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1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2003-2004 Michel Dagenais |
3 | * |
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; |
7 | * |
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. |
12 | * |
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, |
16 | * MA 02111-1307, USA. |
17 | */ |
18 | |
48f6f3c2 |
19 | /* This module inserts a hook in the program main loop. This hook processes |
20 | all the events in the main tracefile. */ |
21 | |
22 | |
23 | #include <lttv/lttv.h> |
24 | #include <lttv/attribute.h> |
25 | #include <lttv/hook.h> |
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26 | #include <lttv/option.h> |
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27 | #include <lttv/module.h> |
d8f124de |
28 | #include <lttv/tracecontext.h> |
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29 | #include <lttv/state.h> |
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30 | #include <lttv/stats.h> |
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31 | #include <lttv/filter.h> |
a5dcde2f |
32 | #include <ltt/trace.h> |
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33 | |
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34 | static LttvTraceset *traceset; |
35 | |
36 | static LttvHooks |
37 | *before_traceset, |
38 | *after_traceset, |
39 | *before_trace, |
40 | *after_trace, |
41 | *before_tracefile, |
42 | *after_tracefile, |
12c59c3d |
43 | *event_hook, |
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44 | *main_hooks; |
45 | |
46 | static char *a_trace; |
47 | |
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48 | static gboolean a_stats; |
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49 | |
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50 | static lttv_filter *a_lttv_filter; |
51 | |
52 | extern GString *a_filter_string; |
53 | |
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54 | void lttv_trace_option(void *hook_data) |
55 | { |
56 | LttTrace *trace; |
57 | |
58 | trace = ltt_trace_open(a_trace); |
59 | if(trace == NULL) g_critical("cannot open trace %s", a_trace); |
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60 | lttv_traceset_add(traceset, lttv_trace_new(trace)); |
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61 | } |
62 | |
63 | |
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64 | static gboolean process_traceset(void *hook_data, void *call_data) |
48f6f3c2 |
65 | { |
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66 | LttvTracesetStats *tscs; |
67 | |
68 | LttvTracesetContext *tc; |
48f6f3c2 |
69 | |
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70 | LttTime start, end; |
48f6f3c2 |
71 | |
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72 | g_info("BatchAnalysis begin process traceset"); |
73 | |
74 | tscs = g_object_new(LTTV_TRACESET_STATS_TYPE, NULL); |
75 | tc = &tscs->parent.parent; |
76 | |
77 | g_info("BatchAnalysis initialize context"); |
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78 | |
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79 | lttv_context_init(tc, traceset); |
80 | lttv_state_add_event_hooks(&tscs->parent); |
81 | if(a_stats) lttv_stats_add_event_hooks(tscs); |
82 | |
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83 | a_lttv_filter = lttv_filter_new(a_filter_string,(LttvTraceState*)tscs); |
84 | |
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85 | //lttv_traceset_context_add_hooks(tc, |
86 | //before_traceset, after_traceset, NULL, before_trace, after_trace, |
87 | //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event); |
88 | lttv_process_traceset_begin(tc, |
89 | before_traceset, |
90 | before_trace, |
91 | before_tracefile, |
92 | event_hook, |
93 | NULL); |
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94 | |
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95 | start.tv_sec = 0; |
96 | start.tv_nsec = 0; |
97 | end.tv_sec = G_MAXULONG; |
98 | end.tv_nsec = G_MAXULONG; |
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99 | |
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100 | g_info("BatchAnalysis process traceset"); |
101 | |
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102 | lttv_process_traceset_seek_time(tc, start); |
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103 | lttv_process_traceset_middle(tc, |
104 | end, |
105 | G_MAXULONG, |
106 | NULL); |
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107 | |
108 | g_info("BatchAnalysis destroy context"); |
109 | |
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110 | //lttv_traceset_context_remove_hooks(tc, |
111 | //before_traceset, after_traceset, NULL, before_trace, after_trace, |
112 | //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event); |
113 | lttv_process_traceset_end(tc, |
114 | after_traceset, |
115 | after_trace, |
116 | after_tracefile, |
117 | event_hook, |
118 | NULL); |
119 | |
1da1525d |
120 | lttv_filter_destroy(a_lttv_filter); |
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121 | lttv_state_remove_event_hooks(&tscs->parent); |
122 | if(a_stats) lttv_stats_remove_event_hooks(tscs); |
123 | lttv_context_fini(tc); |
124 | g_object_unref(tscs); |
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125 | |
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126 | g_info("BatchAnalysis end process traceset"); |
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127 | return FALSE; |
48f6f3c2 |
128 | } |
129 | |
130 | |
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131 | static void init() |
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132 | { |
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133 | LttvAttributeValue value; |
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134 | |
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135 | LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes()); |
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136 | |
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137 | g_info("Init batchAnalysis.c"); |
138 | |
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139 | lttv_option_add("trace", 't', |
