<a title="{{.Help.show_from}}" id="action-showfrom" href="?">Show from</a>
  </div>
  {{template "script" .}}
  {{template "stacks_js"}}
  <script>
    pprofUnitDefs = {{.UnitDefs}};
    stackViewer({{.Stacks}}, {{.Nodes}});
  </script>
</body>

// stackViewer displays a flame-graph like view (extended to show callers).
//   stacks - report.StackSet
//   nodes  - List of names for each source in report.StackSet
function stackViewer(stacks, nodes) {
  'use strict';

  // Constants used in rendering.
  const ROW = 20;
  const PADDING = 2;
  const MIN_WIDTH = 4;
  const MIN_TEXT_WIDTH = 16;
  const TEXT_MARGIN = 2;
  const FONT_SIZE = 12;
  const MIN_FONT_SIZE = 8;

  // Fields