cpu_measure.h

Go to the documentation of this file.

//=============================================================================
// Copyright 2017 FLIR Integrated Imaging Solutions, Inc. All Rights Reserved.
//
// This software is the confidential and proprietary information of FLIR
// Integrated Imaging Solutions, Inc. ("Confidential Information"). You
// shall not disclose such Confidential Information and shall use it only in
// accordance with the terms of the license agreement you entered into
// with FLIR Integrated Imaging Solutions, Inc. (FLIR).
//
// FLIR MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
// SOFTWARE, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE, OR NON-INFRINGEMENT. FLIR SHALL NOT BE LIABLE FOR ANY DAMAGES
// SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
// THIS SOFTWARE OR ITS DERIVATIVES.
//=============================================================================

#pragma once

#include <sys/types.h>
#include <unistd.h>


class CpuMeasure
{
public:

        CpuMeasure();
        ~CpuMeasure();

        bool Start();
        bool Stop();

        float GetCPUTime();
        float GetUserTime();
        float GetKernelTime();

        float GetGlobalUserTime();
        float GetGlobalKernelTime();

private:
                
        pid_t m_process_id;
        unsigned int m_num_cpus;

        unsigned long m_user_cpu_time_process_start;
        unsigned long m_kernel_cpu_time_process_start;
        unsigned long m_user_cpu_time_process_stop;
        unsigned long m_kernel_cpu_time_process_stop;

        unsigned long long m_user_cpu_time_system_start;
        unsigned long long m_kernel_cpu_time_system_start;
        unsigned long long m_user_cpu_time_system_stop;
        unsigned long long m_kernel_cpu_time_system_stop;

        unsigned long long m_nice_cpu_time_system_start;
        unsigned long long m_idle_cpu_time_system_start;
        unsigned long long m_nice_cpu_time_system_stop;
        unsigned long long m_idle_cpu_time_system_stop;

        unsigned long long m_system_wide_user_start;
        unsigned long long m_system_wide_user_stop;
};