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Remove references to the defunct kern.timecounter.method sysctl variable.

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markm 2000-09-25 11:18:51 +00:00
parent 4117f945f3
commit 9236128b6a
1 changed files with 1 additions and 15 deletions
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16
share/man/man9/microuptime.9
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@ -69,19 +69,8 @@ Whereas
.Fn getmicrouptime .Fn getmicrouptime
and and
.Fn getnanouptime .Fn getnanouptime
functions are abstractions which can alternately return a less precise, but functions are abstractions which return a less precise, but
faster to obtain, time. faster to obtain, time.
This behaviour can be toggled via the
kern.timecounter.method sysctl variable:
.Bl -tag -width ABC
.It Dv 0
sacrifice precision in favor of faster code execution
.It Dv 1
return the more precise time (the same as calling
.Fn microuptime
or
.Fn nanouptime ) .
.El
.Pp .Pp
The intent of the The intent of the
.Fn getmicrouptime .Fn getmicrouptime
@ -95,9 +84,6 @@ execution time.
.Xr microtime 9 , .Xr microtime 9 ,
.Xr nanotime 9 , .Xr nanotime 9 ,
.Xr tvtohz 9 .Xr tvtohz 9
.Sh DIAGNOSTICS
Buggy hardware can cause "calcru negative..." when kern.timecounter.method
is set to 0.
.Sh AUTHORS .Sh AUTHORS
This manual page was written by This manual page was written by
.An Kelly Yancey Aq kbyanc@posi.net . .An Kelly Yancey Aq kbyanc@posi.net .