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-rw-r--r--cmd/geth/monitorcmd.go2
-rw-r--r--eth/downloader/downloader.go44
-rw-r--r--eth/downloader/metrics.go45
-rw-r--r--eth/downloader/queue.go12
-rw-r--r--eth/fetcher/fetcher.go35
-rw-r--r--eth/fetcher/metrics.go26
-rw-r--r--eth/metrics.go32
7 files changed, 160 insertions, 36 deletions
diff --git a/cmd/geth/monitorcmd.go b/cmd/geth/monitorcmd.go
index a7c099532..a45d29b8f 100644
--- a/cmd/geth/monitorcmd.go
+++ b/cmd/geth/monitorcmd.go
@@ -289,7 +289,7 @@ func updateChart(metric string, data []float64, base *int, chart *termui.LineCha
}
}
unit, scale := 0, 1.0
- for high >= 1000 {
+ for high >= 1000 && unit+1 < len(dataUnits) {
high, unit, scale = high/1000, unit+1, scale*1000
}
// If the unit changes, re-create the chart (hack to set max height...)
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index 0e8529756..574f2ba15 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -526,6 +526,7 @@ func (d *Downloader) fetchHashes61(p *peer, td *big.Int, from uint64) error {
glog.V(logger.Debug).Infof("%v: downloading hashes from #%d", p, from)
// Create a timeout timer, and the associated hash fetcher
+ request := time.Now() // time of the last fetch request
timeout := time.NewTimer(0) // timer to dump a non-responsive active peer
<-timeout.C // timeout channel should be initially empty
defer timeout.Stop()
@@ -534,6 +535,7 @@ func (d *Downloader) fetchHashes61(p *peer, td *big.Int, from uint64) error {
glog.V(logger.Detail).Infof("%v: fetching %d hashes from #%d", p, MaxHashFetch, from)
go p.getAbsHashes(from, MaxHashFetch)
+ request = time.Now()
timeout.Reset(hashTTL)
}
// Start pulling hashes, until all are exhausted
@@ -557,6 +559,7 @@ func (d *Downloader) fetchHashes61(p *peer, td *big.Int, from uint64) error {
glog.V(logger.Debug).Infof("Received hashes from incorrect peer(%s)", hashPack.peerId)
break
}
+ hashReqTimer.UpdateSince(request)
timeout.Stop()
// If no more hashes are inbound, notify the block fetcher and return
@@ -609,6 +612,7 @@ func (d *Downloader) fetchHashes61(p *peer, td *big.Int, from uint64) error {
case <-timeout.C:
glog.V(logger.Debug).Infof("%v: hash request timed out", p)
+ hashTimeoutMeter.Mark(1)
return errTimeout
}
}
@@ -896,6 +900,7 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
defer glog.V(logger.Debug).Infof("%v: header download terminated", p)
// Create a timeout timer, and the associated hash fetcher
+ request := time.Now() // time of the last fetch request
timeout := time.NewTimer(0) // timer to dump a non-responsive active peer
<-timeout.C // timeout channel should be initially empty
defer timeout.Stop()
@@ -904,6 +909,7 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
glog.V(logger.Detail).Infof("%v: fetching %d headers from #%d", p, MaxHeaderFetch, from)
go p.getAbsHeaders(from, MaxHeaderFetch, 0, false)
+ request = time.Now()
timeout.Reset(headerTTL)
}
// Start pulling headers, until all are exhausted
@@ -927,6 +933,7 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
glog.V(logger.Debug).Infof("Received headers from incorrect peer (%s)", headerPack.peerId)
break
}
+ headerReqTimer.UpdateSince(request)
timeout.Stop()
// If no more headers are inbound, notify the body fetcher and return
@@ -980,6 +987,7 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
case <-timeout.C:
// Header retrieval timed out, consider the peer bad and drop
glog.V(logger.Debug).Infof("%v: header request timed out", p)
+ headerTimeoutMeter.Mark(1)
d.dropPeer(p.id)
// Finish the sync gracefully instead of dumping the gathered data though
@@ -1244,7 +1252,14 @@ func (d *Downloader) process() {
// DeliverHashes61 injects a new batch of hashes received from a remote node into
// the download schedule. This is usually invoked through the BlockHashesMsg by
// the protocol handler.
