[tools] System-analyzer list panel improvements

- Show selection tab-bar
- Hide panels on empty timeline
- Fix legend position in ic list-panel

Bug: v8:10644
Change-Id: I4ef09627ed4de8682adb60f88be38867bc91640d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2584953Reviewed-by: Sathya Gunasekaran  <gsathya@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71731}

tools/system-analyzer/index.css

@@ -18,7 +18,8 @@
   --blue: #6e77dc;
   --orange: #dc9b6e;
   --violet: #d26edc;
-  --border-color: 128, 128, 128;
+  --border-color-rgb: 128, 128, 128;
+  --border-color: rgba(var(--border-color-rgb), 0.2);
 }
 
 [data-theme="light"] {
@@ -112,11 +113,12 @@ dd {
   color: var(--on-surface-color);
   padding: 10px;
   border-radius: 10px;
-  border: 3px solid rgba(var(--border-color), 0.2);
+  border: 3px solid var(--border-color);
   overflow: hidden;
 }
 
 .panelBody {
+  position: relative;
   max-height: 800px;
   overflow-y: scroll;
   margin: 0 -10px -10px 0;
@@ -125,7 +127,7 @@ dd {
 .panel > h2, .panelTitle {
   margin: -10px -10px 0 -10px;
   padding: 5px 10px 5px 10px;
-  background-color: rgba(var(--border-color),0.2);
+  background-color: var(--border-color);
   border-radius: 7px 7px 0 0;
   font-weight: 400;
 }
@@ -144,14 +146,14 @@ select,
 button {
   background-color: var(--surface-color);
   color: var(--on-surface-color);
-  border: 2px solid rgba(var(--border-color), 0.4);
+  border: 2px solid rgba(var(--border-color-rgb), 0.4);
   border-radius: 5px;
   padding: 2px;
 }
 input:hover,
 select:hover,
 button:hover {
-  border: 2px solid rgba(var(--border-color), 0.6);
+  border: 2px solid rgba(var(--border-color-rgb), 0.6);
 }
 
 .colorbox {
@@ -214,19 +216,18 @@ button:hover {
 }
 
 
-#legend {
+.legend {
   position: absolute;
-  right: 10px;
-  top: 10px;
+  right: 0px;
+  top: 0px;
   background-color: var(--surface-color);
   border-radius: 5px;
-  border: 3px solid rgba(var(--border-color), 0.2);
+  border: 3px solid var(--border-color);
   padding: 0 10px 0 10px;
 }
-
-#legend dt  {
+.legend dt  {
   font-family: monospace;
 }
-#legend h3 {
+.legend h3 {
   margin-top: 10px;
 }
\ No newline at end of file

tools/system-analyzer/index.html

@@ -108,7 +108,7 @@ found in the LICENSE file. -->
     <div class="panels">
       <map-panel id="map-panel"></map-panel>
       <list-panel id="ic-list" title="IC List">
-        <div id="legend">
+        <div class="legend">
           <h3>Legend</h3>
           <dl>
             <dt>0</dt>

tools/system-analyzer/index.mjs

@@ -66,7 +66,7 @@ class App {
     document.addEventListener(
         SelectionEvent.name, e => this.handleShowEntries(e));
     document.addEventListener(
-        FocusEvent.name, e => this.handleShowEntryDetail(e));
+        FocusEvent.name, e => this.handleFocusLogEntryl(e));
     document.addEventListener(
         SelectTimeEvent.name, e => this.handleTimeRangeSelect(e));
     document.addEventListener(ToolTipEvent.name, e => this.handleToolTip(e));
@@ -101,27 +101,6 @@ class App {
     }
   }
 
-  handleShowEntryDetail(e) {
-    e.stopPropagation();
-    const entry = e.entry;
-    switch (entry.constructor) {
-      case SourcePosition:
-        return this.selectSourcePosition(entry);
-      case MapLogEntry:
-        return this.selectMapLogEntry(entry);
-      case IcLogEntry:
-        return this.selectIcLogEntry(entry);
-      case ApiLogEntry:
-        return this.selectApiLogEntry(entry);
-      case CodeLogEntry:
-        return this.selectCodeLogEntry(entry);
-      case DeoptLogEntry:
-        return this.selectDeoptLogEntry(entry);
-      default:
-        throw new Error('Unknown selection type!');
-    }
-  }
-
   showMapEntries(entries) {
     this._state.selectedMapLogEntries = entries;
     this._view.mapPanel.selectedLogEntries = entries;
@@ -168,37 +147,57 @@ class App {
     this._view.timelinePanel.timeSelection = {start, end};
   }
 
