[PATCH 4/4] SPARC: optimize IRQ enable & disable

Daniel Hellstrom daniel at gaisler.com
Thu Nov 20 11:36:41 UTC 2014

On 11/20/2014 12:08 PM, Sebastian Huber wrote:
> On 20/11/14 10:22, Daniel Hellstrom wrote:
>> I will fix this. I missed it since it I never enabled RTEMS_PROFILING. 
> I did a test suite run on NGMP with profiling enabled and your patches with a local fix.  So overall they don't make things worse and the median of all maximum thread dispatch disabled times drops a 
> bit (Std = Git master, Opt = with your patches).
How should I interpret this, is it all RTEMS test-suite you have run performing the profiling?

Turning on/off interrupts should be faster, but the code calling the on/off routines should also be faster. I used GRMON to extract instruction traces for window overflow/underflow handling to benchmark.


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