Ticket #1656: memory_monitor.cpp

#include <stdlib.h>

#include <stdio.h>
#include <unistd.h>

#include <OS.h>


void
print_system_info(system_info& infoSystem)
{
    get_system_info(&infoSystem);
    printf("------- memory info ------------\n");
    printf(" available memory: \t%ld MB\n", (infoSystem.max_pages * 4096) / (1024 * 1024));
    printf(" used memory: \t\t%ld MB\n", (infoSystem.used_pages * 4096) / (1024 * 1024));
    printf(" free memory: \t\t%ld MB\n", ((infoSystem.max_pages - infoSystem.used_pages) * 4096) / (1024 * 1024));
    printf("--------------------------------\n");
}


int
main()
{
    system_info info;
    
    while (true) {
        printf("\033[H\033[J"); // clear screen
        print_system_info(info);
        snooze(200000);
    }
    
    return 0;
}