#!/usr/bin/env python2

import sys, os
import collections

def parse_meminfo(filename):
    def parse(filename):
        lines = []
        for line in open(filename):
            line = line[:-1]
            if line.startswith('** MEMINFO in pid '):
                if len(lines) > 3:
                    yield get_binder_info(lines)
                lines = []
            lines.append(line)
        yield get_binder_info(lines)

    d = {}
    for pid, name, binder_info in parse(filename):
        d[name] = binder_info
    return d

def get_binder_info(item):
    l = item[0].split()
    pid = l[4]
    pname = l[5][1:-1]

    proxies = []
    lines = []

    for line in item[2:]:
        if not line.strip():
            proxies.append('\n'.join(lines))
            lines = []
            continue
        if line.startswith('                         Shared'):
            break
        lines.append(line)

    return pid, pname, collections.Counter(proxies)

if __name__ == '__main__':
    def parse_args(argv):
        tags = []
        filenames = []
        for filename in argv:
            if os.access(filename, os.R_OK):
                filenames.append(filename)
            else:
                tags.append(filename)
        return tags, filenames

    tags, filenames = parse_args(sys.argv[1:])

    if not filenames:
        print 'Usage: %s dumpsys_meminfo_a_output1 dumpsys_meminfo_a_output2 ...'%sys.argv[0]
        sys.exit(-1)

    parsed = map(parse_meminfo, filenames)
    now = parsed[-1]

    if not tags:
        tags = now.keys() # ['system', ]

    for tag in tags:
        printed = False
        for k, v in now[tag].most_common(10):
            if v < 4: continue
            if not printed:
                print 'process: ', tag
                printed = True
            print 'count history:', map(lambda x: x.get(tag, {}).get(k, 0), parsed)
            print 'item: ', k
            print