Add Function based profile tree

runtime/observatory/lib/src/elements/code_view.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library code_view_element;
 
 import 'dart:html';
 import 'observatory_element.dart';
+import 'package:observatory/app.dart';
 import 'package:observatory/service.dart';
+import 'package:observatory/cpu_profile.dart';
 import 'package:polymer/polymer.dart';
 
+class DisassemblyTable extends SortedTable {
+  DisassemblyTable(columns) : super(columns);
+}
+
+class InlineTable extends SortedTable {
+  InlineTable(columns) : super(columns);
+}
+
 @CustomTag('code-view')
 class CodeViewElement extends ObservatoryElement {
-  @published Code code;
-  CodeViewElement.created() : super.created();
+  @observable Code code;
+  ProfileCode get profile => code == null ? null : code.profile;
+  DisassemblyTable disassemblyTable;
+  InlineTable inlineTable;
+
+  CodeViewElement.created() : super.created() {
+    // Create table models.
+    var columns = [
+        new SortedTableColumn('Address'),
+        new SortedTableColumn('Inclusive'),
+        new SortedTableColumn('Exclusive'),
+        new SortedTableColumn('Disassembly'),
+    ];
+    disassemblyTable = new DisassemblyTable(columns);
+    columns = [
+        new SortedTableColumn('Address'),
+        new SortedTableColumn('Inclusive'),
+        new SortedTableColumn('Exclusive'),
+        new SortedTableColumn('Functions'),
+    ];
+    inlineTable = new InlineTable(columns);
+  }
 
   @override
   void attached() {
     super.attached();
+  }
+
+  void codeChanged(oldValue) {
     if (code == null) {
       return;
     }
     code.load().then((Code c) {
       c.loadScript();
     });
+    _updateDisassembly();
+    _updateInline();
   }
 
