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|
<!DOCTYPE html>
<!--
Copyright (c) 2013 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<link rel="import" href="/tracing/base/iteration_helpers.html">
<link rel="import" href="/tracing/base/statistics.html">
<link rel="import" href="/tracing/model/event_set.html">
<link rel="import" href="/tracing/ui/base/dom_helpers.html">
<link rel="import" href="/tracing/ui/base/pie_chart.html">
<link rel="import" href="/tracing/ui/side_panel/side_panel.html">
<link rel="import" href="/tracing/value/ui/scalar_span.html">
<link rel="import" href="/tracing/value/unit.html">
<polymer-element name="tr-ui-e-s-time-summary-side-panel"
extends="tr-ui-side-panel">
<template>
<style>
:host {
flex-direction: column;
display: flex;
}
toolbar {
flex: 0 0 auto;
border-bottom: 1px solid black;
display: flex;
}
result-area {
flex: 1 1 auto;
display: block;
min-height: 0;
overflow-y: auto;
}
</style>
<toolbar id='toolbar'></toolbar>
<result-area id='result_area'></result-area>
</template>
<script>
'use strict';
(function() {
var GROUP_BY_PROCESS_NAME = 'process';
var GROUP_BY_THREAD_NAME = 'thread';
var WALL_TIME_GROUPING_UNIT = 'Wall time';
var CPU_TIME_GROUPING_UNIT = 'CPU time';
/**
* @constructor
*/
function ResultsForGroup(model, name) {
this.model = model;
this.name = name;
this.topLevelSlices = [];
this.allSlices = [];
}
ResultsForGroup.prototype = {
get wallTime() {
var wallSum = tr.b.Statistics.sum(
this.topLevelSlices, function(x) { return x.duration; });
return wallSum;
},
get cpuTime() {
var cpuDuration = 0;
for (var i = 0; i < this.topLevelSlices.length; i++) {
var x = this.topLevelSlices[i];
// Only report thread-duration if we have it for all events.
//
// A thread_duration of 0 is valid, so this only returns 0 if it is
// None.
if (x.cpuDuration === undefined) {
if (x.duration === undefined)
continue;
return 0;
}
cpuDuration += x.cpuDuration;
}
return cpuDuration;
},
appendGroupContents: function(group) {
if (group.model != this.model)
throw new Error('Models must be the same');
group.allSlices.forEach(function(slice) {
this.allSlices.push(slice);
}, this);
group.topLevelSlices.forEach(function(slice) {
this.topLevelSlices.push(slice);
}, this);
},
appendThreadSlices: function(rangeOfInterest, thread) {
var tmp = this.getSlicesIntersectingRange(
rangeOfInterest, thread.sliceGroup.slices);
tmp.forEach(function(slice) {
this.allSlices.push(slice);
}, this);
tmp = this.getSlicesIntersectingRange(
rangeOfInterest, thread.sliceGroup.topLevelSlices);
tmp.forEach(function(slice) {
this.topLevelSlices.push(slice);
}, this);
},
getSlicesIntersectingRange: function(rangeOfInterest, slices) {
var slicesInFilterRange = [];
for (var i = 0; i < slices.length; i++) {
var slice = slices[i];
if (rangeOfInterest.intersectsExplicitRangeInclusive(
slice.start, slice.end))
slicesInFilterRange.push(slice);
}
return slicesInFilterRange;
}
};
Polymer({
ready: function() {
this.rangeOfInterest_ = new tr.b.Range();
this.selection_ = undefined;
this.groupBy_ = GROUP_BY_PROCESS_NAME;
this.groupingUnit_ = CPU_TIME_GROUPING_UNIT;
this.showCpuIdleTime_ = true;
this.chart_ = undefined;
var toolbarEl = this.$.toolbar;
this.groupBySelector_ = tr.ui.b.createSelector(
this, 'groupBy',
'timeSummarySidePanel.groupBy', this.groupBy_,
[{label: 'Group by process', value: GROUP_BY_PROCESS_NAME},
{label: 'Group by thread', value: GROUP_BY_THREAD_NAME}
]);
toolbarEl.appendChild(this.groupBySelector_);
this.groupingUnitSelector_ = tr.ui.b.createSelector(
this, 'groupingUnit',
'timeSummarySidePanel.groupingUnit', this.groupingUnit_,
[{label: 'Wall time', value: WALL_TIME_GROUPING_UNIT},
{label: 'CPU time', value: CPU_TIME_GROUPING_UNIT}
]);
toolbarEl.appendChild(this.groupingUnitSelector_);
this.showCpuIdleTimeCheckbox_ = tr.ui.b.createCheckBox(
this, 'showCpuIdleTime',
'timeSummarySidePanel.showCpuIdleTime', this.showCpuIdleTime_,
'Show CPU idle time');
toolbarEl.appendChild(this.showCpuIdleTimeCheckbox_);
this.updateShowCpuIdleTimeCheckboxVisibility_();
},
/**
* This function takes an array of groups and merges smaller groups into
* the provided 'Other' group item such that the remaining items are ready
* for pie-chart consumption. Otherwise, the pie chart gets overwhelmed
* with tons of little slices.
