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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/179913">179913</a></dd>
<dt>Author</dt> <dd>rniwa@webkit.org</dd>
<dt>Date</dt> <dd>2015-02-10 18:45:43 -0800 (Tue, 10 Feb 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>New perf dashboard shouldn't always show outliners
https://bugs.webkit.org/show_bug.cgi?id=141445
Reviewed by Chris Dumez.
Use the simple moving average with an average difference envelope to compute the y-axis range to show
to avoid expanding it spuriously to show one off outlier.
* public/v2/app.js:
(App.Pane): Don't show the full y-axis range by default.
(App.Pane._computeChartData): Use the first strategies for the moving average and the enveloping if
one is not specified by the user but without showing them in the charts.
(App.Pane._computeMovingAverage): Takes moving average and enveloping strategies as arguments instead
of retrieving via chosenMovingAverageStrategy and chosenEnvelopingStrategy.
(App.ChartsController._parsePaneList): Added showFullYAxis as a query string argument to each pane.
(App.ChartsController._serializePaneList): Ditto.
* public/v2/chart-pane.css: Added a CSS rule for when y-axis is clickable.
* public/v2/index.html: Pass in showFullYAxis as an argument to the main interactive chart.
* public/v2/interactive-chart.js:
(App.InteractiveChartComponent._constructGraphIfPossible): Add an event listener on y-axis labels when
the chart is interactive so that toggle showFullYAxis. Also hide the moving average and/or the envelope
if they are not specified by the user (i.e. only used to adjust y-axis range).
(App.InteractiveChartComponent._updateDomain): Don't exit early if y-axis domains are different even if
x-axis domain remained the same. Without this change, the charts would never redraw.
(App.InteractiveChartComponent._minMaxForAllTimeSeries): Use the moving average instead of the current
time series to compute the y-axis range if showFullYAxis is false. When showFullYAxis is true, expand
y-axis all the way down to 0 or the minimum value in the current time series whichever is smaller.
* public/v2/js/statistics.js:
(Statistics.MovingAverageStrategies): Use a wider window in Simple Moving Average by default.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkWebsitesperfwebkitorgChangeLog">trunk/Websites/perf.webkit.org/ChangeLog</a></li>
<li><a href="#trunkWebsitesperfwebkitorgpublicv2appjs">trunk/Websites/perf.webkit.org/public/v2/app.js</a></li>
<li><a href="#trunkWebsitesperfwebkitorgpublicv2chartpanecss">trunk/Websites/perf.webkit.org/public/v2/chart-pane.css</a></li>
<li><a href="#trunkWebsitesperfwebkitorgpublicv2indexhtml">trunk/Websites/perf.webkit.org/public/v2/index.html</a></li>
<li><a href="#trunkWebsitesperfwebkitorgpublicv2interactivechartjs">trunk/Websites/perf.webkit.org/public/v2/interactive-chart.js</a></li>
<li><a href="#trunkWebsitesperfwebkitorgpublicv2jsstatisticsjs">trunk/Websites/perf.webkit.org/public/v2/js/statistics.js</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkWebsitesperfwebkitorgChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Websites/perf.webkit.org/ChangeLog (179912 => 179913)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Websites/perf.webkit.org/ChangeLog 2015-02-11 02:41:20 UTC (rev 179912)
+++ trunk/Websites/perf.webkit.org/ChangeLog 2015-02-11 02:45:43 UTC (rev 179913)
</span><span class="lines">@@ -1,5 +1,42 @@
</span><span class="cx"> 2015-02-10 Ryosuke Niwa <rniwa@webkit.org>
</span><span class="cx">
</span><ins>+ New perf dashboard shouldn't always show outliners
+ https://bugs.webkit.org/show_bug.cgi?id=141445
+
+ Reviewed by Chris Dumez.
+
+ Use the simple moving average with an average difference envelope to compute the y-axis range to show
+ to avoid expanding it spuriously to show one off outlier.
+
+ * public/v2/app.js:
+ (App.Pane): Don't show the full y-axis range by default.
+ (App.Pane._computeChartData): Use the first strategies for the moving average and the enveloping if
+ one is not specified by the user but without showing them in the charts.
+ (App.Pane._computeMovingAverage): Takes moving average and enveloping strategies as arguments instead
+ of retrieving via chosenMovingAverageStrategy and chosenEnvelopingStrategy.
