2 import sys, re, struct, mmap
7 def s_from_bytes(bytes):
8 clist = [chr(b) for b in bytes]
13 fields = ['VmSize', 'VmRSS', 'VmData', 'VmStk']
15 for line in open('/proc/self/status').readlines():
16 l = re.split(r':\s*', line.strip(), 1)
20 fields = [d[k] for k in fields]
23 print ('%9s ' + ('%10s ' * len(fields))) % tuple([e1] + fields)
27 memtest [-n elements] [-c cycles]
29 n,number= number of objects per cycle
30 c,cycles= number of cycles to run
31 ignore-midx ignore .midx files, use only .idx files
33 o = options.Options(sys.argv[0], optspec)
34 (opt, flags, extra) = o.parse(sys.argv[1:])
39 git.ignore_midx = opt.ignore_midx
41 git.check_repo_or_die()
42 m = git.MultiPackIndex(git.repo('objects/pack'))
44 cycles = opt.cycles or 100
45 number = opt.number or 10000
48 f = open('/dev/urandom')
51 for c in xrange(cycles):
52 for n in xrange(number):
55 bytes = list(struct.unpack('!BBB', b)) + [0]*17
57 bin = struct.pack('!20s', s_from_bytes(bytes))
60 a[2] = chr(ord(b[2]) & 0xf0)
62 #print bin.encode('hex')