解析 /proc/pid/maps 文件的脚本

parse_maps.py

data_list = []
while (True):
    raw_data = input('paste maps string here: ' if len(data_list) == 0 else '')
    if (raw_data.strip() == ''): 
        break
    data_list.append(raw_data)
#print('====')
#print(data_list)
#print('====')

mem_map = {}
for item in data_list:
    tmp = item.split(' ')
    #print(tmp)
    addr = tmp[0].split('-')
    if len(addr) == 2:
        # print(addr[0], addr[1], tmp[-1][-20:])
        mem = (int(addr[1], 16) - int(addr[0], 16)) / 1024.0 / 1024.0
        #print(mem, tmp[-1][-30:])

        key = tmp[-1][-30:]
        if key in mem_map:
            mem_map[key].append(mem)
        else:
            li = []
            li.append(mem)
            mem_map[key] = li
    else:
        pass
for (k, v) in mem_map.items():
    print(k, ' ', sum(v), 'MB')