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<Mahdi> are the interrupt numbers usually found in the product's documentation? because we will not be able to have access to them in that case
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<javier__> Mahdi: hi, are you also MahNaz or is another person also wanting to know about the PMU IRQs?
<javier__> Mahdi: if you also want the IRQ numbers to define the arm-pmu (or if MahNaz is also your nickname), I don't think that PMU works with big.LITTLE yet
<javier__> since the A7 and A15 cores have different counters so if a task is migrated between different cores, you can't make sense of the data
<Mahdi> javier__, yes MahNaz my other nickname, Mahdi was taken a few hours ago
<javier__> or if the b.L switcher is enabled and the virtual CPUs change
<Mahdi> javier__, I would like to work on that and see if I can find a solution for it
<Mahdi> in fact, I'd like to focus on the performance counters themselves, not their output values for considering performance or something else
<Mahdi> javier__, moreover, a patch is written to somehow solve the problems you mentioned. so I guess if I find the IRQs, there might be some chance to solve other problems and verify their correctness
<Mahdi> javier__, anyway, do you have any idea where those IRQs could be found?
<amitk> javier__: do you know what happened to the code done by ARM to fix this? http://lwn.net/Articles/546972/
<amitk> hmm, looks like it got stuck at the review of the first patch about DT :)
<javier__> amitk: I haven't followed the discussion tbh, I just know that doesn't work because we tried with sjoerd to add the perf counters for exynos5420 before
<javier__> Mahdi: afaict the PMU IRQs are: for KFC (A7) CPU[0..3] => GIC SPI interrupts 160..163
<javier__> Mahdi: for EAGLE (A15) CPU[0] => GIC SPI sourced interrupt combiner 1,2
<javier__> *source through
<javier__> EAGLE (A15) CPU[1] => GIC SPI IRQ combiner 7,0
<javier__> EAGLE (A15) CPU[2] => GIC SPI IRQ combiner 16,6
<javier__> EAGLE (A15) CPU[3] => GIC SPI IRQ combiner 19,2
<Mahdi> javier__, thank you so much. I'll probably work on them for the next 3 months. I'll try to update as soon as I get reliable results
<javier__> Mahdi: you are welcome
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