Re: [hatari-devel] profiler cycles (was New WinUAE core issue with Bad Mood)

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

Hi,

On maanantai 15 joulukuu 2014, Nicolas Pomarède wrote:
> Le 14/12/2014 23:16, Eero Tamminen a écrit :
> > 10-20% of the instructions have zero cycles, in places even more.
> > There can be even 3 consecutive instructions with zero cycles.  [1]
> > 
> > This happens only for Falcon & TT emulation, and only with WinUAE
> > CPU emulation.
> 
> did you make trace at 16 MHz ? If so, could you try at 8 MHz to remove
> any possible rounding when doing the ">> nCpuFreqShift" ?

Both EmuTOS and TOS4 seem to set 16Mhz at boot, but TT allows booting
also with 8Mhz (--cpuclock 8).  Neither that, nor switching to 8Mhz after
boot helped.  Nor did commenting the shifting out from profilecpu.c.


> I will take a look later when booting tos 3 or 4 by printing cycles
> before any possible rounding.


	- Eero