-Three levels of verbosity are available, which are triggered by
-appending additional `v` letters to the option
-(that is, `-vv` and `-vvv`).
-
-option:-e 'VIEWER', option:--viewer='VIEWER'::
- Use trace viewer 'VIEWER' to view the trace buffers. 'VIEWER' is the
- absolute path to the viewer command to use, and it can contain
- command arguments as well. The trace directory paths are passed to
- the 'VIEWER' command as its last arguments.
+Specify this option up to three times to get more levels of verbosity.
+
+option:-e 'READER', option:--viewer='READER'::
+ Use the trace reader 'READER' to read the trace buffers.