2 import sys, re, struct, mmap
3 from bup import git, options
4 from bup.helpers import *
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)
28 bup memtest [-n elements] [-c cycles]
30 n,number= number of objects per cycle
31 c,cycles= number of cycles to run
32 ignore-midx ignore .midx files, use only .idx files
34 o = options.Options('bup memtest', optspec)
35 (opt, flags, extra) = o.parse(sys.argv[1:])
38 o.fatal('no arguments expected')
40 git.ignore_midx = opt.ignore_midx
42 git.check_repo_or_die()
43 m = git.PackIdxList(git.repo('objects/pack'))
45 cycles = opt.cycles or 100
46 number = opt.number or 10000
49 f = open('/dev/urandom')
52 for c in xrange(cycles):
53 for n in xrange(number):
56 bytes = list(struct.unpack('!BBB', b)) + [0]*17
58 bin = struct.pack('!20s', s_from_bytes(bytes))
61 a[2] = chr(ord(b[2]) & 0xf0)
63 #print bin.encode('hex')