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
|
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#include "monitoring/thread_status_util.h"
#include "monitoring/thread_status_updater.h"
#include "rocksdb/env.h"
#include "rocksdb/system_clock.h"
namespace ROCKSDB_NAMESPACE {
#ifdef ROCKSDB_USING_THREAD_STATUS
thread_local ThreadStatusUpdater*
ThreadStatusUtil::thread_updater_local_cache_ = nullptr;
thread_local bool ThreadStatusUtil::thread_updater_initialized_ = false;
void ThreadStatusUtil::RegisterThread(const Env* env,
ThreadStatus::ThreadType thread_type) {
if (!MaybeInitThreadLocalUpdater(env)) {
return;
}
assert(thread_updater_local_cache_);
thread_updater_local_cache_->RegisterThread(thread_type, env->GetThreadID());
}
void ThreadStatusUtil::UnregisterThread() {
thread_updater_initialized_ = false;
if (thread_updater_local_cache_ != nullptr) {
thread_updater_local_cache_->UnregisterThread();
thread_updater_local_cache_ = nullptr;
}
}
void ThreadStatusUtil::SetEnableTracking(bool enable_tracking) {
if (thread_updater_local_cache_ == nullptr) {
return;
}
thread_updater_local_cache_->SetEnableTracking(enable_tracking);
}
void ThreadStatusUtil::SetColumnFamily(const ColumnFamilyData* cfd) {
if (thread_updater_local_cache_ == nullptr) {
return;
}
assert(cfd);
thread_updater_local_cache_->SetColumnFamilyInfoKey(cfd);
}
void ThreadStatusUtil::SetThreadOperation(ThreadStatus::OperationType op) {
if (thread_updater_local_cache_ == nullptr) {
return;
}
if (op != ThreadStatus::OP_UNKNOWN) {
uint64_t current_time = SystemClock::Default()->NowMicros();
thread_updater_local_cache_->SetOperationStartTime(current_time);
} else {
// TDOO(yhchiang): we could report the time when we set operation to
// OP_UNKNOWN once the whole instrumentation has been done.
thread_updater_local_cache_->SetOperationStartTime(0);
}
thread_updater_local_cache_->SetThreadOperation(op);
}
ThreadStatus::OperationType ThreadStatusUtil::GetThreadOperation() {
if (thread_updater_local_cache_ == nullptr) {
return ThreadStatus::OperationType::OP_UNKNOWN;
}
return thread_updater_local_cache_->GetThreadOperation();
}
ThreadStatus::OperationStage ThreadStatusUtil::SetThreadOperationStage(
ThreadStatus::OperationStage stage) {
if (thread_updater_local_cache_ == nullptr) {
// thread_updater_local_cache_ must be set in SetColumnFamily
// or other ThreadStatusUtil functions.
return ThreadStatus::STAGE_UNKNOWN;
}
return thread_updater_local_cache_->SetThreadOperationStage(stage);
}
void ThreadStatusUtil::SetThreadOperationProperty(int code, uint64_t value) {
if (thread_updater_local_cache_ == nullptr) {
// thread_updater_local_cache_ must be set in SetColumnFamily
// or other ThreadStatusUtil functions.
return;
}
thread_updater_local_cache_->SetThreadOperationProperty(code, value);
}
void ThreadStatusUtil::IncreaseThreadOperationProperty(int code,
uint64_t delta) {
if (thread_updater_local_cache_ == nullptr) {
// thread_updater_local_cache_ must be set in SetColumnFamily
// or other ThreadStatusUtil functions.
return;
}
thread_updater_local_cache_->IncreaseThreadOperationProperty(code, delta);
}
void ThreadStatusUtil::SetThreadState(ThreadStatus::StateType state) {
if (thread_updater_local_cache_ == nullptr) {
// thread_updater_local_cache_ must be set in SetColumnFamily
// or other ThreadStatusUtil functions.