-func (d *Downloader) DeliverHashes61(id string, hashes []common.Hash) error {
+func (d *Downloader) DeliverHashes61(id string, hashes []common.Hash) (err error) {
+ // Update the delivery metrics for both good and failed deliveries
+ hashInMeter.Mark(int64(len(hashes)))
+ defer func() {
+ if err != nil {
+ hashDropMeter.Mark(int64(len(hashes)))
+ }
+ }()
// Make sure the downloader is active
if atomic.LoadInt32(&d.synchronising) == 0 {
return errNoSyncActive
@@ -1265,7 +1280,14 @@ func (d *Downloader) DeliverHashes61(id string, hashes []common.Hash) error {
// DeliverBlocks61 injects a new batch of blocks received from a remote node.
// This is usually invoked through the BlocksMsg by the protocol handler.
-func (d *Downloader) DeliverBlocks61(id string, blocks []*types.Block) error {
+func (d *Downloader) DeliverBlocks61(id string, blocks []*types.Block) (err error) {
+ // Update the delivery metrics for both good and failed deliveries
+ blockInMeter.Mark(int64(len(blocks)))
+ defer func() {
+ if err != nil {
+ blockDropMeter.Mark(int64(len(blocks)))
+ }
+ }()
// Make sure the downloader is active
if atomic.LoadInt32(&d.synchronising) == 0 {
return errNoSyncActive
@@ -1286,7 +1308,14 @@ func (d *Downloader) DeliverBlocks61(id string, blocks []*types.Block) error {
// DeliverHeaders injects a new batch of blck headers received from a remote
// node into the download schedule.
-func (d *Downloader) DeliverHeaders(id string, headers []*types.Header) error {
+func (d *Downloader) DeliverHeaders(id string, headers []*types.Header) (err error) {
+ // Update the delivery metrics for both good and failed deliveries
+ headerInMeter.Mark(int64(len(headers)))
+ defer func() {
+ if err != nil {
+ headerDropMeter.Mark(int64(len(headers)))
+ }
+ }()
// Make sure the downloader is active
if atomic.LoadInt32(&d.synchronising) == 0 {
return errNoSyncActive
@@ -1306,7 +1335,14 @@ func (d *Downloader) DeliverHeaders(id string, headers []*types.Header) error {
}
// DeliverBodies injects a new batch of block bodies received from a remote node.
-func (d *Downloader) DeliverBodies(id string, transactions [][]*types.Transaction, uncles [][]*types.Header) error {
+func (d *Downloader) DeliverBodies(id string, transactions [][]*types.Transaction, uncles [][]*types.Header) (err error) {
+ // Update the delivery metrics for both good and failed deliveries
+ bodyInMeter.Mark(int64(len(transactions)))
+ defer func() {
+ if err != nil {
+ bodyDropMeter.Mark(int64(len(transactions)))
+ }
+ }()
// Make sure the downloader is active
if atomic.LoadInt32(&d.synchronising) == 0 {
return errNoSyncActive
diff --git a/eth/downloader/metrics.go b/eth/downloader/metrics.go
new file mode 100644
index 000000000..fd926affd
--- /dev/null
+++ b/eth/downloader/metrics.go
@@ -0,0 +1,45 @@
+// Copyright 2015 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Contains the metrics collected by the downloader.
