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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "GeckoProfiler.h"
#include "mozilla/Maybe.h"
#include "nsPrintfCString.h"
#include "public/GeckoTraceEvent.h"
using namespace mozilla;
using webrtc::trace_event_internal::TraceValueUnion;
void uprofiler_register_thread(const char* name, void* stacktop) {
#ifdef MOZ_GECKO_PROFILER
profiler_register_thread(name, stacktop);
#endif // MOZ_GECKO_PROFILER
}
void uprofiler_unregister_thread() {
#ifdef MOZ_GECKO_PROFILER
profiler_unregister_thread();
#endif // MOZ_GECKO_PROFILER
}
#ifdef MOZ_GECKO_PROFILER
namespace {
Maybe<MarkerTiming> ToTiming(char phase) {
switch (phase) {
case 'B':
return Some(MarkerTiming::IntervalStart());
case 'E':
return Some(MarkerTiming::IntervalEnd());
case 'I':
return Some(MarkerTiming::InstantNow());
default:
return Nothing();
}
}
struct TraceOption {
bool mPassed = false;
ProfilerString8View mName;
Variant<int64_t, bool, double, ProfilerString8View> mValue = AsVariant(false);
};
struct TraceMarker {
static constexpr int MAX_NUM_ARGS = 2;
using OptionsType = std::tuple<TraceOption, TraceOption>;
static constexpr mozilla::Span<const char> MarkerTypeName() {
return MakeStringSpan("TraceEvent");
}
static void StreamJSONMarkerData(
mozilla::baseprofiler::SpliceableJSONWriter& aWriter,
const OptionsType& aArgs) {
auto writeValue = [&](const auto& aName, const auto& aVariant) {
aVariant.match(
[&](const int64_t& aValue) { aWriter.IntProperty(aName, aValue); },
[&](const bool& aValue) { aWriter.BoolProperty(aName, aValue); },
[&](const double& aValue) { aWriter.DoubleProperty(aName, aValue); },
[&](const ProfilerString8View& aValue) {
aWriter.StringProperty(aName, aValue);
});
};
if (const auto& arg = std::get<0>(aArgs); arg.mPassed) {
aWriter.StringProperty("name1", arg.mName);
writeValue("val1", arg.mValue);
}
if (const auto& arg = std::get<1>(aArgs); arg.mPassed) {
aWriter.StringProperty("name2", arg.mName);
writeValue("val2", arg.mValue);
}
}
static mozilla::MarkerSchema MarkerTypeDisplay() {
using MS = MarkerSchema;
MS schema{MS::Location::MarkerChart, MS::Location::MarkerTable};
schema.SetChartLabel("{marker.name}");
schema.SetTableLabel(
"{marker.name} {marker.data.name1} {marker.data.val1} "
"{marker.data.name2} {marker.data.val2}");
schema.AddKeyLabelFormatSearchable("name1", "Key 1", MS::Format::String,
MS::Searchable::Searchable);
schema.AddKeyLabelFormatSearchable("val1", "Value 1", MS::Format::String,
MS::Searchable::Searchable);
schema.AddKeyLabelFormatSearchable("name2", "Key 2", MS::Format::String,
MS::Searchable::Searchable);
schema.AddKeyLabelFormatSearchable("val2", "Value 2", MS::Format::String,
MS::Searchable::Searchable);
return schema;
}
};
} // namespace
namespace mozilla {
template <>
struct ProfileBufferEntryWriter::Serializer<TraceOption> {
static Length Bytes(const TraceOption& aOption) {
// 1 byte to store passed flag, then object size if passed.
return aOption.mPassed ? (1 + SumBytes(aOption.mName, aOption.mValue)) : 1;
}
static void Write(ProfileBufferEntryWriter& aEW, const TraceOption& aOption) {
// 'T'/'t' is just an arbitrary 1-byte value to distinguish states.
if (aOption.mPassed) {
aEW.WriteObject<char>('T');
// Use the Serializer for the name/value pair.
