continue
					}
					if name == "sample_index" {
						// Error check sample_index=xxx to ensure xxx is a valid sample type.
						index, err := p.SampleIndexByName(value)
						if err != nil {
							o.UI.PrintErr(err)
							continue
						}
						if index < 0 || index >= len(p.SampleType) {
							o.UI.PrintErr(fmt.Errorf("invalid sample_index %q", value))
							continue
						}

	"   -inuse_space           Same as -sample_index=inuse_space\n" +
	"   -inuse_objects         Same as -sample_index=inuse_objects\n" +
	"   -alloc_space           Same as -sample_index=alloc_space\n" +
	"   -alloc_objects         Same as -sample_index=alloc_objects\n" +
	"   -total_delay           Same as -sample_index=delay\n" +
	"   -contentions           Same as -sample_index=contentions\n" +

		}
		return i, nil
	}

	// Remove the inuse_ prefix to support legacy pprof options
	// "inuse_space" and "inuse_objects" for profiles containing types
	// "space" and "objects".
	noInuse := strings.TrimPrefix(sampleIndex, "inuse_")
	for i, t := range p.SampleType {
		if t.Type == sampleIndex || t.Type == noInuse {
			return i, nil
		}
	}

func init() {
	// Config names for fields that are not saved in settings and therefore
	// do not have a JSON name.
	notSaved := map[string]string{
		// Not saved in settings, but present in URLs.
		"SampleIndex": "sample_index",

		// Following fields are also not placed in URLs.
		"Output":     "output",
		"SourcePath": "source_path",
		"TrimPath":   "trim_path",
		"DivideBy":   "divide_by",
	}

		"For memory profiles, report average memory per allocation.",
		"For time-based profiles, report average time per event."),
	"sample_index": helpText(
		"Sample value to report (0-based index or name)",
		"Profiles contain multiple values per sample.",
		"Use sample_index=i to select the ith value (starting at 0)."),
	"normalize": helpText(
		"Scales profile based on the base profile."),

	// Data sorting criteria

// and the type/units of those values.
func sampleFormat(p *profile.Profile, sampleIndex string, mean bool) (value, meanDiv sampleValueFunc, v *profile.ValueType, err error) {
	if len(p.SampleType) == 0 {
		return nil, nil, nil, fmt.Errorf("profile has no samples")
	}
	index, err := p.SampleIndexByName(sampleIndex)
	if err != nil {
		return nil, nil, nil, err
	}
	value = valueExtractor(index)
	if mean {

		actual := LastIndexByte(test.s, test.sep[0])
		if actual != test.out {
			t.Errorf("LastIndexByte(%q,%c) = %v; want %v", test.s, test.sep[0], actual, test.out)
		}
	}
}

func simpleIndex(s, sep string) int {
	n := len(sep)
	for i := n; i <= len(s); i++ {
		if s[i-n:i] == sep {
			return i - n
		}
	}
	return -1
}

func TestIndexRandom(t *testing.T) {

countLess.push(sampleIndex);while(sampleIndex<samples.length&&samples[sampleIndex]<=location){sampleIndex+=1;}