Re: [PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-07 Thread chensong via Xenomai
On 2020年07月07日 08:42, chensong via Xenomai wrote: On 2020年07月07日 00:05, Greg Gallagher wrote: On Mon, Jul 6, 2020 at 5:29 AM chensong wrote: On 2020年07月06日 13:59, Greg Gallagher wrote: Hi On Sun, Jul 5, 2020 at 9:36 PM chensong via Xenomai wrote: On 2020年07月03日 17:21, Jan

Re: [PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-06 Thread chensong via Xenomai
On 2020年07月07日 00:05, Greg Gallagher wrote: On Mon, Jul 6, 2020 at 5:29 AM chensong wrote: On 2020年07月06日 13:59, Greg Gallagher wrote: Hi On Sun, Jul 5, 2020 at 9:36 PM chensong via Xenomai wrote: On 2020年07月03日 17:21, Jan Kiszka wrote: On 03.07.20 08:37, chensong via Xenomai

Re: [PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-06 Thread Greg Gallagher via Xenomai
On Mon, Jul 6, 2020 at 5:29 AM chensong wrote: > > > > On 2020年07月06日 13:59, Greg Gallagher wrote: > > Hi > > > > On Sun, Jul 5, 2020 at 9:36 PM chensong via Xenomai > > wrote: > >> > >> > >> > >> On 2020年07月03日 17:21, Jan Kiszka wrote: > >>> On 03.07.20 08:37, chensong via Xenomai wrote: >

Re: [PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-06 Thread chensong via Xenomai
On 2020年07月06日 13:59, Greg Gallagher wrote: Hi On Sun, Jul 5, 2020 at 9:36 PM chensong via Xenomai wrote: On 2020年07月03日 17:21, Jan Kiszka wrote: On 03.07.20 08:37, chensong via Xenomai wrote: In general, we use cyclictest and latency to evaluate the determinism of our real time

Re: [PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-06 Thread Greg Gallagher via Xenomai
Hi On Sun, Jul 5, 2020 at 9:36 PM chensong via Xenomai wrote: > > > > On 2020年07月03日 17:21, Jan Kiszka wrote: > > On 03.07.20 08:37, chensong via Xenomai wrote: > >> In general, we use cyclictest and latency to evaluate the determinism > >> of our real > >> time system. As we know, cyclictest

Re: [PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-05 Thread chensong via Xenomai
On 2020年07月06日 09:35, chensong via Xenomai wrote: On 2020年07月03日 17:21, Jan Kiszka wrote: On 03.07.20 08:37, chensong via Xenomai wrote: In general, we use cyclictest and latency to evaluate the determinism of our real time system. As we know, cyclictest and latency use hrtimer to set up

Re: [PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-05 Thread chensong via Xenomai
On 2020年07月03日 17:21, Jan Kiszka wrote: On 03.07.20 08:37, chensong via Xenomai wrote: In general, we use cyclictest and latency to evaluate the determinism of our real time system. As we know, cyclictest and latency use hrtimer to set up a timer and calculate jitter by comparing expected

Re: [PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-03 Thread chensong via Xenomai
On 2020年07月03日 17:21, Jan Kiszka wrote: On 03.07.20 08:37, chensong via Xenomai wrote: In general, we use cyclictest and latency to evaluate the determinism of our real time system. As we know, cyclictest and latency use hrtimer to set up a timer and calculate jitter by comparing expected

Re: [PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-03 Thread Jan Kiszka via Xenomai
On 03.07.20 08:37, chensong via Xenomai wrote: In general, we use cyclictest and latency to evaluate the determinism of our real time system. As we know, cyclictest and latency use hrtimer to set up a timer and calculate jitter by comparing expected wakeup time and real wakeup time. Besides

[PATCH 0/2]GPIO Loopback Benchmark Tool

2020-07-03 Thread chensong via Xenomai
In general, we use cyclictest and latency to evaluate the determinism of our real time system. As we know, cyclictest and latency use hrtimer to set up a timer and calculate jitter by comparing expected wakeup time and real wakeup time. Besides that, we can also use GPIO to evaluate more