You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
186 lines
4.5 KiB
186 lines
4.5 KiB
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/go-kit/kit/log/term"
|
|
|
|
cmn "github.com/tendermint/tendermint/libs/common"
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
tmrpc "github.com/tendermint/tendermint/rpc/client"
|
|
)
|
|
|
|
var logger = log.NewNopLogger()
|
|
|
|
func main() {
|
|
var durationInt, txsRate, connections, txSize int
|
|
var verbose bool
|
|
var outputFormat, broadcastTxMethod string
|
|
|
|
flagSet := flag.NewFlagSet("tm-bench", flag.ExitOnError)
|
|
flagSet.IntVar(&connections, "c", 1, "Connections to keep open per endpoint")
|
|
flagSet.IntVar(&durationInt, "T", 10, "Exit after the specified amount of time in seconds")
|
|
flagSet.IntVar(&txsRate, "r", 1000, "Txs per second to send in a connection")
|
|
flagSet.IntVar(&txSize, "s", 250, "The size of a transaction in bytes, must be greater than or equal to 40.")
|
|
flagSet.StringVar(&outputFormat, "output-format", "plain", "Output format: plain or json")
|
|
flagSet.StringVar(&broadcastTxMethod, "broadcast-tx-method", "async", "Broadcast method: async (no guarantees; fastest), sync (ensures tx is checked) or commit (ensures tx is checked and committed; slowest)")
|
|
flagSet.BoolVar(&verbose, "v", false, "Verbose output")
|
|
|
|
flagSet.Usage = func() {
|
|
fmt.Println(`Tendermint blockchain benchmarking tool.
|
|
|
|
Usage:
|
|
tm-bench [-c 1] [-T 10] [-r 1000] [-s 250] [endpoints] [-output-format <plain|json> [-broadcast-tx-method <async|sync|commit>]]
|
|
|
|
Examples:
|
|
tm-bench localhost:26657`)
|
|
fmt.Println("Flags:")
|
|
flagSet.PrintDefaults()
|
|
}
|
|
|
|
flagSet.Parse(os.Args[1:])
|
|
|
|
if flagSet.NArg() == 0 {
|
|
flagSet.Usage()
|
|
os.Exit(1)
|
|
}
|
|
|
|
if verbose {
|
|
if outputFormat == "json" {
|
|
printErrorAndExit("Verbose mode not supported with json output.")
|
|
}
|
|
// Color errors red
|
|
colorFn := func(keyvals ...interface{}) term.FgBgColor {
|
|
for i := 1; i < len(keyvals); i += 2 {
|
|
if _, ok := keyvals[i].(error); ok {
|
|
return term.FgBgColor{Fg: term.White, Bg: term.Red}
|
|
}
|
|
}
|
|
return term.FgBgColor{}
|
|
}
|
|
logger = log.NewTMLoggerWithColorFn(log.NewSyncWriter(os.Stdout), colorFn)
|
|
|
|
fmt.Printf("Running %ds test @ %s\n", durationInt, flagSet.Arg(0))
|
|
}
|
|
|
|
if txSize < 40 {
|
|
printErrorAndExit("The size of a transaction must be greater than or equal to 40.")
|
|
}
|
|
|
|
if broadcastTxMethod != "async" &&
|
|
broadcastTxMethod != "sync" &&
|
|
broadcastTxMethod != "commit" {
|
|
printErrorAndExit("broadcast-tx-method should be either 'sync', 'async' or 'commit'.")
|
|
}
|
|
|
|
var (
|
|
endpoints = strings.Split(flagSet.Arg(0), ",")
|
|
client = tmrpc.NewHTTP(endpoints[0], "/websocket")
|
|
initialHeight = latestBlockHeight(client)
|
|
)
|
|
logger.Info("Latest block height", "h", initialHeight)
|
|
|
|
transacters := startTransacters(
|
|
endpoints,
|
|
connections,
|
|
txsRate,
|
|
txSize,
|
|
"broadcast_tx_"+broadcastTxMethod,
|
|
)
|
|
|
|
// Stop upon receiving SIGTERM or CTRL-C.
|
|
cmn.TrapSignal(logger, func() {
|
|
for _, t := range transacters {
|
|
t.Stop()
|
|
}
|
|
})
|
|
|
|
// Wait until transacters have begun until we get the start time.
|
|
timeStart := time.Now()
|
|
logger.Info("Time last transacter started", "t", timeStart)
|
|
|
|
duration := time.Duration(durationInt) * time.Second
|
|
|
|
timeEnd := timeStart.Add(duration)
|
|
logger.Info("End time for calculation", "t", timeEnd)
|
|
|
|
<-time.After(duration)
|
|
for i, t := range transacters {
|
|
t.Stop()
|
|
numCrashes := countCrashes(t.connsBroken)
|
|
if numCrashes != 0 {
|
|
fmt.Printf("%d connections crashed on transacter #%d\n", numCrashes, i)
|
|
}
|
|
}
|
|
|
|
logger.Debug("Time all transacters stopped", "t", time.Now())
|
|
|
|
stats, err := calculateStatistics(
|
|
client,
|
|
initialHeight,
|
|
timeStart,
|
|
durationInt,
|
|
)
|
|
if err != nil {
|
|
printErrorAndExit(err.Error())
|
|
}
|
|
|
|
printStatistics(stats, outputFormat)
|
|
}
|
|
|
|
func latestBlockHeight(client tmrpc.Client) int64 {
|
|
status, err := client.Status()
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(1)
|
|
}
|
|
return status.SyncInfo.LatestBlockHeight
|
|
}
|
|
|
|
func countCrashes(crashes []bool) int {
|
|
count := 0
|
|
for i := 0; i < len(crashes); i++ {
|
|
if crashes[i] {
|
|
count++
|
|
}
|
|
}
|
|
return count
|
|
}
|
|
|
|
func startTransacters(
|
|
endpoints []string,
|
|
connections,
|
|
txsRate int,
|
|
txSize int,
|
|
broadcastTxMethod string,
|
|
) []*transacter {
|
|
transacters := make([]*transacter, len(endpoints))
|
|
|
|
wg := sync.WaitGroup{}
|
|
wg.Add(len(endpoints))
|
|
for i, e := range endpoints {
|
|
t := newTransacter(e, connections, txsRate, txSize, broadcastTxMethod)
|
|
t.SetLogger(logger)
|
|
go func(i int) {
|
|
defer wg.Done()
|
|
if err := t.Start(); err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(1)
|
|
}
|
|
transacters[i] = t
|
|
}(i)
|
|
}
|
|
wg.Wait()
|
|
|
|
return transacters
|
|
}
|
|
|
|
func printErrorAndExit(err string) {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(1)
|
|
}
|