Hi all,
I've been working on miss latencies and stats in Ruby Caches and I
noticed something that might be a bug in tracking miss stats.
The code in Sequencer.cc has the following check for looking at a miss:
"Time miss_latency = g_eventQueue_ptr->getTime() - issued_time;
// Profile the miss latency for all non-zero demand misses
if (miss_latency != 0) {"
<track miss stats>
}
"
Should this not instead be "L1_cache_latency" or "2 *
L1_cache_latency" (if it has to be buffered both ways)???
The effect of this I think is a saturation of the miss latency
histogram in the 1st bucket.
If anyone has any thoughts, let me know, as I could be missing
something here ... :)
--
- Korey
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