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import sys
import re
import argparse
from datetime import datetime, timedelta
def str2datetime(s):
parts = s.split('.')
dt = datetime.strptime(parts[0], "%Y-%m-%d %H:%M:%S")
return dt.replace(microsecond=int(parts[1]))
def plot_thr(fname):
import matplotlib.pyplot as plt
x = range(len(values))
y = values
plt.xlabel(r"time")
plt.ylabel(r"tx/sec")
plt.plot(x, y)
plt.show()
plt.savefig(fname)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--interval', type=float, default=1, required=False)
parser.add_argument('--output', type=str, default="hist.png", required=False)
args = parser.parse_args()
commit_pat = re.compile('([^[].*) \[hotstuff info\].*got <fin decision=1')
interval = args.interval
begin_time = None
next_begin_time = None
cnt = 0
timestamps = []
values = []
for line in sys.stdin:
m = commit_pat.match(line)
if m:
timestamps.append(str2datetime(m.group(1)))
timestamps.sort()
for timestamp in timestamps:
if begin_time and timestamp < next_begin_time:
cnt += 1
else:
if begin_time:
values.append(cnt)
begin_time = timestamp
next_begin_time = begin_time + timedelta(seconds=interval)
cnt = 1
values.append(cnt)
print(values)
plot_thr(args.output)
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