Как смотреть fps Линукс сервера

#include <amxmodx>
#include <fakemeta>

#define PLUGIN "Server Frames"
#define VERSION "1.0"
#define AUTHOR "Alka"

new bool:ShowFramesStatus[33];

public plugin_init() {
    
    register_plugin(PLUGIN, VERSION, AUTHOR);
    
    register_forward(FM_StartFrame, "Fwd_StartFrame");
    
    register_clcmd("say /showfps", "CmdShowFps");
    register_clcmd("say /fps", "CmdShowFps");
}

public CmdShowFps(id)
{
    if(!ShowFramesStatus[id])
    {
        ShowFramesStatus[id] = true;
        client_print(id, print_chat, "From now, you will see server frames/sec.");
    }
    else
    {
        ShowFramesStatus[id] = false;
        client_print(id, print_chat, "You will no longer see server frames/sec.");
    }
}

public client_disconnect(id)
    ShowFramesStatus[id] = false;

public Fwd_StartFrame()
{
    static Float:GameTime, Float:FramesPer = 0.0;
    static Float:Fps;
    
    GameTime = get_gametime();
    
    if(FramesPer >= GameTime)
        Fps += 1.0;
    else
    {
        FramesPer = FramesPer + 1.0; //Frames per 1 sec.
        
        static Players[32], Num;
        get_players(Players, Num);
        
        for(new i = 0 ; i < Num ; i++)
        {
            if(!ShowFramesStatus[Players[i]])
                continue;
            
            set_hudmessage(255, 0, 0, -1.0, 0.9, 0, 1.0, 1.0, 0.1, 0.1, -1);
            show_hudmessage(Players[i], "Server Frames/Sec : %.1f", Fps);
        }
        Fps = 0.0;
    }
}