Improve quality of some error messages

diff --git a/barectf/cli.py b/barectf/cli.py
index 16b7399035490c4b13a6555be55eed69ef47d69a..bd990bff95027f4f8afcf35a3bd6acaeca7993a7 100644 (file)
--- a/barectf/cli.py
+++ b/barectf/cli.py
@@ -361,7 +361,7 @@ class BarectfCodeGenerator:
             try:
                 self._validate_integer(fields['content_size'], 64, 64, False)
             except:
-                _perror('stream {}: packet context: "content_size": expecting unsigned 32-bit/64-bit integer'.format(sid))
+                _perror('stream {}: packet context: "content_size": expecting a 32-bit-aligned 32-bit integer, or a 64-bit-aligned 64-bit integer'.format(sid))
 
         # packet_size must exist and be an unsigned integer
         if 'packet_size' not in fields:
@@ -373,7 +373,7 @@ class BarectfCodeGenerator:
             try:
                 self._validate_integer(fields['packet_size'], 64, 64, False)
             except:
-                _perror('stream {}: packet context: "packet_size": expecting unsigned 32-bit/64-bit integer'.format(sid))
+                _perror('stream {}: packet context: "packet_size": expecting a 32-bit-aligned 32-bit integer, or a 64-bit-aligned 64-bit integer'.format(sid))
 
         # if cpu_id exists, must be an unsigned integer
         if 'cpu_id' in fields: