doc: tex: add absolute timestamp printing option

The functionality of printing out absolute timestamps has been
implemented in code but not documented in doc/blktrace.tex.

Signed-off-by: Hiroaki Mihara <hmihara@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/doc/blktrace.tex b/doc/blktrace.tex
index 4d8278e8eec42057ffd4a8445067f329b7c6ee55..3647c7502142c3a32066c26c3f6f4a072bca8caa 100644 (file)
--- a/doc/blktrace.tex
+++ b/doc/blktrace.tex
@@ -613,6 +613,7 @@ the event's device \\
 \emph{T} & Time stamp (seconds) \\ \hline
 \emph{u} & Elapsed value in microseconds (\emph{-t} command line option) \\ \hline
 \emph{U} & Payload unsigned integer \\ \hline
+\emph{z} & Absolute time stamp \\ \hline
 \end{tabular}
 
 Note that the user can optionally specify field display width, and