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Cavium mips64 perf counters

To: linux-mips@linux-mips.org
Subject: Cavium mips64 perf counters
From: "Giant Sand Fan's" <rampxxxx@gmail.com>
Date: Mon, 26 Apr 2010 15:40:52 +0200
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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?

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


so CPU load will be == 2*100/(1+2) , in the period of time.

any clue...



thanks

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