</tr>

    <tr>
        <td>HeapAlloc</td>
        <td id="HeapAlloc">{{.HeapAlloc}} bytes</td>
        <td>Allocated heap objects.</td>
    </tr>

    <tr>
        <td>HeapSys</td>
        <td id="HeapSys">{{.HeapSys}} bytes</td>
        <td>Heap memory obtained from the OS.</td>
    </tr>

    <tr>
        <td>HeapIdle</td>
        <td id="HeapIdle">{{.HeapIdle}} bytes</td>

			}
		}
	}

	if st.Sys != st.HeapSys+st.StackSys+st.MSpanSys+st.MCacheSys+
		st.BuckHashSys+st.GCSys+st.OtherSys {
		t.Fatalf("Bad sys value: %+v", *st)
	}

	if st.HeapIdle+st.HeapInuse != st.HeapSys {
		t.Fatalf("HeapIdle(%d) + HeapInuse(%d) should be equal to HeapSys(%d), but isn't.", st.HeapIdle, st.HeapInuse, st.HeapSys)
	}

	//
	// HeapSys = bytes allocated from the OS for the heap - bytes ultimately used for non-heap purposes
	// HeapIdle = bytes allocated from the OS for the heap - bytes ultimately used for any purpose
	//
	// or
	//
	// HeapSys = sys - stacks_inuse - gcWorkBufInUse - gcProgPtrScalarBitsInUse
	// HeapIdle = sys - stacks_inuse - gcWorkBufInUse - gcProgPtrScalarBitsInUse - heapInUse
	//

	// because we turned the heap into swiss cheese.
	saved = append(saved, make([]byte, allocTotal/2))

	// heapBacked is an estimate of the amount of physical memory used by
	// this test. HeapSys is an estimate of the size of the mapped virtual
	// address space (which may or may not be backed by physical pages)
	// whereas HeapReleased is an estimate of the amount of bytes returned

	fmt.Fprintf(w, "# Lookups = %d\n", s.Lookups)
	fmt.Fprintf(w, "# Mallocs = %d\n", s.Mallocs)
	fmt.Fprintf(w, "# Frees = %d\n", s.Frees)

	fmt.Fprintf(w, "# HeapAlloc = %d\n", s.HeapAlloc)
	fmt.Fprintf(w, "# HeapSys = %d\n", s.HeapSys)
	fmt.Fprintf(w, "# HeapIdle = %d\n", s.HeapIdle)
	fmt.Fprintf(w, "# HeapInuse = %d\n", s.HeapInuse)
	fmt.Fprintf(w, "# HeapReleased = %d\n", s.HeapReleased)
	fmt.Fprintf(w, "# HeapObjects = %d\n", s.HeapObjects)

	// way too.
	dumpint(tagMemStats)
	dumpint(m.Alloc)
	dumpint(m.TotalAlloc)
	dumpint(m.Sys)
	dumpint(m.Lookups)
	dumpint(m.Mallocs)
	dumpint(m.Frees)
	dumpint(m.HeapAlloc)
	dumpint(m.HeapSys)
	dumpint(m.HeapIdle)
	dumpint(m.HeapInuse)
	dumpint(m.HeapReleased)
	dumpint(m.HeapObjects)
	dumpint(m.StackInuse)
	dumpint(m.StackSys)
	dumpint(m.MSpanInuse)
	dumpint(m.MSpanSys)

			// total mapped heap memory, except if there's an accounting bug.
			if live := samples[i].Value.Uint64(); live > mstats.HeapSys {
				t.Errorf("live bytes: %d > heap sys: %d", live, mstats.HeapSys)
			} else if live == 0 {
				// Might happen if we don't call runtime.GC() above.
				t.Error("live bytes is 0")
			}
		case "/gc/gomemlimit:bytes":

		{"MemStats.HeapAlloc", Field, 0},
		{"MemStats.HeapIdle", Field, 0},
		{"MemStats.HeapInuse", Field, 0},
		{"MemStats.HeapObjects", Field, 0},
		{"MemStats.HeapReleased", Field, 0},
		{"MemStats.HeapSys", Field, 0},
		{"MemStats.LastGC", Field, 0},
		{"MemStats.Lookups", Field, 0},
		{"MemStats.MCacheInuse", Field, 0},
		{"MemStats.MCacheSys", Field, 0},
		{"MemStats.MSpanInuse", Field, 0},