+
+package downloader
+
+import (
+ "github.com/ethereum/go-ethereum/metrics"
+)
+
+var (
+ hashInMeter = metrics.NewMeter("eth/downloader/hashes/in")
+ hashReqTimer = metrics.NewTimer("eth/downloader/hashes/req")
+ hashDropMeter = metrics.NewMeter("eth/downloader/hashes/drop")
+ hashTimeoutMeter = metrics.NewMeter("eth/downloader/hashes/timeout")
+
+ blockInMeter = metrics.NewMeter("eth/downloader/blocks/in")
+ blockReqTimer = metrics.NewTimer("eth/downloader/blocks/req")
+ blockDropMeter = metrics.NewMeter("eth/downloader/blocks/drop")
+ blockTimeoutMeter = metrics.NewMeter("eth/downloader/blocks/timeout")
+
+ headerInMeter = metrics.NewMeter("eth/downloader/headers/in")
+ headerReqTimer = metrics.NewTimer("eth/downloader/headers/req")
+ headerDropMeter = metrics.NewMeter("eth/downloader/headers/drop")
+ headerTimeoutMeter = metrics.NewMeter("eth/downloader/headers/timeout")
+
+ bodyInMeter = metrics.NewMeter("eth/downloader/bodies/in")
+ bodyReqTimer = metrics.NewTimer("eth/downloader/bodies/req")
+ bodyDropMeter = metrics.NewMeter("eth/downloader/bodies/drop")
+ bodyTimeoutMeter = metrics.NewMeter("eth/downloader/bodies/timeout")
+)
diff --git a/eth/downloader/queue.go b/eth/downloader/queue.go
index a527414ff..7db78327b 100644
--- a/eth/downloader/queue.go
+++ b/eth/downloader/queue.go
@@ -397,9 +397,19 @@ func (q *queue) Expire(timeout time.Duration) []string {
peers := []string{}
for id, request := range q.pendPool {
if time.Since(request.Time) > timeout {
+ // Update the metrics with the timeout
+ if len(request.Hashes) > 0 {
+ blockTimeoutMeter.Mark(1)
+ } else {
+ bodyTimeoutMeter.Mark(1)
+ }
+ // Return any non satisfied requests to the pool
for hash, index := range request.Hashes {
q.hashQueue.Push(hash, float32(index))
}
+ for _, header := range request.Headers {
+ q.headerQueue.Push(header, -float32(header.Number.Uint64()))
+ }
peers = append(peers, id)
}
}
@@ -420,6 +430,7 @@ func (q *queue) Deliver61(id string, blocks []*types.Block) (err error) {
if request == nil {
return errNoFetchesPending
}
+ blockReqTimer.UpdateSince(request.Time)
delete(q.pendPool, id)
// If no blocks were retrieved, mark them as unavailable for the origin peer
@@ -468,6 +479,7 @@ func (q *queue) Deliver(id string, txLists [][]*types.Transaction, uncleLists []
if request == nil {
return errNoFetchesPending
}
+ bodyReqTimer.UpdateSince(request.Time)
delete(q.pendPool, id)
// If no block bodies were retrieved, mark them as unavailable for the origin peer
diff --git a/eth/fetcher/fetcher.go b/eth/fetcher/fetcher.go
index f54256788..b8ec1fc55 100644
--- a/eth/fetcher/fetcher.go
+++ b/eth/fetcher/fetcher.go
@@ -347,18 +347,19 @@ func (f *Fetcher) loop() {
case notification := <-f.notify:
// A block was announced, make sure the peer isn't DOSing us
- announceMeter.Mark(1)
+ propAnnounceInMeter.Mark(1)
count := f.announces[notification.origin] + 1
if count > hashLimit {
glog.V(logger.Debug).Infof("Peer %s: exceeded outstanding announces (%d)", notification.origin, hashLimit)
+ propAnnounceDOSMeter.Mark(1)
break
}
// If we have a valid block number, check that it's potentially useful
if notification.number > 0 {
if dist := int64(notification.number) - int64(f.chainHeight()); dist < -maxUncleDist || dist > maxQueueDist {
