Hello Mao,
Title Correct: csky: Add reg-io-width property for csky pmu
It's not a reg-io-width. I think it's a count-width, isn't it?
On Mon, Jun 3, 2019 at 2:47 PM Mao Han wrote:
>
> csky pmu counter may have different io width. When the counter is smaller
Csky pmu counter ..., capitalize the f
csky pmu counter may have different io width. When the counter is smaller
then 64 bits and counter value is smaller than the old value, it will
result to a extremely large delta value. So the sampled value should be
extend to 64 bits to avoid this, the extension bits base on the
reg-io-width proper
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