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
|
/*
* Copyright 2013 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.
*/
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#include <stdio.h>
#include <stdlib.h>
#include <log/log.h>
#include "EventLog.h"
namespace android {
ANDROID_SINGLETON_STATIC_INSTANCE(EventLog)
EventLog::EventLog() {
}
void EventLog::doLogFrameDurations(const std::string_view& name, const int32_t* durations,
size_t numDurations) {
EventLog::TagBuffer buffer(LOGTAG_SF_FRAME_DUR);
buffer.startList(1 + numDurations);
buffer.writeString(name);
for (size_t i = 0; i < numDurations; i++) {
buffer.writeInt32(durations[i]);
}
buffer.endList();
buffer.log();
}
void EventLog::logFrameDurations(const std::string_view& name, const int32_t* durations,
size_t numDurations) {
EventLog::getInstance().doLogFrameDurations(name, durations, numDurations);
}
// ---------------------------------------------------------------------------
EventLog::TagBuffer::TagBuffer(int32_t tag)
: mPos(0), mTag(tag), mOverflow(false) {
}
void EventLog::TagBuffer::log() {
if (mOverflow) {
ALOGW("couldn't log to binary event log: overflow.");
} else if (android_bWriteLog(mTag, mStorage, mPos) < 0) {
ALOGE("couldn't log to EventLog: %s", strerror(errno));
}
// purge the buffer
mPos = 0;
mOverflow = false;
}
void EventLog::TagBuffer::startList(int8_t count) {
if (mOverflow) return;
const size_t needed = 1 + sizeof(count);
if (mPos + needed > STORAGE_MAX_SIZE) {
mOverflow = true;
return;
}
mStorage[mPos + 0] = EVENT_TYPE_LIST;
mStorage[mPos + 1] = count;
mPos += needed;
}
void EventLog::TagBuffer::endList() {
if (mOverflow) return;
const size_t needed = 1;
if (mPos + needed > STORAGE_MAX_SIZE) {
mOverflow = true;
return;
}
mStorage[mPos + 0] = '\n';
mPos += needed;
}
void EventLog::TagBuffer::writeInt32(int32_t value) {
if (mOverflow) return;
const size_t needed = 1 + sizeof(value);
if (mPos + needed > STORAGE_MAX_SIZE) {
mOverflow = true;
return;
}
mStorage[mPos + 0] = EVENT_TYPE_INT;
memcpy(&mStorage[mPos + 1], &value, sizeof(value));
mPos += needed;
}
void EventLog::TagBuffer::writeInt64(int64_t value) {
if (mOverflow) return;
const size_t needed = 1 + sizeof(value);
if (mPos + needed > STORAGE_MAX_SIZE) {
mOverflow = true;
return;
}
mStorage[mPos + 0] = EVENT_TYPE_LONG;
memcpy(&mStorage[mPos + 1], &value, sizeof(value));
mPos += needed;
}
void EventLog::TagBuffer::writeString(const std::string_view& value) {
if (mOverflow) return;
const size_t stringLen = value.length();
const size_t needed = 1 + sizeof(int32_t) + stringLen;
if (mPos + needed > STORAGE_MAX_SIZE) {
mOverflow = true;
return;
}
mStorage[mPos + 0] = EVENT_TYPE_STRING;
memcpy(&mStorage[mPos + 1], &stringLen, sizeof(int32_t));
memcpy(&mStorage[mPos + 5], value.data(), stringLen);
mPos += needed;
}
} // namespace android
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"
|