-  selectMapLogEntry(entry) {
+  handleFocusLogEntryl(e) {
+    e.stopPropagation();
+    this.focusLogEntry(e.entry);
+  }
+
+  focusLogEntry(entry) {
+    switch (entry.constructor) {
+      case SourcePosition:
+        return this.focusSourcePosition(entry);
+      case MapLogEntry:
+        return this.focusMapLogEntry(entry);
+      case IcLogEntry:
+        return this.focusIcLogEntry(entry);
+      case ApiLogEntry:
+        return this.focusApiLogEntry(entry);
+      case CodeLogEntry:
+        return this.focusCodeLogEntry(entry);
+      case DeoptLogEntry:
+        return this.focusDeoptLogEntry(entry);
+      default:
+        throw new Error('Unknown selection type!');
+    }
+  }
+
+  focusMapLogEntry(entry) {
     this._state.map = entry;
-    this._view.mapTrack.selectedEntry = entry;
+    this._view.mapTrack.focusedEntry = entry;
     this._view.mapPanel.map = entry;
-    this._view.mapList.selectedLogEntry = entry;
   }
 
-  selectIcLogEntry(entry) {
+  focusIcLogEntry(entry) {
     this._state.ic = entry;
-    this._view.icList.selectedLogEntry = entry;
   }
 
-  selectCodeLogEntry(entry) {
+  focusCodeLogEntry(entry) {
     this._state.code = entry;
     this._view.codePanel.entry = entry;
-    this._view.codeList.selectedLogEntry = entry;
   }
 
-  selectDeoptLogEntry(entry) {
-    this._view.deoptList.selectedLogEntry = entry;
+  focusDeoptLogEntry(entry) {
+    this._view.deoptList.focusedLogEntry = entry;
   }
 
-  selectApiLogEntry(entry) {
+  focusApiLogEntry(entry) {
     this._state.apiLogEntry = entry;
-    this._view.apiTrack.selectedEntry = entry;
-    this._view.apiList.selectedLogEntry = entry;
+    this._view.apiTrack.focusedEntry = entry;
   }
 
-  selectSourcePosition(sourcePositions) {
+  focusSourcePosition(sourcePositions) {
     if (!sourcePositions.script) return;
-    this._view.sourcePanel.selectedSourcePositions = [sourcePositions];
+    this._view.sourcePanel.focusedSourcePositions = [sourcePositions];
   }
 
   handleToolTip(event) {

tools/system-analyzer/view/code-panel.mjs

@@ -7,67 +7,68 @@ import {MapLogEntry} from '../log/map.mjs';
 import {FocusEvent, SelectionEvent, ToolTipEvent} from './events.mjs';
 import {delay, DOM, formatBytes, formatMicroSeconds, V8CustomElement} from './helper.mjs';
 
-DOM.defineCustomElement(
-    'view/code-panel',
-    (templateText) => class CodePanel extends V8CustomElement {
-      _timeline;
-      _selectedEntries;
-      _entry;
+DOM.defineCustomElement('view/code-panel',
+                        (templateText) =>
+                            class CodePanel extends V8CustomElement {
+  _timeline;
+  _selectedEntries;
+  _entry;
 
-      constructor() {
-        super(templateText);
-        this._codeSelectNode.onchange = this._handleSelectCode.bind(this);
-      }
+  constructor() {
+    super(templateText);
+    this._codeSelectNode.onchange = this._handleSelectCode.bind(this);
+  }
 
-      set timeline(timeline) {
-        this._timeline = timeline;
-        this.update();
-      }
+  set timeline(timeline) {
+    this._timeline = timeline;
+    this.$('.panel').style.display = timeline.isEmpty() ? 'none' : 'inherit';
+    this.update();
+  }
 
-      set selectedEntries(entries) {
-        this._selectedEntries = entries;
-        // TODO: add code selection dropdown
-        this._updateSelect();
-        this.entry = entries.first();
-      }
+  set selectedEntries(entries) {
+    this._selectedEntries = entries;
+    // TODO: add code selection dropdown
+    this._updateSelect();
+    this.entry = entries.first();
+  }
 
