mirror of https://github.com/facebook/rocksdb.git
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
// 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/instrumented_mutex.h"
|
|
|
|
#include "monitoring/perf_context_imp.h"
|
|
#include "monitoring/thread_status_util.h"
|
|
#include "rocksdb/system_clock.h"
|
|
#include "test_util/sync_point.h"
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
namespace {
|
|
#ifndef NPERF_CONTEXT
|
|
Statistics* stats_for_report(const std::shared_ptr<SystemClock>& clock,
|
|
Statistics* stats) {
|
|
if (clock.get() != nullptr && stats != nullptr &&
|
|
stats->get_stats_level() > kExceptTimeForMutex) {
|
|
return stats;
|
|
} else {
|
|
return nullptr;
|
|
}
|
|
}
|
|
#endif // NPERF_CONTEXT
|
|
} // namespace
|
|
|
|
void InstrumentedMutex::Lock() {
|
|
PERF_CONDITIONAL_TIMER_FOR_MUTEX_GUARD(
|
|
db_mutex_lock_nanos, stats_code_ == DB_MUTEX_WAIT_MICROS,
|
|
stats_for_report(clock_, stats_), stats_code_);
|
|
LockInternal();
|
|
}
|
|
|
|
void InstrumentedMutex::LockInternal() {
|
|
#ifndef NDEBUG
|
|
ThreadStatusUtil::TEST_StateDelay(ThreadStatus::STATE_MUTEX_WAIT);
|
|
#endif
|
|
mutex_.Lock();
|
|
}
|
|
|
|
void InstrumentedCondVar::Wait() {
|
|
PERF_CONDITIONAL_TIMER_FOR_MUTEX_GUARD(
|
|
db_condition_wait_nanos, stats_code_ == DB_MUTEX_WAIT_MICROS,
|
|
stats_for_report(clock_, stats_), stats_code_);
|
|
WaitInternal();
|
|
}
|
|
|
|
void InstrumentedCondVar::WaitInternal() {
|
|
#ifndef NDEBUG
|
|
ThreadStatusUtil::TEST_StateDelay(ThreadStatus::STATE_MUTEX_WAIT);
|
|
#endif
|
|
cond_.Wait();
|
|
}
|
|
|
|
bool InstrumentedCondVar::TimedWait(uint64_t abs_time_us) {
|
|
PERF_CONDITIONAL_TIMER_FOR_MUTEX_GUARD(
|
|
db_condition_wait_nanos, stats_code_ == DB_MUTEX_WAIT_MICROS,
|
|
stats_for_report(clock_, stats_), stats_code_);
|
|
return TimedWaitInternal(abs_time_us);
|
|
}
|
|
|
|
bool InstrumentedCondVar::TimedWaitInternal(uint64_t abs_time_us) {
|
|
#ifndef NDEBUG
|
|
ThreadStatusUtil::TEST_StateDelay(ThreadStatus::STATE_MUTEX_WAIT);
|
|
#endif
|
|
|
|
TEST_SYNC_POINT_CALLBACK("InstrumentedCondVar::TimedWaitInternal",
|
|
&abs_time_us);
|
|
|
|
return cond_.TimedWait(abs_time_us);
|
|
}
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|