blob: 09cb255586529fba705ae2255701855b326e51b5 [file] [log] [blame]
/**
* Copyright (C) 2014 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
/**
* @constructor
* @implements {WebInspector.FlameChartDataProvider}
* @param {?WebInspector.Target} target
*/
WebInspector.ProfileFlameChartDataProvider = function(target)
{
WebInspector.FlameChartDataProvider.call(this);
this._target = target;
this._colorGenerator = WebInspector.ProfileFlameChartDataProvider.colorGenerator();
}
WebInspector.ProfileFlameChartDataProvider.prototype = {
/**
* @override
* @return {number}
*/
barHeight: function()
{
return 15;
},
/**
* @override
* @return {number}
*/
textBaseline: function()
{
return 4;
},
/**
* @override
* @return {number}
*/
textPadding: function()
{
return 2;
},
/**
* @override
* @param {number} startTime
* @param {number} endTime
* @return {?Array.<number>}
*/
dividerOffsets: function(startTime, endTime)
{
return null;
},
/**
* @override
* @return {number}
*/
minimumBoundary: function()
{
return this._cpuProfile.profileStartTime;
},
/**
* @override
* @return {number}
*/
totalTime: function()
{
return this._cpuProfile.profileHead.total;
},
/**
* @override
* @param {number} value
* @param {number=} precision
* @return {string}
*/
formatValue: function(value, precision)
{
return Number.preciseMillisToString(value, precision);
},
/**
* @override
* @return {number}
*/
maxStackDepth: function()
{
return this._maxStackDepth;
},
/**
* @override
* @return {?WebInspector.FlameChart.TimelineData}
*/
timelineData: function()
{
return this._timelineData || this._calculateTimelineData();
},
/**
* @return {!WebInspector.FlameChart.TimelineData}
*/
_calculateTimelineData: function()
{
throw "Not implemented.";
},
/**
* @override
* @param {number} entryIndex
* @return {?Element}
*/
prepareHighlightedEntryInfo: function(entryIndex)
{
throw "Not implemented.";
},
/**
* @override
* @param {number} entryIndex
* @return {boolean}
*/
canJumpToEntry: function(entryIndex)
{
return this._entryNodes[entryIndex].scriptId !== "0";
},
/**
* @override
* @param {number} entryIndex
* @return {string}
*/
entryTitle: function(entryIndex)
{
var node = this._entryNodes[entryIndex];
return WebInspector.beautifyFunctionName(node.functionName);
},
/**
* @override
* @param {number} entryIndex
* @return {?string}
*/
entryFont: function(entryIndex)
{
if (!this._font) {
this._font = (this.barHeight() - 4) + "px " + WebInspector.fontFamily();
this._boldFont = "bold " + this._font;
}
var node = this._entryNodes[entryIndex];
return node.deoptReason ? this._boldFont : this._font;
},
/**
* @override
* @param {number} entryIndex
* @return {string}
*/
entryColor: function(entryIndex)
{
var node = this._entryNodes[entryIndex];
// For idle and program, we want different 'shades of gray', so we fallback to functionName as scriptId = 0
// For rest of nodes e.g eval scripts, if url is empty then scriptId will be guaranteed to be non-zero
return this._colorGenerator.colorForID(node.url || (node.scriptId !== "0" ? node.scriptId : node.functionName));
},
/**
* @override
* @param {number} entryIndex
* @param {!CanvasRenderingContext2D} context
* @param {?string} text
* @param {number} barX
* @param {number} barY
* @param {number} barWidth
* @param {number} barHeight
* @return {boolean}
*/
decorateEntry: function(entryIndex, context, text, barX, barY, barWidth, barHeight)
{
return false;
},
/**
* @override
* @param {number} entryIndex
* @return {boolean}
*/
forceDecoration: function(entryIndex)
{
return false;
},
/**
* @override
* @param {number} entryIndex
* @return {!{startTime: number, endTime: number}}
*/
highlightTimeRange: function(entryIndex)
{
var startTime = this._timelineData.entryStartTimes[entryIndex];
return {
startTime: startTime,
endTime: startTime + this._timelineData.entryTotalTimes[entryIndex]
