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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 | |
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13 | static LttvTraceset *traceset; |
14 | |
15 | static LttvHooks |
16 | *before_traceset, |
17 | *after_traceset, |
18 | *before_trace, |
19 | *after_trace, |
20 | *before_tracefile, |
21 | *after_tracefile, |
22 | *before_event, |
23 | *after_event, |
24 | *main_hooks; |
25 | |
26 | static char *a_trace; |
27 | |
28 | |
29 | void lttv_trace_option(void *hook_data) |
30 | { |
31 | LttTrace *trace; |
32 | |
33 | trace = ltt_trace_open(a_trace); |
34 | if(trace == NULL) g_critical("cannot open trace %s", a_trace); |
35 | lttv_traceset_add(traceset, trace); |
36 | } |
37 | |
38 | |
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39 | static gboolean process_traceset(void *hook_data, void *call_data) |
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40 | { |
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41 | LttvTracesetState *tc; |
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42 | |
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43 | LttTime start, end; |
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44 | |
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45 | tc = g_object_new(LTTV_TRACESET_STATE_TYPE, NULL); |
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46 | lttv_context_init(LTTV_TRACESET_CONTEXT(tc), traceset); |
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47 | |
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48 | lttv_traceset_context_add_hooks(LTTV_TRACESET_CONTEXT(tc), |
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49 | before_traceset, after_traceset, NULL, before_trace, after_trace, |
50 | NULL, before_tracefile, after_tracefile, NULL, before_event, after_event); |
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51 | lttv_state_add_event_hooks(tc); |
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52 | |
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53 | start.tv_sec = 0; |
54 | start.tv_nsec = 0; |
55 | end.tv_sec = G_MAXULONG; |
56 | end.tv_nsec = G_MAXULONG; |
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57 | |
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58 | lttv_process_trace(start, end, traceset, LTTV_TRACESET_CONTEXT(tc)); |
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59 | lttv_traceset_context_remove_hooks(LTTV_TRACESET_CONTEXT(tc), |
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60 | before_traceset, after_traceset, NULL, before_trace, after_trace, |
61 | NULL, before_tracefile, after_tracefile, NULL, before_event, after_event); |
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62 | |
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63 | lttv_state_remove_event_hooks(tc); |
64 | lttv_context_fini(LTTV_TRACESET_CONTEXT(tc)); |
65 | g_object_unref(tc); |
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66 | } |
67 | |
68 | |
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69 | G_MODULE_EXPORT void init(LttvModule *self, int argc, char **argv) |
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70 | { |
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71 | LttvAttributeValue value; |
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72 | |
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73 | LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes()); |
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74 | |
75 | lttv_option_add("trace", 't', |
76 | "add a trace to the trace set to analyse", |
77 | "pathname of the directory containing the trace", |
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78 | LTTV_OPT_STRING, &a_trace, lttv_trace_option, NULL); |
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79 | |
80 | traceset = lttv_traceset_new(); |
81 | |
82 | before_traceset = lttv_hooks_new(); |
83 | after_traceset = lttv_hooks_new(); |
84 | before_trace = lttv_hooks_new(); |
85 | after_trace = lttv_hooks_new(); |
86 | before_tracefile = lttv_hooks_new(); |
87 | after_tracefile = lttv_hooks_new(); |
88 | before_event = lttv_hooks_new(); |
89 | after_event = lttv_hooks_new(); |
90 | |
91 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before", |
92 | LTTV_POINTER, &value)); |
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93 | *(value.v_pointer) = before_traceset; |
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94 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after", |
95 | LTTV_POINTER, &value)); |
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96 | *(value.v_pointer) = after_traceset; |
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97 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before", |
98 | LTTV_POINTER, &value)); |
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99 | *(value.v_pointer) = before_trace; |
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100 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/after", |
101 | LTTV_POINTER, &value)); |
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102 | *(value.v_pointer) = after_trace; |
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103 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/before", |
104 | LTTV_POINTER, &value)); |
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105 | *(value.v_pointer) = before_tracefile; |
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106 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/after", |
107 | LTTV_POINTER, &value)); |
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108 | *(value.v_pointer) = after_tracefile; |
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109 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before", |
110 | LTTV_POINTER, &value)); |
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111 | *(value.v_pointer) = before_event; |
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112 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after", |
113 | LTTV_POINTER, &value)); |
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114 | *(value.v_pointer) = after_event; |
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115 | |
116 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
117 | LTTV_POINTER, &value)); |
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118 | g_assert((main_hooks = *(value.v_pointer)) != NULL); |
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119 | lttv_hooks_add(main_hooks, process_traceset, NULL); |
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120 | } |
121 | |
122 | |
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123 | G_MODULE_EXPORT void destroy() |
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124 | { |
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125 | guint i, nb; |
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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 | lttv_hooks_remove_data(main_hooks, process_traceset, NULL); |
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138 | |
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139 | nb = lttv_traceset_number(traceset); |
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140 | for(i = 0 ; i < nb ; i++) { |
141 | ltt_trace_close(lttv_traceset_get(traceset, i)); |
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142 | } |
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143 | |
144 | lttv_traceset_destroy(traceset); |
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145 | } |
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146 | |