glog.V(logger.Debug).Infof("[eth/62] Peer %s: discarded announcement #%d [%x…], distance %d", notification.origin, notification.number, notification.hash[:4], dist)
- discardMeter.Mark(1)
+ propAnnounceDropMeter.Mark(1)
break
}
}
@@ -377,7 +378,7 @@ func (f *Fetcher) loop() {
case op := <-f.inject:
// A direct block insertion was requested, try and fill any pending gaps
- broadcastMeter.Mark(1)
+ propBroadcastInMeter.Mark(1)
f.enqueue(op.origin, op.block)
case hash := <-f.done:
@@ -425,10 +426,12 @@ func (f *Fetcher) loop() {
}
if fetchBlocks != nil {
// Use old eth/61 protocol to retrieve whole blocks
+ blockFetchMeter.Mark(int64(len(hashes)))
fetchBlocks(hashes)
} else {
// Use new eth/62 protocol to retrieve headers first
for _, hash := range hashes {
+ headerFetchMeter.Mark(1)
fetchHeader(hash) // Suboptimal, but protocol doesn't allow batch header retrievals
}
}
@@ -467,6 +470,7 @@ func (f *Fetcher) loop() {
if f.completingHook != nil {
f.completingHook(hashes)
}
+ bodyFetchMeter.Mark(int64(len(hashes)))
go f.completing[hashes[0]].fetchBodies(hashes)
}
// Schedule the next fetch if blocks are still pending
@@ -480,6 +484,7 @@ func (f *Fetcher) loop() {
case <-f.quit:
return
}
+ blockFilterInMeter.Mark(int64(len(blocks)))
explicit, download := []*types.Block{}, []*types.Block{}
for _, block := range blocks {
@@ -498,6 +503,7 @@ func (f *Fetcher) loop() {
}
}
+ blockFilterOutMeter.Mark(int64(len(download)))
select {
case filter <- download:
case <-f.quit:
@@ -520,6 +526,8 @@ func (f *Fetcher) loop() {
case <-f.quit:
return
}
+ headerFilterInMeter.Mark(int64(len(task.headers)))
+
// Split the batch of headers into unknown ones (to return to the caller),
// known incomplete ones (requiring body retrievals) and completed blocks.
unknown, incomplete, complete := []*types.Header{}, []*announce{}, []*types.Block{}
@@ -544,7 +552,10 @@ func (f *Fetcher) loop() {
if header.TxHash == types.DeriveSha(types.Transactions{}) && header.UncleHash == types.CalcUncleHash([]*types.Header{}) {
glog.V(logger.Detail).Infof("[eth/62] Peer %s: block #%d [%x…] empty, skipping body retrieval", announce.origin, header.Number.Uint64(), header.Hash().Bytes()[:4])
- complete = append(complete, types.NewBlockWithHeader(header))
+ block := types.NewBlockWithHeader(header)
+ block.ReceivedAt = task.time
+
+ complete = append(complete, block)
f.completing[hash] = announce
continue
}
@@ -559,6 +570,7 @@ func (f *Fetcher) loop() {
unknown = append(unknown, header)
}
}
+ headerFilterOutMeter.Mark(int64(len(unknown)))
select {
case filter <- &headerFilterTask{headers: unknown, time: task.time}:
case <-f.quit:
@@ -590,6 +602,7 @@ func (f *Fetcher) loop() {
case <-f.quit:
return
}
+ bodyFilterInMeter.Mark(int64(len(task.transactions)))
blocks := []*types.Block{}
for i := 0; i < len(task.transactions) && i < len(task.uncles); i++ {
@@ -606,7 +619,10 @@ func (f *Fetcher) loop() {
matched = true
if f.getBlock(hash) == nil {
- blocks = append(blocks, types.NewBlockWithHeader(announce.header).WithBody(task.transactions[i], task.uncles[i]))
+ block := types.NewBlockWithHeader(announce.header).WithBody(task.transactions[i], task.uncles[i])
+ block.ReceivedAt = task.time
+
