profiler_metrics_ios.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_SOURCE_PROFILER_METRICS_IOS_H_
#define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_SOURCE_PROFILER_METRICS_IOS_H_
 
#include <mach/mach.h>
 
#include <cassert>
#include <optional>
 
#include "flutter/fml/logging.h"
#include "flutter/shell/profiling/sampling_profiler.h"
 
namespace flutter {
 
/**
 * @brief Utility class that gathers profiling metrics used by
 * `flutter::SamplingProfiler`.
 *
 * @see flutter::SamplingProfiler
 */
class ProfilerMetricsIOS {
 public:
  ProfilerMetricsIOS() = default;
 
  ProfileSample GenerateSample();
 
 private:
  std::optional<CpuUsageInfo> CpuUsage();
 
  std::optional<MemoryUsageInfo> MemoryUsage();
 
  FML_DISALLOW_COPY_AND_ASSIGN(ProfilerMetricsIOS);
};
 
}  // namespace flutter
 
#endif  // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_SOURCE_PROFILER_METRICS_IOS_H_