~percona-dev/percona-server/5.1.57-fix_bug_785564

import struct

import sys

# bytes per single LRU entry

blocksize=8

flru = open(sys.argv[1], 'rb')

L = []

while True:

        s1 = flru.read(blocksize)

        if s1=="":

                break;

        # InnoDB uses big-endian format for storage

        val = struct.unpack('>II', s1)

        if (val[0]>0) or (val[1]>0):

                L.append(val)

print "Length:", len(L)

L.sort()

flru.close()

fsorted = open(sys.argv[1], 'wb')

for item in L:

        # InnoDB uses big-endian format for storage

        pk=struct.pack('>II', item[0],item[1])

        fsorted.write(pk)

pk=struct.pack('>II',0,0);

for i in range(0, 16*1024 / 8):

        fsorted.write(pk)

fsorted.close()

print "Done!"