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ARMv7 disables cyclec counters while reading #34

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xurtis opened this issue May 18, 2021 · 2 comments
Open

ARMv7 disables cyclec counters while reading #34

xurtis opened this issue May 18, 2021 · 2 comments
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@xurtis
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xurtis commented May 18, 2021

ARMv7 currently disables cycle counters while reading the cycle counter values. If the task reading the values is preempted during the read than all time during the preemption is not included in the cycle counts.

Fix needed should be similar to #32
@kent-mcleod
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Are you happy to add the fix for this to #32 also

@xurtis
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xurtis commented May 20, 2021

I'm very short on time at the moment and would prefer to get #32 merged as is

@axel-h axel-h added the bug label Jun 1, 2021
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@kent-mcleod @xurtis @axel-h