Test jemalloc memory profile

CMakeLists.txt

cmake_minimum_required(VERSION 3.17)
project(MyCppTest)

set(CMAKE_CXX_STANDARD 20)

include_directories(/tmp/jemalloc/include)

link_directories(/tmp/jemalloc/lib)
add_library(jemalloc SHARED IMPORTED)

add_executable(MyCppTest src/Main.cpp)

Main.cpp

#include <iostream>
#include <vector>
#include <jemalloc/jemalloc.h>
#include <stdlib.h>

using namespace std;

int main() {
    vector<string> V1 = { "A", "B" };
    for ( auto & v1 : V1 ) {
        std::cout << "-->" << v1 << "\n";
    }

    const char *fileName = "heap_info.out";
    je_mallctl("prof.dump", NULL, NULL, &fileName, sizeof(const char *));

    return 0;
}

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