Re: [Xenomai] rtdm_timer_start latency?

2018-02-13 Thread Auel, Kendall
look compatible tool for bottom-posting?) > -Original Message- > From: Xenomai [mailto:xenomai-boun...@xenomai.org] On Behalf Of > Lowell Gilbert > Sent: Tuesday, February 13, 2018 9:04 AM > To: xenomai@xenomai.org > Subject: Re: [Xenomai] rtdm_timer_start latency? > &g

Re: [Xenomai] rtdm_timer_start latency?

2018-02-13 Thread Lowell Gilbert
Lowell Gilbert writes: > Lowell Gilbert writes: > >> Philippe Gerum writes: >> >>> On 02/09/2018 11:02 AM, Philippe Gerum wrote: On 02/09/2018 12:45 AM, Lowell Gilbert wrote: > Am I correct in assuming that when calling rtdm_timer_start(), I should > not be getting multi-second lat

Re: [Xenomai] rtdm_timer_start latency?

2018-02-12 Thread Lowell Gilbert
Lange Norbert writes: > this seems identical to an issue I have. I wanted to start a > millisecond tick, aligned to seconds, but used the POSIX > timerfd_settime. Under Linux this works as intendent, under cobalt it > doesn't. > > I expect that the first timeout would be somewhat close to the ca

Re: [Xenomai] rtdm_timer_start latency?

2018-02-12 Thread Lange Norbert
ai.org] On Behalf Of Lowell >Gilbert >Sent: Montag, 12. Februar 2018 14:41 >To: xenomai@xenomai.org >Subject: Re: [Xenomai] rtdm_timer_start latency? > >E-MAIL FROM A NON-ANDRITZ SOURCE: AS A SECURITY MEASURE, PLEASE >EXERCISE CAUTION WITH E-MAIL CONTENT AND ANY LINKS

Re: [Xenomai] rtdm_timer_start latency?

2018-02-12 Thread Lowell Gilbert
Lowell Gilbert writes: > Philippe Gerum writes: > >> On 02/09/2018 11:02 AM, Philippe Gerum wrote: >>> On 02/09/2018 12:45 AM, Lowell Gilbert wrote: Am I correct in assuming that when calling rtdm_timer_start(), I should not be getting multi-second latencies before the first call to th

Re: [Xenomai] rtdm_timer_start latency?

2018-02-09 Thread Lowell Gilbert
Lowell Gilbert writes: > To put it another way, I'm trying to figure out what am I doing wrong in: > ret = rtdm_timer_start(&pstate.collect.timer, rtdm_clock_read() > + 1, > pstate.collect.period, > RTDM_TIME

Re: [Xenomai] rtdm_timer_start latency?

2018-02-09 Thread Lowell Gilbert
Philippe Gerum writes: > On 02/09/2018 11:02 AM, Philippe Gerum wrote: >> On 02/09/2018 12:45 AM, Lowell Gilbert wrote: >>> Am I correct in assuming that when calling rtdm_timer_start(), I should >>> not be getting multi-second latencies before the first call to the timer >>> routine? Just checki

Re: [Xenomai] rtdm_timer_start latency?

2018-02-09 Thread Philippe Gerum
On 02/09/2018 11:02 AM, Philippe Gerum wrote: > On 02/09/2018 12:45 AM, Lowell Gilbert wrote: >> Am I correct in assuming that when calling rtdm_timer_start(), I should >> not be getting multi-second latencies before the first call to the timer >> routine? Just checking before I dig in too far. >>

Re: [Xenomai] rtdm_timer_start latency?

2018-02-09 Thread Philippe Gerum
On 02/09/2018 12:45 AM, Lowell Gilbert wrote: > Am I correct in assuming that when calling rtdm_timer_start(), I should > not be getting multi-second latencies before the first call to the timer > routine? Just checking before I dig in too far. > Of course not. I suspect an absolute expiry time i