-      set entry(entry) {
-        this._entry = entry;
-        this.update();
-      }
+  set entry(entry) {
+    this._entry = entry;
+    this.update();
+  }
 
-      get _disassemblyNode() {
-        return this.$('#disassembly');
-      }
+  get _disassemblyNode() {
+    return this.$('#disassembly');
+  }
 
-      get _sourceNode() {
-        return this.$('#sourceCode');
-      }
+  get _sourceNode() {
+    return this.$('#sourceCode');
+  }
 
-      get _codeSelectNode() {
-        return this.$('#codeSelect');
-      }
+  get _codeSelectNode() {
+    return this.$('#codeSelect');
+  }
 
-      _update() {
-        this._disassemblyNode.innerText = this._entry?.disassemble ?? '';
-        this._sourceNode.innerText = this._entry?.source ?? '';
-      }
+  _update() {
+    this._disassemblyNode.innerText = this._entry?.disassemble ?? '';
+    this._sourceNode.innerText = this._entry?.source ?? '';
+  }
 
-      _updateSelect() {
-        const select = this._codeSelectNode;
-        select.options.length = 0;
-        const sorted =
-            this._selectedEntries.slice().sort((a, b) => a.time - b.time);
-        for (const code of this._selectedEntries) {
-          const option = DOM.element('option');
-          option.text =
-              `${code.name}(...) t=${formatMicroSeconds(code.time)} size=${
-                  formatBytes(code.size)} script=${code.script?.toString()}`;
-          option.data = code;
-          select.add(option);
-        }
-      }
-      _handleSelectCode() {
-        this.entry = this._codeSelectNode.selectedOptions[0].data;
-      }
-    });
+  _updateSelect() {
+    const select = this._codeSelectNode;
+    select.options.length = 0;
+    const sorted =
+        this._selectedEntries.slice().sort((a, b) => a.time - b.time);
+    for (const code of this._selectedEntries) {
+      const option = DOM.element('option');
+      option.text =
+          `${code.name}(...) t=${formatMicroSeconds(code.time)} size=${
+              formatBytes(code.size)} script=${code.script?.toString()}`;
+      option.data = code;
+      select.add(option);
+    }
+  }
+  _handleSelectCode() {
+    this.entry = this._codeSelectNode.selectedOptions[0].data;
+  }
+});
\ No newline at end of file

tools/system-analyzer/view/list-panel-template.html

@@ -50,12 +50,51 @@ found in the LICENSE file. -->
     max-height: 800px;
     overflow-y: scroll;
   }
+
+  .selection {
+    display: flex;
+    margin: 0 -10px 0 -10px;
+  }
+  .selection input {
+    display: none;
+  }
+
+  .selection label {
+    flex: 1;
+    padding: 5px;
+    cursor: pointer;
+    background-color: var( --surface-color); 
+    font-weight: normal;
+    text-align: center;
+  }
+  .selection label ~ label {
+    border-left: 2px var(--border-color) solid;
+  }
+
+  .selection label:hover {
+    background-color: var(--primary-color);
+  }
+  .selection [type=radio]:checked + label {
+    background-color: var(--border-color);
+  }
+
+  .legend {
+    top: 40px;
+  }
 </style>
 <div class="panel">
   <h2 id="title"></h2>
-  <slot></slot>
+  <div class="selection">
+    <input type="radio" id="show-all" name="selectionType" value="all">
+    <label for="show-all">All</label>
+    <input type="radio" id="show-timerange" name="selectionType" value="timerange">
+    <label for="show-timerange">Time Range</label>
+    <input type="radio" id="show-selection" name="selectionType" value="selection">
+    <label for="show-selection">Last Selection</label>
+  </div>
   <select id="group-key"></select>
   <div id="content" class="panelBody">
+    <slot></slot>
     <table id="table" width="100%">
     </table>
   </div>

tools/system-analyzer/view/list-panel.mjs

@@ -14,7 +14,7 @@ DOM.defineCustomElement('view/list-panel',
                         (templateText) =>
                             class ListPanel extends V8CustomElement {
   _selectedLogEntries;
-  _selectedLogEntry;
+  _displayedLogEntries;
   _timeline;
 
