Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
14 | pmbaty | 1 | //===- FDRTraceExpander.h - XRay FDR Mode Log Expander --------------------===// |
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 | // We define an FDR record visitor which can re-constitute XRayRecord instances |
||
10 | // from a sequence of FDR mode records in arrival order into a collection. |
||
11 | // |
||
12 | //===----------------------------------------------------------------------===// |
||
13 | #ifndef LLVM_XRAY_FDRTRACEEXPANDER_H |
||
14 | #define LLVM_XRAY_FDRTRACEEXPANDER_H |
||
15 | |||
16 | #include "llvm/ADT/STLExtras.h" |
||
17 | #include "llvm/XRay/FDRRecords.h" |
||
18 | #include "llvm/XRay/XRayRecord.h" |
||
19 | |||
20 | namespace llvm { |
||
21 | namespace xray { |
||
22 | |||
23 | class TraceExpander : public RecordVisitor { |
||
24 | // Type-erased callback for handling individual XRayRecord instances. |
||
25 | function_ref<void(const XRayRecord &)> C; |
||
26 | int32_t PID = 0; |
||
27 | int32_t TID = 0; |
||
28 | uint64_t BaseTSC = 0; |
||
29 | XRayRecord CurrentRecord{0, 0, RecordTypes::ENTER, 0, 0, 0, 0, {}, {}}; |
||
30 | uint16_t CPUId = 0; |
||
31 | uint16_t LogVersion = 0; |
||
32 | bool BuildingRecord = false; |
||
33 | bool IgnoringRecords = false; |
||
34 | |||
35 | void resetCurrentRecord(); |
||
36 | |||
37 | public: |
||
38 | explicit TraceExpander(function_ref<void(const XRayRecord &)> F, uint16_t L) |
||
39 | : C(std::move(F)), LogVersion(L) {} |
||
40 | |||
41 | Error visit(BufferExtents &) override; |
||
42 | Error visit(WallclockRecord &) override; |
||
43 | Error visit(NewCPUIDRecord &) override; |
||
44 | Error visit(TSCWrapRecord &) override; |
||
45 | Error visit(CustomEventRecord &) override; |
||
46 | Error visit(CallArgRecord &) override; |
||
47 | Error visit(PIDRecord &) override; |
||
48 | Error visit(NewBufferRecord &) override; |
||
49 | Error visit(EndBufferRecord &) override; |
||
50 | Error visit(FunctionRecord &) override; |
||
51 | Error visit(CustomEventRecordV5 &) override; |
||
52 | Error visit(TypedEventRecord &) override; |
||
53 | |||
54 | // Must be called after all the records have been processed, to handle the |
||
55 | // most recent record generated. |
||
56 | Error flush(); |
||
57 | }; |
||
58 | |||
59 | } // namespace xray |
||
60 | } // namespace llvm |
||
61 | |||
62 | #endif // LLVM_XRAY_FDRTRACEEXPANDER_H |