diff options
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/simple_cpu/simple_cpu.cc | 9 | ||||
| -rw-r--r-- | cpu/simple_cpu/simple_cpu.hh | 8 |
2 files changed, 3 insertions, 14 deletions
diff --git a/cpu/simple_cpu/simple_cpu.cc b/cpu/simple_cpu/simple_cpu.cc index 814902390..550b6c64f 100644 --- a/cpu/simple_cpu/simple_cpu.cc +++ b/cpu/simple_cpu/simple_cpu.cc @@ -160,7 +160,6 @@ SimpleCPU::SimpleCPU(const string &_name, Process *_process, numInst = 0; numLoad = 0; - last_idle = 0; lastIcacheStall = 0; lastDcacheStall = 0; @@ -171,7 +170,6 @@ SimpleCPU::~SimpleCPU() { } - void SimpleCPU::switchOut() { @@ -229,11 +227,6 @@ SimpleCPU::regStats() .desc("Number of memory references") ; - idleCycles - .name(name() + ".idle_cycles") - .desc("Number of idle cycles") - ; - idleFraction .name(name() + ".idle_fraction") .desc("Percentage of idle cycles") @@ -251,8 +244,6 @@ SimpleCPU::regStats() .prereq(dcacheStallCycles) ; - idleFraction = idleCycles / simTicks; - numInsts = Statistics::scalar(numInst); simInsts += numInsts; } diff --git a/cpu/simple_cpu/simple_cpu.hh b/cpu/simple_cpu/simple_cpu.hh index 6ad831218..d69d4e8de 100644 --- a/cpu/simple_cpu/simple_cpu.hh +++ b/cpu/simple_cpu/simple_cpu.hh @@ -207,7 +207,7 @@ class SimpleCPU : public BaseCPU case Idle: assert(old_status == Running); - last_idle = curTick; + idleFraction++; if (tickEvent.scheduled()) tickEvent.squash(); break; @@ -217,7 +217,7 @@ class SimpleCPU : public BaseCPU old_status == DcacheMissStall || old_status == IcacheMissComplete); if (old_status == Idle && curTick != 0) - idleCycles += curTick - last_idle; + idleFraction--; if (tickEvent.squashed()) tickEvent.reschedule(curTick + 1); @@ -244,9 +244,7 @@ class SimpleCPU : public BaseCPU Counter numLoad; // number of idle cycles - Statistics::Scalar<> idleCycles; - Statistics::Formula idleFraction; - Counter last_idle; + Statistics::Average<> idleFraction; // number of cycles stalled for I-cache misses Statistics::Scalar<> icacheStallCycles; |