forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-08-20 10:52:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

les: filter txpool relative request statistic

Browse source
This commit is contained in:
rjl493456442 2019-09-11 19:58:03 +08:00 committed by Zsolt Felfoldi
parent d1c62b7f42
commit 1a6aa2fd40
1 changed files with 37 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
les/costtracker.go
View file

@ -28,6 +28,7 @@ import (
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/les/flowcontrol"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
)
const makeCostStats = false // make request cost statistics during operation
@ -87,7 +88,7 @@ const (
gfUsageTC = time.Second
gfRaiseTC = time.Second * 200
gfDropTC = time.Second * 50
gfDbKey = "_globalCostFactorV3"
gfDbKey = "_globalCostFactorV4"
)
// costTracker is responsible for calculating costs and cost estimates on the
@ -226,7 +227,9 @@ type reqInfo struct {
// servingTime is the CPU time corresponding to the actual processing of
// the request.
servingTime float64
msgCode uint64
// msgCode indicates the type of request.
msgCode uint64
}
// gfLoop starts an event loop which updates the global cost factor which is
@ -270,31 +273,43 @@ func (ct *costTracker) gfLoop() {
for {
select {
case r := <-ct.reqInfoCh:
relCost := int64(factor * r.servingTime * 100 / r.avgTimeCost) // Convert the value to a percentage form
// Record more metrics if we are debugging
if metrics.EnabledExpensive {
switch r.msgCode {
case GetBlockHeadersMsg:
relativeCostHeaderHistogram.Update(relCost)
case GetBlockBodiesMsg:
relativeCostBodyHistogram.Update(relCost)
case GetReceiptsMsg:
relativeCostReceiptHistogram.Update(relCost)
case GetCodeMsg:
relativeCostCodeHistogram.Update(relCost)
case GetProofsV2Msg:
relativeCostProofHistogram.Update(relCost)
case GetHelperTrieProofsMsg:
relativeCostHelperProofHistogram.Update(relCost)
case SendTxV2Msg:
relativeCostSendTxHistogram.Update(relCost)
case GetTxStatusMsg:
relativeCostTxStatusHistogram.Update(relCost)
}
}
// SendTxV2 and GetTxStatus requests are two special cases.
// All other requests will only put pressure on the database, and
// the corresponding delay is relatively stable. While these two
// requests involve txpool query, which is usually unstable.
//
// TODO(rjl493456442) fixes this.
if r.msgCode == SendTxV2Msg || r.msgCode == GetTxStatusMsg {
continue
}
requestServedMeter.Mark(int64(r.servingTime))
requestServedTimer.Update(time.Duration(r.servingTime))
requestEstimatedMeter.Mark(int64(r.avgTimeCost / factor))
requestEstimatedTimer.Update(time.Duration(r.avgTimeCost / factor))
relCost := int64(factor * r.servingTime * 10000 / r.avgTimeCost)
relativeCostHistogram.Update(relCost)
switch r.msgCode {
case GetBlockHeadersMsg:
relativeCostHeaderHistogram.Update(relCost)
case GetBlockBodiesMsg:
relativeCostBodyHistogram.Update(relCost)
case GetReceiptsMsg:
relativeCostReceiptHistogram.Update(relCost)
case GetCodeMsg:
relativeCostCodeHistogram.Update(relCost)
case GetProofsV2Msg:
relativeCostProofHistogram.Update(relCost)
case GetHelperTrieProofsMsg:
relativeCostHelperProofHistogram.Update(relCost)
case SendTxV2Msg:
relativeCostSendTxHistogram.Update(relCost)
case GetTxStatusMsg:
relativeCostTxStatusHistogram.Update(relCost)
}
now := mclock.Now()
dt := float64(now - expUpdate)