diff options
Diffstat (limited to 'src/cpu/inorder/cpu.cc')
| -rw-r--r-- | src/cpu/inorder/cpu.cc | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/src/cpu/inorder/cpu.cc b/src/cpu/inorder/cpu.cc index a3b203559..e864c8c86 100644 --- a/src/cpu/inorder/cpu.cc +++ b/src/cpu/inorder/cpu.cc @@ -389,9 +389,17 @@ InOrderCPU::regStats() idleCycles .name(name() + ".idleCycles") - .desc("Total number of cycles that the CPU has spent unscheduled due " - "to idling") - .prereq(idleCycles); + .desc("Number of cycles cpu's stages were not processed"); + + runCycles + .name(name() + ".runCycles") + .desc("Number of cycles cpu stages are processed."); + + activity + .name(name() + ".activity") + .desc("Percentage of cycles cpu is active") + .precision(6); + activity = (runCycles / numCycles) * 100; threadCycles .init(numThreads) @@ -463,18 +471,27 @@ InOrderCPU::tick() ++numCycles; + bool pipes_idle = true; + //Tick each of the stages for (int stNum=NumStages - 1; stNum >= 0 ; stNum--) { pipelineStage[stNum]->tick(); + + pipes_idle = pipes_idle && pipelineStage[stNum]->idle; } + if (pipes_idle) + idleCycles++; + else + runCycles++; + // Now advance the time buffers one tick timeBuffer.advance(); for (int sqNum=0; sqNum < NumStages - 1; sqNum++) { stageQueue[sqNum]->advance(); } activityRec.advance(); - + // Any squashed requests, events, or insts then remove them now cleanUpRemovedReqs(); cleanUpRemovedEvents(); |