From SA-MP Wiki

NetStats_PacketLossPercent

This function was added in SA-MP 0.3z and will not work in earlier versions!

Note	This function has been found to be currently unreliable the output is not as expected when compared to the client. Therefore this function should not be used as a packet loss kicker.

Description:

Return Values:

Example Usage:

public OnPlayerCommandText(playerid,cmdtext[])
{    
    if(!strcmp(cmdtext, "/packetloss"))
    {
        new szString[144];
        format(szString, sizeof(szString), "Packets lost: %.2f percent.", NetStats_PacketLossPercent(playerid));
        SendClientMessage(playerid, -1, szString);
    }
    return 1;
}

Related Functions

The following functions may be helpful as they relate to this function in one way or another.

• GetPlayerNetworkStats: Gets a player networkstats and saves it into a string.

• GetNetworkStats: Gets the servers networkstats and saves it into a string.

• NetStats_GetConnectedTime: Get the time that a player has been connected for.

• NetStats_MessagesReceived: Get the number of network messages the server has received from the player.

• NetStats_BytesReceived: Get the amount of information (in bytes) that the server has received from the player.

• NetStats_MessagesSent: Get the number of network messages the server has sent to the player.

• NetStats_BytesSent: Get the amount of information (in bytes) that the server has sent to the player.

• NetStats_MessagesRecvPerSecond: Get the number of network messages the server has received from the player in the last second.

• NetStats_ConnectionStatus: Get a player's connection status.

• NetStats_GetIpPort: Get a player's IP and port.A more accurate packetloss function can be found here: http://forum.sa-mp.com/showpost.php?p=2488911&postcount=984