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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/processTrace.h> |
9 | #include <lttv/state.h> |
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10 | |
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11 | static LttvTraceset *traceset; |
12 | |
13 | static LttvHooks |
14 | *before_traceset, |
15 | *after_traceset, |
16 | *before_trace, |
17 | *after_trace, |
18 | *before_tracefile, |
19 | *after_tracefile, |
20 | *before_event, |
21 | *after_event, |
22 | *main_hooks; |
23 | |
24 | static char *a_trace; |
25 | |
26 | |
27 | void lttv_trace_option(void *hook_data) |
28 | { |
29 | LttTrace *trace; |
30 | |
31 | trace = ltt_trace_open(a_trace); |
32 | if(trace == NULL) g_critical("cannot open trace %s", a_trace); |
33 | lttv_traceset_add(traceset, trace); |
34 | } |
35 | |
36 | |
37 | static void process_traceset(void *hook_data, void *call_data) |
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38 | { |
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39 | LttvTracesetState *tc; |
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40 | |
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41 | LttTime start, end; |
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42 | |
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43 | tc = g_object_new(LTTV_TRACESET_STATE); |
44 | lttv_context_init(LTTV_TRACESET_CONTEXT(tc), traceset); |
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45 | |
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46 | lttv_traceset_context_add_hooks(LTTV_TRACESET_CONTEXT(tc), |
47 | before_traceset, after_traceset, before_trace, after_trace, |
48 | before_tracefile, after_tracefile, before_event, after_event); |
49 | lttv_state_add_event_hooks(tc); |
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50 | |
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51 | start.tv_sec = 0; |
52 | start.tv_nsec = 0; |
53 | end.tv_sec = G_MAXULONG; |
54 | end.tv_nsec = G_MAXULONG; |
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55 | |
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56 | lttv_process_trace(start, end, traceset, tc); |
57 | lttv_traceset_context_remove_hooks(LTTV_TRACESET_CONTEXT(tc), |
58 | before_traceset, after_traceset, before_trace, after_trace, |
59 | before_tracefile, after_tracefile, before_event, after_event); |
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60 | |
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61 | lttv_state_remove_event_hooks(tc); |
62 | lttv_context_fini(LTTV_TRACESET_CONTEXT(tc)); |
63 | g_object_unref(tc); |
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64 | } |
65 | |
66 | |
67 | void init(int argc, char **argv) |
68 | { |
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69 | LttvAttribute_value *value; |
70 | |
71 | LttvIAttributes *attributes = LTTV_IATTRIBUTES(lttv_global_attributes()); |
72 | |
73 | lttv_option_add("trace", 't', |
74 | "add a trace to the trace set to analyse", |
75 | "pathname of the directory containing the trace", |
76 | LTTV_OPT_STRING, &aTrace, lttv_trace_option, NULL); |
77 | |
78 | traceset = lttv_traceset_new(); |
79 | |
80 | before_traceset = lttv_hooks_new(); |
81 | after_traceset = lttv_hooks_new(); |
82 | before_trace = lttv_hooks_new(); |
83 | after_trace = lttv_hooks_new(); |
84 | before_tracefile = lttv_hooks_new(); |
85 | after_tracefile = lttv_hooks_new(); |
86 | before_event = lttv_hooks_new(); |
87 | after_event = lttv_hooks_new(); |
88 | |
89 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before", |
90 | LTTV_POINTER, &value)); |
91 | *(value->v_pointer) = before_traceset; |
92 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after", |
93 | LTTV_POINTER, &value)); |
94 | *(value->v_pointer) = after_traceset; |
95 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before", |
96 | LTTV_POINTER, &value)); |
97 | *(value->v_pointer) = before_trace; |
98 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/after", |
99 | LTTV_POINTER, &value)); |
100 | *(value->v_pointer) = after_trace; |
101 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/before", |
102 | LTTV_POINTER, &value)); |
103 | *(value->v_pointer) = before_tracefile; |
104 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/after", |
105 | LTTV_POINTER, &value)); |
106 | *(value->v_pointer) = after_tracefile; |
107 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before", |
108 | LTTV_POINTER, &value)); |
109 | *(value->v_pointer) = before_event; |
110 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after", |
111 | LTTV_POINTER, &value)); |
112 | *(value->v_pointer) = after_event; |
113 | |
114 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
115 | LTTV_POINTER, &value)); |
116 | g_assert((main_hooks = *(value->v_pointer)) != NULL); |
117 | lttv_hooks_add(main_hooks, process_traceset, NULL); |
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118 | } |
119 | |
120 | |
121 | void destroy() |
122 | { |
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123 | guint i, nb; |
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124 | |
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125 | lttv_hooks_remove(main_hooks, process_traceset, NULL); |
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126 | |
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127 | lttv_option_remove("trace"); |
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128 | |
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129 | lttv_hooks_destroy(before_traceset); |
130 | lttv_hooks_destroy(after_traceset); |
131 | lttv_hooks_destroy(before_trace); |
132 | lttv_hooks_destroy(after_trace); |
133 | lttv_hooks_destroy(before_tracefile); |
134 | lttv_hooks_destroy(after_tracefile); |
135 | lttv_hooks_destroy(before_event); |
136 | lttv_hooks_destroy(after_event); |
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137 | |
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138 | nb = lttv_traceset_number(traceset); |
139 | for(i = 0 ; i < nb, i++) { |
140 | ltt_trace_close(lttv_traceset_get(traceset); |
141 | } |
142 | } |
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143 | |