Clocks

System clock monitoring

NTP Configuration

Example NTP system dashboard

PTPv2 Configuration

Example PTPv2 configuration

Prometheus

The follow shows the mapping to Prometheus names

Name	Prometheus	Description
PTP Grandmaster → NIC Clock	fmadio_ptp_GMSync	0 - PTP GM and the NIC clock are not synchronized 1 - PTP GM and the NIC clock are synchronized
NIC Clock → System Clock	fmadio_ptp_SysSync	0 - NIC clock and System clock are not synchronized 1 - NIC clock and System clock are synchronized
System Clock → CAP Clock	fmadio_ptp_iSysSync	0 - System clock and FPGA Clock are not synchronized 1 - System clock and FPGA Clock are synchornized

Name

Prometheus

Description

PTP Grandmaster → NIC Clock

fmadio_ptp_GMSync

0 - PTP GM and the NIC clock are not synchronized

1 - PTP GM and the NIC clock are synchronized

NIC Clock → System Clock

fmadio_ptp_SysSync

0 - NIC clock and System clock are not synchronized

1 - NIC clock and System clock are synchronized

System Clock → CAP Clock

fmadio_ptp_iSysSync

0 - System clock and FPGA Clock are not synchronized

1 - System clock and FPGA Clock are synchornized

Syslog

The following shows the syslog JSON version of the GUI status. Example single line status

2025.07.19-23:55:00.119795 (-04:00) | fmadio200v4| local7.info     | fmadio    | 
{
"module":"system","subsystem":"ptp"        ,"timestamp":1752983700,"ver":"10667",
"TimeFPGA":1752983700112643050,
"TimeSYS":1752983700112647936,
"GMOffset":  -16.00,
"GMSync":true,
"GMMaster":"00aabb.ccddee.ff000",
"SysOffset":   13.00,"SysSync":true,
"iSysOffset":   -7.08,"iSysSync":true,
"NTPOffset":    0.00,"NTPSync":false,"NTPMaster":"",
"GMUpTime":78598,"SysUptime":78598,"iSysUptime":78598,"PPSUptime":0,"NTPUptime":0,
"PPSPeriod":0.000000000,"PPSOffset":0,"PPSdPhase":0,"PPSdZero":0,"PPSCnt":0,
"Clk156Period":6.400000,"Clk156Offset":0,
"Clk250Period":4.000037,"Clk250Offset":-7,
"Clk322Period":3.200007,"Clk322Offset":-7
}

Name	Syslog	Description
PTP Grandmaster → NIC Clock	GMSync	0 - PTP GM and the NIC clock are not synchronized 1 - PTP GM and the NIC clock are synchronized
NIC Clock → System Clock	SysSync	0 - NIC clock and System clock are not synchronized 1 - NIC clock and System clock are synchronized
System Clock → CAP Clock	iSysSync	0 - System clock and FPGA Clock are not synchronized 1 - System clock and FPGA Clock are synchornized