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plot_ping.py
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plot_ping.py
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'''
Plot ping RTTs over time
'''
from helper import *
import plot_defaults
from matplotlib.ticker import LinearLocator
from pylab import figure
parser = argparse.ArgumentParser()
parser.add_argument('--files', '-f',
help="Ping output files to plot",
required=True,
action="store",
nargs='+')
parser.add_argument('--xlimit',
help="Upper limit of x axis, data after ignored",
type=float,
default=8)
parser.add_argument('--out', '-o',
help="Output png file for the plot.",
default=None) # Will show the plot
args = parser.parse_args()
m.rc('figure', figsize=(32, 12))
fig = figure()
ax = fig.add_subplot(111)
for i, f in enumerate(args.files):
data = read_list(f)
xaxis = map(float, col(0, data))
rtts = map(float, col(1, data))
xaxis = [x - xaxis[0] for x in xaxis]
rtts = [r * 1000 for j, r in enumerate(rtts)
if xaxis[j] <= args.xlimit]
xaxis = [x for x in xaxis if x <= args.xlimit]
if "bbr" in args.files[i]:
name = "bbr"
else:
name = "cubic"
ax.plot(xaxis, rtts, lw=2, label=name)
plt.legend()
ax.xaxis.set_major_locator(LinearLocator(5))
plt.ylabel("RTT (ms)")
plt.xlabel("Seconds")
plt.grid(True)
plt.tight_layout()
if args.out:
plt.savefig(args.out)
else:
plt.show()