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1 | /* This module inserts a hook in the program main loop. This hook processes |
2 | all the events in the main tracefile. */ |
3 | |
4 | |
5 | #include <lttv/lttv.h> |
6 | #include <lttv/attribute.h> |
7 | #include <lttv/hook.h> |
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8 | #include <lttv/option.h> |
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9 | #include <lttv/module.h> |
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10 | #include <lttv/processTrace.h> |
11 | #include <lttv/state.h> |
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12 | #include <lttv/stats.h> |
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13 | |
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14 | static LttvTraceset *traceset; |
15 | |
16 | static LttvHooks |
17 | *before_traceset, |
18 | *after_traceset, |
19 | *before_trace, |
20 | *after_trace, |
21 | *before_tracefile, |
22 | *after_tracefile, |
23 | *before_event, |
24 | *after_event, |
25 | *main_hooks; |
26 | |
27 | static char *a_trace; |
28 | |
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29 | static gboolean a_stats; |
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30 | |
31 | void lttv_trace_option(void *hook_data) |
32 | { |
33 | LttTrace *trace; |
34 | |
35 | trace = ltt_trace_open(a_trace); |
36 | if(trace == NULL) g_critical("cannot open trace %s", a_trace); |
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37 | lttv_traceset_add(traceset, lttv_trace_new(trace)); |
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38 | } |
39 | |
40 | |
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41 | static gboolean process_traceset(void *hook_data, void *call_data) |
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42 | { |
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43 | LttvTracesetStats *tscs; |
44 | |
45 | LttvTracesetContext *tc; |
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46 | |
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47 | LttTime start, end; |
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48 | |
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49 | g_info("BatchAnalysis begin process traceset"); |
50 | |
51 | tscs = g_object_new(LTTV_TRACESET_STATS_TYPE, NULL); |
52 | tc = &tscs->parent.parent; |
53 | |
54 | g_info("BatchAnalysis initialize context"); |
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55 | |
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56 | lttv_context_init(tc, traceset); |
57 | lttv_state_add_event_hooks(&tscs->parent); |
58 | if(a_stats) lttv_stats_add_event_hooks(tscs); |
59 | |
60 | lttv_traceset_context_add_hooks(tc, |
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61 | before_traceset, after_traceset, NULL, before_trace, after_trace, |
62 | NULL, before_tracefile, after_tracefile, NULL, before_event, after_event); |
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63 | |
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64 | start.tv_sec = 0; |
65 | start.tv_nsec = 0; |
66 | end.tv_sec = G_MAXULONG; |
67 | end.tv_nsec = G_MAXULONG; |
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68 | |
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69 | g_info("BatchAnalysis process traceset"); |
70 | |
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71 | lttv_process_traceset_seek_time(tc, start); |
72 | lttv_process_traceset(tc, end, G_MAXULONG); |
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73 | |
74 | g_info("BatchAnalysis destroy context"); |
75 | |
76 | lttv_traceset_context_remove_hooks(tc, |
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77 | before_traceset, after_traceset, NULL, before_trace, after_trace, |
78 | NULL, before_tracefile, after_tracefile, NULL, before_event, after_event); |
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79 | lttv_state_remove_event_hooks(&tscs->parent); |
80 | if(a_stats) lttv_stats_remove_event_hooks(tscs); |
81 | lttv_context_fini(tc); |
82 | g_object_unref(tscs); |
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83 | |
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84 | g_info("BatchAnalysis end process traceset"); |
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85 | } |
86 | |
87 | |
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88 | G_MODULE_EXPORT void init(LttvModule *self, int argc, char **argv) |
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89 | { |
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90 | LttvAttributeValue value; |
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91 | |
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92 | LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes()); |
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93 | |
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94 | g_info("Init batchAnalysis.c"); |
95 | |
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96 | lttv_option_add("trace", 't', |
97 | "add a trace to the trace set to analyse", |
98 | "pathname of the directory containing the trace", |
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99 | LTTV_OPT_STRING, &a_trace, lttv_trace_option, NULL); |
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100 | |
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101 | a_stats = FALSE; |
102 | lttv_option_add("stats", 's', |
103 | "write the traceset and trace statistics", |
104 | "", |
105 | LTTV_OPT_NONE, &a_stats, NULL, NULL); |
106 | |
107 | |
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108 | traceset = lttv_traceset_new(); |
109 | |
110 | before_traceset = lttv_hooks_new(); |
111 | after_traceset = lttv_hooks_new(); |
112 | before_trace = lttv_hooks_new(); |
113 | after_trace = lttv_hooks_new(); |
114 | before_tracefile = lttv_hooks_new(); |
115 | after_tracefile = lttv_hooks_new(); |
116 | before_event = lttv_hooks_new(); |
117 | after_event = lttv_hooks_new(); |
118 | |
119 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before", |
120 | LTTV_POINTER, &value)); |
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121 | *(value.v_pointer) = before_traceset; |
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122 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after", |
123 | LTTV_POINTER, &value)); |
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124 | *(value.v_pointer) = after_traceset; |
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125 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before", |
126 | LTTV_POINTER, &value)); |
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127 | *(value.v_pointer) = before_trace; |
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128 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/after", |
129 | LTTV_POINTER, &value)); |
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130 | *(value.v_pointer) = after_trace; |
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131 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/before", |
132 | LTTV_POINTER, &value)); |
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133 | *(value.v_pointer) = before_tracefile; |
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134 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/after", |
135 | LTTV_POINTER, &value)); |
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136 | *(value.v_pointer) = after_tracefile; |
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137 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before", |
138 | LTTV_POINTER, &value)); |
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139 | *(value.v_pointer) = before_event; |
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140 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after", |
141 | LTTV_POINTER, &value)); |
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142 | *(value.v_pointer) = after_event; |
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143 | |
144 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
145 | LTTV_POINTER, &value)); |
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146 | g_assert((main_hooks = *(value.v_pointer)) != NULL); |
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147 | lttv_hooks_add(main_hooks, process_traceset, NULL); |
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148 | } |
149 | |
150 | |
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151 | G_MODULE_EXPORT void destroy() |
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152 | { |
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153 | guint i, nb; |
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154 | |
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155 | LttvTrace *trace; |
156 | |
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157 | g_info("Destroy batchAnalysis.c"); |
158 | |
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159 | lttv_option_remove("trace"); |
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160 | lttv_option_remove("stats"); |
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161 | |
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162 | lttv_hooks_destroy(before_traceset); |
163 | lttv_hooks_destroy(after_traceset); |
164 | lttv_hooks_destroy(before_trace); |
165 | lttv_hooks_destroy(after_trace); |
166 | lttv_hooks_destroy(before_tracefile); |
167 | lttv_hooks_destroy(after_tracefile); |
168 | lttv_hooks_destroy(before_event); |
169 | lttv_hooks_destroy(after_event); |
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170 | lttv_hooks_remove_data(main_hooks, process_traceset, NULL); |
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171 | |
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172 | nb = lttv_traceset_number(traceset); |
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173 | for(i = 0 ; i < nb ; i++) { |
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174 | trace = lttv_traceset_get(traceset, i); |
175 | ltt_trace_close(lttv_trace(trace)); |
176 | lttv_trace_destroy(trace); |
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177 | } |
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178 | |
179 | lttv_traceset_destroy(traceset); |
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180 | } |
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181 | |