| <!DOCTYPE html> |
| <!-- |
| Copyright 2016 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/core/test_utils.html"> |
| <link rel="import" href="/tracing/metrics/system_health/cpu_time_metric.html"> |
| <link rel="import" href="/tracing/value/value_set.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.b.unittest.testSuite(function() { |
| function computeCpuTime(customizeModelCallback) { |
| var model = tr.c.TestUtils.newModel(function(model) { |
| customizeModelCallback(model); |
| }); |
| var values = new tr.v.ValueSet(); |
| tr.metrics.sh.cpuTimeMetric(values, model); |
| return tr.b.getOnlyElement(values).average; |
| } |
| |
| // There are two slices, each of length 50. The total bounds is 3000. |
| // This yields total CPU time of 100ms, averaged over 3 seconds is 33ms. |
| test('cpuTimeMetric_oneProcess', function() { |
| var sliceDuration = 50; |
| var totalDuration = 3000; |
| var value = computeCpuTime(function(model) { |
| model.rendererProcess = model.getOrCreateProcess(2); |
| model.rendererMain = model.rendererProcess.getOrCreateThread(3); |
| model.rendererMain.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({ |
| type: tr.model.ThreadSlice, |
| isTopLevel: true, |
| start: 0, |
| duration: sliceDuration, |
| cpuStart: 0, |
| cpuDuration: sliceDuration, |
| })); |
| model.rendererMain.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({ |
| type: tr.model.ThreadSlice, |
| isTopLevel: true, |
| start: totalDuration - sliceDuration, |
| duration: sliceDuration, |
| cpuStart: totalDuration - sliceDuration, |
| cpuDuration: sliceDuration, |
| })); |
| }); |
| assert.closeTo(value, 33.33, 0.1); |
| }); |
| |
| // Process 1: There are two slices, each of length 50. The total bounds is |
| // 3000. Process 2: There is one slice of length 50. |
| // This yields total CPU time of 150ms, averaged over 3 seconds is 50ms. |
| test('cpuTimeMetric_twoProcesses', function() { |
| var sliceDuration = 50; |
| var totalDuration = 3000; |
| var value = computeCpuTime(function(model) { |
| model.rendererProcess = model.getOrCreateProcess(2); |
| model.rendererMain = model.rendererProcess.getOrCreateThread(3); |
| model.rendererMain.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({ |
| type: tr.model.ThreadSlice, |
| isTopLevel: true, |
| start: 0, |
| duration: sliceDuration, |
| cpuStart: 0, |
| cpuDuration: sliceDuration, |
| })); |
| model.rendererMain.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({ |
| type: tr.model.ThreadSlice, |
| isTopLevel: true, |
| start: totalDuration - sliceDuration, |
| duration: sliceDuration, |
| cpuStart: totalDuration - sliceDuration, |
| cpuDuration: sliceDuration, |
| })); |
| |
| var otherProcess = model.getOrCreateProcess(3); |
| var otherThread = otherProcess.getOrCreateThread(4); |
| otherThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({ |
| type: tr.model.ThreadSlice, |
| isTopLevel: true, |
| start: 0, |
| duration: sliceDuration, |
| cpuStart: 0, |
| cpuDuration: sliceDuration, |
| })); |
| }); |
| assert.closeTo(value, 50.0, 0.1); |
| }); |
| }); |
| </script> |
