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//===- BlockIndexer.cpp - FDR Block Indexing VIsitor ----------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// An implementation of the RecordVisitor which generates a mapping between a
// thread and a range of records representing a block.
//
//===----------------------------------------------------------------------===//
#include "llvm/XRay/BlockIndexer.h"
namespace llvm {
namespace xray {
Error BlockIndexer::visit(BufferExtents &) { return Error::success(); }
Error BlockIndexer::visit(WallclockRecord &R) {
CurrentBlock.Records.push_back(&R);
CurrentBlock.WallclockTime = &R;
return Error::success();
}
Error BlockIndexer::visit(NewCPUIDRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(TSCWrapRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(CustomEventRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(CustomEventRecordV5 &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(TypedEventRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(CallArgRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(PIDRecord &R) {
CurrentBlock.ProcessID = R.pid();
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(NewBufferRecord &R) {
if (!CurrentBlock.Records.empty())
if (auto E = flush())
return E;
CurrentBlock.ThreadID = R.tid();
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(EndBufferRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::visit(FunctionRecord &R) {
CurrentBlock.Records.push_back(&R);
return Error::success();
}
Error BlockIndexer::flush() {
Index::iterator It;
std::tie(It, std::ignore) =
Indices.insert({{CurrentBlock.ProcessID, CurrentBlock.ThreadID}, {}});
It->second.push_back({CurrentBlock.ProcessID, CurrentBlock.ThreadID,
CurrentBlock.WallclockTime,
std::move(CurrentBlock.Records)});
CurrentBlock.ProcessID = 0;
CurrentBlock.ThreadID = 0;
CurrentBlock.Records = {};
CurrentBlock.WallclockTime = nullptr;
return Error::success();
}
} // namespace xray
} // namespace llvm
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