blob: f77c99d28dfe1e13a5353a95cdde4a496e89ce22 [file] [log] [blame]
/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WI.CPUUsageCombinedView = class CPUUsageCombinedView extends WI.View
{
constructor(displayName)
{
super();
this.element.classList.add("cpu-usage-combined-view");
this._detailsElement = this.element.appendChild(document.createElement("div"));
this._detailsElement.classList.add("details");
let detailsNameElement = this._detailsElement.appendChild(document.createElement("span"));
detailsNameElement.classList.add("name");
detailsNameElement.textContent = displayName;
this._detailsElement.appendChild(document.createElement("br"));
this._detailsAverageElement = this._detailsElement.appendChild(document.createElement("span"));
this._detailsElement.appendChild(document.createElement("br"));
this._detailsMaxElement = this._detailsElement.appendChild(document.createElement("span"));
this._detailsElement.appendChild(document.createElement("br"));
this._detailsElement.appendChild(document.createElement("br"));
this._updateDetails(NaN, NaN);
this._graphElement = this.element.appendChild(document.createElement("div"));
this._graphElement.classList.add("graph");
// Combined thread usage area chart.
this._chart = new WI.StackedAreaChart;
this._chart.initializeSections(["main-thread-usage", "worker-thread-usage", "total-usage"]);
this.addSubview(this._chart);
this._graphElement.appendChild(this._chart.element);
// Main thread indicator strip.
this._rangeChart = new WI.RangeChart;
this.addSubview(this._rangeChart);
this._graphElement.appendChild(this._rangeChart.element);
function appendLegendRow(legendElement, className) {
let rowElement = legendElement.appendChild(document.createElement("div"));
rowElement.classList.add("row");
let swatchElement = rowElement.appendChild(document.createElement("div"));
swatchElement.classList.add("swatch", className);
let labelElement = rowElement.appendChild(document.createElement("div"));
labelElement.classList.add("label");
return labelElement;
}
this._legendElement = this._detailsElement.appendChild(document.createElement("div"));
this._legendElement.classList.add("legend-container");
this._legendMainThreadElement = appendLegendRow(this._legendElement, "main-thread");
this._legendWorkerThreadsElement = appendLegendRow(this._legendElement, "worker-threads");
this._legendOtherThreadsElement = appendLegendRow(this._legendElement, "other-threads");
this._legendTotalThreadsElement = appendLegendRow(this._legendElement, "total");
this.clearLegend();
}
// Public
get graphElement() { return this._graphElement; }
get chart() { return this._chart; }
get rangeChart() { return this._rangeChart; }
clear()
{
this._cachedAverageSize = undefined;
this._cachedMaxSize = undefined;
this._updateDetails(NaN, NaN);
this.clearLegend();
this._chart.clear();
this._chart.needsLayout();
this._rangeChart.clear();
this._rangeChart.needsLayout();
}
updateChart(dataPoints, size, visibleEndTime, min, max, average, xScale, yScale)
{
console.assert(size instanceof WI.Size);
console.assert(min >= 0);
console.assert(max >= 0);
console.assert(min <= max);
console.assert(min <= average && average <= max);
this._updateDetails(max, average);
this._chart.clearPoints();
this._chart.size = size;
this._chart.needsLayout();
if (!dataPoints.length)
return;
// Ensure an empty graph is empty.
if (!max)
return;
// Extend the first data point to the start so it doesn't look like we originate at zero size.
let firstX = 0;
let firstY1 = yScale(dataPoints[0].mainThreadUsage);
let firstY2 = yScale(dataPoints[0].mainThreadUsage + dataPoints[0].workerThreadUsage);
let firstY3 = yScale(dataPoints[0].usage);
this._chart.addPointSet(firstX, [firstY1, firstY2, firstY3]);
// Points for data points.
