kc3-lang/angle/src/tests/test_utils/runner/HistogramWriter.h

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• Hash : 3e5b6f81
  Author :
  Date : 2020-10-31T12:33:28
  

  Enable writing histogram-set-json-format.
  
  This uses the protobuf histogram functionality to build up a histogram
  set. The test suites then output the histograms to JSON. This is only
  implemented for angle_perftests.
  
  Bug: angleproject:5161
  Change-Id: Ia5a7868e8d8dcf4f13d83115ae622828c63ef0d9
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2482295
  Reviewed-by: Brian Sheedy <bsheedy@chromium.org>
  Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/tests/test_utils/runner/HistogramWriter.h

• //
  // Copyright 2020 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // HistogramWriter:
  //   Helper class for writing histogram-json-set-format files to JSON.
  
  #ifndef ANGLE_TESTS_TEST_UTILS_HISTOGRAM_WRITER_H_
  #define ANGLE_TESTS_TEST_UTILS_HISTOGRAM_WRITER_H_
  
  #include <map>
  #include <memory>
  #include <string>
  
  // Include forward delcarations for rapidjson types.
  #include <rapidjson/fwd.h>
  
  namespace catapult
  {
  class HistogramBuilder;
  }  // namespace catapult
  
  namespace angle
  {
  class HistogramWriter
  {
    public:
      HistogramWriter();
      ~HistogramWriter();
  
      void addSample(const std::string &measurement,
                     const std::string &story,
                     double value,
                     const std::string &units);
  
      void getAsJSON(rapidjson::Document *doc) const;
  
    private:
  #if defined(ANGLE_HAS_HISTOGRAMS)
      std::map<std::string, std::unique_ptr<catapult::HistogramBuilder>> mHistograms;
  #endif  // defined(ANGLE_HAS_HISTOGRAMS)
  };
  
  // Define a stub implementation when histograms are compiled out.
  #if !defined(ANGLE_HAS_HISTOGRAMS)
  inline HistogramWriter::HistogramWriter()  = default;
  inline HistogramWriter::~HistogramWriter() = default;
  inline void HistogramWriter::addSample(const std::string &measurement,
                                         const std::string &story,
                                         double value,
                                         const std::string &units)
  {}
  inline void HistogramWriter::getAsJSON(rapidjson::Document *doc) const {}
  #endif  // !defined(ANGLE_HAS_HISTOGRAMS)
  
  }  // namespace angle
  
  #endif  // ANGLE_TESTS_TEST_UTILS_HISTOGRAM_WRITER_H_
  

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