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Merge ce8b10fdd6 into 7530f3d245

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Konstantin Akimov 2024-12-17 04:31:49 +00:00 committed by GitHub
commit ec83749ac5
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1 changed files with 22 additions and 1 deletions
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23
src/sync.h
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@ -161,18 +161,31 @@ template <typename Mutex, typename Base = typename Mutex::UniqueLock>
class SCOPED_LOCKABLE UniqueLock : public Base
{
private:
#ifdef DEBUG_LOCKCONTENTION
std::string m_lock_log_time_prefix;
std::chrono::microseconds m_started_time{};
#endif
void Enter(const char* pszName, const char* pszFile, int nLine)
{
EnterCritical(pszName, pszFile, nLine, Base::mutex());
#ifdef DEBUG_LOCKCONTENTION
m_lock_log_time_prefix = strprintf("lock contention %s, %s:%d", pszName, pszFile, nLine);
m_started_time = GetTime<std::chrono::microseconds>();
if (Base::try_lock()) return;
LOG_TIME_MICROS_WITH_CATEGORY(strprintf("lock contention %s, %s:%d", pszName, pszFile, nLine), BCLog::LOCK);
LOG_TIME_MICROS_WITH_CATEGORY(m_lock_log_time_prefix, BCLog::LOCK);
#endif
Base::lock();
#ifdef DEBUG_LOCKCONTENTION
m_started_time = GetTime<std::chrono::microseconds>();
#endif
}
bool TryEnter(const char* pszName, const char* pszFile, int nLine)
{
#ifdef DEBUG_LOCKCONTENTION
m_lock_log_time_prefix = strprintf("lock contention %s, %s:%d", pszName, pszFile, nLine);
m_started_time = GetTime<std::chrono::microseconds>();
#endif
EnterCritical(pszName, pszFile, nLine, Base::mutex(), true);
if (Base::try_lock()) {
return true;
@ -203,8 +216,16 @@ public:
~UniqueLock() UNLOCK_FUNCTION()
{
#ifdef DEBUG_LOCKCONTENTION
const auto diff_time = (GetTime<std::chrono::microseconds>() - m_started_time);
#endif
if (Base::owns_lock())
LeaveCritical();
#ifdef DEBUG_LOCKCONTENTION
if (diff_time.count() > 100 && m_started_time.count() > 0) {
LogPrint(BCLog::LOCK, "%s inside %iμs\n", m_lock_log_time_prefix, diff_time.count());
}
#endif
}
operator bool()