for (let dataPoint of dataPoints) {
let x = xScale(dataPoint.time);
let y1 = yScale(dataPoint.mainThreadUsage);
let y2 = yScale(dataPoint.mainThreadUsage + dataPoint.workerThreadUsage);
let y3 = yScale(dataPoint.usage)
this._chart.addPointSet(x, [y1, y2, y3]);
}
// Extend the last data point to the end time.
let lastDataPoint = dataPoints.lastValue;
let lastX = Math.floor(xScale(visibleEndTime));
let lastY1 = yScale(lastDataPoint.mainThreadUsage);
let lastY2 = yScale(lastDataPoint.mainThreadUsage + lastDataPoint.workerThreadUsage);
let lastY3 = yScale(lastDataPoint.usage);
this._chart.addPointSet(lastX, [lastY1, lastY2, lastY3]);
}
updateMainThreadIndicator(samples, size, visibleEndTime, xScale)
{
console.assert(size instanceof WI.Size);
this._rangeChart.clear();
this._rangeChart.size = size;
this._rangeChart.needsLayout();
if (!samples.length)
return;
// Coalesce ranges of samples.
let ranges = [];
let currentRange = null;
let currentSampleType = undefined;
for (let i = 0; i < samples.length; ++i) {
// Back to idle, close any current chunk.
let type = samples[i];
if (!type) {
if (currentRange) {
ranges.push(currentRange);
currentRange = null;
currentSampleType = undefined;
}
continue;
}
// Expand existing chunk.
if (type === currentSampleType) {
currentRange.endIndex = i;
continue;
}
// If type changed, close current chunk.
if (currentSampleType) {
ranges.push(currentRange);
currentRange = null;
currentSampleType = undefined;
}
// Start a new chunk.
console.assert(!currentRange);
console.assert(!currentSampleType);
currentRange = {type, startIndex: i, endIndex: i};
currentSampleType = type;
}
for (let {type, startIndex, endIndex} of ranges) {
let startX = xScale(startIndex);
let endX = xScale(endIndex + 1);
let width = endX - startX;
this._rangeChart.addRange(startX, width, type);
}
}
clearLegend()
{
this._legendMainThreadElement.textContent = WI.UIString("Main Thread");
this._legendWorkerThreadsElement.textContent = WI.UIString("Worker Threads");
this._legendOtherThreadsElement.textContent = WI.UIString("Other Threads");
this._legendTotalThreadsElement.textContent = "";
}
updateLegend(record)
{
if (!record) {
this.clearLegend();
return;
}
let {usage, mainThreadUsage, workerThreadUsage, webkitThreadUsage, unknownThreadUsage} = record;
this._legendMainThreadElement.textContent = WI.UIString("Main: %s").format(Number.percentageString(mainThreadUsage / 100));
this._legendWorkerThreadsElement.textContent = WI.UIString("Worker: %s").format(Number.percentageString(workerThreadUsage / 100));
this._legendOtherThreadsElement.textContent = WI.UIString("Other: %s").format(Number.percentageString((webkitThreadUsage + unknownThreadUsage) / 100));
this._legendTotalThreadsElement.textContent = WI.UIString("Total: %s").format(Number.percentageString(usage / 100));
}
// Private
_updateDetails(maxSize, averageSize)
{
if (this._cachedMaxSize === maxSize && this._cachedAverageSize === averageSize)
return;
this._cachedAverageSize = averageSize;
this._cachedMaxSize = maxSize;
this._detailsAverageElement.textContent = WI.UIString("Average: %s").format(Number.isFinite(maxSize) ? Number.percentageString(averageSize / 100) : emDash);
this._detailsMaxElement.textContent = WI.UIString("Highest: %s").format(Number.isFinite(maxSize) ? Number.percentageString(maxSize / 100) : emDash);
}
};
WI.CPUUsageCombinedView._cachedMainThreadIndicatorFillColor = null;
WI.CPUUsageCombinedView._cachedMainThreadIndicatorStrokeColor = null;