140 | "add a trace to the trace set to analyse", |
141 | "pathname of the directory containing the trace", |
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142 | LTTV_OPT_STRING, &a_trace, lttv_trace_option, NULL); |
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143 | |
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144 | a_stats = FALSE; |
145 | lttv_option_add("stats", 's', |
146 | "write the traceset and trace statistics", |
147 | "", |
148 | LTTV_OPT_NONE, &a_stats, NULL, NULL); |
149 | |
150 | |
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151 | traceset = lttv_traceset_new(); |
152 | |
153 | before_traceset = lttv_hooks_new(); |
154 | after_traceset = lttv_hooks_new(); |
155 | before_trace = lttv_hooks_new(); |
156 | after_trace = lttv_hooks_new(); |
157 | before_tracefile = lttv_hooks_new(); |
158 | after_tracefile = lttv_hooks_new(); |
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159 | //before_event = lttv_hooks_new(); |
160 | //after_event = lttv_hooks_new(); |
161 | event_hook = lttv_hooks_new(); |
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162 | |
163 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before", |
164 | LTTV_POINTER, &value)); |
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165 | *(value.v_pointer) = before_traceset; |
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166 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after", |
167 | LTTV_POINTER, &value)); |
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168 | *(value.v_pointer) = after_traceset; |
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169 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before", |
170 | LTTV_POINTER, &value)); |
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171 | *(value.v_pointer) = before_trace; |
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172 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/after", |
173 | LTTV_POINTER, &value)); |
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174 | *(value.v_pointer) = after_trace; |
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175 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/before", |
176 | LTTV_POINTER, &value)); |
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177 | *(value.v_pointer) = before_tracefile; |
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178 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/after", |
179 | LTTV_POINTER, &value)); |
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180 | *(value.v_pointer) = after_tracefile; |
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181 | //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before", |
182 | // LTTV_POINTER, &value)); |
183 | //*(value.v_pointer) = before_event; |
184 | //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after", |
185 | // LTTV_POINTER, &value)); |
186 | //*(value.v_pointer) = after_event; |
187 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event", |
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188 | LTTV_POINTER, &value)); |
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189 | *(value.v_pointer) = event_hook; |
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190 | |
191 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
192 | LTTV_POINTER, &value)); |
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193 | g_assert((main_hooks = *(value.v_pointer)) != NULL); |
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194 | lttv_hooks_add(main_hooks, process_traceset, NULL, LTTV_PRIO_DEFAULT); |
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195 | } |
196 | |
197 | |
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198 | static void destroy() |
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199 | { |
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200 | guint i, nb; |
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201 | |
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202 | LttvTrace *trace; |
203 | |
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204 | g_info("Destroy batchAnalysis.c"); |
205 | |
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206 | lttv_option_remove("trace"); |
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207 | lttv_option_remove("stats"); |
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208 | |
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209 | lttv_hooks_destroy(before_traceset); |
210 | lttv_hooks_destroy(after_traceset); |
211 | lttv_hooks_destroy(before_trace); |
212 | lttv_hooks_destroy(after_trace); |
213 | lttv_hooks_destroy(before_tracefile); |
214 | lttv_hooks_destroy(after_tracefile); |
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215 | //lttv_hooks_destroy(before_event); |
216 | //lttv_hooks_destroy(after_event); |
217 | lttv_hooks_destroy(event_hook); |
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218 | lttv_hooks_remove_data(main_hooks, process_traceset, NULL); |
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219 | |
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220 | nb = lttv_traceset_number(traceset); |
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221 | for(i = 0 ; i < nb ; i++) { |
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222 | trace = lttv_traceset_get(traceset, i); |
223 | ltt_trace_close(lttv_trace(trace)); |
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224 | /* This will be done by lttv_traceset_destroy */ |
225 | //lttv_trace_destroy(trace); |
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226 | } |
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227 | |
228 | lttv_traceset_destroy(traceset); |
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229 | } |
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230 | |
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231 | |
232 | LTTV_MODULE("batchAnalysis", "Batch processing of a trace", \ |
233 | "Run through a trace calling all the registered hooks", \ |
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234 | init, destroy, "state", "stats", "option","filter") |