ltt/branches/poly/lttv/traceset.c

   1
   2 #include <lttv/traceset.h>
   3
   4 /* A trace is a sequence of events gathered in the same tracing session. The
   5    events may be stored in several tracefiles in the same directory.
   6    A trace set is defined when several traces are to be analyzed together,
   7    possibly to study the interactions between events in the different traces.
   8 */
   9
  10 struct _LttvTraceset {
  11   GPtrArray *traces;
  12   GPtrArray *attributes;
  13   LttvAttribute *a;
  14 };
  15
  16
  17 LttvTraceset *lttv_trace_set_new()
  18 {
  19   LttvTraceset *s;
  20
  21   s = g_new(LttvTraceset, 1);
  22   s->traces = g_ptr_array_new();
  23   s->attributes = g_ptr_array_new();
  24   s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
  25 }
  26
  27
  28 void lttv_traceset_destroy(LttvTraceset *s)
  29 {
  30   int i, nb;
  31
  32   for(i = 0 ; i < s->attributes->len ; i++) {
  33     g_object_unref((LttvAttribute *)s->attributes->pdata[i]);
  34   }
  35   g_ptr_array_free(s->attributes, TRUE);
  36   g_ptr_array_free(s->traces, TRUE);
  37   g_object_unref(s->a);
  38   g_free(s);
  39 }
  40
  41
  42 void lttv_traceset_add(LttvTraceset *s, LttTrace *t)
  43 {
  44   g_ptr_array_add(s->traces, t);
  45   g_ptr_array_add(s->attributes, g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
  46 }
  47
  48
  49 unsigned lttv_traceset_number(LttvTraceset *s)
  50 {
  51   return s->traces->len;
  52 }
  53
  54
  55 LttTrace *lttv_traceset_get(LttvTraceset *s, unsigned i)
  56 {
  57   g_assert(s->traces->len > i);
  58   return ((LttTrace *)s->traces->pdata[i]);
  59 }
  60
  61
  62 void lttv_traceset_remove(LttvTraceset *s, unsigned i)
  63 {
  64   g_ptr_array_remove_index(s->traces, i);
  65   g_object_unref(s->attributes->pdata[i]);
  66   g_ptr_array_remove_index(s->attributes,i);
  67 }
  68
  69
  70 /* A set of attributes is attached to each trace set, trace and tracefile
  71    to store user defined data as needed. */
  72
  73 LttvAttribute *lttv_traceset_attribute(LttvTraceset *s)
  74 {
  75   return s->a;
  76 }
  77
  78
  79 LttvAttribute *lttv_traceset_trace_attribute(LttvTraceset *s, unsigned i)
  80 {
  81   return (LttvAttribute *)s->attributes->pdata[i];
  82 }