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import subprocess
import time
import shlex
import re
import sys
import matplotlib.pyplot as plt
import pickle
import numpy as np
import os
def collect(d, node_type):
if node_type=='enb':
cmd='cat L1_stats.log MAC_stats.log PDCP_stats.log RRC_stats.log'
else: #'gnb'
cmd='cat nrL1_stats.log nrMAC_stats.log nrPDCP_stats.log nrRRC_stats.log'
process=subprocess.Popen(shlex.split(cmd), stdout=subprocess.PIPE)
output = process.stdout.readlines()
for l in output:
tmp=l.decode("utf-8")
result=re.match(rf'^.*\bPHR\b ([0-9]+).+\bbler\b ([0-9]+\.[0-9]+).+\bmcsoff\b ([0-9]+).+\bmcs\b ([0-9]+)',tmp)
if result is not None:
d['PHR'].append(int(result.group(1)))
d['bler'].append(float(result.group(2)))
d['mcsoff'].append(int(result.group(3)))
d['mcs'].append(int(result.group(4)))
def graph(d, node_type):
figure, axis = plt.subplots(4, 1,figsize=(10, 10))
major_ticks = np.arange(0, len(d['PHR'])+1, 1)
axis[0].set_xticks(major_ticks)
axis[0].set_xticklabels([])
axis[0].plot(d['PHR'],marker='o')
axis[0].set_xlabel('time')
axis[0].set_ylabel('PHR')
axis[0].set_title("PHR")
major_ticks = np.arange(0, len(d['bler'])+1, 1)
axis[1].set_xticks(major_ticks)
axis[1].set_xticklabels([])
axis[1].plot(d['bler'],marker='o')
axis[1].set_xlabel('time')
axis[1].set_ylabel('bler')
axis[1].set_title("bler")
major_ticks = np.arange(0, len(d['mcsoff'])+1, 1)
axis[2].set_xticks(major_ticks)
axis[2].set_xticklabels([])
axis[2].plot(d['mcsoff'],marker='o')
axis[2].set_xlabel('time')
axis[2].set_ylabel('mcsoff')
axis[2].set_title("mcsoff")
major_ticks = np.arange(0, len(d['mcs'])+1, 1)
axis[3].set_xticks(major_ticks)
axis[3].set_xticklabels([])
axis[3].plot(d['mcs'],marker='o')
axis[3].set_xlabel('time')
axis[3].set_ylabel('mcs')
axis[3].set_title("mcs")
plt.tight_layout()
# Combine all the operations and display
plt.savefig(node_type+'_stats_monitor.png')
plt.show()
if __name__ == "__main__":
node_type = sys.argv[1]#enb or gnb
d={}
d['PHR']=[]
d['bler']=[]
d['mcsoff']=[]
d['mcs']=[]
cmd='ps aux | grep modem | grep -v grep'
process=subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
output = process.stdout.readlines()
while len(output)!=0 :
collect(d, node_type)
process=subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
output = process.stdout.readlines()
time.sleep(1)
print('process stopped')
with open(node_type+'_stats_monitor.pickle', 'wb') as handle:
pickle.dump(d, handle, protocol=pickle.HIGHEST_PROTOCOL)
graph(d, node_type)