lttv_filter",
124 LTTV_POINTER
, &value_filter
);
127 /* Repeat the search for the first element, the second search might have
128 * moved the first element (by creating the second element)
130 retval
= lttv_iattribute_find_by_path(attributes
, "filter/expression",
131 LTTV_POINTER
, &value_expression
);
134 *(value_filter
.v_pointer
) = lttv_filter_new();
135 //g_debug("Filter string: %s",((GString*)*(value_expression.v_pointer))->str);
137 lttv_filter_append_expression(*(value_filter
.v_pointer
),((GString
*)*(value_expression
.v_pointer
))->str
);
139 //lttv_traceset_context_add_hooks(tc,
140 //before_traceset, after_traceset, NULL, before_trace, after_trace,
141 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
142 lttv_process_traceset_begin(tc
,
151 end
.tv_sec
= G_MAXULONG
;
152 end
.tv_nsec
= G_MAXULONG
;
154 g_info("BatchAnalysis process traceset");
156 lttv_process_traceset_seek_time(tc
, start
);
157 /* Read as long a we do not reach the end (0) */
159 unsigned int updated_count
;
161 count
= lttv_process_traceset_middle(tc
,
167 updated_count
= lttv_process_traceset_update(tc
);
170 sleep(a_live_update_period
);
178 //lttv_traceset_context_remove_hooks(tc,
179 //before_traceset, after_traceset, NULL, before_trace, after_trace,
180 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
181 lttv_process_traceset_end(tc
,
188 g_info("BatchAnalysis destroy context");
190 lttv_filter_destroy(*(value_filter
.v_pointer
));
192 lttv_state_remove_event_hooks(tss
);
193 if(a_stats
) lttv_stats_remove_event_hooks(tscs
);
195 lttv_context_fini(tc
);
197 g_object_unref(tscs
);
201 g_info("BatchAnalysis end process traceset");
208 LttvAttributeValue value
;
210 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
213 g_info("Init batchAnalysis.c");
215 lttv_option_add("trace", 't',
216 "add a trace to the trace set to analyse",
217 "pathname of the directory containing the trace",
218 LTTV_OPT_STRING
, &trace_path
, lttv_trace_option
, NULL
);
221 lttv_option_add("stats", 's',
222 "write the traceset and trace statistics",
224 LTTV_OPT_NONE
, &a_stats
, NULL
, NULL
);
227 lttv_option_add("live", 0,
228 "define if the traceset is receiving live informations",
230 LTTV_OPT_NONE
, &a_live
, NULL
, NULL
);
232 a_live_update_period
= DEFAULT_LIVE_UPDATE_PERIOD
;
233 lttv_option_add("live-period", 0,
234 "period to update a live trace",
237 &a_live_update_period
,
241 traceset
= lttv_traceset_new();
243 before_traceset
= lttv_hooks_new();
244 after_traceset
= lttv_hooks_new();
245 before_trace
= lttv_hooks_new();
246 after_trace
= lttv_hooks_new();
247 before_tracefile
= lttv_hooks_new();
248 after_tracefile
= lttv_hooks_new();
249 //before_event = lttv_hooks_new();
250 //after_event = lttv_hooks_new();
251 event_hook
= lttv_hooks_new();
253 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/traceset/before",
254 LTTV_POINTER
, &value
);
256 *(value
.v_pointer
) = before_traceset
;
257 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/traceset/after",
258 LTTV_POINTER
, &value
);
260 *(value
.v_pointer
) = after_traceset
;
261 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/trace/before",
262 LTTV_POINTER
, &value
);
264 *(value
.v_pointer
) = before_trace
;
265 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/trace/after",
266 LTTV_POINTER
, &value
);
268 *(value
.v_pointer
) = after_trace
;
269 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/before",
270 LTTV_POINTER
, &value
);
272 *(value
.v_pointer
) = before_tracefile
;
273 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/after",
274 LTTV_POINTER
, &value
);
276 *(value
.v_pointer
) = after_tracefile
;
277 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
278 // LTTV_POINTER, &value));
279 //*(value.v_pointer) = before_event;
280 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after",
281 // LTTV_POINTER, &value));
282 //*(value.v_pointer) = after_event;
283 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/event",
284 LTTV_POINTER
, &value
);
286 *(value
.v_pointer
) = event_hook
;
288 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/main/before",
289 LTTV_POINTER
, &value
);
291 g_assert((main_hooks
= *(value
.v_pointer
)) != NULL
);
292 lttv_hooks_add(main_hooks
, process_traceset
, NULL
, LTTV_PRIO_DEFAULT
);
295 static void destroy()
303 g_info("Destroy batchAnalysis.c");
305 lttv_option_remove("trace");
306 lttv_option_remove("stats");
307 lttv_option_remove("live");
308 lttv_option_remove("live-period");
310 lttv_hooks_destroy(before_traceset
);
311 lttv_hooks_destroy(after_traceset
);
312 lttv_hooks_destroy(before_trace
);
313 lttv_hooks_destroy(after_trace
);
314 lttv_hooks_destroy(before_tracefile
);
315 lttv_hooks_destroy(after_tracefile
);
316 //lttv_hooks_destroy(before_event);
317 //lttv_hooks_destroy(after_event);
318 lttv_hooks_destroy(event_hook
);
319 lttv_hooks_remove_data(main_hooks
, process_traceset
, NULL
);
322 nb
= lttv_traceset_number(traceset
);
323 for(i
= 0 ; i
< nb
; i
++) {
324 trace
= lttv_traceset_get(traceset
, i
);
325 ltt_trace_close(lttv_trace(trace
));
326 lttv_trace_destroy(trace
);
329 lttv_traceset_destroy(traceset
);
332 LTTV_MODULE("batchAnalysis", "Batch processing of a trace", \
333 "Run through a trace calling all the registered hooks", \
334 init
, destroy
, "state", "stats", "option","textFilter", "sync")