go/src/net/http/pprof/pprof_test.go

// TestDescriptions checks that the profile names under runtime/pprof package
// have a key in the description map.
func TestDescriptions(t *testing.T) { … }

func TestHandlers(t *testing.T) { … }

var Sink …

func mutexHog1(mu1, mu2 *sync.Mutex, start time.Time, dt time.Duration) { … }

// mutexHog2 is almost identical to mutexHog but we keep them separate
// in order to distinguish them with function names in the stack trace.
// We make them slightly different, using Sink, because otherwise
// gccgo -c opt will merge them.
func mutexHog2(mu1, mu2 *sync.Mutex, start time.Time, dt time.Duration) { … }

// mutexHog starts multiple goroutines that runs the given hogger function for the specified duration.
// The hogger function will be given two mutexes to lock & unlock.
func mutexHog(duration time.Duration, hogger func(mu1, mu2 *sync.Mutex, start time.Time, dt time.Duration)) { … }

func TestDeltaProfile(t *testing.T) { … }

var srv …

func query(endpoint string) (*profile.Profile, error) { … }

// seen returns true if the profile includes samples whose stacks include
// the specified function name (fname).
func seen(p *profile.Profile, fname string) bool { … }

// TestDeltaProfileEmptyBase validates that we still receive a valid delta
// profile even if the base contains no samples.
//
// Regression test for https://go.dev/issue/64566.
func TestDeltaProfileEmptyBase(t *testing.T) { … }