X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=doc%2Fman%2Flttng-ust.3;h=5be3cfaa081a669cb8d9b9e990117dd63f9bc735;hb=efbad5cc87395d00fa1d578ae211aee431fa3b4a;hp=0738c5bce3ceb68902305978564fc49395286441;hpb=60302adc32827b3b62028018588f0d7bebb6c5d2;p=lttng-ust.git

diff --git a/doc/man/lttng-ust.3 b/doc/man/lttng-ust.3
index 0738c5bc..5be3cfaa 100644
--- a/doc/man/lttng-ust.3
+++ b/doc/man/lttng-ust.3
@@ -1,7 +1,7 @@
 .TH "LTTNG-UST" "3" "February 16, 2012" "" ""
 
 .SH "NAME"
-lttng-ust \(em Linux Trace Toolkit Next Generation User-Space Tracer
+lttng-ust \(em Linux Trace Toolkit Next Generation User-Space Tracer 2.x
 
 .SH "SYNOPSIS"
 
@@ -123,6 +123,10 @@ TRACEPOINT_EVENT(
 		 * ctf_sequence: a dynamically-sized array.
 		 * args: (type, field name, argument expression,
 		 *	type of length expression, length expression)
+		 * The "type of length expression" needs to be an
+		 * unsigned type. As a reminder, "unsigned char" should
+		 * be preferred to "char", since the signedness of
+		 * "char" is implementation-defined.
 		 */ 
 		ctf_sequence(char, seqfield1, text,
 			     size_t, textlen)