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