| <!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/clock_sync_latency_metric.html"> |
| <link rel="import" href="/tracing/model/model.html"> |
| <link rel="import" href="/tracing/value/histogram_set.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.b.unittest.testSuite(function() { |
| test('clockSyncLatencyMetric', function() { |
| const model = new tr.Model(); |
| model.clockSyncManager.addClockSyncMarker( |
| tr.model.ClockDomainId.TELEMETRY, 'ID01', 1.0, 4.0); |
| model.clockSyncManager.addClockSyncMarker( |
| tr.model.ClockDomainId.TELEMETRY, 'ID02', 2.0, 8.0); |
| model.clockSyncManager.addClockSyncMarker( |
| tr.model.ClockDomainId.BATTOR, 'ID01', 2.5); |
| model.clockSyncManager.addClockSyncMarker( |
| tr.model.ClockDomainId.WIN_QPC, 'ID02', 5.0); |
| |
| const battorToWinQpcName = 'clock_sync_latency_' + |
| tr.model.ClockDomainId.BATTOR.toLowerCase() + '_to_' + |
| tr.model.ClockDomainId.WIN_QPC.toLowerCase(); |
| const winQpcToTelemetryName = 'clock_sync_latency_' + |
| tr.model.ClockDomainId.TELEMETRY.toLowerCase() + '_to_' + |
| tr.model.ClockDomainId.WIN_QPC.toLowerCase(); |
| const battorToTelemetryName = 'clock_sync_latency_' + |
| tr.model.ClockDomainId.BATTOR.toLowerCase() + '_to_' + |
| tr.model.ClockDomainId.TELEMETRY.toLowerCase(); |
| |
| const histograms = new tr.v.HistogramSet(); |
| tr.metrics.sh.clockSyncLatencyMetric(histograms, model); |
| |
| let battorToWinQpcValue = undefined; |
| let winQpcToTelemetryValue = undefined; |
| let battorToTelemetryValue = undefined; |
| for (const value of histograms) { |
| if (value.name === battorToWinQpcName) { |
| battorToWinQpcValue = value; |
| } else if (value.name === winQpcToTelemetryName) { |
| winQpcToTelemetryValue = value; |
| } else if (value.name === battorToTelemetryName) { |
| battorToTelemetryValue = value; |
| } |
| } |
| |
| // Clock sync graph is: |
| // [WIN_QPC] --6ms-> [TELEMETRY] --3ms-> [BATTOR] |
| |
| assert.isDefined(battorToWinQpcValue); |
| assert.isDefined(winQpcToTelemetryValue); |
| assert.isDefined(battorToTelemetryValue); |
| assert.closeTo(battorToWinQpcValue.average, 9.0, 1e-5); |
| assert.closeTo(winQpcToTelemetryValue.average, 6.0, 1e-5); |
| assert.closeTo(battorToTelemetryValue.average, 3.0, 1e-5); |
| }); |
| }); |
| </script> |
