40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
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//===-- TestTracer.cpp - Tracing unit tests ---------------------*- C++ -*-===//
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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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#include "TestTracer.h"
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#include "support/Trace.h"
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#include "llvm/ADT/StringRef.h"
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#include <mutex>
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namespace clang {
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namespace clangd {
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namespace trace {
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void TestTracer::record(const Metric &Metric, double Value,
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llvm::StringRef Label) {
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std::lock_guard<std::mutex> Lock(Mu);
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Measurements[Metric.Name][Label].push_back(Value);
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}
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std::vector<double> TestTracer::takeMetric(llvm::StringRef Metric,
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llvm::StringRef Label) {
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std::lock_guard<std::mutex> Lock(Mu);
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auto LabelsIt = Measurements.find(Metric);
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if (LabelsIt == Measurements.end())
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return {};
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auto &Labels = LabelsIt->getValue();
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auto ValuesIt = Labels.find(Label);
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if (ValuesIt == Labels.end())
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return {};
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auto Res = std::move(ValuesIt->getValue());
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ValuesIt->getValue().clear();
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return Res;
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}
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} // namespace trace
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} // namespace clangd
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} // namespace clang
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