On 05/06/2011 11:28 AM, Alexey Galakhov wrote:
> On 05/05/2011 11:26 PM, Gilles Chanteperdrix wrote:
>> Please try and move the cal to ipipe_tsc_update to the acktimer function.
>> Also call printk in the actkimer function, in order to see if the last
>> action is a set_dec, or an acktimer.
> Just tried to add printk (not moved anything). Got:
>
> ipipe_mach_set_dec: 4294967295
> ipipe_mach_set_dec: 4294967295
> ipipe_mach_set_dec: 42186
> Xenomai: scheduling class idle registered.
> Xenomai: scheduling class rt registered.
> acktimer
> acktimer
> acktimer
> acktimer
> acktimer
> Xenomai: real-time nucleus v2.5.6 (Wormhole Wizards) loaded.
> ipipe_mach_set_dec: 42187
> Xenomai: starting native API services.
> Xenomai: starting POSIX services.
> Xenomai: starting RTDM services.
> acktimer
> msgmni has been set to 119
> Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
> io scheduler noop registered (default)
Ok, so there is a timer interrupt which does not result in reprogramming
the timer, all you need to find out is why... Could you print the tsc
value for each of these printks?
Also, have you tried putting the call to the tsc update function in the
acktimer function?
--
Gilles.
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