Re: Is it a good idea to use a usb-serial adapter for PPS input? Yes, it is.

2019-08-19 Thread O'Connor, Daniel
> On 19 Aug 2019, at 17:09, O'Connor, Daniel wrote: > I am going to try this diff but buildkernel is going to take a while... Was a lot faster cross building, so I installed it this morning: [gps 1:56] ~ >uname -a FreeBSD gps 13.0-CURRENT FreeBSD 13.0-CURRENT #1 41a4c010326-c262109(master)-di

Re: Is it a good idea to use a usb-serial adapter for PPS input? Yes, it is.

2019-08-19 Thread Warner Losh
On Mon, Aug 19, 2019 at 8:26 AM Ian Lepore wrote: > On Mon, 2019-08-19 at 17:09 +0930, O'Connor, Daniel wrote: > > > On 12 Aug 2019, at 09:09, O'Connor, Daniel > > > wrote: > > > > always get lost on single-core processors which are in cpu_idle() > > > > at > > > > the time the hardclock interru

Re: Is it a good idea to use a usb-serial adapter for PPS input? Yes, it is.

2019-08-19 Thread Ian Lepore
On Mon, 2019-08-19 at 17:09 +0930, O'Connor, Daniel wrote: > > On 12 Aug 2019, at 09:09, O'Connor, Daniel > > wrote: > > > always get lost on single-core processors which are in cpu_idle() > > > at > > > the time the hardclock interrupt happens. (But that's fixable by > > > just > > > increasing

Re: Is it a good idea to use a usb-serial adapter for PPS input? Yes, it is.

2019-08-19 Thread O'Connor, Daniel
> On 12 Aug 2019, at 09:09, O'Connor, Daniel wrote: >> always get lost on single-core processors which are in cpu_idle() at >> the time the hardclock interrupt happens. (But that's fixable by just >> increasing the number of timehands, I think at least 4 are required.) > > OK, how do I increa