};
},
/**
* @override
* @return {number}
*/
paddingLeft: function()
{
return 0;
},
/**
* @override
* @param {number} entryIndex
* @return {string}
*/
textColor: function(entryIndex)
{
return "#333";
}
}
/**
* @return {!WebInspector.FlameChart.ColorGenerator}
*/
WebInspector.ProfileFlameChartDataProvider.colorGenerator = function()
{
if (!WebInspector.ProfileFlameChartDataProvider._colorGenerator) {
var colorGenerator = new WebInspector.FlameChart.ColorGenerator(
{ min: 30, max: 330 },
{ min: 50, max: 80, count: 5 },
{ min: 80, max: 90, count: 3 });
colorGenerator.setColorForID("(idle)", "hsl(0, 0%, 94%)");
colorGenerator.setColorForID("(program)", "hsl(0, 0%, 80%)");
colorGenerator.setColorForID("(garbage collector)", "hsl(0, 0%, 80%)");
WebInspector.ProfileFlameChartDataProvider._colorGenerator = colorGenerator;
}
return WebInspector.ProfileFlameChartDataProvider._colorGenerator;
}
/**
* @constructor
* @implements {WebInspector.Searchable}
* @extends {WebInspector.VBox}
* @param {!WebInspector.SearchableView} searchableView
* @param {!WebInspector.FlameChartDataProvider} dataProvider
*/
WebInspector.CPUProfileFlameChart = function(searchableView, dataProvider)
{
WebInspector.VBox.call(this);
this.element.id = "cpu-flame-chart";
this._searchableView = searchableView;
this._overviewPane = new WebInspector.CPUProfileFlameChart.OverviewPane(dataProvider);
this._overviewPane.show(this.element);
this._mainPane = new WebInspector.FlameChart(dataProvider, this._overviewPane);
this._mainPane.show(this.element);
this._mainPane.addEventListener(WebInspector.FlameChart.Events.EntrySelected, this._onEntrySelected, this);
this._overviewPane.addEventListener(WebInspector.OverviewGrid.Events.WindowChanged, this._onWindowChanged, this);
this._dataProvider = dataProvider;
this._searchResults = [];
}
WebInspector.CPUProfileFlameChart.prototype = {
focus: function()
{
this._mainPane.focus();
},
/**
* @param {!WebInspector.Event} event
*/
_onWindowChanged: function(event)
{
var windowLeft = event.data.windowTimeLeft;
var windowRight = event.data.windowTimeRight;
this._mainPane.setWindowTimes(windowLeft, windowRight);
},
/**
* @param {number} timeLeft
* @param {number} timeRight
*/
selectRange: function(timeLeft, timeRight)
{
this._overviewPane._selectRange(timeLeft, timeRight);
},
/**
* @param {!WebInspector.Event} event
*/
_onEntrySelected: function(event)
{
this.dispatchEventToListeners(WebInspector.FlameChart.Events.EntrySelected, event.data);
},
update: function()
{
this._overviewPane.update();
this._mainPane.update();
},
/**
* @override
* @param {!WebInspector.SearchableView.SearchConfig} searchConfig
* @param {boolean} shouldJump
* @param {boolean=} jumpBackwards
*/
performSearch: function(searchConfig, shouldJump, jumpBackwards)
{
var matcher = createPlainTextSearchRegex(searchConfig.query, searchConfig.caseSensitive ? "" : "i");
var selectedEntryIndex = this._searchResultIndex !== -1 ? this._searchResults[this._searchResultIndex] : -1;
this._searchResults = [];
var entriesCount = this._dataProvider._entryNodes.length;
for (var index = 0; index < entriesCount; ++index) {
if (this._dataProvider.entryTitle(index).match(matcher))
this._searchResults.push(index);
}
if (this._searchResults.length) {
this._searchResultIndex = this._searchResults.indexOf(selectedEntryIndex);
if (this._searchResultIndex === -1)
this._searchResultIndex = jumpBackwards ? this._searchResults.length - 1 : 0;
this._mainPane.setSelectedEntry(this._searchResults[this._searchResultIndex]);
} else {
this.searchCanceled();
}
this._searchableView.updateSearchMatchesCount(this._searchResults.length);
this._searchableView.updateCurrentMatchIndex(this._searchResultIndex);
},
/**
* @override
*/
searchCanceled: function()
{
this._mainPane.setSelectedEntry(-1);
