tracing/tracing/metrics/system_health/new_cpu_time_metric_test.html - catapult - Git at Google

 <!DOCTYPE html>
 <!--
 Copyright 2017 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/multi_dimensional_view.html">
 <link rel="import" href="/tracing/core/test_utils.html">
 <link rel="import" href="/tracing/metrics/system_health/new_cpu_time_metric.html">
 <link rel="import" href="/tracing/value/histogram_set.html">

 <script>
 'use strict';

 tr.b.unittest.testSuite(function() {
   const cpuTimeMetric = tr.metrics.sh.newCpuTimeMetric;
   const CHROME_PROCESS_NAMES =
       tr.e.chrome.chrome_processes.CHROME_PROCESS_NAMES;

   test('cpuTimeMetric_customRangeOfInterest', () => {
     const model = tr.c.TestUtils.newModel(model => {
       const process = model.getOrCreateProcess(1);
       process.name = 'Browser';
       const thread = process.getOrCreateThread(1);
       thread.name = 'CrBrowserMain';

       // Slice from 0 to 50.
       thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
         type: tr.model.ThreadSlice,
         isTopLevel: true,
         start: 0,
         duration: 50,
         cpuStart: 0,
         cpuDuration: 25
       }));

       // Slice from 300 to 350.
       thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
         type: tr.model.ThreadSlice,
         isTopLevel: true,
         start: 300,
         duration: 50,
         cpuStart: 100,
         cpuDuration: 25
       }));
     });

     const metricNameSuffix = CHROME_PROCESS_NAMES.BROWSER +
         ':CrBrowserMain:all_stages:all_initiators';
     const rangeOfInterest = new tr.b.math.Range.fromExplicitRange(0, 200);
     const histograms = new tr.v.HistogramSet();
     cpuTimeMetric(histograms, model, {rangeOfInterest});

     const cpuPercentageHistogram = histograms.getHistogramNamed(
         'cpuPercentage:' + metricNameSuffix);
     const cpuTimeHistogram = histograms.getHistogramNamed(
         'cpuTime:' + metricNameSuffix);

     // Histograms exist.
     assert.isDefined(cpuPercentageHistogram);
     assert.isDefined(cpuTimeHistogram);

     // Each histogram contains a single sample.
     assert.strictEqual(cpuPercentageHistogram.running.count, 1);
     assert.strictEqual(cpuTimeHistogram.running.count, 1);

     // Assert histogram sample value is correct:
     // rangeOfInterest only contains the first slice (with a CPU time of 25),
     // and total duration of the range is 200.
     assert.closeTo(cpuPercentageHistogram.sum, 25 / 200, 1e-7);
     assert.closeTo(cpuTimeHistogram.sum, 25, 1e-7);
   });

   test('cpuTimeMetric_rangeOfInterestBeyondModelBounds', () => {
     const model = tr.c.TestUtils.newModel(model => {
       const process = model.getOrCreateProcess(1);
       process.name = 'Browser';
       const thread = process.getOrCreateThread(1);
       thread.name = 'CrBrowserMain';

       // Slice from 0 to 50.
       thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
         type: tr.model.ThreadSlice,
         isTopLevel: true,
         start: 0,
         duration: 50,
         cpuStart: 0,
         cpuDuration: 25
       }));

       // Slice from 300 to 350.
       thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
         type: tr.model.ThreadSlice,
         isTopLevel: true,
         start: 300,
         duration: 50,
         cpuStart: 100,
         cpuDuration: 25
       }));
     });

     const metricNameSuffix = CHROME_PROCESS_NAMES.BROWSER +
         ':CrBrowserMain:all_stages:all_initiators';
     const rangeOfInterest = new tr.b.math.Range.fromExplicitRange(-100, 200);
     const histograms = new tr.v.HistogramSet();
     cpuTimeMetric(histograms, model, {rangeOfInterest});

     const cpuPercentageHistogram = histograms.getHistogramNamed(
         'cpuPercentage:' + metricNameSuffix);
     const cpuTimeHistogram = histograms.getHistogramNamed(
         'cpuTime:' + metricNameSuffix);

     // Histograms exist.
     assert.isDefined(cpuPercentageHistogram);
     assert.isDefined(cpuTimeHistogram);

     // Each histogram contains a single sample.
     assert.strictEqual(cpuPercentageHistogram.running.count, 1);
     assert.strictEqual(cpuTimeHistogram.running.count, 1);

