//===-- xray_fdr_logging.h ------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file is a part of XRay, a function call tracing system. // //===----------------------------------------------------------------------===// #ifndef XRAY_XRAY_FDR_LOGGING_H #define XRAY_XRAY_FDR_LOGGING_H #include "xray/xray_log_interface.h" #include "xray_fdr_log_records.h" // FDR (Flight Data Recorder) Mode // =============================== // // The XRay whitepaper describes a mode of operation for function call trace // logging that involves writing small records into an in-memory circular // buffer, that then gets logged to disk on demand. To do this efficiently and // capture as much data as we can, we use smaller records compared to the // default mode of always writing fixed-size records. namespace __xray { XRayLogInitStatus fdrLoggingInit(size_t BufferSize, size_t BufferMax, void *Options, size_t OptionsSize); XRayLogInitStatus fdrLoggingFinalize(); void fdrLoggingHandleArg0(int32_t FuncId, XRayEntryType Entry); void fdrLoggingHandleArg1(int32_t FuncId, XRayEntryType Entry, uint64_t Arg1); XRayLogFlushStatus fdrLoggingFlush(); XRayLogInitStatus fdrLoggingReset(); } // namespace __xray #endif // XRAY_XRAY_FDR_LOGGING_H |