+ blocks = append(blocks, block)
} else {
f.forgetHash(hash)
}
@@ -621,6 +637,7 @@ func (f *Fetcher) loop() {
}
}
+ bodyFilterOutMeter.Mark(int64(len(task.transactions)))
select {
case filter <- task:
case <-f.quit:
@@ -677,13 +694,14 @@ func (f *Fetcher) enqueue(peer string, block *types.Block) {
count := f.queues[peer] + 1
if count > blockLimit {
glog.V(logger.Debug).Infof("Peer %s: discarded block #%d [%x…], exceeded allowance (%d)", peer, block.NumberU64(), hash.Bytes()[:4], blockLimit)
+ propBroadcastDOSMeter.Mark(1)
f.forgetHash(hash)
return
}
// Discard any past or too distant blocks
if dist := int64(block.NumberU64()) - int64(f.chainHeight()); dist < -maxUncleDist || dist > maxQueueDist {
glog.V(logger.Debug).Infof("Peer %s: discarded block #%d [%x…], distance %d", peer, block.NumberU64(), hash.Bytes()[:4], dist)
- discardMeter.Mark(1)
+ propBroadcastDropMeter.Mark(1)
f.forgetHash(hash)
return
}
@@ -724,11 +742,10 @@ func (f *Fetcher) insert(peer string, block *types.Block) {
switch err := f.validateBlock(block, parent); err {
case nil:
// All ok, quickly propagate to our peers
- broadcastTimer.UpdateSince(block.ReceivedAt)
+ propBroadcastOutTimer.UpdateSince(block.ReceivedAt)
go f.broadcastBlock(block, true)
case core.BlockFutureErr:
- futureMeter.Mark(1)
// Weird future block, don't fail, but neither propagate
default:
@@ -743,7 +760,7 @@ func (f *Fetcher) insert(peer string, block *types.Block) {
return
}
// If import succeeded, broadcast the block
- announceTimer.UpdateSince(block.ReceivedAt)
+ propAnnounceOutTimer.UpdateSince(block.ReceivedAt)
go f.broadcastBlock(block, false)
// Invoke the testing hook if needed
diff --git a/eth/fetcher/metrics.go b/eth/fetcher/metrics.go
index 76cc49226..b82d3ca01 100644
--- a/eth/fetcher/metrics.go
+++ b/eth/fetcher/metrics.go
@@ -23,10 +23,24 @@ import (
)
var (
- announceMeter = metrics.NewMeter("eth/sync/RemoteAnnounces")
- announceTimer = metrics.NewTimer("eth/sync/LocalAnnounces")
- broadcastMeter = metrics.NewMeter("eth/sync/RemoteBroadcasts")
- broadcastTimer = metrics.NewTimer("eth/sync/LocalBroadcasts")
- discardMeter = metrics.NewMeter("eth/sync/DiscardedBlocks")
- futureMeter = metrics.NewMeter("eth/sync/FutureBlocks")
+ propAnnounceInMeter = metrics.NewMeter("eth/fetcher/prop/announces/in")
+ propAnnounceOutTimer = metrics.NewTimer("eth/fetcher/prop/announces/out")
+ propAnnounceDropMeter = metrics.NewMeter("eth/fetcher/prop/announces/drop")
+ propAnnounceDOSMeter = metrics.NewMeter("eth/fetcher/prop/announces/dos")
+
+ propBroadcastInMeter = metrics.NewMeter("eth/fetcher/prop/broadcasts/in")
+ propBroadcastOutTimer = metrics.NewTimer("eth/fetcher/prop/broadcasts/out")
+ propBroadcastDropMeter = metrics.NewMeter("eth/fetcher/prop/broadcasts/drop")
+ propBroadcastDOSMeter = metrics.NewMeter("eth/fetcher/prop/broadcasts/dos")
+
+ blockFetchMeter = metrics.NewMeter("eth/fetcher/fetch/blocks")
+ headerFetchMeter = metrics.NewMeter("eth/fetcher/fetch/headers")
+ bodyFetchMeter = metrics.NewMeter("eth/fetcher/fetch/bodies")
+
+ blockFilterInMeter = metrics.NewMeter("eth/fetcher/filter/blocks/in")
+ blockFilterOutMeter = metrics.NewMeter("eth/fetcher/filter/blocks/out")
+ headerFilterInMeter = metrics.NewMeter("eth/fetcher/filter/headers/in")
