diff options
| -rw-r--r-- | src/cpu/inorder/resources/execution_unit.cc | 17 | ||||
| -rw-r--r-- | src/cpu/inorder/resources/execution_unit.hh | 5 |
2 files changed, 22 insertions, 0 deletions
diff --git a/src/cpu/inorder/resources/execution_unit.cc b/src/cpu/inorder/resources/execution_unit.cc index 6c44e2456..429291231 100644 --- a/src/cpu/inorder/resources/execution_unit.cc +++ b/src/cpu/inorder/resources/execution_unit.cc @@ -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()) { diff --git a/src/cpu/inorder/resources/execution_unit.hh b/src/cpu/inorder/resources/execution_unit.hh index 46691bbf2..37651e873 100644 --- a/src/cpu/inorder/resources/execution_unit.hh +++ b/src/cpu/inorder/resources/execution_unit.hh @@ -71,6 +71,11 @@ class ExecutionUnit : public Resource { ///////////////////////////////////////////////////////////////// Stats::Scalar predictedTakenIncorrect; Stats::Scalar predictedNotTakenIncorrect; + + Stats::Scalar cyclesExecuted; + Tick lastExecuteCycle; + + Stats::Formula utilization; }; |