X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=lib%2Ftrace-collection.c;h=035d2dc2d78a77a596e1b0fce2d6e8ccc86f6c3c;hp=c5c875c975d64d4d76bd83822a12034218e0e528;hb=bb35f032b52330cfb17c144bfed81f2b1569f308;hpb=391a4294edc3f8bbff878516a07570750cb36f99

diff --git a/lib/trace-collection.c b/lib/trace-collection.c
index c5c875c9..035d2dc2 100644
--- a/lib/trace-collection.c
+++ b/lib/trace-collection.c
@@ -72,19 +72,6 @@ static void check_clock_match(gpointer key, gpointer value, gpointer user_data)
 	}
 }
 
-/*
- * Note: if using a frequency different from 1GHz for clock->offset, it
- * is recommended to express the seconds in offset_s, otherwise there
- * will be a loss of precision caused by the limited size of the double
- * mantissa.
- */
-static
-uint64_t clock_offset_ns(struct ctf_clock *clock)
-{
-	return clock->offset_s * 1000000000ULL
-			+ clock_cycles_to_ns(clock, clock->offset);
-}
-
 static void clock_add(gpointer key, gpointer value, gpointer user_data)
 {
 	struct clock_match *clock_match = user_data;
@@ -156,14 +143,13 @@ static void clock_add(gpointer key, gpointer value, gpointer user_data)
  * convert the index from cycles to real time.
  */
 int bt_trace_collection_add(struct trace_collection *tc,
-				struct bt_trace_descriptor *td)
+			struct bt_trace_descriptor *trace)
 {
-	struct ctf_trace *trace;
-
-	if (!tc || !td)
+	if (!tc || !trace)
 		return -EINVAL;
 
-	trace = container_of(td, struct ctf_trace, parent);
+	if (!trace->clocks)
+		return 0;
 
 	if (tc->array->len > 1) {
 		struct clock_match clock_match = {
@@ -185,7 +171,7 @@ int bt_trace_collection_add(struct trace_collection *tc,
 		}
 	}
 
-	g_ptr_array_add(tc->array, td);
+	g_ptr_array_add(tc->array, trace);
 	trace->collection = tc;
 
 	{