63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
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//===- FDRTraceExpander.h - XRay FDR Mode Log Expander --------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// We define an FDR record visitor which can re-constitute XRayRecord instances
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// from a sequence of FDR mode records in arrival order into a collection.
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//
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//===----------------------------------------------------------------------===//
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#ifndef INCLUDE_LLVM_XRAY_FDRTRACEEXPANDER_H_
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#define INCLUDE_LLVM_XRAY_FDRTRACEEXPANDER_H_
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/XRay/FDRRecords.h"
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#include "llvm/XRay/XRayRecord.h"
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namespace llvm {
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namespace xray {
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class TraceExpander : public RecordVisitor {
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// Type-erased callback for handling individual XRayRecord instances.
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function_ref<void(const XRayRecord &)> C;
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int32_t PID = 0;
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int32_t TID = 0;
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uint64_t BaseTSC = 0;
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XRayRecord CurrentRecord{0, 0, RecordTypes::ENTER, 0, 0, 0, 0, {}, {}};
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uint16_t CPUId = 0;
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uint16_t LogVersion = 0;
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bool BuildingRecord = false;
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bool IgnoringRecords = false;
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void resetCurrentRecord();
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public:
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explicit TraceExpander(function_ref<void(const XRayRecord &)> F, uint16_t L)
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: RecordVisitor(), C(std::move(F)), LogVersion(L) {}
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Error visit(BufferExtents &) override;
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Error visit(WallclockRecord &) override;
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Error visit(NewCPUIDRecord &) override;
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Error visit(TSCWrapRecord &) override;
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Error visit(CustomEventRecord &) override;
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Error visit(CallArgRecord &) override;
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Error visit(PIDRecord &) override;
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Error visit(NewBufferRecord &) override;
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Error visit(EndBufferRecord &) override;
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Error visit(FunctionRecord &) override;
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Error visit(CustomEventRecordV5 &) override;
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Error visit(TypedEventRecord &) override;
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// Must be called after all the records have been processed, to handle the
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// most recent record generated.
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Error flush();
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};
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} // namespace xray
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} // namespace llvm
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#endif // INCLUDE_LLVM_XRAY_FDRTRACEEXPANDER_H_
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