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author | alfred <alfred@FreeBSD.org> | 2012-12-11 01:28:06 +0000 |
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committer | alfred <alfred@FreeBSD.org> | 2012-12-11 01:28:06 +0000 |
commit | 2a065c7bf07356bbc84ff330f04ecf38d851febf (patch) | |
tree | 837ee4aba0e9bdea5797e911dbfb8c4477e390a1 /sbin/sysctl/sysctl.8 | |
parent | f63b721d8ae8f97828573d890c7de47e03cac25c (diff) | |
download | FreeBSD-src-2a065c7bf07356bbc84ff330f04ecf38d851febf.zip FreeBSD-src-2a065c7bf07356bbc84ff330f04ecf38d851febf.tar.gz |
Allow sysctl to filter boot and runtime tunables.
Add the following flags to sysctl:
-W - show only writable sysctls
-T - show only tuneable sysctls
This can be used to create a /var/run/sysctl.boot to
compare set tunables versus booted tunables.
Sponsored by: iXsystems
Diffstat (limited to 'sbin/sysctl/sysctl.8')
-rw-r--r-- | sbin/sysctl/sysctl.8 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sbin/sysctl/sysctl.8 b/sbin/sysctl/sysctl.8 index be43e68..514acd1 100644 --- a/sbin/sysctl/sysctl.8 +++ b/sbin/sysctl/sysctl.8 @@ -36,11 +36,11 @@ .Nd get or set kernel state .Sh SYNOPSIS .Nm -.Op Fl bdehiNnoqx +.Op Fl bdehiNnoRTqx .Ar name Ns Op = Ns Ar value .Ar ... .Nm -.Op Fl bdehNnoqx +.Op Fl bdehNnoRTqx .Fl a .Sh DESCRIPTION The @@ -121,6 +121,11 @@ sixteen bytes of the value. Suppress some warnings generated by .Nm to standard error. +.It Fl T +Display only variables that are setable via loader (CTLFLAG_TUN). +.It Fl W +Display only wriable variables that are not statistical. +Useful for determining the set of runtime tunable sysctls. .It Fl X Equivalent to .Fl x a |