+
+ (App.ChartsController._parsePaneList): Added showFullYAxis as a query string argument to each pane.
+ (App.ChartsController._serializePaneList): Ditto.
+
+ * public/v2/chart-pane.css: Added a CSS rule for when y-axis is clickable.
+
+ * public/v2/index.html: Pass in showFullYAxis as an argument to the main interactive chart.
+
+ * public/v2/interactive-chart.js:
+ (App.InteractiveChartComponent._constructGraphIfPossible): Add an event listener on y-axis labels when
+ the chart is interactive so that toggle showFullYAxis. Also hide the moving average and/or the envelope
+ if they are not specified by the user (i.e. only used to adjust y-axis range).
+ (App.InteractiveChartComponent._updateDomain): Don't exit early if y-axis domains are different even if
+ x-axis domain remained the same. Without this change, the charts would never redraw.
+ (App.InteractiveChartComponent._minMaxForAllTimeSeries): Use the moving average instead of the current
+ time series to compute the y-axis range if showFullYAxis is false. When showFullYAxis is true, expand
+ y-axis all the way down to 0 or the minimum value in the current time series whichever is smaller.
+
+ * public/v2/js/statistics.js:
+ (Statistics.MovingAverageStrategies): Use a wider window in Simple Moving Average by default.
+
+2015-02-10 Ryosuke Niwa <rniwa@webkit.org>
+
</ins><span class="cx"> Unreviewed build fix.
</span><span class="cx">
</span><span class="cx"> * public/v2/app.js:
</span></span></pre></div>
<a id="trunkWebsitesperfwebkitorgpublicv2appjs"></a>
<div class="modfile"><h4>Modified: trunk/Websites/perf.webkit.org/public/v2/app.js (179912 => 179913)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Websites/perf.webkit.org/public/v2/app.js 2015-02-11 02:41:20 UTC (rev 179912)
+++ trunk/Websites/perf.webkit.org/public/v2/app.js 2015-02-11 02:45:43 UTC (rev 179913)
</span><span class="lines">@@ -297,6 +297,7 @@
</span><span class="cx"> metricId: null,
</span><span class="cx"> metric: null,
</span><span class="cx"> selectedItem: null,
</span><ins>+ showFullYAxis: false,
</ins><span class="cx"> searchCommit: function (repository, keyword) {
</span><span class="cx"> var self = this;
</span><span class="cx"> var repositoryId = repository.get('id');
</span><span class="lines">@@ -476,30 +477,36 @@
</span><span class="cx"> return;
</span><span class="cx">
</span><span class="cx"> var chartData = App.createChartData(this.get('fetchedData'));
</span><del>- chartData.movingAverage = this._computeMovingAverage(chartData);
</del><span class="cx">
</span><del>- this._updateStrategyConfigIfNeeded(this.get('chosenMovingAverageStrategy'), 'movingAverageConfig');
- this._updateStrategyConfigIfNeeded(this.get('chosenEnvelopingStrategy'), 'envelopingConfig');
</del><ins>+ var movingAverageStrategy = this.get('chosenMovingAverageStrategy');
+ this._updateStrategyConfigIfNeeded(movingAverageStrategy, 'movingAverageConfig');
</ins><span class="cx">
</span><ins>+ var envelopingStrategy = this.get('chosenEnvelopingStrategy');
+ this._updateStrategyConfigIfNeeded(envelopingStrategy, 'envelopingConfig');
+
+ if (!movingAverageStrategy || !movingAverageStrategy.execute) {
+ movingAverageStrategy = Statistics.MovingAverageStrategies[0];
+ chartData.hideMovingAverage = true;
+ }
+ if (!envelopingStrategy || !envelopingStrategy.execute) {
+ envelopingStrategy = Statistics.EnvelopingStrategies[0];
+ chartData.hideEnvelope = true;
+ }
+
+ chartData.movingAverage = this._computeMovingAverage(chartData, movingAverageStrategy, envelopingStrategy);
+
</ins><span class="cx"> this.set('chartData', chartData);
</span><span class="cx"> }.observes('chosenMovingAverageStrategy', 'chosenMovingAverageStrategy.parameterList.@each.value',
</span><span class="cx"> 'chosenEnvelopingStrategy', 'chosenEnvelopingStrategy.parameterList.@each.value'),