*/
trimPieChartData: function(groups, otherGroup, getValue, opt_extraValue) {
// Copy the array so it can be mutated.
groups = groups.filter(function(d) {
return getValue(d) != 0;
});
// Figure out total array range.
var sum = tr.b.Statistics.sum(groups, getValue);
if (opt_extraValue !== undefined)
sum += opt_extraValue;
// Sort by value.
function compareByValue(a, b) {
return getValue(a) - getValue(b);
}
groups.sort(compareByValue);
// Now start fusing elements until none are less than threshold in size.
var thresshold = 0.1 * sum;
while (groups.length > 1) {
var group = groups[0];
if (getValue(group) >= thresshold)
break;
var v = getValue(group);
if (v + getValue(otherGroup) > thresshold)
break;
// Remove the group from the list and add it to the 'Other' group.
groups.splice(0, 1);
otherGroup.appendGroupContents(group);
}
// Final return.
if (getValue(otherGroup) > 0)
groups.push(otherGroup);
groups.sort(compareByValue);
return groups;
},
generateResultsForGroup: function(model, name) {
return new ResultsForGroup(model, name);
},
createPieChartFromResultGroups: function(
groups, title, getValue, opt_extraData) {
var chart = new tr.ui.b.PieChart();
function pushDataForGroup(data, resultsForGroup, value) {
data.push({
label: resultsForGroup.name,
value: value,
valueText: tr.v.Unit.byName.timeDurationInMs.format(value),
resultsForGroup: resultsForGroup
});
}
chart.addEventListener('item-click', function(clickEvent) {
var resultsForGroup = clickEvent.data.resultsForGroup;
if (resultsForGroup === undefined)
return;
var event = new tr.model.RequestSelectionChangeEvent();
event.selection = new tr.model.EventSet(resultsForGroup.allSlices);
event.selection.timeSummaryGroupName = resultsForGroup.name;
chart.dispatchEvent(event);
});
// Build chart data.
var data = [];
groups.forEach(function(resultsForGroup) {
var value = getValue(resultsForGroup);
if (value === 0)
return;
pushDataForGroup(data, resultsForGroup, value);
});
if (opt_extraData)
data.push.apply(data, opt_extraData);
chart.chartTitle = title;
chart.data = data;
return chart;
},
get model() {
return this.model_;
},
set model(model) {
this.model_ = model;
this.updateContents_();
},
get groupBy() {
return groupBy_;
},
set groupBy(groupBy) {
this.groupBy_ = groupBy;
if (this.groupBySelector_)
this.groupBySelector_.selectedValue = groupBy;
this.updateContents_();
},
get groupingUnit() {
return groupingUnit_;
},
set groupingUnit(groupingUnit) {
this.groupingUnit_ = groupingUnit;
if (this.groupingUnitSelector_)
this.groupingUnitSelector_.selectedValue = groupingUnit;
this.updateShowCpuIdleTimeCheckboxVisibility_();
this.updateContents_();
},
get showCpuIdleTime() {
return this.showCpuIdleTime_;
},
set showCpuIdleTime(showCpuIdleTime) {
this.showCpuIdleTime_ = showCpuIdleTime;
if (this.showCpuIdleTimeCheckbox_)
this.showCpuIdleTimeCheckbox_.checked = showCpuIdleTime;
this.updateContents_();
},
updateShowCpuIdleTimeCheckboxVisibility_: function() {
if (!this.showCpuIdleTimeCheckbox_)
return;
var visible = this.groupingUnit_ == CPU_TIME_GROUPING_UNIT;
if (visible)
this.showCpuIdleTimeCheckbox_.style.display = '';
else
this.showCpuIdleTimeCheckbox_.style.display = 'none';
},
getGroupNameForThread_: function(thread) {
if (this.groupBy_ == GROUP_BY_THREAD_NAME)
return thread.name ? thread.name : thread.userFriendlyName;