this._searchResults = [];
this._searchResultIndex = -1;
},
/**
* @override
*/
jumpToNextSearchResult: function()
{
this._searchResultIndex = (this._searchResultIndex + 1) % this._searchResults.length;
this._mainPane.setSelectedEntry(this._searchResults[this._searchResultIndex]);
this._searchableView.updateCurrentMatchIndex(this._searchResultIndex);
},
/**
* @override
*/
jumpToPreviousSearchResult: function()
{
this._searchResultIndex = (this._searchResultIndex - 1 + this._searchResults.length) % this._searchResults.length;
this._mainPane.setSelectedEntry(this._searchResults[this._searchResultIndex]);
this._searchableView.updateCurrentMatchIndex(this._searchResultIndex);
},
/**
* @override
* @return {boolean}
*/
supportsCaseSensitiveSearch: function()
{
return true;
},
/**
* @override
* @return {boolean}
*/
supportsRegexSearch: function()
{
return false;
},
__proto__: WebInspector.VBox.prototype
};
/**
* @constructor
* @implements {WebInspector.TimelineGrid.Calculator}
*/
WebInspector.CPUProfileFlameChart.OverviewCalculator = function(dataProvider)
{
this._dataProvider = dataProvider;
}
WebInspector.CPUProfileFlameChart.OverviewCalculator.prototype = {
/**
* @override
* @return {number}
*/
paddingLeft: function()
{
return 0;
},
/**
* @param {!WebInspector.CPUProfileFlameChart.OverviewPane} overviewPane
*/
_updateBoundaries: function(overviewPane)
{
this._minimumBoundaries = overviewPane._dataProvider.minimumBoundary();
var totalTime = overviewPane._dataProvider.totalTime();
this._maximumBoundaries = this._minimumBoundaries + totalTime;
this._xScaleFactor = overviewPane._overviewContainer.clientWidth / totalTime;
},
/**
* @override
* @param {number} time
* @return {number}
*/
computePosition: function(time)
{
return (time - this._minimumBoundaries) * this._xScaleFactor;
},
/**
* @override
* @param {number} value
* @param {number=} precision
* @return {string}
*/
formatValue: function(value, precision)
{
return this._dataProvider.formatValue(value - this._minimumBoundaries, precision);
},
/**
* @override
* @return {number}
*/
maximumBoundary: function()
{
return this._maximumBoundaries;
},
/**
* @override
* @return {number}
*/
minimumBoundary: function()
{
return this._minimumBoundaries;
},
/**
* @override
* @return {number}
*/
zeroTime: function()
{
return this._minimumBoundaries;
},
/**
* @override
* @return {number}
*/
boundarySpan: function()
{
return this._maximumBoundaries - this._minimumBoundaries;
}
}
/**
* @constructor
* @extends {WebInspector.VBox}
* @implements {WebInspector.FlameChartDelegate}
* @param {!WebInspector.FlameChartDataProvider} dataProvider
*/
WebInspector.CPUProfileFlameChart.OverviewPane = function(dataProvider)
{
WebInspector.VBox.call(this);
this.element.classList.add("cpu-profile-flame-chart-overview-pane");
this._overviewContainer = this.element.createChild("div", "cpu-profile-flame-chart-overview-container");
this._overviewGrid = new WebInspector.OverviewGrid("cpu-profile-flame-chart");
this._overviewGrid.element.classList.add("fill");
this._overviewCanvas = this._overviewContainer.createChild("canvas", "cpu-profile-flame-chart-overview-canvas");
this._overviewContainer.appendChild(this._overviewGrid.element);
this._overviewCalculator = new WebInspector.CPUProfileFlameChart.OverviewCalculator(dataProvider);
this._dataProvider = dataProvider;
this._overviewGrid.addEventListener(WebInspector.OverviewGrid.Events.WindowChanged, this._onWindowChanged, this);
}
WebInspector.CPUProfileFlameChart.OverviewPane.prototype = {
/**
* @override
* @param {number} windowStartTime
* @param {number} windowEndTime
*/
requestWindowTimes: function(windowStartTime, windowEndTime)
{
this._selectRange(windowStartTime, windowEndTime);
},
/**
* @override
* @param {number} startTime
* @param {number} endTime
*/
updateRangeSelection: function(startTime, endTime)