   void refresh(var done) {
     code.reload().whenComplete(done);
   }
 
+  void refreshTicks(var done) {
+    var isolate = code.isolate;
+    isolate.invokeRpc('getCpuProfile', { 'tags': 'None' })
+      .then((ServiceMap response) {
+        var cpuProfile = new CpuProfile();
+        cpuProfile.load(isolate, response);
+        _updateDisassembly();
+        _updateInline();
+      }).whenComplete(done);
+  }
+
+  String formattedAddress(CodeInstruction instruction) {
+    if (instruction.address == 0) {
+      return '';
+    }
+    return '0x${instruction.address.toRadixString(16)}';
+  }
+
+  String formattedAddressRange(CodeInlineInterval interval) {
+    String start = interval.start.toRadixString(16);
+    String end = interval.end.toRadixString(16);
+    return '[0x$start, 0x$end)';
+  }
+
+  String formattedInclusiveInterval(CodeInlineInterval interval) {
+    if (code == null) {
+      return '';
+    }
+    if (code.profile == null) {
+      return '';
+    }
+    var intervalTick = code.profile.intervalTicks[interval.start];
+    if (intervalTick == null) {
+      return '';
+    }
+    // Don't show inclusive ticks if they are the same as exclusive ticks.
+    if (intervalTick.inclusiveTicks == intervalTick.exclusiveTicks) {
+      return '';
+    }
+    var pcent = Utils.formatPercent(intervalTick.inclusiveTicks,
+                                    code.profile.profile.sampleCount);
+    return '$pcent (${intervalTick.inclusiveTicks})';
+  }
+
+  String formattedExclusiveInterval(CodeInlineInterval interval) {
+    if (code == null) {
+      return '';
+    }
+    if (code.profile == null) {
+      return '';
+    }
+    var intervalTick = code.profile.intervalTicks[interval.start];
+    if (intervalTick == null) {
+      return '';
+    }
+    var pcent = Utils.formatPercent(intervalTick.exclusiveTicks,
+                                    code.profile.profile.sampleCount);
+    return '$pcent (${intervalTick.exclusiveTicks})';
+  }
+
+
+  String formattedInclusive(CodeInstruction instruction) {
+    if (code == null) {
+      return '';
+    }
+    if (code.profile == null) {
+      return '';
+    }
+    var tick = code.profile.addressTicks[instruction.address];
+    if (tick == null) {
+      return '';
+    }
+    // Don't show inclusive ticks if they are the same as exclusive ticks.
+    if (tick.inclusiveTicks == tick.exclusiveTicks) {
+      return '';
+    }
+    var pcent = Utils.formatPercent(tick.inclusiveTicks,
+                                    code.profile.profile.sampleCount);
+    return '$pcent (${tick.inclusiveTicks})';
+  }
+
+  String formattedExclusive(CodeInstruction instruction) {
+    if (code == null) {
+      return '';
+    }
+    if (code.profile == null) {
+      return '';
+    }
+    var tick = code.profile.addressTicks[instruction.address];
+    if (tick == null) {
+      return '';
+    }
+    var pcent = Utils.formatPercent(tick.exclusiveTicks,
+                                    code.profile.profile.sampleCount);
+    return '$pcent (${tick.exclusiveTicks})';
+  }
+
+  void _updateDiasssemblyTable() {
+    disassemblyTable.clearRows();
+    if (code == null) {
+      return;
+    }
+    for (CodeInstruction instruction in code.instructions) {
+      var row = [formattedAddress(instruction),
+                 formattedInclusive(instruction),
+                 formattedExclusive(instruction),
+                 instruction.human];
+      disassemblyTable.addRow(new SortedTableRow(row));
+    }
+  }
+
+  void _addDisassemblyDOMRow() {
+    var tableBody = $['disassemblyTableBody'];
+    assert(tableBody != null);
+    var tr = new TableRowElement();
+
+    var cell;
+
+    // Add new space.
+    cell = tr.insertCell(-1);
+    cell.classes.add('monospace');
+    cell = tr.insertCell(-1);
+    cell.classes.add('monospace');
+    cell = tr.insertCell(-1);
+    cell.classes.add('monospace');
+    cell = tr.insertCell(-1);
+    cell.classes.add('monospace');
+
+    tableBody.children.add(tr);
+  }
+
+  void _fillDisassemblyDOMRow(TableRowElement tr, int rowIndex) {
+    var row = disassemblyTable.rows[rowIndex];
+    for (var i = 0; i < row.values.length; i++) {
+      var cell = tr.children[i];
+      cell.title = row.values[i].toString();
+      cell.text = row.values[i].toString();
+    }
+  }
+
+  void _updateDisassemblyDOMTable() {
+    var tableBody = $['disassemblyTableBody'];
+    assert(tableBody != null);
+    // Resize DOM table.
+    if (tableBody.children.length > disassemblyTable.sortedRows.length) {
+      // Shrink the table.
+      var deadRows =
+      tableBody.children.length - disassemblyTable.sortedRows.length;
+      for (var i = 0; i < deadRows; i++) {
+        tableBody.children.removeLast();
+      }
