#!/usr/bin/env python
import re
import os
import sys

MY_PID = str(os.getpid())

PATTERN_LITERAL = '|'.join('(' + arg + ')' for arg in sys.argv[1:])
PATTERN = re.compile(PATTERN_LITERAL)

TID_TO_COMM = {}
STACK_TO_TID_LIST = {}

def get_comm(tid):
    comm_path = os.path.join('/proc', tid, 'comm')
    try:
        with open(comm_path) as comm_file:
            return comm_file.readline().strip()
    except:
        return None

def get_stack(tid):
    stack_path = os.path.join('/proc', tid, 'stack')
    try:
        with open(stack_path) as stack_file:
            return stack_file.read()
    except:
        return None

for pid in os.listdir('/proc'):
    if not pid.isdigit():
	continue

    if pid == MY_PID:
        continue

    comm = get_comm(pid)
    if not comm:
        continue

    if not PATTERN.search(comm):
        continue

    task_path = os.path.join('/proc', pid, 'task')
    for tid in os.listdir(task_path):
        TID_TO_COMM[tid] = comm
        stack = get_stack(tid)
        if not stack:
            continue

        STACK_TO_TID_LIST.setdefault(stack, []).append(tid)

for stack, tid_list in STACK_TO_TID_LIST.items():
    tid_list.sort(key=lambda tid: int(tid))

    for tid in tid_list:
        print tid, TID_TO_COMM[tid]

    print stack
    print