PHC2SYS(8) System Manager's Manual PHC2SYS(8) (NAME) phc2sys - PTP (SYNOPSIS) phc2sys -a [ -r ] [ -r ] [ -f config-file ] [ ] [ long-options ] phc2sys [ -f config-file ] [ -d pps-device ] [ -s device ] [ -c device ] [ -O offset ] [ -w ] [ ] [ long-options ] ... (DESCRIPTION) phc2sys () . PTP ( PHC) ptp4l(8) . -a ptp4l PTP . . << >> (PPS) . (time sink) . (OPTIONS) -a ptp4l . (CLOCK_REALTIME) -r . -r -a . phc2sys (CLOCK_REALTIME) . . -r . -f config . . -d pps-device PPS ( /dev/pps0). PPS . PHC -s . (time sink) . -a . -s device ( /dev/ptp0) ( eth0) ( CLOCK_REALTIME ) . -d PPS . -a . (bonded bond0 team0) . ptp4l team active-backup -a . -i interface -s . . -s . . -c device (time sink) ( /dev/ptp1) ( eth1) . CLOCK_REALTIME ( ) . -a . . -E servo . pi PI linreg ntpshm refclock_sock NTP SHM chrony SOCK . pi . -P kp (proportional constant) PI . 0.7 . -I ki (integral constant) PI . 0.3 . -S step (step threshold) . . ( -F ). . 0.0 . 0.0 . -F step . . . 0.0 . 0.00002 ( ) . -R update-rate . . -N phc-num . . . 5 . -O offset . -a . (TIME SCALE USAGE) . -L freq-limit (system monotonic clock) (ppb). . . 0 . 200000000 () . -M segment (SHM segment) ntpshm. 0 . -u summary-updates . (RMS) . (ppb) . . LOG_INFO . 0 () . -w ptp4l . -O currentUtcOffset ptp4l . -a . -n domain-number ptp4l . -z . . 0 . -x ( -S ). -z uds-address . ptp4l . /var/run/ptp4l . -l print-level syslog . 6 (LOG_INFO) . -t message-tag . . -m . -q . -h . -v . (LONG OPTIONS) ( (FILE OPTIONS) ) <<>> (long) . transportSpecific : --transportSpecific 1 --transportSpecific=1 (global) ( ). (CONFIGURATION FILE) . () . . # . ( [global]) . . (FILE OPTIONS) active_key_id spp sa_file << >> (Security Association) spp icv . sa_file . spp sa_file . 1 1-2^32 ( ) . 0 () . clock_servo . "pi" PI "linreg" "ntpshm" NTP SHM ( SHM ) "nullf" ( SyncE). "pi" . -E ( ). domainNumber phc2sys . 0 . -n ( ). first_step_threshold . . . 0.0 . 0.00002 ( ) . -F ( ). free-running . 0 () . kernel_leap ( step_threshold ). . 1 () . -x ( ). logging_level . 6 (LOG_INFO) . -l ( ). message_tag . "{level}" . ( ). -t ( ). ntpshm_segment (SHM segment) ntpshm. 0 . -M ( ). pi_integral_const PI . -I ( ). pi_proportional_const PI . -P ( ). refclock_sock_address refclock_sock. /var/run/refclock.ptp.sock . sa_file (Security Associations) Authentication TLV 14.16 ieee1588-2019 . (SECURITY ASSOCIATION OPTIONS) ptp4l(8) . (). sanity_freq_limit (ppb). . . 0 . 200000000 () . -L ( ). step_threshold . ( nullf) . ( -F ). . 0.0 . 0.0 . -S ( ). spp (spp) authentication tlv . spp sa_file authentication tlv () () . (one step) . -1 255 ( ) . -1 () . transportSpecific (transport specific). 0 255 . 0 . uds_address . /var/run/ptp4l . -z ( ). use_syslog . 1 () . -q ( ). verbose . 0 () . -m ( ). (TIME SCALE USAGE) ptp4l PTP (UTC) . PTP UTC PTP . ptp4l PTP PHC . PHC PTP UTC . phc2sys . phc2sys ptp4l -a -w -O . PTP . (EXAMPLES) ptp4l : phc2sys -a -r : phc2sys -a -rr IEEE 802.1AS: phc2sys -a -rr --transportSpecific=1 PTP ptp4l . phc2sys ptp4l : phc2sys -c /dev/ptp0 -s CLOCK_REALTIME -w phc2sys ptp4l : phc2sys -c /dev/ptp0 -s CLOCK_REALTIME -O 37 PTP phc2sys ptp4l : phc2sys -s /dev/ptp0 -w PTP phc2sys : phc2sys -s eth0 -O -37 (WARNING) ptp4l phc2sys . . ptp4l phc2sys ( ptp4l) phc2sys . . ptp4l phc2sys . (SEE ALSO) ptp4l(8) linuxptp March 2024 PHC2SYS(8)