Re: Cavium mips64 perf counters

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On 04/26/2010 06:40 AM, Giant Sand Fan's wrote:
Hi,

I'm trying to calculate de CPU load by access the performance counters
in mips and I haved reading in the cp0 but my problem is that I cannot
find documentation about the real meaning of these counters :

1.-LOG_PERF_CNT_NISSUE : ¿means cycle with no issue?

2.-LOG_PERF_CNT_SISSUE : ¿means cycle with     issue?

Single issue.


3.-LOG_PERF_CNT_DISSUE: ¿means cycle with double issue?


That's right.  And PERF_CNT_CLK is the number of cycles.

David Daney


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