inorder: add execution unit stats
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2 changed files with 22 additions and 0 deletions
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@ -54,6 +54,17 @@ ExecutionUnit::regStats()
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.name(name() + ".predictedNotTakenIncorrect")
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.desc("Number of Branches Incorrectly Predicted As Not Taken).");
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lastExecuteCycle = curTick;
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cyclesExecuted
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.name(name() + ".cyclesExecuted")
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.desc("Number of Cycles Execution Unit was used.");
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utilization
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.name(name() + ".utilization")
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.desc("Utilization of Execution Unit (cycles / totalCycles).");
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utilization = cyclesExecuted / cpu->numCycles;
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Resource::regStats();
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}
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@ -75,6 +86,12 @@ ExecutionUnit::execute(int slot_num)
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{
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case ExecuteInst:
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{
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if (curTick != lastExecuteCycle) {
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lastExecuteCycle = curTick;
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cyclesExecuted++;
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}
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if (inst->isMemRef()) {
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panic("%s not configured to handle memory ops.\n", resName);
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} else if (inst->isControl()) {
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@ -71,6 +71,11 @@ class ExecutionUnit : public Resource {
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/////////////////////////////////////////////////////////////////
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Stats::Scalar predictedTakenIncorrect;
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Stats::Scalar predictedNotTakenIncorrect;
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Stats::Scalar cyclesExecuted;
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Tick lastExecuteCycle;
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Stats::Formula utilization;
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};
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