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inorder: pipeline stage stats

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add idle/run/utilization stats for each pipeline stage
This commit is contained in:
Korey Sewell
2010-01-31 18:28:51 -05:00
parent 4d749472e3
commit ffa9ecb1fa
4 changed files with 55 additions and 62 deletions
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15
src/cpu/inorder/cpu.cc
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@@ -346,6 +346,11 @@ InOrderCPU::regStats()
.prereq(maxResReqCount);
#endif
/* Register for each Pipeline Stage */
for (int stage_num=0; stage_num < ThePipeline::NumStages; stage_num++) {
pipelineStage[stage_num]->regStats();
}
/* Register any of the InOrderCPU's stats here.*/
timesIdled
.name(name() + ".timesIdled")
@@ -1289,8 +1294,14 @@ InOrderCPU::wakeCPU()
DPRINTF(Activity, "Waking up CPU\n");
//@todo: figure out how to count idleCycles correctly
//idleCycles += (curTick - 1) - lastRunningCycle;
Tick extra_cycles = tickToCycles((curTick - 1) - lastRunningCycle);
idleCycles += extra_cycles;
for (int stage_num = 0; stage_num < NumStages; stage_num++) {
pipelineStage[stage_num]->idleCycles += extra_cycles;
}
numCycles += extra_cycles;
mainEventQueue.schedule(&tickEvent, curTick);
}