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. */
27 #include <lttv/lttv.h>
28 #include <lttv/attribute.h>
29 #include <lttv/hook.h>
30 #include <lttv/option.h>
31 #include <lttv/module.h>
32 #include <lttv/tracecontext.h>
33 #include <lttv/state.h>
34 #include <lttv/stats.h>
35 #include <lttv/filter.h>
36 #include <ltt/trace.h>
37 #include <lttv/sync/sync_chain_lttv.h>
39 static LttvTraceset
*traceset
;
53 static gboolean a_stats
;
55 void lttv_trace_option(void *hook_data
)
59 trace
= ltt_trace_open(a_trace
);
60 if(trace
== NULL
) g_critical("cannot open trace %s", a_trace
);
61 lttv_traceset_add(traceset
, lttv_trace_new(trace
));
65 static gboolean
process_traceset(void *hook_data
, void *call_data
)
67 LttvAttributeValue value_expression
, value_filter
;
69 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
71 LttvTracesetStats
*tscs
;
73 LttvTracesetState
*tss
;
75 LttvTracesetContext
*tc
;
80 g_info("BatchAnalysis begin process traceset");
83 tscs
= g_object_new(LTTV_TRACESET_STATS_TYPE
, NULL
);
86 tss
= g_object_new(LTTV_TRACESET_STATE_TYPE
, NULL
);
90 g_info("BatchAnalysis initialize context");
92 lttv_context_init(tc
, traceset
);
96 lttv_state_add_event_hooks(tc
);
97 if(a_stats
) lttv_stats_add_event_hooks(tscs
);
99 retval
= lttv_iattribute_find_by_path(attributes
, "filter/expression",
100 LTTV_POINTER
, &value_expression
);
103 retval
= lttv_iattribute_find_by_path(attributes
, "filter/lttv_filter",
104 LTTV_POINTER
, &value_filter
);
107 /* Repeat the search for the first element, the second search might have
108 * moved the first element (by creating the second element)
110 retval
= lttv_iattribute_find_by_path(attributes
, "filter/expression",
111 LTTV_POINTER
, &value_expression
);
114 *(value_filter
.v_pointer
) = lttv_filter_new();
115 //g_debug("Filter string: %s",((GString*)*(value_expression.v_pointer))->str);
117 lttv_filter_append_expression(*(value_filter
.v_pointer
),((GString
*)*(value_expression
.v_pointer
))->str
);
119 //lttv_traceset_context_add_hooks(tc,
120 //before_traceset, after_traceset, NULL, before_trace, after_trace,
121 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
122 lttv_process_traceset_begin(tc
,
131 end
.tv_sec
= G_MAXULONG
;
132 end
.tv_nsec
= G_MAXULONG
;
134 g_info("BatchAnalysis process traceset");
136 lttv_process_traceset_seek_time(tc
, start
);
137 lttv_process_traceset_middle(tc
,
143 //lttv_traceset_context_remove_hooks(tc,
144 //before_traceset, after_traceset, NULL, before_trace, after_trace,
145 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
146 lttv_process_traceset_end(tc
,
153 g_info("BatchAnalysis destroy context");
155 lttv_filter_destroy(*(value_filter
.v_pointer
));
156 lttv_state_remove_event_hooks(tss
);
157 if(a_stats
) lttv_stats_remove_event_hooks(tscs
);
158 lttv_context_fini(tc
);
160 g_object_unref(tscs
);
164 g_info("BatchAnalysis end process traceset");
171 LttvAttributeValue value
;
173 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
176 g_info("Init batchAnalysis.c");
178 lttv_option_add("trace", 't',
179 "add a trace to the trace set to analyse",
180 "pathname of the directory containing the trace",
181 LTTV_OPT_STRING
, &a_trace
, lttv_trace_option
, NULL
);
184 lttv_option_add("stats", 's',
185 "write the traceset and trace statistics",
187 LTTV_OPT_NONE
, &a_stats
, NULL
, NULL
);
190 traceset
= lttv_traceset_new();
192 before_traceset
= lttv_hooks_new();
193 after_traceset
= lttv_hooks_new();
194 before_trace
= lttv_hooks_new();
195 after_trace
= lttv_hooks_new();
196 before_tracefile
= lttv_hooks_new();
197 after_tracefile
= lttv_hooks_new();
198 //before_event = lttv_hooks_new();
199 //after_event = lttv_hooks_new();
200 event_hook
= lttv_hooks_new();
202 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/traceset/before",
203 LTTV_POINTER
, &value
);
205 *(value
.v_pointer
) = before_traceset
;
206 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/traceset/after",
207 LTTV_POINTER
, &value
);
209 *(value
.v_pointer
) = after_traceset
;
210 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/trace/before",
211 LTTV_POINTER
, &value
);
213 *(value
.v_pointer
) = before_trace
;
214 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/trace/after",
215 LTTV_POINTER
, &value
);
217 *(value
.v_pointer
) = after_trace
;
218 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/before",
219 LTTV_POINTER
, &value
);
221 *(value
.v_pointer
) = before_tracefile
;
222 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/after",
223 LTTV_POINTER
, &value
);
225 *(value
.v_pointer
) = after_tracefile
;
226 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
227 // LTTV_POINTER, &value));
228 //*(value.v_pointer) = before_event;
229 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after",
230 // LTTV_POINTER, &value));
231 //*(value.v_pointer) = after_event;
232 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/event",
233 LTTV_POINTER
, &value
);
235 *(value
.v_pointer
) = event_hook
;
237 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/main/before",
238 LTTV_POINTER
, &value
);
240 g_assert((main_hooks
= *(value
.v_pointer
)) != NULL
);
241 lttv_hooks_add(main_hooks
, process_traceset
, NULL
, LTTV_PRIO_DEFAULT
);
244 static void destroy()
250 g_info("Destroy batchAnalysis.c");
252 lttv_option_remove("trace");
253 lttv_option_remove("stats");
255 lttv_hooks_destroy(before_traceset
);
256 lttv_hooks_destroy(after_traceset
);
257 lttv_hooks_destroy(before_trace
);
258 lttv_hooks_destroy(after_trace
);
259 lttv_hooks_destroy(before_tracefile
);
260 lttv_hooks_destroy(after_tracefile
);
261 //lttv_hooks_destroy(before_event);
262 //lttv_hooks_destroy(after_event);
263 lttv_hooks_destroy(event_hook
);
264 lttv_hooks_remove_data(main_hooks
, process_traceset
, NULL
);
266 nb
= lttv_traceset_number(traceset
);
267 for(i
= 0 ; i
< nb
; i
++) {
268 trace
= lttv_traceset_get(traceset
, i
);
269 ltt_trace_close(lttv_trace(trace
));
270 /* This will be done by lttv_traceset_destroy */
271 //lttv_trace_destroy(trace);
274 lttv_traceset_destroy(traceset
);
277 LTTV_MODULE("batchAnalysis", "Batch processing of a trace", \
278 "Run through a trace calling all the registered hooks", \
279 init
, destroy
, "state", "stats", "option","textFilter", "sync")