Add clock absolute field

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/common-trace-format-specification.txt b/common-trace-format-specification.txt
index 545fbc7ebaa98ffeb602e481fcf038935c476ade..c52beb9ddd42a8210b342f7f1acb889f7a3aa416 100644 (file)
--- a/common-trace-format-specification.txt
+++ b/common-trace-format-specification.txt
@@ -1269,6 +1269,7 @@ clock {
         */
        offset_s = 1326476837;
        offset = 897235420;
         */
        offset_s = 1326476837;
        offset = 897235420;

+       absolute = FALSE;

 };
 
 The mandatory "name" field specifies the name of the clock identifier,
 };
 
 The mandatory "name" field specifies the name of the clock identifier,


@@ -1284,7 +1285,11 @@ and "offset" fields indicate the offset from POSIX.1 Epoch, 1970-01-01
 00:00:00 +0000 (UTC), to the zero of value of the clock. The "offset_s"
 field is in seconds. The "offset" field is in (1/freq) units. If any of
 the "offset_s" or "offset" field is not present, it is assigned the 0
 00:00:00 +0000 (UTC), to the zero of value of the clock. The "offset_s"
 field is in seconds. The "offset" field is in (1/freq) units. If any of
 the "offset_s" or "offset" field is not present, it is assigned the 0

-value.
+value. The field "absolute" is TRUE if the clock is a global reference
+across different clock uuid (e.g. NTP time). Otherwise, "absolute" is
+FALSE, and the clock can be considered as synchronized only with other
+clocks that have the same uuid.
+

 
 Secondly, a reference to this clock should be added within an integer
 type:
 
 Secondly, a reference to this clock should be added within an integer
 type: