1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
<!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/extras/importer/trace_event_importer.html">
<link rel="import" href="/tracing/metrics/tracing_metric.html">
<link rel="import" href="/tracing/model/memory_dump_test_utils.html">
<link rel="import" href="/tracing/value/histogram_set.html">
<script>
'use strict';
tr.b.unittest.testSuite(function() {
function makeModel(events, opt_track) {
return tr.c.TestUtils.newModelWithEvents([events], {
trackDetailedModelStats: opt_track
});
}
function getEventStringSize(events, indices) {
return indices.reduce(function(sum, index) {
return sum + JSON.stringify(events[index]).length;
}, 0);
}
function checkDurationHistogram(histograms, metricName, expected) {
const histogram = histograms.getHistogramNamed(metricName);
assert.closeTo(1000 * histogram.average, expected, 0.1);
}
test('tracingMetric_hasEventSizesInBytes', function() {
const histograms = new tr.v.HistogramSet();
const events = [
{name: 'a', args: {}, pid: 52, ts: 524, cat: 'foo', tid: 53, ph: 'B'},
{name: 'a', args: {}, pid: 52, ts: 560, cat: 'foo', tid: 53, ph: 'B'}
];
const model = makeModel(JSON.stringify(events), true);
assert.isTrue(model.importOptions.trackDetailedModelStats);
tr.metrics.tracingMetric(histograms, model);
});
test('tracingMetric_totalTraceSize', function() {
const histograms = new tr.v.HistogramSet();
const events = [
{name: 'a', args: {}, pid: 52, ts: 524, cat: 'foo', tid: 53, ph: 'B'},
{name: 'a', args: {}, pid: 52, ts: 560, cat: 'foo', tid: 53, ph: 'B'}
];
const model = makeModel(JSON.stringify(events), true);
tr.metrics.tracingMetric(histograms, model);
const eventStringSize = getEventStringSize(events, [0, 1]);
const histogram = histograms.getHistogramNamed('trace_size');
assert.strictEqual(histogram.average, eventStringSize);
});
test('tracingMetric_maxValuePerSec', function() {
const ONE_SEC_IN_US = 1000000;
const events = [
{name: 'a', pid: 52, ts: 1, cat: 'foo', ph: 'B'},
{name: 'a', pid: 52, ts: ONE_SEC_IN_US + 1, cat: 'foo', ph: 'B'},
{name: 'a', pid: 52, ts: 2 * ONE_SEC_IN_US + 1, cat: 'foo', ph: 'B'},
{name: 'a', pid: 52, ts: 2 * ONE_SEC_IN_US + 3, cat: 'foo', ph: 'B'},
{name: 'a', pid: 52, ts: ONE_SEC_IN_US + 2, cat: 'foo', ph: 'B'},
{name: 'a', pid: 52, ts: 2 * ONE_SEC_IN_US + 2, cat: 'foo', ph: 'B'}
];
const model = makeModel(JSON.stringify(events), true);
const histograms = new tr.v.HistogramSet();
tr.metrics.tracingMetric(histograms, model);
const maxEventCountPerSec = 3;
let histogram = histograms.getHistogramNamed('peak_event_rate');
assert.strictEqual(histogram.average, maxEventCountPerSec);
const maxEventBytesPerSec = getEventStringSize(events, [2, 3, 5]);
histogram = histograms.getHistogramNamed('peak_event_size_rate');
assert.strictEqual(histogram.average, maxEventBytesPerSec);
});
test('tracingMetric_diagnostics', function() {
const histograms = new tr.v.HistogramSet();
const events = [
{name: 'a', args: {}, pid: 52, ts: 524, cat: 'foo', tid: 53, ph: 'B'},
{name: 'a', args: {}, pid: 52, ts: 535, cat: 'foo', tid: 53, ph: 'B'},
{name: 'bb', args: {}, pid: 52, ts: 546, cat: 'bar', tid: 53, ph: 'E'},
{name: 'a', args: {}, pid: 52, ts: 560, cat: 'foo', tid: 53, ph: 'B'},
{name: 'bb', args: {}, pid: 52, ts: 578, cat: 'bar', tid: 53, ph: 'E'}
];
const model = makeModel(JSON.stringify(events), true);
tr.metrics.tracingMetric(histograms, model);
const DIAGNOSTIC_HISTOGRAMS = [
'Max number of events per second',
'Max event size in bytes per second',
'Total trace size in bytes'
];
for (const histogram of histograms) {
if (!DIAGNOSTIC_HISTOGRAMS.includes(histogram.name)) continue;
const d = histogram.diagnostics.get('category_with_max_event_size').value;
assert.strictEqual(d.name, 'foo');
assert.strictEqual(d.size_in_bytes, getEventStringSize(
events, [0, 1, 3]));
}
});
test('tracingMetric_memoryInfraTracingMetrics', function() {
const MEMORY_INFRA_TRACING_CATEGORY =
tr.metrics.MEMORY_INFRA_TRACING_CATEGORY;
const histograms = new tr.v.HistogramSet();
const events = [
{name: 'OnMemoryDump', pid: 1, ts: 510, tid: 1, ph: 'X', cat: MEMORY_INFRA_TRACING_CATEGORY, args: {'dump_provider.name': 'mdp1'}, dur: 4}, // @suppress longLineCheck
{name: 'OnMemoryDump', pid: 1, ts: 520, tid: 7, ph: 'X', cat: MEMORY_INFRA_TRACING_CATEGORY, args: {'dump_provider.name': 'mdp2'}, dur: 15}, // @suppress longLineCheck
{name: 'OnMemoryDump', pid: 1, ts: 530, tid: 7, ph: 'X', cat: MEMORY_INFRA_TRACING_CATEGORY, args: {'dump_provider.name': 'mdp3'}, dur: 5}, // @suppress longLineCheck
{name: 'OnMemoryDump', pid: 2, ts: 510, tid: 2, ph: 'X', cat: MEMORY_INFRA_TRACING_CATEGORY, args: {'dump_provider.name': 'mdp1'}, dur: 9}, // @suppress longLineCheck
{name: 'OnMemoryDump', pid: 2, ts: 520, tid: 8, ph: 'X', cat: MEMORY_INFRA_TRACING_CATEGORY, args: {'dump_provider.name': 'mdp2'}, dur: 17}, // @suppress longLineCheck
{name: 'OnMemoryDump', pid: 2, ts: 530, tid: 8, ph: 'X', cat: MEMORY_INFRA_TRACING_CATEGORY, args: {'dump_provider.name': 'mdp3'}, dur: 7}, // @suppress longLineCheck
{name: 'OnMemoryDump', pid: 2, ts: 540, tid: 3, ph: 'X', cat: MEMORY_INFRA_TRACING_CATEGORY, args: {'dump_provider.name': 'mdp4'}, dur: 8}, // @suppress longLineCheck
{name: 'ProcessDumps', pid: 1, ts: 550, tid: 1, ph: 'X', cat: MEMORY_INFRA_TRACING_CATEGORY, args: {guid: 4}, dur: 8}, // @suppress longLineCheck
{name: 'ProcessDumps', pid: 2, ts: 540, tid: 2, ph: 'X', cat: MEMORY_INFRA_TRACING_CATEGORY, args: {guid: 4}, dur: 18}, // @suppress longLineCheck
{name: 'thread_name', pid: 1, ts: 0, tid: 1, ph: 'M', cat: '__metadata', args: {name: 'CrBrowsermain'}}, // @suppress longLineCheck
{name: 'thread_name', pid: 1, ts: 0, tid: 7, ph: 'M', cat: '__metadata', args: {name: 'MemoryInfra'}}, // @suppress longLineCheck
{name: 'thread_name', pid: 2, ts: 0, tid: 2, ph: 'M', cat: '__metadata', args: {name: 'CrRendererMain'}}, // @suppress longLineCheck
{name: 'thread_name', pid: 2, ts: 0, tid: 8, ph: 'M', cat: '__metadata', args: {name: 'MemoryInfra'}}, // @suppress longLineCheck
{name: 'thread_name', pid: 2, ts: 0, tid: 3, ph: 'M', cat: '__metadata', args: {name: 'Compositor'}} // @suppress longLineCheck
];
const model = makeModel(JSON.stringify(events), true);
tr.model.MemoryDumpTestUtils.addGlobalMemoryDump(model, {ts: 550});
tr.metrics.tracingMetric(histograms, model);
const memoryCategorySize = events.filter(
slice => slice.cat === MEMORY_INFRA_TRACING_CATEGORY).reduce(
(acc, slice) => acc + JSON.stringify(slice).length, 0);
const totalSizeHistogram = histograms.getHistogramNamed(
'total_memory_dump_size');
assert.strictEqual(totalSizeHistogram.average, memoryCategorySize);
const sizePerDumpHistogram = histograms.getHistogramNamed(
'memory_dump_size');
assert.strictEqual(sizePerDumpHistogram.average, memoryCategorySize);
checkDurationHistogram(histograms, 'mdp1_memory_dump_cpu_overhead', 6.5);
checkDurationHistogram(histograms, 'mdp2_memory_dump_cpu_overhead', 16);
checkDurationHistogram(histograms, 'mdp3_memory_dump_cpu_overhead', 6);
checkDurationHistogram(histograms, 'mdp4_memory_dump_cpu_overhead', 8);
checkDurationHistogram(
histograms, 'nonmemory_thread_memory_dump_cpu_overhead', 47);
checkDurationHistogram(histograms, 'memory_dump_cpu_overhead', 91);
});
test('tracingMetric_traceImportDurationMetricWithoutTrackDetailedModelStats',
function() {
const histograms = new tr.v.HistogramSet();
const events = [
{name: 'a', args: {}, pid: 52, ts: 524, cat: 'foo', tid: 53, ph: 'B'},
{name: 'a', args: {}, pid: 52, ts: 560, cat: 'foo', tid: 53, ph: 'B'}
];
const model = makeModel(JSON.stringify(events), false);
assert.isFalse(model.importOptions.trackDetailedModelStats);
tr.metrics.tracingMetric(histograms, model);
});
});
</script>
|