diff options
author | trasz <trasz@FreeBSD.org> | 2016-02-28 10:27:12 +0000 |
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committer | trasz <trasz@FreeBSD.org> | 2016-02-28 10:27:12 +0000 |
commit | 5050f4bc8348f5b3dce257e767153950360d4b3f (patch) | |
tree | 233da3f0cc2462266ddb07aecfa08135640ca7fa /bin/dd/dd.1 | |
parent | d887d37a7a4f3942aa978daad85a76d2f066923e (diff) | |
download | FreeBSD-src-5050f4bc8348f5b3dce257e767153950360d4b3f.zip FreeBSD-src-5050f4bc8348f5b3dce257e767153950360d4b3f.tar.gz |
Add speed limit to dd(1). This is useful for testing RCTL disk io limits
(when they actually get committed, that is), and might also come in handy
in other situations.
Reviewed by: wblock@ (man page)
MFC after: 1 month
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'bin/dd/dd.1')
-rw-r--r-- | bin/dd/dd.1 | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/bin/dd/dd.1 b/bin/dd/dd.1 index 4047cdc..64d1acae 100644 --- a/bin/dd/dd.1 +++ b/bin/dd/dd.1 @@ -32,7 +32,7 @@ .\" @(#)dd.1 8.2 (Berkeley) 1/13/94 .\" $FreeBSD$ .\" -.Dd February 4, 2016 +.Dd February 28, 2016 .Dt DD 1 .Os .Sh NAME @@ -156,6 +156,10 @@ Otherwise, input data is read and discarded. For pipes, the correct number of bytes is read. For all other devices, the correct number of blocks is read without distinguishing between a partial or complete block being read. +.It Cm speed Ns = Ns Ar n +Limit the copying speed to +.Ar n +bytes per second. .It Cm status Ns = Ns Ar value Where .Cm value @@ -325,7 +329,7 @@ appended. .El .El .Pp -Where sizes are specified, a decimal, octal, or hexadecimal number of +Where sizes or speed are specified, a decimal, octal, or hexadecimal number of bytes is expected. If the number ends with a .Dq Li b , |