   _detailsClickHandler = this._handleDetailsClick.bind(this);
@@ -24,6 +24,9 @@ DOM.defineCustomElement('view/list-panel',
   constructor() {
     super(templateText);
     this.groupKey.addEventListener('change', e => this.update());
+    this.showAllRadio.onclick = _ => this._show(this._timeline);
+    this.showTimerangeRadio.onclick = _ => this._show(this._timeline.selection);
+    this.showSelectionRadio.onclick = _ => this._show(this._selectedLogEntries);
   }
 
   static get observedAttributes() {
@@ -36,20 +39,22 @@ DOM.defineCustomElement('view/list-panel',
     }
   }
 
-  set timeline(value) {
-    console.assert(value !== undefined, 'timeline undefined!');
-    this._timeline = value;
-    this.selectedLogEntries = this._timeline.all;
-    this.initGroupKeySelect();
+  set timeline(timeline) {
+    console.assert(timeline !== undefined, 'timeline undefined!');
+    this._timeline = timeline;
+    this.$('.panel').style.display = timeline.isEmpty() ? 'none' : 'inherit';
+    this._initGroupKeySelect();
   }
 
   set selectedLogEntries(entries) {
-    this._selectedLogEntries = entries;
-    this.update();
-  }
-
-  set selectedLogEntry(entry) {
-    // TODO: show details
+    if (entries === this._timeline.selection) {
+      this.showTimerangeRadio.click();
+    } else if (entries == this._timeline) {
+      this.showAllRadio.click();
+    } else {
+      this._selectedLogEntries = entries;
+      this.showSelectionRadio.click();
+    }
   }
 
   get entryClass() {
@@ -64,19 +69,42 @@ DOM.defineCustomElement('view/list-panel',
     return this.$('#table');
   }
 
-  get spanSelectAll() {
-    return this.querySelectorAll('span');
+  get showAllRadio() {
+    return this.$('#show-all');
+  }
+  get showTimerangeRadio() {
+    return this.$('#show-timerange');
+  }
+  get showSelectionRadio() {
+    return this.$('#show-selection');
   }
 
   get _propertyNames() {
     return this.entryClass?.propertyNames ?? [];
   }
 
+  _initGroupKeySelect() {
+    const select = this.groupKey;
+    select.options.length = 0;
+    for (const propertyName of this._propertyNames) {
+      const option = DOM.element('option');
+      option.text = propertyName;
+      select.add(option);
+    }
+  }
+
+  _show(entries) {
+    this._displayedLogEntries = entries;
+    this.update();
+  }
+
   _update() {
+    if (this._timeline.isEmpty()) return;
     DOM.removeAllChildren(this.table);
+    if (this._displayedLogEntries.length == 0) return;
     const propertyName = this.groupKey.selectedOptions[0].text;
     const groups =
-        groupBy(this._selectedLogEntries, each => each[propertyName], true);
+        groupBy(this._displayedLogEntries, each => each[propertyName], true);
     this._render(groups, this.table);
   }
 
@@ -168,14 +196,4 @@ DOM.defineCustomElement('view/list-panel',
       return tr;
     }, 10);
   }
-
-  initGroupKeySelect() {
-    const select = this.groupKey;
-    select.options.length = 0;
-    for (const propertyName of this._propertyNames) {
-      const option = DOM.element('option');
-      option.text = propertyName;
-      select.add(option);
-    }
-  }
 });

tools/system-analyzer/view/map-panel.mjs

@@ -43,6 +43,7 @@ DOM.defineCustomElement('view/map-panel',
 
   set timeline(timeline) {
     this._timeline = timeline;
+    this.$('.panel').style.display = timeline.isEmpty() ? 'none' : 'inherit';
     this.mapTransitionsPanel.timeline = timeline;
   }
 

tools/system-analyzer/view/timeline/timeline-track-template.html

@@ -76,7 +76,7 @@ found in the LICENSE file. -->
     font-weight: 400;
   }
 
-  .legend {
+  .timelineLegend {
     position: relative;
     float: right;
     height: calc(200px + 12px);
@@ -143,7 +143,7 @@ found in the LICENSE file. -->
 </style>
 
 <h3 id="title"></h3>
-<div class="legend">
+<div class="timelineLegend">
   <table id="legendTable">
     <thead>
       <tr>