48f6f3c2 |
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> |
996acd92 |
8 | #include <lttv/module.h> |
dc877563 |
9 | #include <lttv/processTrace.h> |
10 | #include <lttv/state.h> |
48f6f3c2 |
11 | |
dc877563 |
12 | static LttvTraceset *traceset; |
13 | |
14 | static LttvHooks |
15 | *before_traceset, |
16 | *after_traceset, |
17 | *before_trace, |
18 | *after_trace, |
19 | *before_tracefile, |
20 | *after_tracefile, |
21 | *before_event, |
22 | *after_event, |
23 | *main_hooks; |
24 | |
25 | static char *a_trace; |
26 | |
27 | |
28 | void lttv_trace_option(void *hook_data) |
29 | { |
30 | LttTrace *trace; |
31 | |
32 | trace = ltt_trace_open(a_trace); |
33 | if(trace == NULL) g_critical("cannot open trace %s", a_trace); |
34 | lttv_traceset_add(traceset, trace); |
35 | } |
36 | |
37 | |
38 | static void process_traceset(void *hook_data, void *call_data) |
48f6f3c2 |
39 | { |
dc877563 |
40 | LttvTracesetState *tc; |
48f6f3c2 |
41 | |
dc877563 |
42 | LttTime start, end; |
48f6f3c2 |
43 | |
dc877563 |
44 | tc = g_object_new(LTTV_TRACESET_STATE); |
45 | lttv_context_init(LTTV_TRACESET_CONTEXT(tc), traceset); |
48f6f3c2 |
46 | |
dc877563 |
47 | lttv_traceset_context_add_hooks(LTTV_TRACESET_CONTEXT(tc), |
48 | before_traceset, after_traceset, before_trace, after_trace, |
49 | before_tracefile, after_tracefile, before_event, after_event); |
50 | lttv_state_add_event_hooks(tc); |
48f6f3c2 |
51 | |
dc877563 |
52 | start.tv_sec = 0; |
53 | start.tv_nsec = 0; |
54 | end.tv_sec = G_MAXULONG; |
55 | end.tv_nsec = G_MAXULONG; |
48f6f3c2 |
56 | |
dc877563 |
57 | lttv_process_trace(start, end, traceset, tc); |
58 | lttv_traceset_context_remove_hooks(LTTV_TRACESET_CONTEXT(tc), |
59 | before_traceset, after_traceset, before_trace, after_trace, |
60 | before_tracefile, after_tracefile, before_event, after_event); |
48f6f3c2 |
61 | |
dc877563 |
62 | lttv_state_remove_event_hooks(tc); |
63 | lttv_context_fini(LTTV_TRACESET_CONTEXT(tc)); |
64 | g_object_unref(tc); |
48f6f3c2 |
65 | } |
66 | |
67 | |
996acd92 |
68 | void init(LttvModule *self, int argc, char **argv) |
48f6f3c2 |
69 | { |
dc877563 |
70 | LttvAttribute_value *value; |
71 | |
72 | LttvIAttributes *attributes = LTTV_IATTRIBUTES(lttv_global_attributes()); |
73 | |
74 | lttv_option_add("trace", 't', |
75 | "add a trace to the trace set to analyse", |
76 | "pathname of the directory containing the trace", |
77 | LTTV_OPT_STRING, &aTrace, lttv_trace_option, NULL); |
78 | |
79 | traceset = lttv_traceset_new(); |
80 | |
81 | before_traceset = lttv_hooks_new(); |
82 | after_traceset = lttv_hooks_new(); |
83 | before_trace = lttv_hooks_new(); |
84 | after_trace = lttv_hooks_new(); |
85 | before_tracefile = lttv_hooks_new(); |
86 | after_tracefile = lttv_hooks_new(); |
87 | before_event = lttv_hooks_new(); |
88 | after_event = lttv_hooks_new(); |
89 | |
90 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before", |
91 | LTTV_POINTER, &value)); |
92 | *(value->v_pointer) = before_traceset; |
93 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after", |
94 | LTTV_POINTER, &value)); |
95 | *(value->v_pointer) = after_traceset; |
96 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before", |
97 | LTTV_POINTER, &value)); |
98 | *(value->v_pointer) = before_trace; |
99 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/after", |
100 | LTTV_POINTER, &value)); |
101 | *(value->v_pointer) = after_trace; |
102 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/before", |
103 | LTTV_POINTER, &value)); |
104 | *(value->v_pointer) = before_tracefile; |
105 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/after", |
106 | LTTV_POINTER, &value)); |
107 | *(value->v_pointer) = after_tracefile; |
108 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before", |
109 | LTTV_POINTER, &value)); |
110 | *(value->v_pointer) = before_event; |
111 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after", |
112 | LTTV_POINTER, &value)); |
113 | *(value->v_pointer) = after_event; |
114 | |
115 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
116 | LTTV_POINTER, &value)); |
117 | g_assert((main_hooks = *(value->v_pointer)) != NULL); |
118 | lttv_hooks_add(main_hooks, process_traceset, NULL); |
48f6f3c2 |
119 | } |
120 | |
121 | |
122 | void destroy() |
123 | { |
dc877563 |
124 | guint i, nb; |
48f6f3c2 |
125 | |
dc877563 |
126 | lttv_hooks_remove(main_hooks, process_traceset, NULL); |
48f6f3c2 |
127 | |
dc877563 |
128 | lttv_option_remove("trace"); |
48f6f3c2 |
129 | |
dc877563 |
130 | lttv_hooks_destroy(before_traceset); |
131 | lttv_hooks_destroy(after_traceset); |
132 | lttv_hooks_destroy(before_trace); |
133 | lttv_hooks_destroy(after_trace); |
134 | lttv_hooks_destroy(before_tracefile); |
135 | lttv_hooks_destroy(after_tracefile); |
136 | lttv_hooks_destroy(before_event); |
137 | lttv_hooks_destroy(after_event); |
48f6f3c2 |
138 | |
dc877563 |
139 | nb = lttv_traceset_number(traceset); |
140 | for(i = 0 ; i < nb, i++) { |
141 | ltt_trace_close(lttv_traceset_get(traceset); |
142 | } |
143 | } |
48f6f3c2 |
144 | |