Removed qperf
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7f77e5e6b4
commit
c97f406246
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@ -4,7 +4,6 @@ key2ds \
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axfr \
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reflect \
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q \
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qperf \
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funkensturm \
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@ -1,8 +0,0 @@
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# Copyright 2009 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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include $(GOROOT)/src/Make.inc
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TARG=qperf
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GOFILES=qperf.go
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DEPS=../../
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include $(GOROOT)/src/Make.cmd
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@ -1,101 +0,0 @@
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package main
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import (
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"dns"
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"flag"
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"fmt"
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"log"
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"os"
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"os/signal"
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"runtime"
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"runtime/pprof"
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"time"
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)
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func main() {
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queries := flag.Int("queries", 20, "number of concurrent queries to perform")
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maxproc := flag.Int("maxproc", 4, "set GOMAXPROCS to this value")
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looptime := flag.Int("time", 2, "number of seconds to query")
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reflect := flag.Bool("reflect", false, "enable reflection")
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tcp := flag.Bool("tcp", false, "use tcp")
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nameserver := flag.String("ns", "127.0.0.1:53", "the nameserver to query")
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cpuprofile := flag.String("cpuprofile", "", "write cpu profile to file")
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qname := flag.String("qname", "miek.nl", "which qname to use")
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flag.Usage = func() {
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flag.PrintDefaults()
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}
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queries_send := int64(0)
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qid := uint16(1)
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qtype := dns.TypeMX
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qclass := uint16(dns.ClassINET) // Default qclass
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flag.Parse()
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if *cpuprofile != "" {
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f, err := os.Create(*cpuprofile)
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if err != nil {
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log.Fatal(err)
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}
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pprof.StartCPUProfile(f)
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defer pprof.StopCPUProfile()
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}
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runtime.GOMAXPROCS(*maxproc)
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start := time.Nanoseconds()
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fmt.Printf("Starting %d query functions. GOMAXPROCS set to %d. *reflection set to %v* [tcp = %v]\n", *queries, *maxproc, *reflect, *tcp)
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fmt.Printf("Querying %s\n", *nameserver)
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for i := 0; i < *queries; i++ {
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go func() {
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pktbuf := make([]byte, dns.DefaultMsgSize)
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m := new(dns.Msg)
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m.Question = make([]dns.Question, 1)
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m.Question[0] = dns.Question{*qname, qtype, qclass}
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qbuf, _ := m.Pack()
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c := dns.NewClient()
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if *tcp {
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c.Net = "tcp"
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}
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/*
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if !*tcp {
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// For UDP give each goroutine a socket.
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// With TCP we re-dial every time
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if err := c.Dial(*nameserver); err != nil {
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return
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}
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defer c.Close()
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}
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*/
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r := new(dns.Msg)
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for {
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// set Id
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dns.RawSetId(qbuf, 0, qid)
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n, err := c.ExchangeBuffer(qbuf, *nameserver, pktbuf)
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if err != nil {
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log.Print(err)
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break // something went wrong
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}
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if *reflect {
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r.Unpack(pktbuf[:n])
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// println(r.String())
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}
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queries_send++
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qid++
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}
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}()
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}
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t := time.NewTicker(int64(*looptime) * 1e9)
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wait:
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for {
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select {
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case <-signal.Incoming:
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log.Printf("Signal received, stopping")
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break wait
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case <-t.C:
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break wait
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}
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}
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delta := float32(time.Nanoseconds()-start) / 1e9
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fmt.Printf("%d queries in %.4f s (%.4f qps)\n", queries_send, delta, float32(queries_send)/delta)
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}
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