aEW.WriteObject(aOption.mName);
aEW.WriteObject(aOption.mValue);
} else {
aEW.WriteObject<char>('t');
}
}
};
template <>
struct ProfileBufferEntryReader::Deserializer<TraceOption> {
static void ReadInto(ProfileBufferEntryReader& aER, TraceOption& aOption) {
char c = aER.ReadObject<char>();
if ((aOption.mPassed = (c == 'T'))) {
aER.ReadIntoObject(aOption.mName);
aER.ReadIntoObject(aOption.mValue);
} else {
MOZ_ASSERT(c == 't');
}
}
static TraceOption Read(ProfileBufferEntryReader& aER) {
TraceOption option;
ReadInto(aER, option);
return option;
}
};
} // namespace mozilla
#endif // MOZ_GECKO_PROFILER
void uprofiler_simple_event_marker(const char* name, char phase, int num_args,
const char** arg_names,
const unsigned char* arg_types,
const unsigned long long* arg_values) {
#ifdef MOZ_GECKO_PROFILER
if (!profiler_thread_is_being_profiled_for_markers()) {
return;
}
Maybe<MarkerTiming> timing = ToTiming(phase);
if (!timing) {
if (getenv("MOZ_LOG_UNKNOWN_TRACE_EVENT_PHASES")) {
fprintf(stderr, "XXX UProfiler: phase not handled: '%c'\n", phase);
}
return;
}
MOZ_ASSERT(num_args <= TraceMarker::MAX_NUM_ARGS);
TraceMarker::OptionsType tuple;
TraceOption* args[2] = {&std::get<0>(tuple), &std::get<1>(tuple)};
for (int i = 0; i < std::min(num_args, TraceMarker::MAX_NUM_ARGS); ++i) {
auto& arg = *args[i];
arg.mPassed = true;
arg.mName = ProfilerString8View::WrapNullTerminatedString(arg_names[i]);
switch (arg_types[i]) {
case TRACE_VALUE_TYPE_UINT:
MOZ_ASSERT(arg_values[i] <= std::numeric_limits<int64_t>::max());
arg.mValue = AsVariant(static_cast<int64_t>(
reinterpret_cast<const TraceValueUnion*>(&arg_values[i])->as_uint));
break;
case TRACE_VALUE_TYPE_INT:
arg.mValue = AsVariant(static_cast<int64_t>(
reinterpret_cast<const TraceValueUnion*>(&arg_values[i])->as_int));
break;
case TRACE_VALUE_TYPE_BOOL:
arg.mValue = AsVariant(
reinterpret_cast<const TraceValueUnion*>(&arg_values[i])->as_bool);
break;
case TRACE_VALUE_TYPE_DOUBLE:
arg.mValue =
AsVariant(reinterpret_cast<const TraceValueUnion*>(&arg_values[i])
->as_double);
break;
case TRACE_VALUE_TYPE_POINTER:
arg.mValue = AsVariant(ProfilerString8View(nsPrintfCString(
"%p", reinterpret_cast<const TraceValueUnion*>(&arg_values[i])
->as_pointer)));
break;
case TRACE_VALUE_TYPE_STRING:
arg.mValue = AsVariant(ProfilerString8View::WrapNullTerminatedString(
reinterpret_cast<const TraceValueUnion*>(&arg_values[i])
->as_string));
break;
case TRACE_VALUE_TYPE_COPY_STRING:
arg.mValue = AsVariant(ProfilerString8View(
nsCString(reinterpret_cast<const TraceValueUnion*>(&arg_values[i])
->as_string)));
break;
default:
MOZ_ASSERT_UNREACHABLE("Unexpected trace value type");
arg.mValue = AsVariant(ProfilerString8View(
nsPrintfCString("Unexpected type: %u", arg_types[i])));
break;
}
}
profiler_add_marker(ProfilerString8View::WrapNullTerminatedString(name),
geckoprofiler::category::MEDIA_RT, {timing.extract()},
TraceMarker{}, tuple);
#endif // MOZ_GECKO_PROFILER
}
|
