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 void lttv_trace_option(void *hook_data
)
54 trace
= ltt_trace_open(a_trace
);
55 if(trace
== NULL
) g_critical("cannot open trace %s", a_trace
);
56 lttv_traceset_add(traceset
, lttv_trace_new(trace
));
60 static gboolean
process_traceset(void *hook_data
, void *call_data
)
62 LttvAttributeValue value_expression
, value_filter
;
64 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
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 g_assert(lttv_iattribute_find_by_path(attributes
, "filter/expression",
84 LTTV_POINTER
, &value_expression
));
86 g_assert(lttv_iattribute_find_by_path(attributes
, "filter/lttv_filter",
87 LTTV_POINTER
, &value_filter
));
89 *(value_filter
.v_pointer
) = lttv_filter_new();
90 g_debug("Filter string: %s",((GString
*)*(value_expression
.v_pointer
))->str
);
92 g_assert(lttv_filter_append_expression(*(value_filter
.v_pointer
),((GString
*)*(value_expression
.v_pointer
))->str
));
94 //lttv_traceset_context_add_hooks(tc,
95 //before_traceset, after_traceset, NULL, before_trace, after_trace,
96 //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
97 lttv_process_traceset_begin(tc
,
106 end
.tv_sec
= G_MAXULONG
;
107 end
.tv_nsec
= G_MAXULONG
;
109 g_info("BatchAnalysis process traceset");
111 lttv_process_traceset_seek_time(tc
, start
);
112 lttv_process_traceset_middle(tc
,
117 g_info("BatchAnalysis destroy context");
119 //lttv_traceset_context_remove_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_end(tc
,
129 lttv_filter_destroy(*(value_filter
.v_pointer
));
130 lttv_state_remove_event_hooks(&tscs
->parent
);
131 if(a_stats
) lttv_stats_remove_event_hooks(tscs
);
132 lttv_context_fini(tc
);
133 g_object_unref(tscs
);
135 g_info("BatchAnalysis end process traceset");
142 LttvAttributeValue value
;
144 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
146 g_info("Init batchAnalysis.c");
148 lttv_option_add("trace", 't',
149 "add a trace to the trace set to analyse",
150 "pathname of the directory containing the trace",
151 LTTV_OPT_STRING
, &a_trace
, lttv_trace_option
, NULL
);
154 lttv_option_add("stats", 's',
155 "write the traceset and trace statistics",
157 LTTV_OPT_NONE
, &a_stats
, NULL
, NULL
);
160 traceset
= lttv_traceset_new();
162 before_traceset
= lttv_hooks_new();
163 after_traceset
= lttv_hooks_new();
164 before_trace
= lttv_hooks_new();
165 after_trace
= lttv_hooks_new();
166 before_tracefile
= lttv_hooks_new();
167 after_tracefile
= lttv_hooks_new();
168 //before_event = lttv_hooks_new();
169 //after_event = lttv_hooks_new();
170 event_hook
= lttv_hooks_new();
172 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/traceset/before",
173 LTTV_POINTER
, &value
));
174 *(value
.v_pointer
) = before_traceset
;
175 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/traceset/after",
176 LTTV_POINTER
, &value
));
177 *(value
.v_pointer
) = after_traceset
;
178 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/trace/before",
179 LTTV_POINTER
, &value
));
180 *(value
.v_pointer
) = before_trace
;
181 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/trace/after",
182 LTTV_POINTER
, &value
));
183 *(value
.v_pointer
) = after_trace
;
184 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/before",
185 LTTV_POINTER
, &value
));
186 *(value
.v_pointer
) = before_tracefile
;
187 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/tracefile/after",
188 LTTV_POINTER
, &value
));
189 *(value
.v_pointer
) = after_tracefile
;
190 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
191 // LTTV_POINTER, &value));
192 //*(value.v_pointer) = before_event;
193 //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after",
194 // LTTV_POINTER, &value));
195 //*(value.v_pointer) = after_event;
196 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/event",
197 LTTV_POINTER
, &value
));
198 *(value
.v_pointer
) = event_hook
;
200 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/main/before",
201 LTTV_POINTER
, &value
));
202 g_assert((main_hooks
= *(value
.v_pointer
)) != NULL
);
203 lttv_hooks_add(main_hooks
, process_traceset
, NULL
, LTTV_PRIO_DEFAULT
);
207 static void destroy()
213 g_info("Destroy batchAnalysis.c");
215 lttv_option_remove("trace");
216 lttv_option_remove("stats");
218 lttv_hooks_destroy(before_traceset
);
219 lttv_hooks_destroy(after_traceset
);
220 lttv_hooks_destroy(before_trace
);
221 lttv_hooks_destroy(after_trace
);
222 lttv_hooks_destroy(before_tracefile
);
223 lttv_hooks_destroy(after_tracefile
);
224 //lttv_hooks_destroy(before_event);
225 //lttv_hooks_destroy(after_event);
226 lttv_hooks_destroy(event_hook
);
227 lttv_hooks_remove_data(main_hooks
, process_traceset
, NULL
);
229 nb
= lttv_traceset_number(traceset
);
230 for(i
= 0 ; i
< nb
; i
++) {
231 trace
= lttv_traceset_get(traceset
, i
);
232 ltt_trace_close(lttv_trace(trace
));
233 /* This will be done by lttv_traceset_destroy */
234 //lttv_trace_destroy(trace);
237 lttv_traceset_destroy(traceset
);
241 LTTV_MODULE("batchAnalysis", "Batch processing of a trace", \
242 "Run through a trace calling all the registered hooks", \
243 init
, destroy
, "state", "stats", "option","textFilter")