#!/usr/bin/env python3
import json
import matplotlib.pyplot as plt
import sys

bar_width = 0.25
index = []
def plot(process_data):
    fig, ax = plt.subplots(figsize=(10,5))
    
    plot_data(0,[latency(p) for p in process_data], 'r', 'Latency')
    plot_data(1,[ready(p) for p in process_data],   'g', 'Ready')
    plot_data(2,[cpu(p) for p in process_data],     'b', 'CPU')
    plot_data(3,[cpu_io(p) for p in process_data],  '#deadbe', 'CPU+IO')
    
    ax.set_ylabel('Time')
    ax.set_title('title')
    ax.set_xticks([ i + 1.5 * bar_width for i in index])
    ax.set_xticklabels(["Process %d" % i for i in range(len(process_data))])
    
    plt.legend()
    
    plt.tight_layout()
    plt.grid()
    plt.savefig('out.png')
    plt.show()


def latency(p):
    return p["primerTick"]-p["cargaTick"]

def ready(p):
    return (p["ultimoTick"]-p["primerTick"])-(p["ticksBlock"]+p["ticksCpu"])+(p["primerTick"]-p["cargaTick"])

def cpu(p):
    return p["ticksCpu"]

def cpu_io(p):
    return p["ticksBlock"]+p["ticksCpu"]

def plot_data(ind, data, color, label):
    opacity = 1
    plt.bar([i + bar_width*ind for i in index],
        data,
        bar_width,
        alpha=opacity,
        color=color,
        label=(label))

if sys.stdin.isatty():
    print("lol")
    sys.exit(1)

try:
    data = sys.stdin.read()
    data = json.loads(data)
    index = [ 1.2*i for i in list(range(len(data))) ]
    plot(data)
except Exception as e:
    print(data)
    print(e)