go/src/runtime/pprof/proto_test.go

// translateCPUProfile parses binary CPU profiling stack trace data
// generated by runtime.CPUProfile() into a profile struct.
// This is only used for testing. Real conversions stream the
// data into the profileBuilder as it becomes available.
//
// count is the number of records in data.
func translateCPUProfile(data []uint64, count int) (*profile.Profile, error) { … }

// fmtJSON returns a pretty-printed JSON form for x.
// It works reasonably well for printing protocol-buffer
// data structures like profile.Profile.
func fmtJSON(x any) string { … }

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

func f1() { … }

func f2() { … }

// testPCs returns two PCs and two corresponding memory mappings
// to use in test profiles.
func testPCs(t *testing.T) (addr1, addr2 uint64, map1, map2 *profile.Mapping) { … }

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

func checkProfile(t *testing.T, p *profile.Profile, period int64, periodType *profile.ValueType, sampleType []*profile.ValueType, samples []*profile.Sample, defaultSampleType string) { … }

var profSelfMapsTests …

var profSelfMapsTestsWithDeleted …

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

// TestMapping checks the mapping section of CPU profiles
// has the HasFunctions field set correctly. If all PCs included
// in the samples are successfully symbolized, the corresponding
// mapping entry (in this test case, only one entry) should have
// its HasFunctions field set true.
// The test generates a CPU profile that includes PCs from C side
// that the runtime can't symbolize. See ./testdata/mappingtest.
func TestMapping(t *testing.T) { … }

func symbolized(loc *profile.Location) bool { … }

// TestFakeMapping tests if at least one mapping exists
// (including a fake mapping), and their HasFunctions bits
// are set correctly.
func TestFakeMapping(t *testing.T) { … }

// Make sure the profiler can handle an empty stack trace.
// See issue 37967.
func TestEmptyStack(t *testing.T) { … }