On Sat, Oct 01, 2022 at 08:47:53PM -0700, todd freed wrote: > Could you say just a bit more about why it shouldn't be implemented?
I'm only saying that the potential benefit is very meager and does not justify the implementation effort. > I'm a professional software engineer, and I had thought I might take a > look at implementing it myself. But if you wouldn't recommend such a > thing, I will avoid spending any time on it. Before you do anything, I recommend reading these threads from archives from 2016: 31.Aug'16 Kieran Tyrrell Re: [Linuxptp-users] one-shot alarm 31.Aug'16 To Kieran Tyrre └─> 31.Aug'16 Dale Smith ├─>Re: [Linuxptp-devel] [Linuxptp-users] one-shot alarm 09.Sep'16 Kieran Tyrrell └─>Re: [Linuxptp-users] one-shot alarm 09.Sep'16 Kieran Tyrrell [Linuxptp-devel] [PATCH] PTP subsystem: implement POSIX timer interface 12.Sep'16 To Kieran Tyrre └─> 12.Sep'16 Kieran Tyrrell ├─> 12.Sep'16 To Kieran Tyrre │ └─> 15.Sep'16 Kieran Tyrrell │ ├─> 15.Sep'16 To Kieran Tyrre │ │ └─> 15.Sep'16 Kieran Tyrrell │ │ └─> 18.Oct'16 Kieran Tyrrell │ └─>igb tsync int handler double acknowledge? (was: Re: [Linuxptp-devel] [PATCH] PTP subsystem: implement POSIX ti 18.Oct'16 To Kieran Tyrre │ └─>Re: [Linuxptp-devel] igb tsync int handler double acknowledge? (was: Re: [PATCH] PTP subsystem: implement PO 18.Oct'16 To Kieran Tyrre │ ├=>Re: igb tsync int handler double acknowledge? (was: Re: [Linuxptp-devel] [PATCH] PTP subsystem: implement 19.Oct'16 Keller, Jacob E │ └─>Re: [Linuxptp-devel] igb tsync int handler double acknowledge? (was: Re: [PATCH] PTP subsystem: implement 13.Sep'16 Kieran Tyrrell └─> 13.Sep'16 To Kieran Tyrre └─> 15.Sep'16 Kieran Tyrrell └─> 15.Sep'16 To Kieran Tyrre └─> 09.Sep'16 Kieran Tyrrell [Linuxptp-devel] [PATCH] igb: add timer (alarm) functionality 12.Sep'16 To Kieran Tyrre └─> 13.Sep'16 Kieran Tyrrell └─> 13.Sep'16 To Kieran Tyrre └─> 14.Sep'16 Kieran Tyrrell └─> 15.Sep'16 Kieran Tyrrell [Linuxptp-devel] [PATCH V2] ptp and igb: implement POSIX timer (alarm) 03.Oct'16 To Kieran Tyrre └─> 06.Dec'16 To Kieran Tyrre └─> Especially this last message ^^^ shows the poor performance of a PCIe card: TL;DR graph... https://linuxptp.sourceforge.net/phc-timer/phc-timer-vs-nanosleep.png Good luck, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
