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
| //===- BlockIndexer.cpp - 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.
//
//===----------------------------------------------------------------------===//
#include "llvm/XRay/BlockIndexer.h"
namespace llvm {
namespace xray {
Error BlockIndexer::visit(BufferExtents &) { return Error::success(); }
Error BlockIndexer::visit(WallclockRecord &R) {
CurrentBlock.Records.push_back(&R);
CurrentBlock.WallclockTime = &R;
return Error::success();
}
Error BlockIndexer::visit(NewCPUIDRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(TSCWrapRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(CustomEventRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(CustomEventRecordV5 &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(TypedEventRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(CallArgRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(PIDRecord &R) {
CurrentBlock.ProcessID = R.pid();
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(NewBufferRecord &R) {
if (!CurrentBlock.Records.empty())
if (auto E = flush())
return E;
CurrentBlock.ThreadID = R.tid();
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(EndBufferRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(FunctionRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::flush() {
Index::iterator It;
std::tie(It, std::ignore) =
Indices.insert({{CurrentBlock.ProcessID, CurrentBlock.ThreadID}, {}});
It->second.push_back({CurrentBlock.ProcessID, CurrentBlock.ThreadID,
CurrentBlock.WallclockTime,
std::move(CurrentBlock.Records)});
CurrentBlock.ProcessID = 0;
CurrentBlock.ThreadID = 0;
CurrentBlock.Records = {};
CurrentBlock.WallclockTime = nullptr;
return Error::success();
}
} // namespace xray
} // namespace llvm
|