env GO111MODULE=off

# Issue 23150

[short] skip

go test -o=$WORK/x.test -cpuprofile=$WORK/cpu_profile_twice.out x
rm $WORK/cpu_profile_twice.out

go test -o=$WORK/x.test -cpuprofile=$WORK/cpu_profile_twice.out x
exists $WORK/cpu_profile_twice.out


-- x/x_test.go --
package x_test
import (
    "testing"
    "time"
)
func TestSleep(t *testing.T) {
    time.Sleep(10 * time.Millisecond)

stderr '^cannot use -coverprofile flag with -fuzz flag$'

! go test -fuzz=FuzzTrivial -blockprofile=prof
! stdout .
stderr '^cannot use -blockprofile flag with -fuzz flag$'

! go test -fuzz=FuzzTrivial -cpuprofile=prof
! stdout .
stderr '^cannot use -cpuprofile flag with -fuzz flag$'

! go test -fuzz=FuzzTrivial -memprofile=prof
! stdout .
stderr '^cannot use -memprofile flag with -fuzz flag$'

! go test -fuzz=FuzzTrivial -mutexprofile=prof

[compiler:gccgo] skip 'gccgo has no standard packages'
[short] skip

# Check go test -cpuprofile creates errors.test
go test -cpuprofile errors.prof errors
exists -exec errors.test$GOEXE

# Check go test -cpuprofile -o myerrors.test creates errors.test
go test -cpuprofile errors.prof -o myerrors.test$GOEXE errors
exists -exec myerrors.test$GOEXE

# Check go test -mutexprofile creates errors.test
go test -mutexprofile errors.prof errors

// or the handlers in the [net/http/pprof] package,
// or the [testing] package's -test.cpuprofile flag instead.
func CPUProfile() []byte {
	panic("CPUProfile no longer available")
}

// runtime/pprof.runtime_cyclesPerSecond should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:

	memProfile     = flag.String("test.memprofile", "", "write a memory profile to the named file after execution")
	memProfileRate = flag.Int("test.memprofilerate", 0, "if >=0, sets runtime.MemProfileRate")
	cpuProfile     = flag.String("test.cpuprofile", "", "write a cpu profile to the named file during execution")
	timeout        = flag.Duration("test.timeout", 0, "if positive, sets an aggregate time limit for all tests")

// WARNING: Please avoid updating this file. If this file needs to be updated,
// then a new inline_hot.pprof file should be generated:
//
//  $ cd $GOROOT/src/cmd/compile/internal/test/testdata/pgo/inline/
//  $ go test -bench=. -cpuprofile ./inline_hot.pprof
package main

import "testing"

func BenchmarkA(b *testing.B) {
	benchmarkB(b)
}
func benchmarkB(b *testing.B) {

	for i := 0; true; {
		A()
		i = i + 1
		if i >= b.N {

	"benchtime":            true,
	"blockprofile":         true,
	"blockprofilerate":     true,
	"count":                true,
	"coverprofile":         true,
	"cpu":                  true,
	"cpuprofile":           true,
	"failfast":             true,
	"fullpath":             true,
	"fuzz":                 true,
	"fuzzminimizetime":     true,
	"fuzztime":             true,
	"list":                 true,

# Tests issue 19394

[short] skip

! go test -cpuprofile cpu.pprof -memprofile mem.pprof -timeout 1ms
stdout '^panic: test timed out'
grep . cpu.pprof
grep . mem.pprof

-- go.mod --
module profiling

go 1.16
-- timeout_test.go --
package timeouttest_test

import (
	"testing"
	"time"
)

func TestSleep(t *testing.T) {
	for {
		time.Sleep(1 * time.Second)
	}

# the profile at cmd/compile/default.pgo.

dir=$(mktemp -d)
cd $dir
seed=$(date)

for p in $(go list std cmd); do
	h=$(echo $seed $p | md5sum | cut -d ' ' -f 1)
	echo $p $h
	go build -o /dev/null -gcflags=-cpuprofile=$PWD/prof.$h $p
done

go tool pprof -proto prof.* > $(go env GOROOT)/src/cmd/compile/default.pgo

	flagPruneWeakMap  = flag.Bool("pruneweakmap", true, "prune weak mapinit refs")
	flagRandLayout    = flag.Int64("randlayout", 0, "randomize function layout")
	cpuprofile        = flag.String("cpuprofile", "", "write cpu profile to `file`")
	memprofile        = flag.String("memprofile", "", "write memory profile to `file`")
	memprofilerate    = flag.Int64("memprofilerate", 0, "set runtime.MemProfileRate to `rate`")