if (this.groupBy_ == GROUP_BY_PROCESS_NAME)
return thread.parent.userFriendlyName;
},
updateContents_: function() {
var resultArea = this.$.result_area;
this.chart_ = undefined;
resultArea.textContent = '';
if (this.model_ === undefined)
return;
var rangeOfInterest;
if (this.rangeOfInterest_.isEmpty)
rangeOfInterest = this.model_.bounds;
else
rangeOfInterest = this.rangeOfInterest_;
var allGroup = this.generateResultsForGroup(this.model_, 'all');
var resultsByGroupName = {};
this.model_.getAllThreads().forEach(function(thread) {
var groupName = this.getGroupNameForThread_(thread);
if (resultsByGroupName[groupName] === undefined) {
resultsByGroupName[groupName] = this.generateResultsForGroup(
this.model_, groupName);
}
resultsByGroupName[groupName].appendThreadSlices(
rangeOfInterest, thread);
allGroup.appendThreadSlices(rangeOfInterest, thread);
}, this);
// Helper function for working with the produced group.
var getValueFromGroup = function(group) {
if (this.groupingUnit_ == WALL_TIME_GROUPING_UNIT)
return group.wallTime;
return group.cpuTime;
}.bind(this);
// Create summary.
var summaryText = document.createElement('div');
summaryText.appendChild(tr.ui.b.createSpan({
textContent: 'Total ' + this.groupingUnit_ + ': ',
bold: true}));
summaryText.appendChild(tr.v.ui.createScalarSpan(
getValueFromGroup(allGroup), {
unit: tr.v.Unit.byName.timeDurationInMs,
ownerDocument: this.ownerDocument
}));
resultArea.appendChild(summaryText);
// If needed, add in the idle time.
var extraValue = 0;
var extraData = [];
if (this.showCpuIdleTime_ &&
this.groupingUnit_ === CPU_TIME_GROUPING_UNIT &&
this.model.kernel.bestGuessAtCpuCount !== undefined) {
var maxCpuTime = rangeOfInterest.range *
this.model.kernel.bestGuessAtCpuCount;
var idleTime = Math.max(0, maxCpuTime - allGroup.cpuTime);
extraData.push({
label: 'CPU Idle',
value: idleTime,
valueText: tr.v.Unit.byName.timeDurationInMs.format(idleTime)
});
extraValue += idleTime;
}
// Create the actual chart.
var otherGroup = this.generateResultsForGroup(this.model_, 'Other');
var groups = this.trimPieChartData(
tr.b.dictionaryValues(resultsByGroupName),
otherGroup,
getValueFromGroup,
extraValue);
if (groups.length == 0) {
resultArea.appendChild(tr.ui.b.createSpan({textContent: 'No data'}));
return undefined;
}
this.chart_ = this.createPieChartFromResultGroups(
groups,
this.groupingUnit_ + ' breakdown by ' + this.groupBy_,
getValueFromGroup, extraData);
resultArea.appendChild(this.chart_);
this.chart_.addEventListener('click', function() {
var event = new tr.model.RequestSelectionChangeEvent();
event.selection = new tr.c.EventSet([]);
this.dispatchEvent(event);
});
this.chart_.setSize(this.chart_.getMinSize());
},
get selection() {
return selection_;
},
set selection(selection) {
this.selection_ = selection;
if (this.chart_ === undefined)
return;
if (selection.timeSummaryGroupName)
this.chart_.highlightedLegendKey = selection.timeSummaryGroupName;
else
this.chart_.highlightedLegendKey = undefined;
},
get rangeOfInterest() {
return this.rangeOfInterest_;
},
set rangeOfInterest(rangeOfInterest) {
this.rangeOfInterest_ = rangeOfInterest;
this.updateContents_();
},
supportsModel: function(model) {
return {
supported: false
};
},
get textLabel() {
return 'Time Summary';
}
});
}());
</script>
</polymer-element>
|
