Update documentation for 'replay_skip'

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/HOWTO b/HOWTO
index 8ee00fd1210dbf7089f5b58b270f46ebb41c2721..d200700961c91174c1f0075eccd6a3ee0eb29ce8 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -2346,6 +2346,14 @@ I/O replay
 
        Scale sector offsets down by this factor when replaying traces.
 
+.. option:: replay_skip=str
+
+       Sometimes it's useful to skip certain IO types in a replay trace.
+       This could be, for instance, eliminating the writes in the trace.
+       Or not replaying the trims/discards, if you are redirecting to
+       a device that doesn't support them. This option takes a comma
+       separated list of read, write, trim, sync.
+
 
 Threads, processes and job synchronization
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

diff --git a/fio.1 b/fio.1
index 24bdcdb0afffda6a5c16f56629652991be8dec61..7d5d8be60c056c6f2b8a8e61d7b92db90c0e7302 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -2067,6 +2067,12 @@ value.
 Scale sector offsets down by this factor when replaying traces.
 .SS "Threads, processes and job synchronization"
 .TP
+.BI replay_skip \fR=\fPstr
+Sometimes it's useful to skip certain IO types in a replay trace. This could
+be, for instance, eliminating the writes in the trace. Or not replaying the
+trims/discards, if you are redirecting to a device that doesn't support them.
+This option takes a comma separated list of read, write, trim, sync.
+.TP
 .BI thread
 Fio defaults to creating jobs by using fork, however if this option is
 given, fio will create jobs by using POSIX Threads' function