</span><del>- _computeMovingAverage: function (chartData)
</del><ins>+ _computeMovingAverage: function (chartData, movingAverageStrategy, envelopingStrategy)
</ins><span class="cx"> {
</span><span class="cx"> var currentTimeSeriesData = chartData.current.series();
</span><del>- var movingAverageStrategy = this.get('chosenMovingAverageStrategy');
- if (!movingAverageStrategy || !movingAverageStrategy.execute)
- return null;
-
</del><span class="cx"> var movingAverageValues = this._executeStrategy(movingAverageStrategy, currentTimeSeriesData);
</span><span class="cx"> if (!movingAverageValues)
</span><span class="cx"> return null;
</span><span class="cx">
</span><del>- var envelopeDelta = null;
- var envelopingStrategy = this.get('chosenEnvelopingStrategy');
- if (envelopingStrategy && envelopingStrategy.execute)
- envelopeDelta = this._executeStrategy(envelopingStrategy, currentTimeSeriesData, [movingAverageValues]);
-
</del><ins>+ var envelopeDelta = this._executeStrategy(envelopingStrategy, currentTimeSeriesData, [movingAverageValues]);
+
</ins><span class="cx"> return new TimeSeries(currentTimeSeriesData.map(function (point, index) {
</span><span class="cx"> var value = movingAverageValues[index];
</span><span class="cx"> return {
</span><span class="lines">@@ -671,8 +678,9 @@
</span><span class="cx"> metricId: paneInfo[1],
</span><span class="cx"> selectedItem: selectedItem,
</span><span class="cx"> timeRange: timeRange,
</span><del>- movingAverageConfig: paneInfo[3],
- envelopingConfig: paneInfo[4],
</del><ins>+ showFullYAxis: paneInfo[3],
+ movingAverageConfig: paneInfo[4],
+ envelopingConfig: paneInfo[5],
</ins><span class="cx"> });
</span><span class="cx"> });
</span><span class="cx"> },
</span><span class="lines">@@ -687,6 +695,7 @@
</span><span class="cx"> pane.get('platformId'),
</span><span class="cx"> pane.get('metricId'),
</span><span class="cx"> pane.get('timeRange') ? pane.get('timeRange').map(function (date) { return date.getTime() }) : pane.get('selectedItem'),
</span><ins>+ pane.get('showFullYAxis'),
</ins><span class="cx"> pane.get('movingAverageConfig'),
</span><span class="cx"> pane.get('envelopingConfig'),
</span><span class="cx"> ];
</span><span class="lines">@@ -697,7 +706,7 @@
</span><span class="cx"> {
</span><span class="cx"> Ember.run.debounce(this, '_updateQueryString', 1000);
</span><span class="cx"> }.observes('sharedZoom', 'panes.@each.platform', 'panes.@each.metric', 'panes.@each.selectedItem', 'panes.@each.timeRange',
</span><del>- 'panes.@each.movingAverageConfig', 'panes.@each.envelopingConfig'),
</del><ins>+ 'panes.@each.showFullYAxis', 'panes.@each.movingAverageConfig', 'panes.@each.envelopingConfig'),
</ins><span class="cx">
</span><span class="cx"> _updateQueryString: function ()
</span><span class="cx"> {
</span></span></pre></div>
<a id="trunkWebsitesperfwebkitorgpublicv2chartpanecss"></a>
<div class="modfile"><h4>Modified: trunk/Websites/perf.webkit.org/public/v2/chart-pane.css (179912 => 179913)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Websites/perf.webkit.org/public/v2/chart-pane.css 2015-02-11 02:41:20 UTC (rev 179912)
+++ trunk/Websites/perf.webkit.org/public/v2/chart-pane.css 2015-02-11 02:45:43 UTC (rev 179913)
</span><span class="lines">@@ -442,6 +442,10 @@
</span><span class="cx"> stroke: none;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+.chart .axis.interactive text {
+ cursor: pointer;
+}
+
</ins><span class="cx"> .chart .rangeBar {
</span><span class="cx"> display: block;
</span><span class="cx"> background-color: #fc6;
</span></span></pre></div>
<a id="trunkWebsitesperfwebkitorgpublicv2indexhtml"></a>
<div class="modfile"><h4>Modified: trunk/Websites/perf.webkit.org/public/v2/index.html (179912 => 179913)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Websites/perf.webkit.org/public/v2/index.html 2015-02-11 02:41:20 UTC (rev 179912)
