IABSD.fr/xenocara/lib/mesa/src/tool/pps/pps.h

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• Author : jsg
  Date : 2023-11-02 04:31:01
  Hash : 60059fee
  Message : Import Mesa 23.1.9

• lib/mesa/src/tool/pps/pps.h

• /*
   * Copyright © 2020 Collabora, Ltd.
   * Author: Antonio Caggiano <antonio.caggiano@collabora.com>
   *
   * SPDX-License-Identifier: MIT
   */
  
  #pragma once
  
  #include <perfetto.h>
  
  #define PPS_LOG PERFETTO_LOG
  #define PPS_LOG_IMPORTANT PERFETTO_ILOG
  #define PPS_LOG_ERROR PERFETTO_ELOG
  #define PPS_LOG_FATAL PERFETTO_FATAL
  
  namespace pps
  {
  enum class State {
     Stop,  // initial state, or stopped by the tracing service
     Start, // running, sampling data
  };
  
  /// @brief Checks whether a return value is valid
  /// @param res Result from a syscall
  /// @param msg Message to prepend to strerror
  /// @return True if ok, false otherwise
  bool check(int res, const char *msg);
  
  void make_thread_rt();
  
  /// @param num Numerator
  /// @param den Denominator
  /// @return A ratio between two floating point numbers, or 0 if the denominator is 0
  constexpr double ratio(double num, double den)
  {
     return den > 0.0 ? num / den : 0.0;
  }
  
  } // namespace pps