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-rw-r--r--Documentation/nvme-io-passthru.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/nvme-io-passthru.txt b/Documentation/nvme-io-passthru.txt
index 318e801..5a16698 100644
--- a/Documentation/nvme-io-passthru.txt
+++ b/Documentation/nvme-io-passthru.txt
@@ -23,6 +23,7 @@ SYNOPSIS
[--dry-run | -d]
[--raw-binary | -b]
[--prefill=<prefill> | -p <prefill>]
+ [--latency | -T]
DESCRIPTION
-----------
@@ -106,6 +107,10 @@ OPTIONS
value. It may also be useful if you need to confirm if a device
is overwriting a buffer on a data-in command.
+-T::
+--latency::
+ Print out the latency the IOCTL took (in us).
+
EXAMPLES
--------