56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
//===- FDRTraceWriter.h - XRay FDR Trace Writer -----------------*- C++ -*-===//
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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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// Test a utility that can write out XRay FDR Mode formatted trace files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_INCLUDE_LLVM_XRAY_FDRTRACEWRITER_H_
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#define LLVM_INCLUDE_LLVM_XRAY_FDRTRACEWRITER_H_
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/EndianStream.h"
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#include "llvm/XRay/FDRRecords.h"
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#include "llvm/XRay/XRayRecord.h"
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namespace llvm {
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namespace xray {
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/// The FDRTraceWriter allows us to hand-craft an XRay Flight Data Recorder
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/// (FDR) mode log file. This is used primarily for testing, generating
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/// sequences of FDR records that can be read/processed. It can also be used to
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/// generate various kinds of execution traces without using the XRay runtime.
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/// Note that this writer does not do any validation, but uses the types of
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/// records defined in the FDRRecords.h file.
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class FDRTraceWriter : public RecordVisitor {
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public:
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// Construct an FDRTraceWriter associated with an output stream.
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explicit FDRTraceWriter(raw_ostream &O, const XRayFileHeader &H);
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~FDRTraceWriter();
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Error visit(BufferExtents &) override;
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Error visit(WallclockRecord &) override;
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Error visit(NewCPUIDRecord &) override;
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Error visit(TSCWrapRecord &) override;
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Error visit(CustomEventRecord &) override;
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Error visit(CallArgRecord &) override;
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Error visit(PIDRecord &) override;
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Error visit(NewBufferRecord &) override;
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Error visit(EndBufferRecord &) override;
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Error visit(FunctionRecord &) override;
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Error visit(CustomEventRecordV5 &) override;
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Error visit(TypedEventRecord &) override;
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private:
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support::endian::Writer OS;
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};
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} // namespace xray
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} // namespace llvm
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#endif // LLVM_INCLUDE_LLVM_XRAY_FDRTRACEWRITER_H_
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