89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
//===- BlockIndexer.cpp - FDR Block Indexing VIsitor ----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// An implementation of the RecordVisitor which generates a mapping between a
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// thread and a range of records representing a block.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/XRay/BlockIndexer.h"
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namespace llvm {
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namespace xray {
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Error BlockIndexer::visit(BufferExtents &) { return Error::success(); }
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Error BlockIndexer::visit(WallclockRecord &R) {
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CurrentBlock.Records.push_back(&R);
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CurrentBlock.WallclockTime = &R;
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return Error::success();
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}
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Error BlockIndexer::visit(NewCPUIDRecord &R) {
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CurrentBlock.Records.push_back(&R);
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return Error::success();
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}
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Error BlockIndexer::visit(TSCWrapRecord &R) {
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CurrentBlock.Records.push_back(&R);
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return Error::success();
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}
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Error BlockIndexer::visit(CustomEventRecord &R) {
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CurrentBlock.Records.push_back(&R);
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return Error::success();
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}
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Error BlockIndexer::visit(CallArgRecord &R) {
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CurrentBlock.Records.push_back(&R);
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return Error::success();
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}
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Error BlockIndexer::visit(PIDRecord &R) {
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CurrentBlock.ProcessID = R.pid();
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CurrentBlock.Records.push_back(&R);
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return Error::success();
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}
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Error BlockIndexer::visit(NewBufferRecord &R) {
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if (!CurrentBlock.Records.empty())
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if (auto E = flush())
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return E;
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CurrentBlock.ThreadID = R.tid();
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CurrentBlock.Records.push_back(&R);
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return Error::success();
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}
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Error BlockIndexer::visit(EndBufferRecord &R) {
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CurrentBlock.Records.push_back(&R);
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return Error::success();
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}
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Error BlockIndexer::visit(FunctionRecord &R) {
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CurrentBlock.Records.push_back(&R);
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return Error::success();
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}
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Error BlockIndexer::flush() {
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Index::iterator It;
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std::tie(It, std::ignore) =
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Indices.insert({{CurrentBlock.ProcessID, CurrentBlock.ThreadID}, {}});
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It->second.push_back({CurrentBlock.ProcessID, CurrentBlock.ThreadID,
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CurrentBlock.WallclockTime,
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std::move(CurrentBlock.Records)});
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CurrentBlock.ProcessID = 0;
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CurrentBlock.ThreadID = 0;
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CurrentBlock.Records = {};
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CurrentBlock.WallclockTime = nullptr;
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return Error::success();
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}
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} // namespace xray
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} // namespace llvm
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