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 <ltt/trace.h>
33 static LttvTraceset
*traceset
;
47 static gboolean a_stats
;
49 void lttv_trace_option(void *hook_data
)
53 trace
= ltt_trace_open(a_trace
);
54 if(trace
== NULL
) g_critical("cannot open trace %s", a_trace
);
55 lttv_traceset_add(traceset
, lttv_trace_new(trace
));
59 static gboolean
process_traceset(void *hook_data
, void *call_data
)
61 LttvTracesetStats
*tscs
;
63 LttvTracesetContext
*tc
;
67 g_info("BatchAnalysis begin process traceset");
69 tscs
= g_object_new(LTTV_TRACESET_STATS_TYPE
, NULL
);
70 tc
= &tscs
->parent
.parent
;
72 g_info("BatchAnalysis initialize context");
74 lttv_context_init(tc
, traceset
);
75 lttv_state_add_event_hooks(&tscs
->parent
);
76 if(a_stats
) lttv_stats_add_event_hooks(tscs
);
78 //lttv_traceset_context_add_hooks(tc,
79 //before_traceset, after_traceset, NULL, before_trace, after_trace,
80 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
81 lttv_process_traceset_begin(tc
,
90 end
.tv_sec
= G_MAXULONG
;
91 end
.tv_nsec
= G_MAXULONG
;
93 g_info("BatchAnalysis process traceset");
95 lttv_process_traceset_seek_time(tc
, start
);
96 lttv_process_traceset_middle(tc
,
101 g_info("BatchAnalysis destroy context");
103 //lttv_traceset_context_remove_hooks(tc,
104 //before_traceset, after_traceset, NULL, before_trace, after_trace,
105 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
106 lttv_process_traceset_end(tc
,
113 lttv_state_remove_event_hooks(&tscs
->parent
);
114 if(a_stats
) lttv_stats_remove_event_hooks(tscs
);
115 lttv_context_fini(tc
);
116 g_object_unref(tscs
);
118 g_info("BatchAnalysis end process traceset");
124 LttvAttributeValue value
;
126 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
128 g_info("Init batchAnalysis.c");
130 lttv_option_add("trace", 't',
131 "add a trace to the trace set to analyse",
132 "pathname of the directory containing the trace",
133 LTTV_OPT_STRING
, &a_trace
, lttv_trace_option
, NULL
);
136 lttv_option_add("stats", 's',
137 "write the traceset and trace statistics",
139 LTTV_OPT_NONE
, &a_stats
, NULL
, NULL
);
142 traceset
= lttv_traceset_new();
144 before_traceset
= lttv_hooks_new();
145 after_traceset
= lttv_hooks_new();
146 before_trace
= lttv_hooks_new();
147 after_trace
= lttv_hooks_new();
148 before_tracefile
= lttv_hooks_new();
149 after_tracefile
= lttv_hooks_new();
150 //before_event = lttv_hooks_new();
151 //after_event = lttv_hooks_new();
152 event_hook
= lttv_hooks_new();
154 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/traceset/before",
155 LTTV_POINTER
, &value
));
156 *(value
.v_pointer
) = before_traceset
;
157 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/traceset/after",
158 LTTV_POINTER
, &value
));
159 *(value
.v_pointer
) = after_traceset
;
160 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/trace/before",
161 LTTV_POINTER
, &value
));
162 *(value
.v_pointer
) = before_trace
;
163 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/trace/after",
164 LTTV_POINTER
, &value
));
165 *(value
.v_pointer
) = after_trace
;
166 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/before",
167 LTTV_POINTER
, &value
));
168 *(value
.v_pointer
) = before_tracefile
;
169 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/after",
170 LTTV_POINTER
, &value
));
171 *(value
.v_pointer
) = after_tracefile
;
172 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
173 // LTTV_POINTER, &value));
174 //*(value.v_pointer) = before_event;
175 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after",
176 // LTTV_POINTER, &value));
177 //*(value.v_pointer) = after_event;
178 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/event",
179 LTTV_POINTER
, &value
));
180 *(value
.v_pointer
) = event_hook
;
182 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/main/before",
183 LTTV_POINTER
, &value
));
184 g_assert((main_hooks
= *(value
.v_pointer
)) != NULL
);
185 lttv_hooks_add(main_hooks
, process_traceset
, NULL
, LTTV_PRIO_DEFAULT
);
189 static void destroy()
195 g_info("Destroy batchAnalysis.c");
197 lttv_option_remove("trace");
198 lttv_option_remove("stats");
200 lttv_hooks_destroy(before_traceset
);
201 lttv_hooks_destroy(after_traceset
);
202 lttv_hooks_destroy(before_trace
);
203 lttv_hooks_destroy(after_trace
);
204 lttv_hooks_destroy(before_tracefile
);
205 lttv_hooks_destroy(after_tracefile
);
206 //lttv_hooks_destroy(before_event);
207 //lttv_hooks_destroy(after_event);
208 lttv_hooks_destroy(event_hook
);
209 lttv_hooks_remove_data(main_hooks
, process_traceset
, NULL
);
211 nb
= lttv_traceset_number(traceset
);
212 for(i
= 0 ; i
< nb
; i
++) {
213 trace
= lttv_traceset_get(traceset
, i
);
214 ltt_trace_close(lttv_trace(trace
));
215 lttv_trace_destroy(trace
);
218 lttv_traceset_destroy(traceset
);
222 LTTV_MODULE("batchAnalysis", "Batch processing of a trace", \
223 "Run through a trace calling all the registered hooks", \
224 init
, destroy
, "state", "stats", "option")
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