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Diffstat (limited to 'doc/blktrace.8')
| -rw-r--r-- | doc/blktrace.8 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/blktrace.8 b/doc/blktrace.8 index ab6a3f3..50b3a62 100644 --- a/doc/blktrace.8 +++ b/doc/blktrace.8 @@ -122,6 +122,9 @@ Specifies number of buffers to use. blktrace defaults to 4 sub buffers. \-\-output=\fIfile\fR .RS Prepend \fIfile\fR to output file name(s) + +This only works when supplying a single device, or when piping the output +via "-o -" with multiple devices. .RE \-r \fIrel-path\fR |