ceremonyclient/go-libp2p/p2p/net/connmgr/bench_test.go

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2023-08-21 03:50:38 +00:00
package connmgr
import (
"math/rand"
"sync"
"testing"
"github.com/libp2p/go-libp2p/core/network"
"github.com/stretchr/testify/require"
)
func randomConns(tb testing.TB) (c [5000]network.Conn) {
for i := range c {
c[i] = randConn(tb, nil)
}
return c
}
func BenchmarkLockContention(b *testing.B) {
conns := randomConns(b)
cm, err := NewConnManager(1000, 1000, WithGracePeriod(0))
require.NoError(b, err)
not := cm.Notifee()
kill := make(chan struct{})
var wg sync.WaitGroup
for i := 0; i < 16; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for {
select {
case <-kill:
return
default:
cm.TagPeer(conns[rand.Intn(len(conns))].RemotePeer(), "another-tag", 1)
}
}
}()
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
rc := conns[rand.Intn(len(conns))]
not.Connected(nil, rc)
cm.TagPeer(rc.RemotePeer(), "tag", 100)
cm.UntagPeer(rc.RemotePeer(), "tag")
not.Disconnected(nil, rc)
}
close(kill)
wg.Wait()
}