On Thu, Apr 16, 2015 at 9:43 PM, Jan Kiszka <[email protected]> wrote:
> On 2015-04-16 15:23, Gilles Chanteperdrix wrote:
>> On Thu, Apr 16, 2015 at 07:20:09PM +0800, GP Orcullo wrote:
>>> Hi,
>>>
>>> I'm trying to run Xenomai 3 on my Cubieboard2 but it fails the clocktest:
>>>
>>> # /usr/xenomai/bin/clocktest -C 42
>>> clock_gettime failed for clock id == Tested clock: 42 (<unknown>)
>>> CPU      ToD offset [us] ToD drift [us/s]      warps max delta [us]
>>> --- -------------------- ---------------- ---------- --------------42
>>>
>>>   0                  0.0            0.000          0            0.0
>>>   1                  0.0            0.000          0            0.0
>>> clock_gettime failed for clock id 42
>>>
>>> The clock test runs fine on Xenomai 2:
>>>
>>> # clocktest -C 42
>>> == Tested clock: 42 (CLOCK_HOST_REALTIME)
>>> CPU      ToD offset [us] ToD drift [us/s]      warps max delta [us]
>>> --- -------------------- ---------------- ---------- --------------
>>>   0                  1.0            0.093          0            0.0
>>>   1                  0.8            0.000          0            0.0
>>> ^C
>>
>> CLOCK_HOST_REALTIME is no longer 42 in Xenomai 3 (which is why
>> clocktest tells you that the clockid 42 is unknown, it really is).
>>
>
> CLOCK_HOST_REALTIME is an extension clock, thus you need
>
> clocktest -E -C 42
>
> in Xenomai 3.
>
> Jan
>
> --
> Siemens AG, Corporate Technology, CT RTC ITP SES-DE
> Corporate Competence Center Embedded Linux

The answer is 32 :)

# /usr/xenomai/bin/clocktest -D -C 32
hostrt data area is live
sequence counter : 261312
wall_time_sec    : 3698
wall_time_nsec   : 660000622
wall_to_monotonic_sec    : -2392
wall_to_monotonic_nsec   : 103430917
cycle_last       : 31565440899
mask             : 0xffffffffffffffff
mult             : 699050667
shift            : 24

== Tested clock: 32 (CLOCK_HOST_REALTIME)
CPU      ToD offset [us] ToD drift [us/s]      warps max delta [us]
--- -------------------- ---------------- ---------- --------------
  0                  1.4           -0.034          0            0.0
  1                  1.4            0.134          0            0.0


BTW, any idea on how to diagnose the switchtest issue? The test is
running but it is not generating any output. It looks like "-q -Q"
switches are enabled.

-- 
GP Orcullo

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