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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- FDRTraceExpander.h - XRay FDR Mode Log Expander --------------------===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // We define an FDR record visitor which can re-constitute XRayRecord instances |
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| 10 | // from a sequence of FDR mode records in arrival order into a collection. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | #ifndef LLVM_XRAY_FDRTRACEEXPANDER_H |
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| 14 | #define LLVM_XRAY_FDRTRACEEXPANDER_H |
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| 15 | |||
| 16 | #include "llvm/ADT/STLExtras.h" |
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| 17 | #include "llvm/XRay/FDRRecords.h" |
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| 18 | #include "llvm/XRay/XRayRecord.h" |
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| 19 | |||
| 20 | namespace llvm { |
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| 21 | namespace xray { |
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| 22 | |||
| 23 | class TraceExpander : public RecordVisitor { |
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| 24 | // Type-erased callback for handling individual XRayRecord instances. |
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| 25 | function_ref<void(const XRayRecord &)> C; |
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| 26 | int32_t PID = 0; |
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| 27 | int32_t TID = 0; |
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| 28 | uint64_t BaseTSC = 0; |
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| 29 | XRayRecord CurrentRecord{0, 0, RecordTypes::ENTER, 0, 0, 0, 0, {}, {}}; |
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| 30 | uint16_t CPUId = 0; |
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| 31 | uint16_t LogVersion = 0; |
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| 32 | bool BuildingRecord = false; |
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| 33 | bool IgnoringRecords = false; |
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| 34 | |||
| 35 | void resetCurrentRecord(); |
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| 36 | |||
| 37 | public: |
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| 38 | explicit TraceExpander(function_ref<void(const XRayRecord &)> F, uint16_t L) |
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| 39 | : C(std::move(F)), LogVersion(L) {} |
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| 40 | |||
| 41 | Error visit(BufferExtents &) override; |
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| 42 | Error visit(WallclockRecord &) override; |
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| 43 | Error visit(NewCPUIDRecord &) override; |
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| 44 | Error visit(TSCWrapRecord &) override; |
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| 45 | Error visit(CustomEventRecord &) override; |
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| 46 | Error visit(CallArgRecord &) override; |
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| 47 | Error visit(PIDRecord &) override; |
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| 48 | Error visit(NewBufferRecord &) override; |
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| 49 | Error visit(EndBufferRecord &) override; |
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| 50 | Error visit(FunctionRecord &) override; |
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| 51 | Error visit(CustomEventRecordV5 &) override; |
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| 52 | Error visit(TypedEventRecord &) override; |
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| 53 | |||
| 54 | // Must be called after all the records have been processed, to handle the |
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| 55 | // most recent record generated. |
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| 56 | Error flush(); |
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| 57 | }; |
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| 58 | |||
| 59 | } // namespace xray |
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| 60 | } // namespace llvm |
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| 61 | |||
| 62 | #endif // LLVM_XRAY_FDRTRACEEXPANDER_H |