[PATCH] README: document the -t option

1 files changed, 3 insertions, 1 deletions

diff --git a/README b/README
index 31dd29a..5d4f5a8 100644
--- a/README
+++ b/README
@@ -41,12 +41,14 @@ Usage
 	--- Generates:
 		<output>_out.[0..ncpus] : Contains binary trace data
 
-	% blkparse -i <input> [-o <output> -s]
+	% blkparse -i <input> [-o <output> -s -t]
 	--- Generates:
 		<output>.log : Contains formatted trace data, if
 		output logging is added with the -o option. Otherwise, the
 		output is sent to stdout. If the -s option is used, in
 		addition to per-CPU stats, per process stats are shown as well.
+		The -t option will provide individual io statistics, displaying
+		things like completion time, queueing time, etc.
 
 
 If you want to do live tracing, you can pipe the data between blktrace