package profilerecord

type StackRecord struct {
	Stack []uintptr
}

type MemProfileRecord struct {
	AllocBytes, FreeBytes     int64
	AllocObjects, FreeObjects int64
	Stack                     []uintptr
}

func (r *MemProfileRecord) InUseBytes() int64   { return r.AllocBytes - r.FreeBytes }
func (r *MemProfileRecord) InUseObjects() int64 { return r.AllocObjects - r.FreeObjects }

type BlockProfileRecord struct {

			}
			hideRuntime = false // try again, and show all frames next time.
		}

		values[0], values[1] = scaleHeapSample(r.AllocObjects, r.AllocBytes, rate)
		values[2], values[3] = scaleHeapSample(r.InUseObjects(), r.InUseBytes(), rate)
		var blockSize int64
		if r.AllocObjects > 0 {
			blockSize = r.AllocBytes / r.AllocObjects
		}
		b.pbSample(values, locs, func() {
			if blockSize != 0 {
				b.pbLabel(tagSample_Label, "bytes", "", blockSize)

	a1, a2 := uintptr(addr1)+1, uintptr(addr2)+1
	rate := int64(512 * 1024)
	rec := []profilerecord.MemProfileRecord{
		{AllocBytes: 4096, FreeBytes: 1024, AllocObjects: 4, FreeObjects: 1, Stack: []uintptr{a1, a2}},
		{AllocBytes: 512 * 1024, FreeBytes: 0, AllocObjects: 1, FreeObjects: 0, Stack: []uintptr{a2 + 1, a2 + 2}},
		{AllocBytes: 512 * 1024, FreeBytes: 512 * 1024, AllocObjects: 1, FreeObjects: 1, Stack: []uintptr{a1 + 1, a1 + 2, a2 + 3}},
	}

	// other 4-column profiles where alloc != inuse.
	// The easiest way to avoid this bug is to adjust allocBytes so it's never == inuseBytes.
	// pprof doesn't use these header values anymore except for checking equality.
	inUseBytes := total.InUseBytes()
	allocBytes := total.AllocBytes
	if inUseBytes == allocBytes {
		allocBytes++
	}

	fmt.Fprintf(w, "heap profile: %d: %d [%d: %d] @ heap/%d\n",

			prof = prof[:n]
			break
		} else {
			prof = make([]runtime.MemProfileRecord, n+10)
		}
	}
	// See how much memory in tiny objects is profiled.
	var totalBytes int64
	for _, p := range prof {
		bytes := p.AllocBytes - p.FreeBytes
		nobj := p.AllocObjects - p.FreeObjects
		if nobj == 0 {
			// There may be a record that has had all of its objects
			// freed. That's fine. Avoid a divide-by-zero and skip.
			continue
		}

		prod := string(nat(nil).mulRange(r.a, r.b).utoa(10))
		if prod != r.prod {
			t.Errorf("#%d: got %s; want %s", i, prod, r.prod)
		}
	}
}

// allocBytes returns the number of bytes allocated by invoking f.
func allocBytes(f func()) uint64 {
	var stats runtime.MemStats
	runtime.ReadMemStats(&stats)
	t := stats.TotalAlloc
	f()
	runtime.ReadMemStats(&stats)
	return stats.TotalAlloc - t
}

type MemProfileRecord struct {
	AllocBytes, FreeBytes     int64       // number of bytes allocated, freed
	AllocObjects, FreeObjects int64       // number of objects allocated, freed
	Stack0                    [32]uintptr // stack trace for this record; ends at first 0 entry
}

// InUseBytes returns the number of bytes in use (AllocBytes - FreeBytes).

		line := 0
		for {
			frame, more := frames.Next()
			name := frame.Function
			if line == 0 {
				line = frame.Line
			}
			if name == function {
				allocStat := a[line]
				allocStat.bytes += r.AllocBytes
				allocStat.objects += r.AllocObjects
				a[line] = allocStat
			}
			if !more {
				break
			}
		}
	}
	for line, stats := range a {

		{"Gosched", Func, 0},
		{"KeepAlive", Func, 7},
		{"LockOSThread", Func, 0},
		{"MemProfile", Func, 0},
		{"MemProfileRate", Var, 0},
		{"MemProfileRecord", Type, 0},
		{"MemProfileRecord.AllocBytes", Field, 0},
		{"MemProfileRecord.AllocObjects", Field, 0},
		{"MemProfileRecord.FreeBytes", Field, 0},
		{"MemProfileRecord.FreeObjects", Field, 0},
		{"MemProfileRecord.Stack0", Field, 0},

pkg runtime, type Error interface, Error() string
pkg runtime, type Error interface, RuntimeError()
pkg runtime, type Func struct
pkg runtime, type MemProfileRecord struct
pkg runtime, type MemProfileRecord struct, AllocBytes int64
pkg runtime, type MemProfileRecord struct, AllocObjects int64
pkg runtime, type MemProfileRecord struct, FreeBytes int64
pkg runtime, type MemProfileRecord struct, FreeObjects int64