Viewing file:  FDRTraceExpander.h (2.07 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
//===- FDRTraceExpander.h - XRay FDR Mode Log Expander --------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// We define an FDR record visitor which can re-constitute XRayRecord instances
// from a sequence of FDR mode records in arrival order into a collection.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_XRAY_FDRTRACEEXPANDER_H
#define LLVM_XRAY_FDRTRACEEXPANDER_H
#include "llvm/ADT/STLExtras.h"
#include "llvm/XRay/FDRRecords.h"
#include "llvm/XRay/XRayRecord.h"
namespace llvm {
namespace xray {
class TraceExpander : public RecordVisitor {
// Type-erased callback for handling individual XRayRecord instances.
function_ref<void(const XRayRecord &)> C;
int32_t PID = 0;
int32_t TID = 0;
uint64_t BaseTSC = 0;
XRayRecord CurrentRecord{0, 0, RecordTypes::ENTER, 0, 0, 0, 0, {}, {}};
uint16_t CPUId = 0;
uint16_t LogVersion = 0;
bool BuildingRecord = false;
bool IgnoringRecords = false;
void resetCurrentRecord();
public:
explicit TraceExpander(function_ref<void(const XRayRecord &)> F, uint16_t L)
: C(std::move(F)), LogVersion(L) {}
Error visit(BufferExtents &) override;
Error visit(WallclockRecord &) override;
Error visit(NewCPUIDRecord &) override;
Error visit(TSCWrapRecord &) override;
Error visit(CustomEventRecord &) override;
Error visit(CallArgRecord &) override;
Error visit(PIDRecord &) override;
Error visit(NewBufferRecord &) override;
Error visit(EndBufferRecord &) override;
Error visit(FunctionRecord &) override;
Error visit(CustomEventRecordV5 &) override;
Error visit(TypedEventRecord &) override;
// Must be called after all the records have been processed, to handle the
// most recent record generated.
Error flush();
};
} // namespace xray
} // namespace llvm
#endif // LLVM_XRAY_FDRTRACEEXPANDER_H
|