+++ trunk/Websites/perf.webkit.org/public/v2/index.html 2015-02-11 02:45:43 UTC (rev 179913)
</span><span class="lines">@@ -177,6 +177,7 @@
</span><span class="cx"> selection=timeRange
</span><span class="cx"> selectedPoints=selectedPoints
</span><span class="cx"> markedPoints=markedPoints
</span><ins>+ showFullYAxis=showFullYAxis
</ins><span class="cx"> zoom="zoomed"}}
</span><span class="cx"> {{else}}
</span><span class="cx"> {{#if failure}}
</span></span></pre></div>
<a id="trunkWebsitesperfwebkitorgpublicv2interactivechartjs"></a>
<div class="modfile"><h4>Modified: trunk/Websites/perf.webkit.org/public/v2/interactive-chart.js (179912 => 179913)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Websites/perf.webkit.org/public/v2/interactive-chart.js 2015-02-11 02:41:20 UTC (rev 179912)
+++ trunk/Websites/perf.webkit.org/public/v2/interactive-chart.js 2015-02-11 02:45:43 UTC (rev 179913)
</span><span class="lines">@@ -76,10 +76,15 @@
</span><span class="cx"> .attr("class", "x axis");
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ var isInteractive = this.get('interactive');
</ins><span class="cx"> if (this.get('showYAxis')) {
</span><span class="cx"> this._yAxis = d3.svg.axis().scale(this._y).orient("left").ticks(6).tickFormat(chartData.formatter);
</span><del>- this._yAxisLabels = svg.append("g")
- .attr("class", "y axis");
</del><ins>+
+ this._yAxisLabels = svg.append('g').attr('class', 'y axis' + (isInteractive ? ' interactive' : ''));
+ if (isInteractive) {
+ var self = this;
+ this._yAxisLabels.on('click', function () { self.toggleProperty('showFullYAxis'); });
+ }
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> this._clippedContainer = svg.append("g")
</span><span class="lines">@@ -123,7 +128,8 @@
</span><span class="cx"> .attr("class", "target"));
</span><span class="cx"> }
</span><span class="cx">
</span><del>- var foregroundClass = this._movingAverageTimeSeries ? '' : ' foreground';
</del><ins>+ var movingAverageIsVisible = this._movingAverageTimeSeries && !chartData.hideMovingAverage;
+ var foregroundClass = movingAverageIsVisible ? '' : ' foreground';
</ins><span class="cx"> this._areas.push(this._clippedContainer
</span><span class="cx"> .append("path")
</span><span class="cx"> .datum(this._currentTimeSeriesData)
</span><span class="lines">@@ -141,18 +147,21 @@
</span><span class="cx"> .attr("class", "dot" + foregroundClass)
</span><span class="cx"> .attr("r", this.get('chartPointRadius') || 1));
</span><span class="cx">
</span><del>- if (this._movingAverageTimeSeries) {
</del><ins>+ if (movingAverageIsVisible) {
</ins><span class="cx"> this._paths.push(this._clippedContainer
</span><span class="cx"> .append("path")
</span><span class="cx"> .datum(this._movingAverageTimeSeries.series())
</span><span class="cx"> .attr("class", "movingAverage"));
</span><del>- this._areas.push(this._clippedContainer
- .append("path")
- .datum(this._movingAverageTimeSeries.series())
- .attr("class", "envelope"));
</del><ins>+
+ if (!chartData.hideEnvelope) {
+ this._areas.push(this._clippedContainer
+ .append("path")
+ .datum(this._movingAverageTimeSeries.series())
+ .attr("class", "envelope"));
+ }
</ins><span class="cx"> }
</span><span class="cx">
</span><del>- if (this.get('interactive')) {
</del><ins>+ if (isInteractive) {
</ins><span class="cx"> this._currentItemLine = this._clippedContainer
</span><span class="cx"> .append("line")
</span><span class="cx"> .attr("class", "current-item");
</span><span class="lines">@@ -193,11 +202,14 @@
</span><span class="cx"> var intrinsicXDomain = this._computeXAxisDomain(this._currentTimeSeriesData);
</span><span class="cx"> if (!xDomain)
</span><span class="cx"> xDomain = intrinsicXDomain;
</span><del>- var currentDomain = this._x.domain();
- if (currentDomain && App.domainsAreEqual(currentDomain, xDomain))
