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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
39 lines
1.5 KiB
C++
39 lines
1.5 KiB
C++
//===-- xray_fdr_logging.h ------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of XRay, a function call tracing system.
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//
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//===----------------------------------------------------------------------===//
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#ifndef XRAY_XRAY_FDR_LOGGING_H
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#define XRAY_XRAY_FDR_LOGGING_H
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#include "xray/xray_log_interface.h"
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#include "xray_fdr_log_records.h"
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// FDR (Flight Data Recorder) Mode
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// ===============================
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//
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// The XRay whitepaper describes a mode of operation for function call trace
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// logging that involves writing small records into an in-memory circular
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// buffer, that then gets logged to disk on demand. To do this efficiently and
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// capture as much data as we can, we use smaller records compared to the
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// default mode of always writing fixed-size records.
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namespace __xray {
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XRayLogInitStatus fdrLoggingInit(size_t BufferSize, size_t BufferMax,
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void *Options, size_t OptionsSize);
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XRayLogInitStatus fdrLoggingFinalize();
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void fdrLoggingHandleArg0(int32_t FuncId, XRayEntryType Entry);
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void fdrLoggingHandleArg1(int32_t FuncId, XRayEntryType Entry, uint64_t Arg1);
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XRayLogFlushStatus fdrLoggingFlush();
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XRayLogInitStatus fdrLoggingReset();
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} // namespace __xray
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#endif // XRAY_XRAY_FDR_LOGGING_H
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