create a cpu score for threads from a thread dump

tdump-rpt.py

#!/usr/bin/env python3

import sys
import re
from collections import defaultdict


def parse_thread_dump(content):
    thread_pattern =\
            r'"(.*?)"\s+#\d+\s+.*?cpu=(.*?)ms\s+elapsed=(.*?)s\s+tid=.*'
    threads = re.findall(thread_pattern, content)

    summary = defaultdict(lambda: [0, 0, 0, 0])
    for thread_name, cpu_time, elapsed_time in threads:
        summary[thread_name][0] += 1
        summary[thread_name][1] += float(cpu_time)
        summary[thread_name][2] += float(elapsed_time)
        summary[thread_name][3] = (summary[thread_name][1] /
                                   (summary[thread_name][2] * 1000)) * 100

    print("Thread Name,Instances,CPU Time (ms),Elapsed Time \
            (s),Average CPU Usage (%)")

    sorted_summary = sorted(summary.items(),
                            key=lambda x: x[1][3], reverse=True)
    for thread_name, (instances, cpu_time,
                      elapsed_time, avg_cpu_usage) in sorted_summary:
        print(f"{thread_name},{instances},{cpu_time:.2f},{elapsed_time:.2f}, \
              {avg_cpu_usage:.2f}")


if __name__ == "__main__":
    content = sys.stdin.read()
    parse_thread_dump(content)