| 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> |
| 8 | #include <lttv/option.h> |
| 9 | #include <lttv/module.h> |
| 10 | #include <lttv/processTrace.h> |
| 11 | #include <lttv/state.h> |
| 12 | |
| 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 | |
| 39 | static gboolean process_traceset(void *hook_data, void *call_data) |
| 40 | { |
| 41 | LttvTracesetState *tc; |
| 42 | |
| 43 | LttTime start, end; |
| 44 | |
| 45 | tc = g_object_new(LTTV_TRACESET_STATE_TYPE, NULL); |
| 46 | lttv_context_init(LTTV_TRACESET_CONTEXT(tc), traceset); |
| 47 | |
| 48 | lttv_traceset_context_add_hooks(LTTV_TRACESET_CONTEXT(tc), |
| 49 | before_traceset, after_traceset, NULL, before_trace, after_trace, |
| 50 | NULL, before_tracefile, after_tracefile, NULL, before_event, after_event); |
| 51 | lttv_state_add_event_hooks(tc); |
| 52 | |
| 53 | start.tv_sec = 0; |
| 54 | start.tv_nsec = 0; |
| 55 | end.tv_sec = G_MAXULONG; |
| 56 | end.tv_nsec = G_MAXULONG; |
| 57 | |
| 58 | lttv_process_trace(start, end, traceset, LTTV_TRACESET_CONTEXT(tc),G_MAXULONG); |
| 59 | lttv_traceset_context_remove_hooks(LTTV_TRACESET_CONTEXT(tc), |
| 60 | before_traceset, after_traceset, NULL, before_trace, after_trace, |
| 61 | NULL, before_tracefile, after_tracefile, NULL, before_event, after_event); |
| 62 | |
| 63 | lttv_state_remove_event_hooks(tc); |
| 64 | lttv_context_fini(LTTV_TRACESET_CONTEXT(tc)); |
| 65 | g_object_unref(tc); |
| 66 | } |
| 67 | |
| 68 | |
| 69 | G_MODULE_EXPORT void init(LttvModule *self, int argc, char **argv) |
| 70 | { |
| 71 | LttvAttributeValue value; |
| 72 | |
| 73 | LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes()); |
| 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", |
| 78 | LTTV_OPT_STRING, &a_trace, lttv_trace_option, NULL); |
| 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)); |
| 93 | *(value.v_pointer) = before_traceset; |
| 94 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after", |
| 95 | LTTV_POINTER, &value)); |
| 96 | *(value.v_pointer) = after_traceset; |
| 97 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before", |
| 98 | LTTV_POINTER, &value)); |
| 99 | *(value.v_pointer) = before_trace; |
| 100 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/after", |
| 101 | LTTV_POINTER, &value)); |
| 102 | *(value.v_pointer) = after_trace; |
| 103 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/before", |
| 104 | LTTV_POINTER, &value)); |
| 105 | *(value.v_pointer) = before_tracefile; |
| 106 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/after", |
| 107 | LTTV_POINTER, &value)); |
| 108 | *(value.v_pointer) = after_tracefile; |
| 109 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before", |
| 110 | LTTV_POINTER, &value)); |
| 111 | *(value.v_pointer) = before_event; |
| 112 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after", |
| 113 | LTTV_POINTER, &value)); |
| 114 | *(value.v_pointer) = after_event; |
| 115 | |
| 116 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
| 117 | LTTV_POINTER, &value)); |
| 118 | g_assert((main_hooks = *(value.v_pointer)) != NULL); |
| 119 | lttv_hooks_add(main_hooks, process_traceset, NULL); |
| 120 | } |
| 121 | |
| 122 | |
| 123 | G_MODULE_EXPORT void destroy() |
| 124 | { |
| 125 | guint i, nb; |
| 126 | |
| 127 | lttv_option_remove("trace"); |
| 128 | |
| 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); |
| 137 | lttv_hooks_remove_data(main_hooks, process_traceset, NULL); |
| 138 | |
| 139 | nb = lttv_traceset_number(traceset); |
| 140 | for(i = 0 ; i < nb ; i++) { |
| 141 | ltt_trace_close(lttv_traceset_get(traceset, i)); |
| 142 | } |
| 143 | |
| 144 | lttv_traceset_destroy(traceset); |
| 145 | } |
| 146 | |