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
|
# Copyright (C) 2006 by Canonical Ltd
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Benchmark test suite for bzr."""
from bzrlib import bzrdir, plugin
from bzrlib.tests.TestUtil import TestLoader
from bzrlib.tests.blackbox import ExternalBase
class Benchmark(ExternalBase):
def make_kernel_like_tree(self, url=None):
"""Setup a temporary tree roughly like a kernel tree.
:param url: Creat the kernel like tree as a lightweight checkout
of a new branch created at url.
"""
# a kernel tree has ~10000 and 500 directory, with most files around
# 3-4 levels deep.
# we simulate this by three levels of dirs named 0-7, givin 512 dirs,
# and 20 files each.
if url is not None:
b = bzrdir.BzrDir.create_branch_convenience(url)
d = bzrdir.BzrDir.create('.')
bzrlib.branch.BranchReferenceFormat().initialize(d, b)
d.create_workingtree()
else:
self.run_bzr('init')
files = []
for outer in range(8):
files.append("%s/" % outer)
for middle in range(8):
files.append("%s/%s/" % (outer, middle))
for inner in range(8):
prefix = "%s/%s/%s/" % (outer, middle, inner)
files.append(prefix)
files.extend([prefix + str(foo) for foo in range(20)])
self.build_tree(files)
def make_many_commit_tree(self, directory_name='.'):
"""Create a tree with many commits.
No files change are included.
"""
tree = bzrdir.BzrDir.create_standalone_workingtree(directory_name)
tree.lock_write()
tree.branch.lock_write()
tree.branch.repository.lock_write()
try:
for i in xrange(1000):
tree.commit('no-changes commit %d' % i)
finally:
try:
try:
tree.branch.repository.unlock()
finally:
tree.branch.unlock()
finally:
tree.unlock()
return tree
def make_heavily_merged_tree(self, directory_name='.'):
"""Create a tree in which almost every commit is a merge.
No files change are included. This produces two trees,
one of which is returned. Except for the first commit, every
commit in its revision-history is a merge another commit in the other
tree.
"""
tree = bzrdir.BzrDir.create_standalone_workingtree(directory_name)
tree.lock_write()
try:
tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
tree2.lock_write()
try:
for i in xrange(250):
revision_id = tree.commit('no-changes commit %d-a' % i)
tree2.branch.fetch(tree.branch, revision_id)
tree2.set_pending_merges([revision_id])
revision_id = tree2.commit('no-changes commit %d-b' % i)
tree.branch.fetch(tree2.branch, revision_id)
tree.set_pending_merges([revision_id])
tree.set_pending_merges([])
finally:
tree.unlock()
finally:
tree2.unlock()
return tree
def test_suite():
"""Build and return a TestSuite which contains benchmark tests only."""
testmod_names = [ \
'bzrlib.benchmarks.bench_add',
'bzrlib.benchmarks.bench_bench',
'bzrlib.benchmarks.bench_bundle',
'bzrlib.benchmarks.bench_checkout',
'bzrlib.benchmarks.bench_commit',
'bzrlib.benchmarks.bench_info',
'bzrlib.benchmarks.bench_inventory',
'bzrlib.benchmarks.bench_log',
'bzrlib.benchmarks.bench_osutils',
'bzrlib.benchmarks.bench_rocks',
'bzrlib.benchmarks.bench_status',
'bzrlib.benchmarks.bench_transform',
'bzrlib.benchmarks.bench_workingtree',
]
suite = TestLoader().loadTestsFromModuleNames(testmod_names)
# Load any benchmarks from plugins
for name, module in plugin.all_plugins().items():
if getattr(module, 'bench_suite', None) is not None:
suite.addTest(module.bench_suite())
return suite
|