97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/**
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BSD 3-Clause License
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This file is part of the Basalt project.
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https://gitlab.com/VladyslavUsenko/basalt.git
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Copyright (c) 2021, Vladyslav Usenko and Nikolaus Demmel.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <basalt/utils/system_utils.h>
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#include <fstream>
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#if __APPLE__
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#include <mach/mach.h>
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#include <mach/task.h>
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#elif __linux__
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#include <unistd.h>
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#include <sys/resource.h>
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#endif
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namespace basalt {
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bool get_memory_info(MemoryInfo& info) {
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#if __APPLE__
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mach_task_basic_info_data_t t_info;
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mach_msg_type_number_t t_info_count = MACH_TASK_BASIC_INFO_COUNT;
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if (KERN_SUCCESS != task_info(mach_task_self(), MACH_TASK_BASIC_INFO,
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(task_info_t)&t_info, &t_info_count)) {
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return false;
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}
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info.resident_memory = t_info.resident_size;
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info.resident_memory_peak = t_info.resident_size_max;
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/*
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struct rusage resource_usage;
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getrusage(RUSAGE_SELF, &resource_usage);
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info.resident_memory_peak = resource_usage.ru_maxrss;
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*/
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return true;
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#elif __linux__
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// get current memory first
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std::size_t program_size = 0;
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std::size_t resident_size = 0;
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std::ifstream fs("/proc/self/statm");
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if (fs.fail()) {
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return false;
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}
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fs >> program_size;
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fs >> resident_size;
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info.resident_memory = resident_size * sysconf(_SC_PAGESIZE);
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// get peak memory after that
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struct rusage resource_usage;
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getrusage(RUSAGE_SELF, &resource_usage);
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info.resident_memory_peak = resource_usage.ru_maxrss * 1024;
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return true;
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#else
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return false;
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#endif
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}
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} // namespace basalt
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