exec3.go: fix bad log of mags

eth/stagedsync/exec3.go

@@ -81,6 +81,7 @@ func NewProgress(prevOutputBlockNum, commitThreshold uint64, workersCount int, u
 type Progress struct {
  prevTime time.Time
  prevTxCount uint64
+ prevGasUsed uint64
  prevOutputBlockNum uint64
  prevRepeatCount uint64
  commitThreshold uint64
@@ -112,7 +113,7 @@ func (p *Progress) Log(suffix string, rs *state.StateV3, in *state.QueueWithRetr
  suffix += " Commit every block"
  }
 
- gasUsedMgas := float64(gas) / 1e6
+ gasUsedMgas := float64(gas-p.prevGasUsed) / 1e6
  mgasPerSec := gasUsedMgas / interval.Seconds()
  //avgMgasSec = ((e.avgMgasSec * (float64(e.recordedMgasSec))) + mgasPerSec) / float64(e.recordedMgasSec+1)
 
@@ -140,6 +141,7 @@ func (p *Progress) Log(suffix string, rs *state.StateV3, in *state.QueueWithRetr
 
  p.prevTime = currentTime
  p.prevTxCount = txCount
+ p.prevGasUsed = gas
  p.prevOutputBlockNum = outputBlockNum
  p.prevRepeatCount = repeatCount
 }
@@ -782,7 +784,7 @@ Loop:
  HistoryExecution: offsetFromBlockBeginning > 0 && txIndex < int(offsetFromBlockBeginning),
 
  BlockReceipts: receipts,
- Config: chainConfig,
+ Config:  chainConfig,
  }
 
  if txIndex >= 0 && !txTask.Final && isPoSa {