     // Assert histogram sample value is correct:
     // model.bounds is [0, 350] here. If rangeOfInterest is beyond these bounds,
     // the effective range for calculating total duration for cpuPercentage is
     // the intersection of rangeOfInterest and model.bounds, which is [0, 200]
     // here. rangeOfInterest only contains the first slice, with a CPU time of
     // 25, and the total effective duration is 200, not 300.
     assert.closeTo(cpuPercentageHistogram.sum, 25 / 200, 1e-7);
     assert.closeTo(cpuTimeHistogram.sum, 25, 1e-7);
   });

   test('cpuTimeMetric_defaultRangeOfInterest', () => {
     const model = tr.c.TestUtils.newModel(model => {
       const process = model.getOrCreateProcess(1);
       process.name = 'Browser';
       const thread = process.getOrCreateThread(1);
       thread.name = 'CrBrowserMain';

       // Slice from 0 to 50.
       thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
         type: tr.model.ThreadSlice,
         isTopLevel: true,
         start: 0,
         duration: 50,
         cpuStart: 0,
         cpuDuration: 25
       }));

       // Slice from 300 to 350.
       thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
         type: tr.model.ThreadSlice,
         isTopLevel: true,
         start: 300,
         duration: 50,
         cpuStart: 100,
         cpuDuration: 25
       }));
     });

     const metricNameSuffix = CHROME_PROCESS_NAMES.BROWSER +
         ':CrBrowserMain:all_stages:all_initiators';
     const histograms = new tr.v.HistogramSet();
     cpuTimeMetric(histograms, model);

     const cpuPercentageHistogram = histograms.getHistogramNamed(
         'cpuPercentage:' + metricNameSuffix);
     const cpuTimeHistogram = histograms.getHistogramNamed(
         'cpuTime:' + metricNameSuffix);

     // Histograms exist.
     assert.isDefined(cpuPercentageHistogram);
     assert.isDefined(cpuTimeHistogram);

     // Each histogram contains a single sample.
     assert.strictEqual(cpuPercentageHistogram.running.count, 1);
     assert.strictEqual(cpuTimeHistogram.running.count, 1);

     // Assert histogram sample value is correct:
     // When no custom rangeOfInterest is set, the effective range for
     // calculating CPU usage should be model.bounds, which is [0, 350] here.
     // Total CPU time is 25 + 25 from the two slices.
     assert.closeTo(cpuPercentageHistogram.sum, (25 + 25) / 350, 1e-7);
     assert.closeTo(cpuTimeHistogram.sum, 25 + 25, 1e-7);
   });
 });
 </script>
	<!DOCTYPE html>
	<!--
	Copyright 2017 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/multi_dimensional_view.html">
	<link rel="import" href="/tracing/core/test_utils.html">
	<link rel="import" href="/tracing/metrics/system_health/new_cpu_time_metric.html">
	<link rel="import" href="/tracing/value/histogram_set.html">

	<script>
	'use strict';

	tr.b.unittest.testSuite(function() {
	const cpuTimeMetric = tr.metrics.sh.newCpuTimeMetric;
	const CHROME_PROCESS_NAMES =
	tr.e.chrome.chrome_processes.CHROME_PROCESS_NAMES;

	test('cpuTimeMetric_customRangeOfInterest', () => {
	const model = tr.c.TestUtils.newModel(model => {
	const process = model.getOrCreateProcess(1);
	process.name = 'Browser';
	const thread = process.getOrCreateThread(1);
	thread.name = 'CrBrowserMain';

	// Slice from 0 to 50.
	thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
	type: tr.model.ThreadSlice,
	isTopLevel: true,
	start: 0,
	duration: 50,
	cpuStart: 0,
	cpuDuration: 25
	}));

	// Slice from 300 to 350.
	thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
	type: tr.model.ThreadSlice,
	isTopLevel: true,
	start: 300,
	duration: 50,
	cpuStart: 100,
	cpuDuration: 25
	}));
	});

	const metricNameSuffix = CHROME_PROCESS_NAMES.BROWSER +
	':CrBrowserMain:all_stages:all_initiators';
	const rangeOfInterest = new tr.b.math.Range.fromExplicitRange(0, 200);
	const histograms = new tr.v.HistogramSet();
	cpuTimeMetric(histograms, model, {rangeOfInterest});

	const cpuPercentageHistogram = histograms.getHistogramNamed(
	'cpuPercentage:' + metricNameSuffix);
	const cpuTimeHistogram = histograms.getHistogramNamed(
	'cpuTime:' + metricNameSuffix);

	// Histograms exist.
	assert.isDefined(cpuPercentageHistogram);
	assert.isDefined(cpuTimeHistogram);

	// Each histogram contains a single sample.
	assert.strictEqual(cpuPercentageHistogram.running.count, 1);
	assert.strictEqual(cpuTimeHistogram.running.count, 1);

