1//===- YAMLXRayRecord.h - XRay Record YAML Support Definitions ------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// Types and traits specialisations for YAML I/O of XRay log entries.
10//
11//===----------------------------------------------------------------------===//
12#ifndef LLVM_XRAY_YAMLXRAYRECORD_H
13#define LLVM_XRAY_YAMLXRAYRECORD_H
14
15#include <type_traits>
16
17#include "llvm/Support/YAMLTraits.h"
18#include "llvm/XRay/XRayRecord.h"
19
20namespace llvm {
21namespace xray {
22
23struct YAMLXRayFileHeader {
24 uint16_t Version;
25 uint16_t Type;
26 bool ConstantTSC;
27 bool NonstopTSC;
28 uint64_t CycleFrequency;
29};
30
31struct YAMLXRayRecord {
32 uint16_t RecordType;
33 uint16_t CPU;
34 RecordTypes Type;
35 int32_t FuncId;
36 std::string Function;
37 uint64_t TSC;
38 uint32_t TId;
39 uint32_t PId;
40 std::vector<uint64_t> CallArgs;
41 std::string Data;
42};
43
44struct YAMLXRayTrace {
45 YAMLXRayFileHeader Header;
46 std::vector<YAMLXRayRecord> Records;
47};
48
49} // namespace xray
50
51namespace yaml {
52
53// YAML Traits
54// -----------
55template <> struct ScalarEnumerationTraits<xray::RecordTypes> {
56 static void enumeration(IO &IO, xray::RecordTypes &Type) {
57 IO.enumCase(Val&: Type, Str: "function-enter", ConstVal: xray::RecordTypes::ENTER);
58 IO.enumCase(Val&: Type, Str: "function-exit", ConstVal: xray::RecordTypes::EXIT);
59 IO.enumCase(Val&: Type, Str: "function-tail-exit", ConstVal: xray::RecordTypes::TAIL_EXIT);
60 IO.enumCase(Val&: Type, Str: "function-enter-arg", ConstVal: xray::RecordTypes::ENTER_ARG);
61 IO.enumCase(Val&: Type, Str: "custom-event", ConstVal: xray::RecordTypes::CUSTOM_EVENT);
62 IO.enumCase(Val&: Type, Str: "typed-event", ConstVal: xray::RecordTypes::TYPED_EVENT);
63 }
64};
65
66template <> struct MappingTraits<xray::YAMLXRayFileHeader> {
67 static void mapping(IO &IO, xray::YAMLXRayFileHeader &Header) {
68 IO.mapRequired(Key: "version", Val&: Header.Version);
69 IO.mapRequired(Key: "type", Val&: Header.Type);
70 IO.mapRequired(Key: "constant-tsc", Val&: Header.ConstantTSC);
71 IO.mapRequired(Key: "nonstop-tsc", Val&: Header.NonstopTSC);
72 IO.mapRequired(Key: "cycle-frequency", Val&: Header.CycleFrequency);
73 }
74};
75
76template <> struct MappingTraits<xray::YAMLXRayRecord> {
77 static void mapping(IO &IO, xray::YAMLXRayRecord &Record) {
78 IO.mapRequired(Key: "type", Val&: Record.RecordType);
79 IO.mapOptional(Key: "func-id", Val&: Record.FuncId);
80 IO.mapOptional(Key: "function", Val&: Record.Function);
81 IO.mapOptional(Key: "args", Val&: Record.CallArgs);
82 IO.mapRequired(Key: "cpu", Val&: Record.CPU);
83 IO.mapOptional(Key: "thread", Val&: Record.TId, Default: 0U);
84 IO.mapOptional(Key: "process", Val&: Record.PId, Default: 0U);
85 IO.mapRequired(Key: "kind", Val&: Record.Type);
86 IO.mapRequired(Key: "tsc", Val&: Record.TSC);
87 IO.mapOptional(Key: "data", Val&: Record.Data);
88 }
89
90 static constexpr bool flow = true;
91};
92
93template <> struct MappingTraits<xray::YAMLXRayTrace> {
94 static void mapping(IO &IO, xray::YAMLXRayTrace &Trace) {
95 // A trace file contains two parts, the header and the list of all the
96 // trace records.
97 IO.mapRequired(Key: "header", Val&: Trace.Header);
98 IO.mapRequired(Key: "records", Val&: Trace.Records);
99 }
100};
101
102} // namespace yaml
103} // namespace llvm
104
105LLVM_YAML_IS_SEQUENCE_VECTOR(xray::YAMLXRayRecord)
106
107#endif // LLVM_XRAY_YAMLXRAYRECORD_H
108

source code of llvm/include/llvm/XRay/YAMLXRayRecord.h