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
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sstream>
#include "android-base/file.h"
#include "android-base/logging.h"
#include "base/macros.h"
#include "base/scoped_flock.h"
#include "metrics.h"
#pragma clang diagnostic push
#pragma clang diagnostic error "-Wconversion"
namespace art {
namespace metrics {
std::string DatumName(DatumId datum) {
switch (datum) {
#define ART_METRIC(name, Kind, ...) \
case DatumId::k##name: \
return #name;
ART_METRICS(ART_METRIC)
#undef ART_METRIC
default:
LOG(FATAL) << "Unknown datum id: " << static_cast<unsigned>(datum);
UNREACHABLE();
}
}
SessionData SessionData::CreateDefault() {
#ifdef _WIN32
int32_t uid = kInvalidUserId; // Windows does not support getuid();
#else
int32_t uid = static_cast<int32_t>(getuid());
#endif
return SessionData{
.compilation_reason = CompilationReason::kUnknown,
.compiler_filter = CompilerFilterReporting::kUnknown,
.session_id = kInvalidSessionId,
.uid = uid,
};
}
ArtMetrics::ArtMetrics() : beginning_timestamp_ {MilliTime()}
#define ART_METRIC(name, Kind, ...) \
, name##_ {}
ART_METRICS(ART_METRIC)
#undef ART_METRIC
{
}
void ArtMetrics::ReportAllMetrics(MetricsBackend* backend) const {
backend->BeginReport(MilliTime() - beginning_timestamp_);
#define ART_METRIC(name, Kind, ...) name()->Report(backend);
ART_METRICS(ART_METRIC)
#undef ART_METRIC
backend->EndReport();
}
void ArtMetrics::DumpForSigQuit(std::ostream& os) const {
StringBackend backend;
ReportAllMetrics(&backend);
os << backend.GetAndResetBuffer();
}
void ArtMetrics::Reset() {
beginning_timestamp_ = MilliTime();
#define ART_METRIC(name, kind, ...) name##_.Reset();
ART_METRICS(ART_METRIC);
#undef ART_METRIC
}
StringBackend::StringBackend() {}
std::string StringBackend::GetAndResetBuffer() {
std::string result = os_.str();
os_.clear();
os_.str("");
return result;
}
void StringBackend::BeginOrUpdateSession(const SessionData& session_data) {
session_data_ = session_data;
}
void StringBackend::BeginReport(uint64_t timestamp_since_start_ms) {
os_ << "\n*** ART internal metrics ***\n";
os_ << " Metadata:\n";
os_ << " timestamp_since_start_ms: " << timestamp_since_start_ms << "\n";
if (session_data_.has_value()) {
os_ << " session_id: " << session_data_->session_id << "\n";
os_ << " uid: " << session_data_->uid << "\n";
os_ << " compilation_reason: " << CompilationReasonName(session_data_->compilation_reason)
<< "\n";
os_ << " compiler_filter: " << CompilerFilterReportingName(session_data_->compiler_filter)
<< "\n";
}
os_ << " Metrics:\n";
}
void StringBackend::EndReport() { os_ << "*** Done dumping ART internal metrics ***\n"; }
void StringBackend::ReportCounter(DatumId counter_type, uint64_t value) {
os_ << " " << DatumName(counter_type) << ": count = " << value << "\n";
}
void StringBackend::ReportHistogram(DatumId histogram_type,
int64_t minimum_value_,
int64_t maximum_value_,
const std::vector<uint32_t>& buckets) {
os_ << " " << DatumName(histogram_type) << ": range = " << minimum_value_ << "..." << maximum_value_;
if (buckets.size() > 0) {
os_ << ", buckets: ";
bool first = true;
for (const auto& count : buckets) {
if (!first) {
os_ << ",";
}
first = false;
os_ << count;
}
os_ << "\n";
} else {
os_ << ", no buckets\n";
}
}
LogBackend::LogBackend(android::base::LogSeverity level) : level_{level} {}
void LogBackend::BeginReport(uint64_t timestamp_since_start_ms) {
GetAndResetBuffer();
StringBackend::BeginReport(timestamp_since_start_ms);
}
void LogBackend::EndReport() {
StringBackend::EndReport();
LOG_STREAM(level_) << GetAndResetBuffer();
}
FileBackend::FileBackend(const std::string& filename) : filename_{filename} {}
void FileBackend::BeginReport(uint64_t timestamp_since_start_ms) {
GetAndResetBuffer();
StringBackend::BeginReport(timestamp_since_start_ms);
}
void FileBackend::EndReport() {
StringBackend::EndReport();
std::string error_message;
auto file{
LockedFile::Open(filename_.c_str(), O_CREAT | O_WRONLY | O_APPEND, true, &error_message)};
if (file.get() == nullptr) {
LOG(WARNING) << "Could open metrics file '" << filename_ << "': " << error_message;
} else {
if (!android::base::WriteStringToFd(GetAndResetBuffer(), file.get()->Fd())) {
PLOG(WARNING) << "Error writing metrics to file";
}
}
}
// Make sure CompilationReasonName and CompilationReasonForName are inverses.
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kError)) ==
CompilationReason::kError);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kUnknown)) ==
CompilationReason::kUnknown);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kFirstBoot)) ==
CompilationReason::kFirstBoot);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kBootAfterOTA)) ==
CompilationReason::kBootAfterOTA);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kPostBoot)) ==
CompilationReason::kPostBoot);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kInstall)) ==
CompilationReason::kInstall);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kInstallFast)) ==
CompilationReason::kInstallFast);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kInstallBulk)) ==
CompilationReason::kInstallBulk);
static_assert(
CompilationReasonFromName(CompilationReasonName(CompilationReason::kInstallBulkSecondary)) ==
CompilationReason::kInstallBulkSecondary);
static_assert(
CompilationReasonFromName(CompilationReasonName(CompilationReason::kInstallBulkDowngraded)) ==
CompilationReason::kInstallBulkDowngraded);
static_assert(CompilationReasonFromName(
CompilationReasonName(CompilationReason::kInstallBulkSecondaryDowngraded)) ==
CompilationReason::kInstallBulkSecondaryDowngraded);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kBgDexopt)) ==
CompilationReason::kBgDexopt);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kABOTA)) ==
CompilationReason::kABOTA);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kInactive)) ==
CompilationReason::kInactive);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kShared)) ==
CompilationReason::kShared);
static_assert(
CompilationReasonFromName(CompilationReasonName(CompilationReason::kInstallWithDexMetadata)) ==
CompilationReason::kInstallWithDexMetadata);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kPrebuilt)) ==
CompilationReason::kPrebuilt);
static_assert(CompilationReasonFromName(CompilationReasonName(CompilationReason::kCmdLine)) ==
CompilationReason::kCmdLine);
} // namespace metrics
} // namespace art
#pragma clang diagnostic pop // -Wconversion
|
