On Tue, Jan 12, 2021 at 08:06:01PM +0200, Vladimir Oltean wrote: > > I'm looking for a way to block a shell script until phc2sys and ptp4l > have reached within a certain offset from the grandmaster (say +/- 50 ns). > Let's say I can write a program based on pmc which monitors the > master_offset from TIME_STATUS_NP, but what about phc2sys?
We don't have any kind of management interface or IPC to phc2sys, but you might try this from your shell script. $ phc_ctl -q eth6 cmp phc_ctl[326755.414]: offset from CLOCK_REALTIME is 111513ns The script can evaluate that last word. Thanks, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users