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inorder: add execution unit stats

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This commit is contained in:
Korey Sewell 2010-01-31 18:29:49 -05:00
parent 82c5a754e6
commit 002f1b8b7e
2 changed files with 22 additions and 0 deletions
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17
src/cpu/inorder/resources/execution_unit.cc
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@ -54,6 +54,17 @@ ExecutionUnit::regStats()
.name(name() + ".predictedNotTakenIncorrect")
.desc("Number of Branches Incorrectly Predicted As Not Taken).");
lastExecuteCycle = curTick;
cyclesExecuted
.name(name() + ".cyclesExecuted")
.desc("Number of Cycles Execution Unit was used.");
utilization
.name(name() + ".utilization")
.desc("Utilization of Execution Unit (cycles / totalCycles).");
utilization = cyclesExecuted / cpu->numCycles;
Resource::regStats();
}
@ -75,6 +86,12 @@ ExecutionUnit::execute(int slot_num)
{
case ExecuteInst:
{
if (curTick != lastExecuteCycle) {
lastExecuteCycle = curTick;
cyclesExecuted++;
}
if (inst->isMemRef()) {
panic("%s not configured to handle memory ops.\n", resName);
} else if (inst->isControl()) {

5
src/cpu/inorder/resources/execution_unit.hh
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@ -71,6 +71,11 @@ class ExecutionUnit : public Resource {
/////////////////////////////////////////////////////////////////
Stats::Scalar predictedTakenIncorrect;
Stats::Scalar predictedNotTakenIncorrect;
Stats::Scalar cyclesExecuted;
Tick lastExecuteCycle;
Stats::Formula utilization;
};