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Clarify units used in clock stepping constants. 

Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
master
Miroslav Lichvar 2014-02-11 14:38:33 +01:00 committed by Richard Cochran
parent 110849d422
commit 661639420c
2 changed files with 8 additions and 6 deletions
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9
phc2sys.8
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@ -101,13 +101,14 @@ the controller corrects by changing the clock frequency instead of stepping the
clock. The clock is stepped on start regardless of the option if the offset is clock. The clock is stepped on start regardless of the option if the offset is
larger than 100 nanoseconds (unless the larger than 100 nanoseconds (unless the
.BI \-F .BI \-F
option is used). The value of 0.0 disables stepping after the start. The default option is used). It's specified in seconds. The value of 0.0 disables stepping
is 0.0. after the start. The default is 0.0.
.TP .TP
.BI \-F " step" .BI \-F " step"
Specify the step threshold applied only on the first update. It is the maximum Specify the step threshold applied only on the first update. It is the maximum
offset that is corrected by adjusting clock. The value of 0.0 disables stepping offset that is corrected by adjusting clock. It's specified in seconds. The
on start. The default is 0.0000001 (100 nanoseconds). value of 0.0 disables stepping on start.
The default is 0.0000001 (100 nanoseconds).
.TP .TP
.BI \-R " update-rate" .BI \-R " update-rate"
Specify the slave clock update rate when running in the direct synchronization Specify the slave clock update rate when running in the direct synchronization

5
ptp4l.8
View File

@ -341,13 +341,14 @@ The default is 0.3.
.B pi_offset_const .B pi_offset_const
The maximum offset the PI controller will correct by changing the clock The maximum offset the PI controller will correct by changing the clock
frequency instead of stepping the clock. When set to 0.0, the controller will frequency instead of stepping the clock. When set to 0.0, the controller will
never step the clock except on start. never step the clock except on start. It's specified in seconds.
The default is 0.0. The default is 0.0.
.TP .TP
.B pi_f_offset_const .B pi_f_offset_const
The maximum offset the PI controller will correct by changing the clock The maximum offset the PI controller will correct by changing the clock
frequency instead of stepping the clock. This is only applied on the first frequency instead of stepping the clock. This is only applied on the first
update. When set to 0.0, the controller won't step the clock on start. update. It's specified in seconds. When set to 0.0, the controller won't step
the clock on start.
The default is 0.0000001 (100 nanoseconds). The default is 0.0000001 (100 nanoseconds).
.TP .TP
.B pi_max_frequency .B pi_max_frequency