	// Assert histogram sample value is correct:
	// rangeOfInterest only contains the first slice (with a CPU time of 25),
	// and total duration of the range is 200.
	assert.closeTo(cpuPercentageHistogram.sum, 25 / 200, 1e-7);
	assert.closeTo(cpuTimeHistogram.sum, 25, 1e-7);
	});

	test('cpuTimeMetric_rangeOfInterestBeyondModelBounds', () => {
	const model = tr.c.TestUtils.newModel(model => {
	const process = model.getOrCreateProcess(1);
	process.name = 'Browser';
	const thread = process.getOrCreateThread(1);
	thread.name = 'CrBrowserMain';

	// Slice from 0 to 50.
	thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
	type: tr.model.ThreadSlice,
	isTopLevel: true,
	start: 0,
	duration: 50,
	cpuStart: 0,
	cpuDuration: 25
	}));

	// Slice from 300 to 350.
	thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
	type: tr.model.ThreadSlice,
	isTopLevel: true,
	start: 300,
	duration: 50,
	cpuStart: 100,
	cpuDuration: 25
	}));
	});

	const metricNameSuffix = CHROME_PROCESS_NAMES.BROWSER +
	':CrBrowserMain:all_stages:all_initiators';
	const rangeOfInterest = new tr.b.math.Range.fromExplicitRange(-100, 200);
	const histograms = new tr.v.HistogramSet();
	cpuTimeMetric(histograms, model, {rangeOfInterest});

	const cpuPercentageHistogram = histograms.getHistogramNamed(
	'cpuPercentage:' + metricNameSuffix);
	const cpuTimeHistogram = histograms.getHistogramNamed(
	'cpuTime:' + metricNameSuffix);

	// Histograms exist.
	assert.isDefined(cpuPercentageHistogram);
	assert.isDefined(cpuTimeHistogram);

	// Each histogram contains a single sample.
	assert.strictEqual(cpuPercentageHistogram.running.count, 1);
	assert.strictEqual(cpuTimeHistogram.running.count, 1);

	// Assert histogram sample value is correct:
	// model.bounds is [0, 350] here. If rangeOfInterest is beyond these bounds,
	// the effective range for calculating total duration for cpuPercentage is
	// the intersection of rangeOfInterest and model.bounds, which is [0, 200]
	// here. rangeOfInterest only contains the first slice, with a CPU time of
	// 25, and the total effective duration is 200, not 300.
	assert.closeTo(cpuPercentageHistogram.sum, 25 / 200, 1e-7);
	assert.closeTo(cpuTimeHistogram.sum, 25, 1e-7);
	});

	test('cpuTimeMetric_defaultRangeOfInterest', () => {
	const model = tr.c.TestUtils.newModel(model => {
	const process = model.getOrCreateProcess(1);
	process.name = 'Browser';
	const thread = process.getOrCreateThread(1);
	thread.name = 'CrBrowserMain';

	// Slice from 0 to 50.
	thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
	type: tr.model.ThreadSlice,
	isTopLevel: true,
	start: 0,
	duration: 50,
	cpuStart: 0,
	cpuDuration: 25
	}));

	// Slice from 300 to 350.
	thread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
	type: tr.model.ThreadSlice,
	isTopLevel: true,
	start: 300,
	duration: 50,
	cpuStart: 100,
	cpuDuration: 25
	}));
	});

	const metricNameSuffix = CHROME_PROCESS_NAMES.BROWSER +
	':CrBrowserMain:all_stages:all_initiators';
	const histograms = new tr.v.HistogramSet();
	cpuTimeMetric(histograms, model);

	const cpuPercentageHistogram = histograms.getHistogramNamed(
	'cpuPercentage:' + metricNameSuffix);
	const cpuTimeHistogram = histograms.getHistogramNamed(
	'cpuTime:' + metricNameSuffix);

	// Histograms exist.
	assert.isDefined(cpuPercentageHistogram);
	assert.isDefined(cpuTimeHistogram);

	// Each histogram contains a single sample.
	assert.strictEqual(cpuPercentageHistogram.running.count, 1);
	assert.strictEqual(cpuTimeHistogram.running.count, 1);

	// Assert histogram sample value is correct:
	// When no custom rangeOfInterest is set, the effective range for
	// calculating CPU usage should be model.bounds, which is [0, 350] here.
	// Total CPU time is 25 + 25 from the two slices.
	assert.closeTo(cpuPercentageHistogram.sum, (25 + 25) / 350, 1e-7);
	assert.closeTo(cpuTimeHistogram.sum, 25 + 25, 1e-7);
	});
	});
	</script>