FDRTraceExpander.cpp
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//===- FDRTraceExpander.cpp -----------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/XRay/FDRTraceExpander.h"
namespace llvm {
namespace xray {
void TraceExpander::resetCurrentRecord() {
if (BuildingRecord)
C(CurrentRecord);
BuildingRecord = false;
CurrentRecord.CallArgs.clear();
CurrentRecord.Data.clear();
}
Error TraceExpander::visit(BufferExtents &) {
resetCurrentRecord();
return Error::success();
}
Error TraceExpander::visit(WallclockRecord &) { return Error::success(); }
Error TraceExpander::visit(NewCPUIDRecord &R) {
CPUId = R.cpuid();
BaseTSC = R.tsc();
return Error::success();
}
Error TraceExpander::visit(TSCWrapRecord &R) {
BaseTSC = R.tsc();
return Error::success();
}
Error TraceExpander::visit(CustomEventRecord &R) {
resetCurrentRecord();
if (!IgnoringRecords) {
CurrentRecord.TSC = R.tsc();
CurrentRecord.CPU = R.cpu();
CurrentRecord.PId = PID;
CurrentRecord.TId = TID;
CurrentRecord.Type = RecordTypes::CUSTOM_EVENT;
CurrentRecord.Data = R.data();
BuildingRecord = true;
}
return Error::success();
}
Error TraceExpander::visit(CustomEventRecordV5 &R) {
resetCurrentRecord();
if (!IgnoringRecords) {
BaseTSC += R.delta();
CurrentRecord.TSC = BaseTSC;
CurrentRecord.CPU = CPUId;
CurrentRecord.PId = PID;
CurrentRecord.TId = TID;
CurrentRecord.Type = RecordTypes::CUSTOM_EVENT;
CurrentRecord.Data = R.data();
BuildingRecord = true;
}
return Error::success();
}
Error TraceExpander::visit(TypedEventRecord &R) {
resetCurrentRecord();
if (!IgnoringRecords) {
BaseTSC += R.delta();
CurrentRecord.TSC = BaseTSC;
CurrentRecord.CPU = CPUId;
CurrentRecord.PId = PID;
CurrentRecord.TId = TID;
CurrentRecord.RecordType = R.eventType();
CurrentRecord.Type = RecordTypes::TYPED_EVENT;
CurrentRecord.Data = R.data();
BuildingRecord = true;
}
return Error::success();
}
Error TraceExpander::visit(CallArgRecord &R) {
CurrentRecord.CallArgs.push_back(R.arg());
CurrentRecord.Type = RecordTypes::ENTER_ARG;
return Error::success();
}
Error TraceExpander::visit(PIDRecord &R) {
PID = R.pid();
return Error::success();
}
Error TraceExpander::visit(NewBufferRecord &R) {
if (IgnoringRecords)
IgnoringRecords = false;
TID = R.tid();
if (LogVersion == 2)
PID = R.tid();
return Error::success();
}
Error TraceExpander::visit(EndBufferRecord &) {
IgnoringRecords = true;
resetCurrentRecord();
return Error::success();
}
Error TraceExpander::visit(FunctionRecord &R) {
resetCurrentRecord();
if (!IgnoringRecords) {
BaseTSC += R.delta();
CurrentRecord.Type = R.recordType();
CurrentRecord.FuncId = R.functionId();
CurrentRecord.TSC = BaseTSC;
CurrentRecord.PId = PID;
CurrentRecord.TId = TID;
CurrentRecord.CPU = CPUId;
BuildingRecord = true;
}
return Error::success();
}
Error TraceExpander::flush() {
resetCurrentRecord();
return Error::success();
}
} // namespace xray
} // namespace llvm