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_traceset_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   return s;
  26 }
  27
  28
  29 void lttv_traceset_destroy(LttvTraceset *s)
  30 {
  31   int i, nb;
  32
  33   for(i = 0 ; i < s->attributes->len ; i++) {
  34     g_object_unref((LttvAttribute *)s->attributes->pdata[i]);
  35   }
  36   g_ptr_array_free(s->attributes, TRUE);
  37   g_ptr_array_free(s->traces, TRUE);
  38   g_object_unref(s->a);
  39   g_free(s);
  40 }
  41
  42
  43 void lttv_traceset_add(LttvTraceset *s, LttTrace *t)
  44 {
  45   g_ptr_array_add(s->traces, t);
  46   g_ptr_array_add(s->attributes, g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
  47 }
  48
  49
  50 unsigned lttv_traceset_number(LttvTraceset *s)
  51 {
  52   return s->traces->len;
  53 }
  54
  55
  56 LttTrace *lttv_traceset_get(LttvTraceset *s, unsigned i)
  57 {
  58   g_assert(s->traces->len > i);
  59   return ((LttTrace *)s->traces->pdata[i]);
  60 }
  61
  62
  63 void lttv_traceset_remove(LttvTraceset *s, unsigned i)
  64 {
  65   g_ptr_array_remove_index(s->traces, i);
  66   g_object_unref(s->attributes->pdata[i]);
  67   g_ptr_array_remove_index(s->attributes,i);
  68 }
  69
  70
  71 /* A set of attributes is attached to each trace set, trace and tracefile
  72    to store user defined data as needed. */
  73
  74 LttvAttribute *lttv_traceset_attribute(LttvTraceset *s)
  75 {
  76   return s->a;
  77 }
  78
  79
  80 LttvAttribute *lttv_traceset_trace_attribute(LttvTraceset *s, unsigned i)
  81 {
  82   return (LttvAttribute *)s->attributes->pdata[i];
  83 }