</del><ins>+ var yDomain = this._computeYAxisDomain(xDomain[0], xDomain[1]);
+
+ var currentXDomain = this._x.domain();
+ var currentYDomain = this._y.domain();
+ if (currentXDomain && App.domainsAreEqual(currentXDomain, xDomain)
+ && currentYDomain && App.domainsAreEqual(currentYDomain, yDomain))
</ins><span class="cx"> return currentDomain;
</span><span class="cx">
</span><del>- var yDomain = this._computeYAxisDomain(xDomain[0], xDomain[1]);
</del><span class="cx"> this._x.domain(xDomain);
</span><span class="cx"> this._y.domain(yDomain);
</span><span class="cx"> return xDomain;
</span><span class="lines">@@ -339,13 +351,17 @@
</span><span class="cx"> },
</span><span class="cx"> _minMaxForAllTimeSeries: function (startTime, endTime)
</span><span class="cx"> {
</span><del>- var currentRange = this._currentTimeSeries.minMaxForTimeRange(startTime, endTime);
</del><ins>+ var shouldShowFullYAxis = this.get('showFullYAxis');
+ var mainTimeSeries = this._movingAverageTimeSeries && !shouldShowFullYAxis ? this._movingAverageTimeSeries : this._currentTimeSeries;
+ var currentRange = mainTimeSeries.minMaxForTimeRange(startTime, endTime);
+ if (shouldShowFullYAxis)
+ currentRange[0] = Math.min(0, currentRange[0]);
+
</ins><span class="cx"> var baselineRange = this._baselineTimeSeries ? this._baselineTimeSeries.minMaxForTimeRange(startTime, endTime) : [Number.MAX_VALUE, Number.MIN_VALUE];
</span><span class="cx"> var targetRange = this._targetTimeSeries ? this._targetTimeSeries.minMaxForTimeRange(startTime, endTime) : [Number.MAX_VALUE, Number.MIN_VALUE];
</span><del>- var movingAverageRange = this._movingAverageTimeSeries ? this._movingAverageTimeSeries.minMaxForTimeRange(startTime, endTime) : [Number.MAX_VALUE, Number.MIN_VALUE];
</del><span class="cx"> return [
</span><del>- Math.min(currentRange[0], baselineRange[0], targetRange[0], movingAverageRange[0]),
- Math.max(currentRange[1], baselineRange[1], targetRange[1], movingAverageRange[1]),
</del><ins>+ Math.min(currentRange[0], baselineRange[0], targetRange[0]),
+ Math.max(currentRange[1], baselineRange[1], targetRange[1]),
</ins><span class="cx"> ];
</span><span class="cx"> },
</span><span class="cx"> _currentSelection: function ()
</span><span class="lines">@@ -361,7 +377,7 @@
</span><span class="cx"> selection = null; // Otherwise the user has no way of clearing the selection.
</span><span class="cx">
</span><span class="cx"> this._relayoutDataAndAxes(selection);
</span><del>- }.observes('domain'),
</del><ins>+ }.observes('domain', 'showFullYAxis'),
</ins><span class="cx"> _selectionChanged: function ()
</span><span class="cx"> {
</span><span class="cx"> this._updateSelection(this.get('selection'));
</span></span></pre></div>
<a id="trunkWebsitesperfwebkitorgpublicv2jsstatisticsjs"></a>
<div class="modfile"><h4>Modified: trunk/Websites/perf.webkit.org/public/v2/js/statistics.js (179912 => 179913)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Websites/perf.webkit.org/public/v2/js/statistics.js 2015-02-11 02:41:20 UTC (rev 179912)
+++ trunk/Websites/perf.webkit.org/public/v2/js/statistics.js 2015-02-11 02:45:43 UTC (rev 179913)
</span><span class="lines">@@ -104,8 +104,8 @@
</span><span class="cx"> id: 1,
</span><span class="cx"> label: 'Simple Moving Average',
</span><span class="cx"> parameterList: [
</span><del>- {label: "Backward window size", value: 5, min: 2, step: 1},
- {label: "Forward window size", value: 3, min: 0, step: 1}
</del><ins>+ {label: "Backward window size", value: 8, min: 2, step: 1},
+ {label: "Forward window size", value: 4, min: 0, step: 1}
</ins><span class="cx"> ],
</span><span class="cx"> execute: function (backwardWindowSize, forwardWindowSize, values) {
</span><span class="cx"> var averages = new Array(values.length);
</span></span></pre>
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