FDRTraceExpander.cpp
3.29 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
//===- FDRTraceExpander.cpp -----------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/XRay/FDRTraceExpander.h"
namespace llvm {
namespace xray {
void TraceExpander::resetCurrentRecord() {
if (BuildingRecord)
C(CurrentRecord);
BuildingRecord = false;
CurrentRecord.CallArgs.clear();
CurrentRecord.Data.clear();
}
Error TraceExpander::visit(BufferExtents &) {
resetCurrentRecord();
return Error::success();
}
Error TraceExpander::visit(WallclockRecord &) { return Error::success(); }
Error TraceExpander::visit(NewCPUIDRecord &R) {
CPUId = R.cpuid();
BaseTSC = R.tsc();
return Error::success();
}
Error TraceExpander::visit(TSCWrapRecord &R) {
BaseTSC = R.tsc();
return Error::success();
}
Error TraceExpander::visit(CustomEventRecord &R) {
resetCurrentRecord();
if (!IgnoringRecords) {
CurrentRecord.TSC = R.tsc();
CurrentRecord.CPU = R.cpu();
CurrentRecord.PId = PID;
CurrentRecord.TId = TID;
CurrentRecord.Type = RecordTypes::CUSTOM_EVENT;
CurrentRecord.Data = std::string(R.data());
BuildingRecord = true;
}
return Error::success();
}
Error TraceExpander::visit(CustomEventRecordV5 &R) {
resetCurrentRecord();
if (!IgnoringRecords) {
BaseTSC += R.delta();
CurrentRecord.TSC = BaseTSC;
CurrentRecord.CPU = CPUId;
CurrentRecord.PId = PID;
CurrentRecord.TId = TID;
CurrentRecord.Type = RecordTypes::CUSTOM_EVENT;
CurrentRecord.Data = std::string(R.data());
BuildingRecord = true;
}
return Error::success();
}
Error TraceExpander::visit(TypedEventRecord &R) {
resetCurrentRecord();
if (!IgnoringRecords) {
BaseTSC += R.delta();
CurrentRecord.TSC = BaseTSC;
CurrentRecord.CPU = CPUId;
CurrentRecord.PId = PID;
CurrentRecord.TId = TID;
CurrentRecord.RecordType = R.eventType();
CurrentRecord.Type = RecordTypes::TYPED_EVENT;
CurrentRecord.Data = std::string(R.data());
BuildingRecord = true;
}
return Error::success();
}
Error TraceExpander::visit(CallArgRecord &R) {
CurrentRecord.CallArgs.push_back(R.arg());
CurrentRecord.Type = RecordTypes::ENTER_ARG;
return Error::success();
}
Error TraceExpander::visit(PIDRecord &R) {
PID = R.pid();
return Error::success();
}
Error TraceExpander::visit(NewBufferRecord &R) {
if (IgnoringRecords)
IgnoringRecords = false;
TID = R.tid();
if (LogVersion == 2)
PID = R.tid();
return Error::success();
}
Error TraceExpander::visit(EndBufferRecord &) {
IgnoringRecords = true;
resetCurrentRecord();
return Error::success();
}
Error TraceExpander::visit(FunctionRecord &R) {
resetCurrentRecord();
if (!IgnoringRecords) {
BaseTSC += R.delta();
CurrentRecord.Type = R.recordType();
CurrentRecord.FuncId = R.functionId();
CurrentRecord.TSC = BaseTSC;
CurrentRecord.PId = PID;
CurrentRecord.TId = TID;
CurrentRecord.CPU = CPUId;
BuildingRecord = true;
}
return Error::success();
}
Error TraceExpander::flush() {
resetCurrentRecord();
return Error::success();
}
} // namespace xray
} // namespace llvm