PHP Average Latency By Week

plot.py

from datetime import datetime

import matplotlib.pyplot as plt
import traceview

API_KEY = 'API KEY HERE'

def main():
    tv = traceview.TraceView(API_KEY)
    results = tv.server.latency_by_layer('Default', time_window='week')

    # get the php layer
    php = next((x for x in results if x.get('layer') == 'PHP'), None)

    # convert timestamps to datetime objects
    dates = [datetime.utcfromtimestamp(i[0]) for i in php['timeseries']['items']]

    # calculate average latency (total_latency / volume) and convert to
    # milliseconds
    average_latency = [((i[2] / i[1]) / 1000) for i in php['timeseries']['items']]

    # create a matplotlib plot
    plt.figure(figsize=(12, 5), dpi=80)
    plt.stackplot(dates, average_latency, colors=['#1dacd6'])
    plt.title('PHP Average Latency (ms) - by Week')
    plt.savefig('latency.png')

if __name__ == '__main__':
    main()