+    } else if (tableBody.children.length < disassemblyTable.sortedRows.length) {
+      // Grow table.
+      var newRows =
+          disassemblyTable.sortedRows.length - tableBody.children.length;
+      for (var i = 0; i < newRows; i++) {
+        _addDisassemblyDOMRow();
+      }
+    }
+
+    assert(tableBody.children.length == disassemblyTable.sortedRows.length);
+    // Fill table.
+    for (var i = 0; i < disassemblyTable.sortedRows.length; i++) {
+      var rowIndex = disassemblyTable.sortedRows[i];
+      var tr = tableBody.children[i];
+      _fillDisassemblyDOMRow(tr, rowIndex);
+    }
+  }
+
+  void _updateDisassembly() {
+    notifyPropertyChange(#code, true, false);
+    _updateDiasssemblyTable();
+    _updateDisassemblyDOMTable();
+  }
+
+  void _updateInlineTable() {
+    inlineTable.clearRows();
+    if (code == null) {
+      return;
+    }
+    for (CodeInlineInterval interval in code.inlineIntervals) {
+      var row = [interval,
+                 formattedInclusiveInterval(interval),
+                 formattedExclusiveInterval(interval),
+                 interval.functions];
+      inlineTable.addRow(new SortedTableRow(row));
+    }
+  }
+
+  void _addInlineDOMRow() {
+    var tableBody = shadowRoot.querySelector('#inlineRangeTableBody');
+    assert(tableBody != null);
+    var tr = new TableRowElement();
+
+    var cell;
+
+    // Add new space.
+    cell = tr.insertCell(-1);
+    cell.classes.add('monospace');
+    cell = tr.insertCell(-1);
+    cell.classes.add('monospace');
+    cell = tr.insertCell(-1);
+    cell.classes.add('monospace');
+    cell = tr.insertCell(-1);
+
+    tableBody.children.add(tr);
+  }
+
+  void _fillInlineDOMRow(TableRowElement tr, int rowIndex) {
+    var row = inlineTable.rows[rowIndex];
+    var columns = row.values.length;
+    var addressRangeColumn = 0;
+    var functionsColumn = columns - 1;
+
+    {
+      var addressRangeCell = tr.children[addressRangeColumn];
+      var interval = row.values[addressRangeColumn];
+      var addressRangeString = formattedAddressRange(interval);
+      var addressRangeElement = new SpanElement();
+      addressRangeElement.classes.add('monospace');
+      addressRangeElement.text = addressRangeString;
+      addressRangeCell.children.clear();
+      addressRangeCell.children.add(addressRangeElement);
+    }
+
+    for (var i = addressRangeColumn + 1; i < columns - 1; i++) {
+      var cell = tr.children[i];
+      cell.title = row.values[i].toString();
+      cell.text = row.values[i].toString();
+    }
+    var functions = row.values[functionsColumn];
+    var functionsCell = tr.children[functionsColumn];
+    functionsCell.children.clear();
+    for (var func in functions) {
+      var functionRef = new Element.tag('function-ref');
+      functionRef.ref = func;
+      functionsCell.children.add(functionRef);
+      var gap = new SpanElement();
+      gap.style.minWidth = '1em';
+      gap.text = ' ';
+      functionsCell.children.add(gap);
+    }
+  }
+
+  void _updateInlineDOMTable() {
+    var tableBody = shadowRoot.querySelector('#inlineRangeTableBody');
+    // Resize DOM table.
+    if (tableBody.children.length > inlineTable.sortedRows.length) {
+      // Shrink the table.
+      var deadRows =
+      tableBody.children.length - inlineTable.sortedRows.length;
+      for (var i = 0; i < deadRows; i++) {
+        tableBody.children.removeLast();
+      }
+    } else if (tableBody.children.length < inlineTable.sortedRows.length) {
+      // Grow table.
+      var newRows = inlineTable.sortedRows.length - tableBody.children.length;
+      for (var i = 0; i < newRows; i++) {
+        _addInlineDOMRow();
+      }
+    }
+    assert(tableBody.children.length == inlineTable.sortedRows.length);
+    // Fill table.
+    for (var i = 0; i < inlineTable.sortedRows.length; i++) {
+      var rowIndex = inlineTable.sortedRows[i];
+      var tr = tableBody.children[i];
+      _fillInlineDOMRow(tr, rowIndex);
+    }
+  }
+
+  void _updateInline() {
+    _updateInlineTable();
+    _updateInlineDOMTable();
+  }
+
   Element _findJumpTarget(Element target) {
     var jumpTarget = target.attributes['data-jump-target'];
     if (jumpTarget == '') {
       return null;
     }
     var address = int.parse(jumpTarget);
     var node = shadowRoot.querySelector('#addr-$address');
     if (node == null) {
       return null;
     }
     return node;
   }
 
   void mouseOver(Event e, var detail, Node target) {
     var jt = _findJumpTarget(target);
     if (jt == null) {
       return;
     }
     jt.classes.add('highlight');
   }
 
   void mouseOut(Event e, var detail, Node target) {
     var jt = _findJumpTarget(target);
     if (jt == null) {
       return;
     }
     jt.classes.remove('highlight');
   }
 }