On Thu, Apr 18, 2019 at 02:44:10PM -0400, Charles Curley wrote:
> While I like to see some messages from time to time from phc2sys it is
> really filling my systemd journal up w/ a message every second. I have
> changed the log level to 5 but now it doesn't seem to ever report what the
> offset is. Could there be an option to report if it exceeds a threshold or
> something like "summary_interval" that ptp4l has?
Use the '-u' command line option:
-u summary-updates
Specify the number of clock updates included in summary statis‐
tics. The statistics include offset root mean square (RMS), max‐
imum absolute offset, frequency offset mean and standard devia‐
tion, and mean of the delay in clock readings and standard devi‐
ation. The units are nanoseconds and parts per billion (ppb). If
zero, the individual samples are printed instead of the statis‐
tics. The messages are printed at the LOG_INFO level. The
default is 0 (disabled).
Example with -u 10
phc2sys[277.514]: eth6 rms 109 max 218 freq -33282 +/- 68 delay 5536 +/- 17
phc2sys[287.515]: eth6 rms 48 max 80 freq -33192 +/- 37 delay 5532 +/- 22
phc2sys[297.517]: eth6 rms 35 max 69 freq -33118 +/- 32 delay 5537 +/- 19
phc2sys[307.518]: eth6 rms 47 max 84 freq -33020 +/- 30 delay 5544 +/- 18
phc2sys[317.520]: eth6 rms 34 max 55 freq -32962 +/- 29 delay 5527 +/- 24
phc2sys[327.521]: eth6 rms 41 max 87 freq -32886 +/- 34 delay 5534 +/- 16
phc2sys[337.523]: eth6 rms 44 max 100 freq -32814 +/- 37 delay 5536 +/- 19
HTH,
Richard
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