+ headerFilterOutMeter = metrics.NewMeter("eth/fetcher/filter/headers/out")
+ bodyFilterInMeter = metrics.NewMeter("eth/fetcher/filter/bodies/in")
+ bodyFilterOutMeter = metrics.NewMeter("eth/fetcher/filter/bodies/out")
)
diff --git a/eth/metrics.go b/eth/metrics.go
index 21002094c..cfab3bcb3 100644
--- a/eth/metrics.go
+++ b/eth/metrics.go
@@ -42,22 +42,22 @@ var (
reqBlockInTrafficMeter = metrics.NewMeter("eth/req/blocks/in/traffic")
reqBlockOutPacketsMeter = metrics.NewMeter("eth/req/blocks/out/packets")
reqBlockOutTrafficMeter = metrics.NewMeter("eth/req/blocks/out/traffic")
- reqHeaderInPacketsMeter = metrics.NewMeter("eth/req/header/in/packets")
- reqHeaderInTrafficMeter = metrics.NewMeter("eth/req/header/in/traffic")
- reqHeaderOutPacketsMeter = metrics.NewMeter("eth/req/header/out/packets")
- reqHeaderOutTrafficMeter = metrics.NewMeter("eth/req/header/out/traffic")
- reqBodyInPacketsMeter = metrics.NewMeter("eth/req/body/in/packets")
- reqBodyInTrafficMeter = metrics.NewMeter("eth/req/body/in/traffic")
- reqBodyOutPacketsMeter = metrics.NewMeter("eth/req/body/out/packets")
- reqBodyOutTrafficMeter = metrics.NewMeter("eth/req/body/out/traffic")
- reqStateInPacketsMeter = metrics.NewMeter("eth/req/state/in/packets")
- reqStateInTrafficMeter = metrics.NewMeter("eth/req/state/in/traffic")
- reqStateOutPacketsMeter = metrics.NewMeter("eth/req/state/out/packets")
- reqStateOutTrafficMeter = metrics.NewMeter("eth/req/state/out/traffic")
- reqReceiptInPacketsMeter = metrics.NewMeter("eth/req/receipt/in/packets")
- reqReceiptInTrafficMeter = metrics.NewMeter("eth/req/receipt/in/traffic")
- reqReceiptOutPacketsMeter = metrics.NewMeter("eth/req/receipt/out/packets")
- reqReceiptOutTrafficMeter = metrics.NewMeter("eth/req/receipt/out/traffic")
+ reqHeaderInPacketsMeter = metrics.NewMeter("eth/req/headers/in/packets")
+ reqHeaderInTrafficMeter = metrics.NewMeter("eth/req/headers/in/traffic")
+ reqHeaderOutPacketsMeter = metrics.NewMeter("eth/req/headers/out/packets")
+ reqHeaderOutTrafficMeter = metrics.NewMeter("eth/req/headers/out/traffic")
+ reqBodyInPacketsMeter = metrics.NewMeter("eth/req/bodies/in/packets")
+ reqBodyInTrafficMeter = metrics.NewMeter("eth/req/bodies/in/traffic")
+ reqBodyOutPacketsMeter = metrics.NewMeter("eth/req/bodies/out/packets")
+ reqBodyOutTrafficMeter = metrics.NewMeter("eth/req/bodies/out/traffic")
+ reqStateInPacketsMeter = metrics.NewMeter("eth/req/states/in/packets")
+ reqStateInTrafficMeter = metrics.NewMeter("eth/req/states/in/traffic")
+ reqStateOutPacketsMeter = metrics.NewMeter("eth/req/states/out/packets")
+ reqStateOutTrafficMeter = metrics.NewMeter("eth/req/states/out/traffic")
+ reqReceiptInPacketsMeter = metrics.NewMeter("eth/req/receipts/in/packets")
+ reqReceiptInTrafficMeter = metrics.NewMeter("eth/req/receipts/in/traffic")
+ reqReceiptOutPacketsMeter = metrics.NewMeter("eth/req/receipts/out/packets")
+ reqReceiptOutTrafficMeter = metrics.NewMeter("eth/req/receipts/out/traffic")
miscInPacketsMeter = metrics.NewMeter("eth/misc/in/packets")
miscInTrafficMeter = metrics.NewMeter("eth/misc/in/traffic")
miscOutPacketsMeter = metrics.NewMeter("eth/misc/out/packets")
generated by cgit (git 2.34.1) at 2024-11-12 18:19:19 +0800