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Merge pull request #2750 from nspcc-dev/network-prometheus-metrics

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network: add prometheus histogram with cmd processing time
This commit is contained in:
Roman Khimov 2022-10-18 13:07:50 +07:00 committed by GitHub
commit 903beeb5df
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2 changed files with 29 additions and 0 deletions
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26
pkg/network/prometheus.go
View file

@ -1,6 +1,9 @@
package network
import (
"strings"
"time"
"github.com/prometheus/client_golang/prometheus"
)
@ -46,6 +49,7 @@ var (
Namespace: "neogo",
},
)
p2pCmds = make(map[CommandType]prometheus.Histogram)
)
func init() {
@ -56,6 +60,21 @@ func init() {
poolCount,
blockQueueLength,
)
for _, cmd := range []CommandType{CMDVersion, CMDVerack, CMDGetAddr,
CMDAddr, CMDPing, CMDPong, CMDGetHeaders, CMDHeaders, CMDGetBlocks,
CMDMempool, CMDInv, CMDGetData, CMDGetBlockByIndex, CMDNotFound,
CMDTX, CMDBlock, CMDExtensible, CMDP2PNotaryRequest, CMDGetMPTData,
CMDMPTData, CMDReject, CMDFilterLoad, CMDFilterAdd, CMDFilterClear,
CMDMerkleBlock, CMDAlert} {
p2pCmds[cmd] = prometheus.NewHistogram(
prometheus.HistogramOpts{
Help: "P2P " + cmd.String() + " handling time",
Name: "p2p_" + strings.ToLower(cmd.String()) + "_time",
Namespace: "neogo",
},
)
prometheus.MustRegister(p2pCmds[cmd])
}
}
func updateNetworkSizeMetric(sz int) {
@ -77,3 +96,10 @@ func setServerAndNodeVersions(nodeVer string, serverID string) {
servAndNodeVersion.WithLabelValues("Node version: ", nodeVer).Add(0)
servAndNodeVersion.WithLabelValues("Server id: ", serverID).Add(0)
}
func addCmdTimeMetric(cmd CommandType, t time.Duration) {
// Shouldn't happen, message decoder checks the type, but better safe than sorry.
if p2pCmds[cmd] == nil {
return
}
p2pCmds[cmd].Observe(t.Seconds())
}

3
pkg/network/server.go
View file

@ -1198,6 +1198,9 @@ func (s *Server) handleMessage(peer Peer, msg *Message) error {
zap.Stringer("addr", peer.RemoteAddr()),
zap.String("type", msg.Command.String()))
start := time.Now()
defer func() { addCmdTimeMetric(msg.Command, time.Since(start)) }()
if peer.Handshaked() {
if inv, ok := msg.Payload.(*payload.Inventory); ok {
if !inv.Type.Valid(s.chain.P2PSigExtensionsEnabled()) || len(inv.Hashes) == 0 {