ltt/branches/poly/lttv/batchAnalysis.c

   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 #include <lttv/stats.h>
  13
  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
  29 static gboolean a_stats;
  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);
  37   lttv_traceset_add(traceset, trace);
  38 }
  39
  40
  41 static gboolean process_traceset(void *hook_data, void *call_data)
  42 {
  43   LttvTracesetStats *tscs;
  44
  45   LttvTracesetContext *tc;
  46
  47   LttTime start, end;
  48
  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");
  55
  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,
  61   before_traceset, after_traceset, NULL, before_trace, after_trace,
  62   NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
  63
  64   start.tv_sec = 0;
  65   start.tv_nsec = 0;
  66   end.tv_sec = G_MAXULONG;
  67   end.tv_nsec = G_MAXULONG;
  68
  69   g_info("BatchAnalysis process traceset");
  70
  71   lttv_process_trace(start, end, traceset, tc, G_MAXULONG);
  72
  73   g_info("BatchAnalysis destroy context");
  74
  75   lttv_traceset_context_remove_hooks(tc,
  76   before_traceset, after_traceset, NULL, before_trace, after_trace,
  77   NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
  78   lttv_state_remove_event_hooks(&tscs->parent);
  79   if(a_stats) lttv_stats_remove_event_hooks(tscs);
  80   lttv_context_fini(tc);
  81   g_object_unref(tscs);
  82
  83   g_info("BatchAnalysis end process traceset");
  84 }
  85
  86
  87 G_MODULE_EXPORT void init(LttvModule *self, int argc, char **argv)
  88 {
  89   LttvAttributeValue value;
  90
  91   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
  92
  93   g_info("Init batchAnalysis.c");
  94
  95   lttv_option_add("trace", 't',
  96       "add a trace to the trace set to analyse",
  97       "pathname of the directory containing the trace",
  98       LTTV_OPT_STRING, &a_trace, lttv_trace_option, NULL);
  99
 100   a_stats = FALSE;
 101   lttv_option_add("stats", 's',
 102       "write the traceset and trace statistics",
 103       "",
 104       LTTV_OPT_NONE, &a_stats, NULL, NULL);
 105
 106
 107   traceset = lttv_traceset_new();
 108
 109   before_traceset = lttv_hooks_new();
 110   after_traceset = lttv_hooks_new();
 111   before_trace = lttv_hooks_new();
 112   after_trace = lttv_hooks_new();
 113   before_tracefile = lttv_hooks_new();
 114   after_tracefile = lttv_hooks_new();
 115   before_event = lttv_hooks_new();
 116   after_event = lttv_hooks_new();
 117
 118   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before",
 119       LTTV_POINTER, &value));
 120   *(value.v_pointer) = before_traceset;
 121   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after",
 122       LTTV_POINTER, &value));
 123   *(value.v_pointer) = after_traceset;
 124   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before",
 125       LTTV_POINTER, &value));
 126   *(value.v_pointer) = before_trace;
 127   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/after",
 128       LTTV_POINTER, &value));
 129   *(value.v_pointer) = after_trace;
 130   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/before",
 131       LTTV_POINTER, &value));
 132   *(value.v_pointer) = before_tracefile;
 133   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/after",
 134       LTTV_POINTER, &value));
 135   *(value.v_pointer) = after_tracefile;
 136   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
 137       LTTV_POINTER, &value));
 138   *(value.v_pointer) = before_event;
 139   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after",
 140       LTTV_POINTER, &value));
 141   *(value.v_pointer) = after_event;
 142
 143   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before",
 144       LTTV_POINTER, &value));
 145   g_assert((main_hooks = *(value.v_pointer)) != NULL);
 146   lttv_hooks_add(main_hooks, process_traceset, NULL);
 147 }
 148
 149
 150 G_MODULE_EXPORT void destroy()
 151 {
 152   guint i, nb;
 153
 154   g_info("Destroy batchAnalysis.c");
 155
 156   lttv_option_remove("trace");
 157   lttv_option_remove("stats");
 158
 159   lttv_hooks_destroy(before_traceset);
 160   lttv_hooks_destroy(after_traceset);
 161   lttv_hooks_destroy(before_trace);
 162   lttv_hooks_destroy(after_trace);
 163   lttv_hooks_destroy(before_tracefile);
 164   lttv_hooks_destroy(after_tracefile);
 165   lttv_hooks_destroy(before_event);
 166   lttv_hooks_destroy(after_event);
 167   lttv_hooks_remove_data(main_hooks, process_traceset, NULL);
 168
 169   nb = lttv_traceset_number(traceset);
 170   for(i = 0 ; i < nb ; i++) {
 171     ltt_trace_close(lttv_traceset_get(traceset, i));
 172   }
 173
 174   lttv_traceset_destroy(traceset);
 175 }
 176