WTF_MAKE_TZONE_ALLOCATED(PerfLog);

WTF_MAKE_NONCOPYABLE(PerfLog);

friend class LazyNeverDestroyed<PerfLog>;

static void log(const CString& name, MacroAssemblerCodeRef<LinkBufferPtrTag>, std::unique_ptr<IRDumpDebugInfo>&& = nullptr, std::unique_ptr<SourceCodeDumpDebugInfo>&& = nullptr);

PerfLog();

static PerfLog& singleton();

void write(const AbstractLocker&, std::span<const uint8_t>) WTF_REQUIRES_LOCK(m_lock);

void write(const AbstractLocker& locker, std::span<const char> span) WTF_REQUIRES_LOCK(m_lock) { write(locker, unsafeMakeSpan(std::bit_cast<const uint8_t*>(span.data()), span.size_bytes())); }

void flush(const AbstractLocker&) WTF_REQUIRES_LOCK(m_lock);

WTF::FileSystemImpl::FileHandle m_file { };

CString m_irDumpDirectory;

CString m_sourceCodeDumpDirectory;

uint64_t m_codeIndex { 0 };

Lock m_lock;