/usr/bin/obnam-benchmark is in obnam 0.24.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 | #!/usr/bin/python
#
# Copyright 2010, 2011 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import cliapp
import ConfigParser
import glob
import logging
import os
import shutil
import socket
import subprocess
import tempfile
class Table(object):
'''Represent tabular data for formatting purposes.'''
sep = ' '
def __init__(self):
self.caption = None
self.columns = []
self.rows = []
def add_column(self, heading1, heading2, format):
self.columns.append((heading1, heading2, format))
def add_row(self, data):
assert len(data) == len(self.columns)
self.rows.append(data)
def write_plaintext(self, f):
if self.caption:
f.write('%s\n%s\n\n' % (self.caption, '-' * len(self.caption)))
cells = []
cells.append([h1 for h1, h2, format in self.columns])
cells.append([h2 for h1, h2, format in self.columns])
for row in self.rows:
cells.append([self.format_cell(row[i], self.columns[i][2])
for i in range(len(self.columns))])
widths = self.compute_column_widths(cells)
f.write('%s\n' % self.format_headings(widths, 0))
f.write('%s\n' % self.format_headings(widths, 1))
for row in self.rows:
f.write('%s\n' % self.format_row(row, widths))
def format_cell(self, data, format):
return format % data
def compute_column_widths(self, cells):
widths = [0] * len(self.columns)
for row in cells:
for i, data in enumerate(row):
widths[i] = max(widths[i], len(data))
return widths
def format_headings(self, widths, which):
headings = ['%-*s' % (widths[i], self.columns[i][which])
for i in range(len(widths))]
return self.sep.join(headings)
def format_row(self, row, widths):
cells = ['%*s' % (widths[i], self.columns[i][2] % row[i])
for i in range(len(widths))]
return self.sep.join(cells)
class ObnamBenchmark(cliapp.Application):
default_sizes = ['1g/100m']
keyid = '3B1802F81B321347'
opers = ('backup', 'restore', 'list_files', 'forget')
profiles = {
'mailspool': 4096,
'mediaserver': 100 * 1024**2,
}
def add_settings(self):
self.settings.string(['results'], 'put results under DIR (%default)',
metavar='DIR', default='../benchmarks')
self.settings.string(['obnam-branch'],
'use DIR as the obnam branch to benchmark '
'(default: %default)',
metavar='DIR',
default='.')
self.settings.string(['larch-branch'],
'use DIR as the larch branch (default: %default)',
metavar='DIR',
default=os.path.expanduser('~/larch/trunk'))
self.settings.string(['seivot-branch'],
'use DIR as the seivot branch '
'(default: installed seivot)',
metavar='DIR')
self.settings.string(['wiki'],
'use DIR as the wiki branch (default: %default)',
metavar='DIR',
default=os.path.expanduser('~/braawi.org'))
self.settings.boolean(['with-encryption'],
'run benchmark using encryption')
self.settings.string_list(['size'],
'add PAIR to list of sizes to '
'benchmark (e.g., 10g/1m)',
metavar='PAIR')
self.settings.integer(['generations'],
'benchmark N generations (default: %default)',
metavar='N',
default=5)
self.settings.string(['use-existing'],
'use existing DIR for initial generation',
metavar='DIR')
self.settings.boolean(['use-sftp-repository'],
'access the repository over SFTP '
'(requires ssh to localhost to work)')
self.settings.boolean(['use-sftp-root'],
'access the live data over SFTP '
'(requires ssh to localhost to work)')
self.settings.integer(['sftp-delay'],
'add artifical delay to sftp transfers '
'(in milliseconds)')
self.settings.string(['description'], 'describe benchmark')
self.settings.boolean(['verify'], 'verify restores')
def process_args(self, args):
self.require_tmpdir()
obnam_revno = self.bzr_revno(self.settings['obnam-branch'])
larch_revno = self.bzr_revno(self.settings['larch-branch'])
results = self.results_dir(obnam_revno, larch_revno)
obnam_branch = self.settings['obnam-branch']
larch_branch = self.settings['larch-branch']
if self.settings['seivot-branch']:
seivot = os.path.join(self.settings['seivot-branch'], 'seivot')
else:
seivot = 'seivot'
generations = self.settings['generations']
tempdir = tempfile.mkdtemp()
env = self.setup_gnupghome(tempdir)
sizes = self.settings['size'] or self.default_sizes
logging.debug('sizes: %s' % repr(sizes))
if self.settings['use-existing']:
profiles = sorted(('existing+%s' % name, size)
for name, size in self.profiles.iteritems())
else:
profiles = sorted(self.profiles.iteritems())
for profile, file_size in profiles:
for pair in sizes:
initial, inc = self.parse_size_pair(pair)
msg = 'Profile %s, size %s inc %s' % (profile, initial, inc)
print
print msg
print '-' * len(msg)
print
obnam_profile = os.path.join(results,
'obnam-' + initial +
'-' + profile +
'-%(op)s-%(gen)s.prof')
output = os.path.join(results,
'obnam-%s-%s.seivot' %
(initial, profile))
if os.path.exists(output):
print ('%s already exists, not re-running benchmark' %
output)
else:
argv = [seivot,
'--drop-caches',
'--obnam-branch', obnam_branch,
'--larch-branch', larch_branch,
'--incremental-data', inc,
'--file-size', str(file_size),
'--obnam-profile', obnam_profile,
'--generations', str(generations),
'--profile-name', profile,
'--sftp-delay', str(self.settings['sftp-delay']),
'--output', output]
if self.settings['use-existing']:
argv.extend(['--use-existing',
self.settings['use-existing']])
else:
argv.extend(['--initial-data', initial])
if self.settings['use-sftp-repository']:
argv.append('--use-sftp-repository')
if self.settings['use-sftp-root']:
argv.append('--use-sftp-root')
if self.settings['with-encryption']:
argv.extend(['--encrypt-with', self.keyid])
if self.settings['description']:
argv.extend(['--description',
self.settings['description']])
if self.settings['verify']:
argv.append('--verify')
subprocess.check_call(argv, env=env)
shutil.rmtree(tempdir)
def require_tmpdir(self):
if 'TMPDIR' not in os.environ:
raise cliapp.AppException('TMPDIR is not set. '
'You would probably run out of space '
'on /tmp.')
