From: jmc Date: Fri, 5 Jan 2018 22:25:05 +0000 (+0000) Subject: some minor fixes; X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=a20dcc576f089f5c0b27ab142d27c4db9d630ca0;p=openbsd some minor fixes; --- diff --git a/share/man/man4/man4.amd64/cpu.4 b/share/man/man4/man4.amd64/cpu.4 index 050218b9110..319ca849b1f 100644 --- a/share/man/man4/man4.amd64/cpu.4 +++ b/share/man/man4/man4.amd64/cpu.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: cpu.4,v 1.5 2017/12/29 13:27:36 fcambus Exp $ +.\" $OpenBSD: cpu.4,v 1.6 2018/01/05 22:25:05 jmc Exp $ .\" .\" Copyright (c) 2004 Ted Unangst .\" All rights reserved. @@ -23,7 +23,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: December 29 2017 $ +.Dd $Mdocdate: January 5 2018 $ .Dt CPU 4 amd64 .Os .Sh NAME @@ -38,24 +38,24 @@ functionality, such as power and frequency control or thermal monitoring. .Sh FREQUENCY CONTROL The .Xr sysctl 3 -hw.cpuspeed will return the current operating frequency of the processor -(on some processors this value may be an approximation). +hw.cpuspeed returns the current operating frequency of the processor, +though on some processors this value may be only an approximation. If possible, speed may be adjusted by altering hw.setperf from 0 to 100, representing percentage of maximum speed. There are several possible implementations for setperf, all transparent -to the user. +to the user: .Bl -tag -width tenletters .It EST Enhanced SpeedStep found on Intel and VIA processors, -offers frequency scaling with numerous positions. +offering frequency scaling with numerous positions. .It PowerNow Found on various AMD processors. -Currently only supports a limited set of models in the K8 families. +It currently only supports a limited set of models in the K8 families. .El .Sh THERMAL MONITORING The .Xr sysctl 3 -hw.sensors.cpu*.temp0 will return the current temperature reported by the +hw.sensors.cpu*.temp0 returns the current temperature reported by the processor. .Sh SEE ALSO .Xr sysctl 8 @@ -64,5 +64,5 @@ Due to the way in which thermal information is reported on Intel processors, the temperature may be off by exactly +/-15 degrees C. .Pp For multiprocessor kernels with more than one CPU sensor, -processors will report identical temperatures +processors report identical temperatures since the temperature is taken from the processor running the sensors update. diff --git a/share/man/man4/man4.i386/cpu.4 b/share/man/man4/man4.i386/cpu.4 index f0fec70b497..154bd64011b 100644 --- a/share/man/man4/man4.i386/cpu.4 +++ b/share/man/man4/man4.i386/cpu.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: cpu.4,v 1.16 2009/07/13 15:43:05 jmc Exp $ +.\" $OpenBSD: cpu.4,v 1.17 2018/01/05 22:25:05 jmc Exp $ .\" .\" Copyright (c) 2004 Ted Unangst .\" All rights reserved. @@ -23,7 +23,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: July 13 2009 $ +.Dd $Mdocdate: January 5 2018 $ .Dt CPU 4 i386 .Os .Sh NAME @@ -38,36 +38,37 @@ functionality, such as power and frequency control or thermal monitoring. .Sh FREQUENCY CONTROL The .Xr sysctl 3 -hw.cpuspeed will return the current operating frequency of the processor -(on some processors this value may be an approximation). +hw.cpuspeed returns the current operating frequency of the processor, +though on some processors this value may be only an approximation. If possible, speed may be adjusted by altering hw.setperf from 0 to 100, representing percentage of maximum speed. There are several possible implementations for setperf, all transparent to the user. In systems with more than one control capability, they are preferred in the -order given. +order given: .Bl -tag -width tenletters .It LongRun -Found on Transmeta Crusoe processors, offers frequency scaling with numerous +Found on Transmeta Crusoe processors, offering frequency scaling with numerous positions. -The processor dynamically adjusts frequency in response to load, the setperf +The processor dynamically adjusts frequency in response to load; the setperf value is interpreted as the maximum. .It EST Enhanced SpeedStep found on Intel Pentium M processors, -offers frequency scaling with numerous positions. +offering frequency scaling with numerous positions. .It SpeedStep Found on some Intel Pentium 3 and newer mobile chips, it is capable of adjusting frequency between a low and high value. -Only enabled on some chipsets. +It is only enabled on some chipsets. .It TCC Thermal Control Circuit found on Intel Pentium 4 and newer processors, -adjusts processor duty cycle in 12.5 percent increments. +it can adjust processor duty cycle in 12.5 percent increments. .It PowerNow Found on various AMD processors. -Currently only supports a limited set of models in the K6, K7, and K8 families. +It currently only supports a limited set of models +in the K6, K7, and K8 families. .El .Sh INSTRUCTION SET EXTENSIONS -The presence of extended instruction sets can be determined by +The presence of extended instruction sets can be determined by the sysctl machdep. .Bl -tag -width "tenletters" .It osfxsr @@ -77,15 +78,14 @@ Supports the SSE instruction set. .It sse2 Supports the SSE2 instruction set. .It xcrypt -Support the VIA AES encryption instruction set. -If this is supported, the -.Li libcrypto -EVP AES functions will automatically use this support. +Supports the VIA AES encryption instruction set. +If this is supported, +the libcrypto EVP AES functions automatically use this support. .El .Sh THERMAL MONITORING The .Xr sysctl 3 -hw.sensors.cpu*.temp0 will return the current temperature reported by the +hw.sensors.cpu*.temp0 returns the current temperature reported by the processor. .Sh SEE ALSO .Xr sysctl 8 @@ -94,5 +94,5 @@ Due to the way in which thermal information is reported on Intel processors, the temperature may be off by exactly +/-15 degrees C. .Pp For multiprocessor kernels with more than one CPU sensor, -processors will report identical temperatures +processors report identical temperatures since the temperature is taken from the processor running the sensors update.