return;
}
thread_updater_local_cache_->SetThreadState(state);
}
void ThreadStatusUtil::ResetThreadStatus() {
if (thread_updater_local_cache_ == nullptr) {
return;
}
thread_updater_local_cache_->ResetThreadStatus();
}
void ThreadStatusUtil::NewColumnFamilyInfo(const DB* db,
const ColumnFamilyData* cfd,
const std::string& cf_name,
const Env* env) {
if (!MaybeInitThreadLocalUpdater(env)) {
return;
}
assert(thread_updater_local_cache_);
if (thread_updater_local_cache_) {
thread_updater_local_cache_->NewColumnFamilyInfo(db, db->GetName(), cfd,
cf_name);
}
}
void ThreadStatusUtil::EraseColumnFamilyInfo(const ColumnFamilyData* cfd) {
if (thread_updater_local_cache_ == nullptr) {
return;
}
thread_updater_local_cache_->EraseColumnFamilyInfo(cfd);
}
void ThreadStatusUtil::EraseDatabaseInfo(const DB* db) {
ThreadStatusUpdater* thread_updater = db->GetEnv()->GetThreadStatusUpdater();
if (thread_updater == nullptr) {
return;
}
thread_updater->EraseDatabaseInfo(db);
}
bool ThreadStatusUtil::MaybeInitThreadLocalUpdater(const Env* env) {
if (!thread_updater_initialized_ && env != nullptr) {
thread_updater_initialized_ = true;
thread_updater_local_cache_ = env->GetThreadStatusUpdater();
}
return (thread_updater_local_cache_ != nullptr);
}
AutoThreadOperationStageUpdater::AutoThreadOperationStageUpdater(
ThreadStatus::OperationStage stage) {
prev_stage_ = ThreadStatusUtil::SetThreadOperationStage(stage);
}
AutoThreadOperationStageUpdater::~AutoThreadOperationStageUpdater() {
ThreadStatusUtil::SetThreadOperationStage(prev_stage_);
}
#else
ThreadStatusUpdater* ThreadStatusUtil::thread_updater_local_cache_ = nullptr;
bool ThreadStatusUtil::thread_updater_initialized_ = false;
bool ThreadStatusUtil::MaybeInitThreadLocalUpdater(const Env* /*env*/) {
return false;
}
void ThreadStatusUtil::SetEnableTracking(bool /*enable_tracking*/) {}
void ThreadStatusUtil::SetColumnFamily(const ColumnFamilyData* /*cfd*/) {}
ThreadStatus::OperationType ThreadStatusUtil::GetThreadOperation() {
return ThreadStatus::OperationType::OP_UNKNOWN;
}
void ThreadStatusUtil::SetThreadOperation(ThreadStatus::OperationType /*op*/) {}
void ThreadStatusUtil::SetThreadOperationProperty(int /*code*/,
uint64_t /*value*/) {}
void ThreadStatusUtil::IncreaseThreadOperationProperty(int /*code*/,
uint64_t /*delta*/) {}
void ThreadStatusUtil::SetThreadState(ThreadStatus::StateType /*state*/) {}
void ThreadStatusUtil::NewColumnFamilyInfo(const DB* /*db*/,
const ColumnFamilyData* /*cfd*/,
const std::string& /*cf_name*/,
const Env* /*env*/) {}
void ThreadStatusUtil::EraseColumnFamilyInfo(const ColumnFamilyData* /*cfd*/) {}
void ThreadStatusUtil::EraseDatabaseInfo(const DB* /*db*/) {}
void ThreadStatusUtil::ResetThreadStatus() {}
AutoThreadOperationStageUpdater::AutoThreadOperationStageUpdater(
ThreadStatus::OperationStage /*stage*/) {}
AutoThreadOperationStageUpdater::~AutoThreadOperationStageUpdater() {}
#endif // ROCKSDB_USING_THREAD_STATUS
} // namespace ROCKSDB_NAMESPACE
|
