On Mon, Jun 20, 2022 at 12:23:02AM +0800, 这个🍊 不太冷 via Linuxptp-users wrote: > Q1. How do I use the this configuration item “slave_event_monitor”？
> But I can not understand how it communicate with the > ptp4l, I do not see the code about ptp4l send message to the > monitor. According to my previous understanding, ptp4l send > SLAVE_RX_SYNC_TIMING_DATA and SLAVE_DELAY_TIMING_DATA_NP TLVs to the > client bind to the slave_event_monitor address, is it? > Where is it's Implementation process？ I just see the > monitor_create(). See port.c line 1298. > Q2. Any other way to get the management information(such as master, offset, > delay) without using PMC? You don't have to use the pmc program. You can use any program that implements the IEEE 1588 management message protocol. > Now I can use PMC send command "GET TIME_STATUS_NP" and "GET > PORT_DATA_SET" to ptp4l uds_address get messages. It's no problem. > But I notice every time I need to active the call and ptp4l poll() > every port to process message, it will cause some reply delay and I > have to wait to get it's response. I wonder if there is any other > way to let ptp4l active send "TIME_STATUS_NP" "PORT_DATA_SET" tlvs > to user program(e.x. Every time ptp4l( run as slave) complete time > sync, send the master time, offset, delay to user, user can get it > any time they want)? Maybe can achieved through the question 1? You can subscribe to receive PORT_DATA_SET TIME_STATUS_NP via the push method. No need to poll by sending requests. HTH, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
