Merge branch 'master' of ssh://router/data/git/fio
[fio.git] / README
diff --git a/README b/README
index b4e007c6e8dff67ae06fb496c183acb5ad61c09b..7ecac863756128c231415e0f22581a00e7280081 100644 (file)
--- a/README
+++ b/README
@@ -99,6 +99,9 @@ The <jobs> format is as follows:
                        rw, offset, length
                        where with rw=0/1 for read/write, and the offset
                        and length entries being in bytes.
+       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.
        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.