44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
#ifndef LLVM_PROFILEDATA_RAWMEMPROFREADER_H_
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#define LLVM_PROFILEDATA_RAWMEMPROFREADER_H_
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//===- MemProfReader.h - Instrumented memory profiling reader ---*- 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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// This file contains support for reading MemProf profiling data.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Error.h"
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#include "llvm/Support/MemoryBuffer.h"
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namespace llvm {
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namespace memprof {
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class RawMemProfReader {
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public:
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RawMemProfReader(std::unique_ptr<MemoryBuffer> DataBuffer)
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: DataBuffer(std::move(DataBuffer)) {}
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// Prints aggregate counts for each raw profile parsed from the DataBuffer.
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void printSummaries(raw_ostream &OS) const;
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// Return true if the \p DataBuffer starts with magic bytes indicating it is
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// a raw binary memprof profile.
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static bool hasFormat(const MemoryBuffer &DataBuffer);
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// Create a RawMemProfReader after sanity checking the contents of the file at
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// \p Path.
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static Expected<std::unique_ptr<RawMemProfReader>> create(const Twine &Path);
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private:
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std::unique_ptr<MemoryBuffer> DataBuffer;
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};
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} // namespace memprof
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} // namespace llvm
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#endif // LLVM_PROFILEDATA_RAWMEMPROFREADER_H_
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