问Linux命令获取rtt

EN

1. The data rate transfer of the source’s internet connection.
2. The nature of transmission medium.
3. The physical distance between source and destination.
4. The number of nodes between source and destination.
5. The amount of traffic on the LAN(Local Area Network) to which end user is connected.
6. The number of other requests being handled by intermediate nodes and the remote server.
7. The speed with which intermediate node and the remote server function.
8.The presence of Interference in the circuit.

# This program is used to calculate RTT 

import time 
import requests 

# Function to calculate the RTT 
def RTT(url): 

    # time period when the signal is sent 
    t1 = time.time() 

    r = requests.get(url) 

    # time  period when acknowledgement of signal 
    # is received 
    t2 = time.time() 

    # total time taken during this process 
    tim = str(t2-t1) 

    print("Time in seconds :" + tim) 

# Pilot program 
# url address to hit
url = "http://www.google.com"
RTT(url) 

Time in seconds :0.0579478740692

ping -c 5 1.1.1.1 | sed -rn 's|.*=([0-9]+\.?[0-9]+?) ms|\1|p' | LC_ALL=C datamash median 1 perc 1