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. */
23 #include <lttv/lttv.h>
24 #include <lttv/attribute.h>
25 #include <lttv/hook.h>
26 #include <lttv/option.h>
27 #include <lttv/module.h>
28 #include <lttv/tracecontext.h>
29 #include <lttv/state.h>
30 #include <lttv/stats.h>
31 #include <lttv/filter.h>
32 #include <ltt/trace.h>
34 static LttvTraceset
*traceset
;
48 static gboolean a_stats
;
50 static LttvFilter
*a_lttv_filter
;
52 extern GString
*a_filter_string
;
54 void lttv_trace_option(void *hook_data
)
58 trace
= ltt_trace_open(a_trace
);
59 if(trace
== NULL
) g_critical("cannot open trace %s", a_trace
);
60 lttv_traceset_add(traceset
, lttv_trace_new(trace
));
64 static gboolean
process_traceset(void *hook_data
, void *call_data
)
66 LttvTracesetStats
*tscs
;
68 LttvTracesetContext
*tc
;
72 g_info("BatchAnalysis begin process traceset");
74 tscs
= g_object_new(LTTV_TRACESET_STATS_TYPE
, NULL
);
75 tc
= &tscs
->parent
.parent
;
77 g_info("BatchAnalysis initialize context");
79 lttv_context_init(tc
, traceset
);
80 lttv_state_add_event_hooks(&tscs
->parent
);
81 if(a_stats
) lttv_stats_add_event_hooks(tscs
);
83 a_lttv_filter
= lttv_filter_new();
84 lttv_filter_append_expression(a_lttv_filter
,a_filter_string
->str
);
86 //lttv_traceset_context_add_hooks(tc,
87 //before_traceset, after_traceset, NULL, before_trace, after_trace,
88 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
89 lttv_process_traceset_begin(tc
,
98 end
.tv_sec
= G_MAXULONG
;
99 end
.tv_nsec
= G_MAXULONG
;
101 g_info("BatchAnalysis process traceset");
103 lttv_process_traceset_seek_time(tc
, start
);
104 lttv_process_traceset_middle(tc
,
109 g_info("BatchAnalysis destroy context");
111 //lttv_traceset_context_remove_hooks(tc,
112 //before_traceset, after_traceset, NULL, before_trace, after_trace,
113 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
114 lttv_process_traceset_end(tc
,
121 lttv_filter_destroy(a_lttv_filter
);
122 lttv_state_remove_event_hooks(&tscs
->parent
);
123 if(a_stats
) lttv_stats_remove_event_hooks(tscs
);
124 lttv_context_fini(tc
);
125 g_object_unref(tscs
);
127 g_info("BatchAnalysis end process traceset");
134 LttvAttributeValue value
;
136 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
138 g_info("Init batchAnalysis.c");
140 lttv_option_add("trace", 't',
141 "add a trace to the trace set to analyse",
142 "pathname of the directory containing the trace",
143 LTTV_OPT_STRING
, &a_trace
, lttv_trace_option
, NULL
);
146 lttv_option_add("stats", 's',
147 "write the traceset and trace statistics",
149 LTTV_OPT_NONE
, &a_stats
, NULL
, NULL
);
152 traceset
= lttv_traceset_new();
154 before_traceset
= lttv_hooks_new();
155 after_traceset
= lttv_hooks_new();
156 before_trace
= lttv_hooks_new();
157 after_trace
= lttv_hooks_new();
158 before_tracefile
= lttv_hooks_new();
159 after_tracefile
= lttv_hooks_new();
160 //before_event = lttv_hooks_new();
161 //after_event = lttv_hooks_new();
162 event_hook
= lttv_hooks_new();
164 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/traceset/before",
165 LTTV_POINTER
, &value
));
166 *(value
.v_pointer
) = before_traceset
;
167 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/traceset/after",
168 LTTV_POINTER
, &value
));
169 *(value
.v_pointer
) = after_traceset
;
170 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/trace/before",
171 LTTV_POINTER
, &value
));
172 *(value
.v_pointer
) = before_trace
;
173 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/trace/after",
174 LTTV_POINTER
, &value
));
175 *(value
.v_pointer
) = after_trace
;
176 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/before",
177 LTTV_POINTER
, &value
));
178 *(value
.v_pointer
) = before_tracefile
;
179 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/after",
180 LTTV_POINTER
, &value
));
181 *(value
.v_pointer
) = after_tracefile
;
182 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
183 // LTTV_POINTER, &value));
184 //*(value.v_pointer) = before_event;
185 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after",
186 // LTTV_POINTER, &value));
187 //*(value.v_pointer) = after_event;
188 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/event",
189 LTTV_POINTER
, &value
));
190 *(value
.v_pointer
) = event_hook
;
192 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/main/before",
193 LTTV_POINTER
, &value
));
194 g_assert((main_hooks
= *(value
.v_pointer
)) != NULL
);
195 lttv_hooks_add(main_hooks
, process_traceset
, NULL
, LTTV_PRIO_DEFAULT
);
199 static void destroy()
205 g_info("Destroy batchAnalysis.c");
207 lttv_option_remove("trace");
208 lttv_option_remove("stats");
210 lttv_hooks_destroy(before_traceset
);
211 lttv_hooks_destroy(after_traceset
);
212 lttv_hooks_destroy(before_trace
);
213 lttv_hooks_destroy(after_trace
);
214 lttv_hooks_destroy(before_tracefile
);
215 lttv_hooks_destroy(after_tracefile
);
216 //lttv_hooks_destroy(before_event);
217 //lttv_hooks_destroy(after_event);
218 lttv_hooks_destroy(event_hook
);
219 lttv_hooks_remove_data(main_hooks
, process_traceset
, NULL
);
221 nb
= lttv_traceset_number(traceset
);
222 for(i
= 0 ; i
< nb
; i
++) {
223 trace
= lttv_traceset_get(traceset
, i
);
224 ltt_trace_close(lttv_trace(trace
));
225 /* This will be done by lttv_traceset_destroy */
226 //lttv_trace_destroy(trace);
229 lttv_traceset_destroy(traceset
);
233 LTTV_MODULE("batchAnalysis", "Batch processing of a trace", \
234 "Run through a trace calling all the registered hooks", \
235 init
, destroy
, "state", "stats", "option","textFilter")
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