Explain that ids can be left out if single stream/event

[ctf.git] / common-trace-format-proposal.txt

diff --git a/common-trace-format-proposal.txt b/common-trace-format-proposal.txt
index 8182ea991f7da92d49b2a35e193ec91213d62762..71d9140704eb049dba1032c11c392f209f802b21 100644 (file)
--- a/common-trace-format-proposal.txt
+++ b/common-trace-format-proposal.txt
@@ -905,6 +905,10 @@ Note that the trace endianness is usually extracted from the packet
 header magic number. The "endian" field is only needed when the magic
 number packet header field is not present.
 
 header magic number. The "endian" field is only needed when the magic
 number packet header field is not present.
 

+The stream "id" can be left out if there is only one stream in the
+trace. The event "id" field can be left out if there is only one event
+in a stream.
+

 trace {
   major = value;                               /* Trace format version */
   minor = value;
 trace {
   major = value;                               /* Trace format version */
   minor = value;