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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- BlockIndexer.h - FDR Block Indexing Visitor ------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// An implementation of the RecordVisitor which generates a mapping between a
// thread and a range of records representing a block.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_XRAY_BLOCKINDEXER_H_
#define LLVM_LIB_XRAY_BLOCKINDEXER_H_
#include "llvm/ADT/DenseMap.h"
#include "llvm/XRay/FDRRecords.h"
#include <cstdint>
#include <vector>
namespace llvm {
namespace xray {
// The BlockIndexer will gather all related records associated with a
// process+thread and group them by 'Block'.
class BlockIndexer : public RecordVisitor {
public:
struct Block {
uint64_t ProcessID;
int32_t ThreadID;
WallclockRecord *WallclockTime;
std::vector<Record *> Records;
};
// This maps the process + thread combination to a sequence of blocks.
using Index = DenseMap<std::pair<uint64_t, int32_t>, std::vector<Block>>;
private:
Index &Indices;
Block CurrentBlock{0, 0, nullptr, {}};
public:
explicit BlockIndexer(Index &I) : RecordVisitor(), Indices(I) {}
Error visit(BufferExtents &) override;
Error visit(WallclockRecord &) override;
Error visit(NewCPUIDRecord &) override;
Error visit(TSCWrapRecord &) override;
Error visit(CustomEventRecord &) override;
Error visit(CallArgRecord &) override;
Error visit(PIDRecord &) override;
Error visit(NewBufferRecord &) override;
Error visit(EndBufferRecord &) override;
Error visit(FunctionRecord &) override;
Error visit(CustomEventRecordV5 &) override;
Error visit(TypedEventRecord &) override;
/// The flush() function will clear out the current state of the visitor, to
/// allow for explicitly flushing a block's records to the currently
/// recognized thread and process combination.
Error flush();
};
} // namespace xray
} // namespace llvm
#endif // LLVM_LIB_XRAY_BLOCKINDEXER_H_
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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