logging.debug('TMPDIR=%s' % repr(os.environ['TMPDIR']))
@property
def hostname(self):
return socket.gethostname()
@property
def obnam_branch_name(self):
obnam_branch = os.path.abspath(self.settings['obnam-branch'])
return os.path.basename(obnam_branch)
def results_dir(self, obnam_revno, larch_revno):
results = os.path.join(self.settings['results'],
'-'.join([self.hostname, self.obnam_branch_name,
str(obnam_revno), str(larch_revno)]))
if not os.path.exists(results):
os.mkdir(results)
return results
def setup_gnupghome(self, tempdir):
gnupghome = os.path.join(tempdir, 'gnupghome')
shutil.copytree('test-gpghome', gnupghome)
env = dict(os.environ)
env['GNUPGHOME'] = gnupghome
return env
def bzr_revno(self, branch):
p = subprocess.Popen(['bzr', 'revno'], cwd=branch,
stdout=subprocess.PIPE)
out, err = p.communicate()
if p.returncode != 0:
raise cliapp.AppException('bzr failed')
revno = out.strip()
logging.debug('bzr branch %s has revno %s' % (branch, revno))
return revno
def parse_size_pair(self, pair):
return pair.split('/', 1)
def report(self, seivot_filename, profile, obnam_revno, larch_revno,
size_pair):
cp = ConfigParser.RawConfigParser()
cp.read(seivot_filename)
table = Table()
table.caption = ('%s-%s-%s-%s-%s (%s)' %
(self.hostname,
self.obnam_branch_name,
obnam_revno,
larch_revno,
profile,
size_pair))
table.add_column('oper', '', '%-10s')
table.add_column('time', '(s)', '%.0f')
table.add_column('gen0', 'Mb/s', '%.1f')
table.add_column('RAM', '(MiB)', '%.0f')
table.add_column('slowest', '(Mb/s)', '%.1f')
table.add_column('largest', '(MiB)', '%.0f')
table.add_column('max repo', '(MiB)', '%.1f')
for oper in self.opers:
gen0_time = self.compute_time(cp, '0', oper)
gen0_speed = self.compute_speed(cp, '0', oper)
gen0_ram = self.compute_ram(cp, '0', oper)
slowest = min(self.compute_speed(cp, gen, oper)
for gen in self.incrementals(cp))
largest = min(self.compute_speed(cp, gen, oper)
for gen in self.incrementals(cp))
repo_size = max(self.compute_repo_size(cp, gen, oper)
for gen in self.gens(cp))
table.add_row((oper, gen0_time, gen0_speed, gen0_ram,
slowest, largest, repo_size))
table.write_plaintext(self.output)
def compute_time(self, cp, gen, oper):
return cp.getfloat(gen, '%s.real' % oper)
def compute_speed(self, cp, gen, oper):
keys = {
'backup': 'backup.new-data',
'restore': 'restore.repo-bytes-read',
'list_files': 'forget.repo-bytes-read',
'forget': 'forget.repo-bytes-read',
}
bytes = cp.getfloat(gen, keys[oper])
duration = cp.getfloat(gen, '%s.real' % oper)
mega = 10**6
speed = 8*bytes / duration / mega
return speed
def compute_ram(self, cp, gen, oper):
kibibytes = cp.getfloat(gen, '%s.maxrss' % oper)
return kibibytes / 1024
def compute_repo_size(self, cp, gen, oper):
bytes = cp.getfloat(gen, '%s.repo-size-after' % oper)
return float(bytes) / (1024**2)
def gens(self, cp):
return [x for x in cp.sections() if x != 'meta']
def incrementals(self, cp):
return [x for x in cp.sections() if x not in ['meta', '0']]
if __name__ == '__main__':
ObnamBenchmark().run()
|