LLVM
15.0.0git
include
llvm
XRay
BlockIndexer.h
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//===- BlockIndexer.h - FDR Block Indexing Visitor ------------------------===//
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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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// An implementation of the RecordVisitor which generates a mapping between a
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// thread and a range of records representing a block.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_XRAY_BLOCKINDEXER_H
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#define LLVM_XRAY_BLOCKINDEXER_H
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#include "
llvm/ADT/DenseMap.h
"
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#include "
llvm/XRay/FDRRecords.h
"
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#include <cstdint>
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#include <vector>
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namespace
llvm
{
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namespace
xray {
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// The BlockIndexer will gather all related records associated with a
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// process+thread and group them by 'Block'.
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class
BlockIndexer
:
public
RecordVisitor
{
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public
:
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struct
Block
{
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uint64_t
ProcessID
;
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int32_t
ThreadID
;
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WallclockRecord
*
WallclockTime
;
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std::vector<Record *>
Records
;
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};
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// This maps the process + thread combination to a sequence of blocks.
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using
Index
=
DenseMap<std::pair<uint64_t, int32_t>
, std::vector<Block>>;
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private
:
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Index
&Indices;
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Block
CurrentBlock{0, 0,
nullptr
, {}};
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public
:
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explicit
BlockIndexer
(
Index
&
I
) : Indices(
I
) {}
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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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/// The flush() function will clear out the current state of the visitor, to
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/// allow for explicitly flushing a block's records to the currently
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/// recognized thread and process combination.
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Error
flush
();
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};
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}
// namespace xray
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}
// namespace llvm
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#endif // LLVM_XRAY_BLOCKINDEXER_H
llvm::xray::BlockIndexer::visit
Error visit(BufferExtents &) override
Definition:
BlockIndexer.cpp:18
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition:
AddressRanges.h:17
llvm::xray::BlockIndexer::BlockIndexer
BlockIndexer(Index &I)
Definition:
BlockIndexer.h:44
llvm::xray::RecordVisitor
Definition:
FDRRecords.h:399
llvm::xray::FunctionRecord
Definition:
FDRRecords.h:372
llvm::xray::PIDRecord
Definition:
FDRRecords.h:313
llvm::xray::BlockIndexer::Block
Definition:
BlockIndexer.h:28
DenseMap.h
llvm::xray::BufferExtents
Definition:
FDRRecords.h:110
llvm::xray::NewCPUIDRecord
Definition:
FDRRecords.h:158
llvm::xray::BlockIndexer::Block::ProcessID
uint64_t ProcessID
Definition:
BlockIndexer.h:29
llvm::xray::BlockIndexer::flush
Error flush()
The flush() function will clear out the current state of the visitor, to allow for explicitly flushin...
Definition:
BlockIndexer.cpp:82
llvm::xray::NewBufferRecord
Definition:
FDRRecords.h:336
llvm::xray::BlockIndexer::Block::ThreadID
int32_t ThreadID
Definition:
BlockIndexer.h:30
uint64_t
llvm::DenseMap
Definition:
DenseMap.h:716
I
#define I(x, y, z)
Definition:
MD5.cpp:58
llvm::xray::EndBufferRecord
Definition:
FDRRecords.h:359
llvm::xray::WallclockRecord
Definition:
FDRRecords.h:133
llvm::xray::BlockIndexer::Block::Records
std::vector< Record * > Records
Definition:
BlockIndexer.h:32
llvm::xray::CallArgRecord
Definition:
FDRRecords.h:291
llvm::xray::TypedEventRecord
Definition:
FDRRecords.h:262
llvm::xray::TSCWrapRecord
Definition:
FDRRecords.h:184
llvm::xray::BlockIndexer
Definition:
BlockIndexer.h:26
llvm::xray::BlockIndexer::Block::WallclockTime
WallclockRecord * WallclockTime
Definition:
BlockIndexer.h:31
llvm::Error
Lightweight error class with error context and mandatory checking.
Definition:
Error.h:155
llvm::xray::CustomEventRecord
Definition:
FDRRecords.h:206
llvm::xray::CustomEventRecordV5
Definition:
FDRRecords.h:235
FDRRecords.h
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