[PATCH] Add bw/lat log as job options

Currently you need to specify -l or -w, make them available as
a job config option as well.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/README b/README
index 2a245dc..d8cca8a 100644
--- a/README
+++ b/README
@@ -138,6 +138,8 @@
 	write_iolog=x	Write an iolog to file 'x' in the same format as iolog.
 			The iolog options are exclusive, if both given the
 			read iolog will be performed.
+	write_bw_log	Write a bandwidth log.
+	write_lat_log	Write a latency log.
 	lockmem=x	Lock down x amount of memory on the machine, to
 			simulate a machine with less memory available. x can
 			include k/m/g suffix.