# Test that -benchtime 1x only runs a total of 1 loop iteration.
# See golang.org/issue/32051.

go test -run ^$ -bench . -benchtime 1x

-- go.mod --
module bench

go 1.16
-- x_test.go --
package bench

import (
	"fmt"
	"os"
	"testing"
)

var called = false

func TestMain(m *testing.M) {
	m.Run()
	if !called {
		fmt.Println("benchmark never called")
		os.Exit(1)
	}
}

go test testcache -run=ExternalFile
stdout '\(cached\)'

# The -benchtime flag without -bench should not affect caching.
go test testcache -run=Benchtime -benchtime=1x
go test testcache -run=Benchtime -benchtime=1x
stdout '\(cached\)'

go test testcache -run=Benchtime -bench=Benchtime -benchtime=1x
go test testcache -run=Benchtime -bench=Benchtime -benchtime=1x
! stdout '\(cached\)'

./hack/install-etcd.sh

# Run the benchmark tests and pretty-print the results into a separate file.
# Log output of the tests go to stderr.
make test-integration WHAT="$*" KUBE_TEST_ARGS="-run='XXX' -bench=${TEST_PREFIX:-.} -benchtime=${BENCHTIME:-1s} -benchmem  -data-items-dir=${ARTIFACTS}" \
  | (go run test/integration/benchmark/extractlog/main.go) \
  | tee \
   >(prettybench -no-passthrough > "${ARTIFACTS}/BenchmarkResults.txt") \

			runtime.GOMAXPROCS(procs)
			b := &B{
				common: common{
					signal: make(chan any),
				},
				benchmark: Benchmark,
			}
			benchName := Benchmark.Name
			if procs != 1 {
				benchName = fmt.Sprintf("%s-%d", Benchmark.Name, procs)
			}
			fmt.Printf("%s\t", benchName)
			r := b.run()
			if b.failed {
				// The output could be very long here, but probably isn't.

env GO111MODULE=off

# GOFLAGS sets flags for commands

env GOFLAGS='-e -f={{.Dir}} --test.benchtime=1s -count=10'
go list asdfasdfasdf  # succeeds because of -e
go list runtime
stdout '[\\/]runtime$'

env GOFLAGS=-race OLDGOARCH=$GOARCH OLDGOOS=$GOOS GOARCH=386 GOOS=linux
! go list runtime
stderr 'race is not supported on linux/386'

env GOARCH=$OLDGOARCH GOOS=$OLDGOOS

# go env succeeds even though -f={{.Dir}} is inappropriate
go env

package test

// passFlagToTest contains the flags that should be forwarded to
// the test binary with the prefix "test.".
var passFlagToTest = map[string]bool{
	"bench":                true,
	"benchmem":             true,
	"benchtime":            true,
	"blockprofile":         true,
	"blockprofilerate":     true,
	"count":                true,
	"coverprofile":         true,
	"cpu":                  true,
	"cpuprofile":           true,

		parallel	= flag.Int("test.parallel", runtime.GOMAXPROCS(0), "maximum test parallelism")
	
		cpuList	[]int
	)

	// 
	var benchTime = flag.Duration("test.benchtime", 1*time.Second, "approximate run time for each benchmark")

	// 
	var matchBenchmarks = flag.String("test.bench", "", "regular expression to select benchmarks to run")

	// 
	var timer *time.Timer

		fmt.Println(index, " : update time : ", elapsed, "commit time : ", elapsed2,
			"\n1000 Get time : ", elapsed3,
			"\nRAM : ", m.Sys/1024/1024, " MiB")
	}
}

// go test -run=xxx -bench=. -benchmem -test.benchtime=20s
func BenchmarkCacheHeightLimit(b *testing.B) {
	smt := newSMT(hasher, cache.NewTTL(forever, time.Minute), time.Minute)
	benchmark10MAccounts10Ktps(smt, b)

	Family    uint16
	Pad_cgo_0 [2]byte
	Flags     int32
	Len       int32
	Pad_cgo_1 [4]byte
	Lifcu     [8]byte
}

type lifIfinfoReq struct {
	Maxhops      uint8
	Pad_cgo_0    [3]byte
	Reachtime    uint32
	Reachretrans uint32
	Maxmtu       uint32