{
},
/**
* @param {number} timeLeft
* @param {number} timeRight
*/
_selectRange: function(timeLeft, timeRight)
{
var startTime = this._dataProvider.minimumBoundary();
var totalTime = this._dataProvider.totalTime();
this._overviewGrid.setWindow((timeLeft - startTime) / totalTime, (timeRight - startTime) / totalTime);
},
/**
* @param {!WebInspector.Event} event
*/
_onWindowChanged: function(event)
{
var startTime = this._dataProvider.minimumBoundary();
var totalTime = this._dataProvider.totalTime();
var data = {
windowTimeLeft: startTime + this._overviewGrid.windowLeft() * totalTime,
windowTimeRight: startTime + this._overviewGrid.windowRight() * totalTime
};
this.dispatchEventToListeners(WebInspector.OverviewGrid.Events.WindowChanged, data);
},
/**
* @return {?WebInspector.FlameChart.TimelineData}
*/
_timelineData: function()
{
return this._dataProvider.timelineData();
},
onResize: function()
{
this._scheduleUpdate();
},
_scheduleUpdate: function()
{
if (this._updateTimerId)
return;
this._updateTimerId = this.element.window().requestAnimationFrame(this.update.bind(this));
},
update: function()
{
this._updateTimerId = 0;
var timelineData = this._timelineData();
if (!timelineData)
return;
this._resetCanvas(this._overviewContainer.clientWidth, this._overviewContainer.clientHeight - WebInspector.FlameChart.DividersBarHeight);
this._overviewCalculator._updateBoundaries(this);
this._overviewGrid.updateDividers(this._overviewCalculator);
this._drawOverviewCanvas();
},
_drawOverviewCanvas: function()
{
var canvasWidth = this._overviewCanvas.width;
var canvasHeight = this._overviewCanvas.height;
var drawData = this._calculateDrawData(canvasWidth);
var context = this._overviewCanvas.getContext("2d");
var ratio = window.devicePixelRatio;
var offsetFromBottom = ratio;
var lineWidth = 1;
var yScaleFactor = canvasHeight / (this._dataProvider.maxStackDepth() * 1.1);
context.lineWidth = lineWidth;
context.translate(0.5, 0.5);
context.strokeStyle = "rgba(20,0,0,0.4)";
context.fillStyle = "rgba(214,225,254,0.8)";
context.moveTo(-lineWidth, canvasHeight + lineWidth);
context.lineTo(-lineWidth, Math.round(canvasHeight - drawData[0] * yScaleFactor - offsetFromBottom));
var value;
for (var x = 0; x < canvasWidth; ++x) {
value = Math.round(canvasHeight - drawData[x] * yScaleFactor - offsetFromBottom);
context.lineTo(x, value);
}
context.lineTo(canvasWidth + lineWidth, value);
context.lineTo(canvasWidth + lineWidth, canvasHeight + lineWidth);
context.fill();
context.stroke();
context.closePath();
},
/**
* @param {number} width
* @return {!Uint8Array}
*/
_calculateDrawData: function(width)
{
var dataProvider = this._dataProvider;
var timelineData = this._timelineData();
var entryStartTimes = timelineData.entryStartTimes;
var entryTotalTimes = timelineData.entryTotalTimes;
var entryLevels = timelineData.entryLevels;
var length = entryStartTimes.length;
var minimumBoundary = this._dataProvider.minimumBoundary();
var drawData = new Uint8Array(width);
var scaleFactor = width / dataProvider.totalTime();
for (var entryIndex = 0; entryIndex < length; ++entryIndex) {
var start = Math.floor((entryStartTimes[entryIndex] - minimumBoundary) * scaleFactor);
var finish = Math.floor((entryStartTimes[entryIndex] - minimumBoundary + entryTotalTimes[entryIndex]) * scaleFactor);
for (var x = start; x <= finish; ++x)
drawData[x] = Math.max(drawData[x], entryLevels[entryIndex] + 1);
}
return drawData;
},
/**
* @param {number} width
* @param {number} height
*/
_resetCanvas: function(width, height)
{
var ratio = window.devicePixelRatio;
this._overviewCanvas.width = width * ratio;
this._overviewCanvas.height = height * ratio;
this._overviewCanvas.style.width = width + "px";
this._overviewCanvas.style.height = height + "px";
},
__proto__: WebInspector.VBox.prototype
}