Process

Cross-platform library of utilities for obtaining metrics of the current process

Status:

• Windows
• Linux
• MacOS
• Android. Example
• Termux
• FreeBSD
• OpenBSD
• NetBSD
• Solaris
• AIX
• ...

Example:

CMakeLists.txt:

cmake_minimum_required(VERSION3.20)
project(Test LANGUAGESCXX)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_C_STANDARD 11)
set(CXX_EXTENSIONS OFF)
set(C_EXTENSIONS OFF)
include(FetchContent)
FetchContent_Declare(Process GIT_REPOSITORY"https://github.com/ttldtor/Process.git"GIT_TAG default)
FetchContent_MakeAvailable(Process)
add_executable(${PROJECT_NAME}main.cpp
)
target_link_libraries(${PROJECT_NAME}PRIVATEprocess::process)

main.cpp:

#include<process/process.hpp>
#include<chrono>
#include<iostream>
#include<vector>usingnamespacestd::literals;usingnamespaceorg::ttldtor::process;intmain() {
auto now = [] {
return std::chrono::duration_cast<std::chrono::seconds>(std::chrono::steady_clock::now().time_since_epoch())
.count();
};
std::cout << "Physical memory usage: " << Process::getPhysicalMemorySize() / 1024 << "KB" << std::endl;
std::cout << "Total CPU time: " << Process::getTotalProcessorTime().count() << "ms" << std::endl;
auto t1 = now();
while (now() - t1 <= 5) {
static std::size_t i = 0;
(void)(i++);
}
std::cout << "Total CPU time (+5s): " << Process::getTotalProcessorTime().count() << "ms" << std::endl;
std::cout << "Physical memory usage: " << Process::getPhysicalMemorySize() / 1024 << "KB" << std::endl;
std::vector<std::uint8_t> vb(10 * 1024 * 1024);
std::cout << "Physical memory usage (+10MB): " << Process::getPhysicalMemorySize() / 1024 << "KB" << std::endl;
vb.resize(1);
vb.shrink_to_fit();
std::cout << "Physical memory usage (-10MB): " << Process::getPhysicalMemorySize() / 1024 << "KB" << std::endl;
}

Program output:

Physical memory usage: 4168KB
Total CPU time: 0ms
Total CPU time (+5s): 5609ms
Physical memory usage: 4212KB
Physical memory usage (+10MB): 14460KB
Physical memory usage (-10MB): 4216KB