← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/benchmarks/bench_bench.py

  • Committer: Martin Pool
  • Date: 2005-09-30 05:56:05 UTC
  • mto: (1185.14.2)
  • mto: This revision was merged to the branch mainline in revision 1396.
  • Revision ID: mbp@sourcefrog.net-20050930055605-a2c534529b392a7d
- fix upgrade for transport changes

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/benchmarks/bench_bench.py
1
 
# Copyright (C) 2006 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
"""Tests for bzr benchmark utilities performance."""
18
 
 
19
 
from bzrlib import (
20
 
    osutils,
21
 
    )
22
 
from bzrlib.benchmarks import Benchmark
23
 
from bzrlib.benchmarks.tree_creator.kernel_like import (
24
 
    KernelLikeTreeCreator,
25
 
    KernelLikeAddedTreeCreator,
26
 
    KernelLikeCommittedTreeCreator,
27
 
    )
28
 
from bzrlib.tests import TestSkipped
29
 
 
30
 
 
31
 
class MakeKernelLikeTreeBenchmark(Benchmark):
32
 
 
33
 
    def test_make_kernel_like_tree(self):
34
 
        """Making a kernel sized tree should be ~ 5seconds on modern disk.""" 
35
 
        # on roberts machine: this originally took:  7372ms/ 7479ms
36
 
        # with the LocalTransport._abspath call:     3730ms/ 3778ms
37
 
        # with AtomicFile tuning:                    2888ms/ 2926ms
38
 
        # switching to transport.append_bytes:       1468ms/ 2849ms
39
 
        self.time(self.make_kernel_like_tree)
40
 
 
41
 
    def test_02_make_kernel_like_tree(self):
42
 
        """Hardlinking a kernel-like working tree should be ~1s"""
43
 
        # make sure kernel_like_tree is cached
44
 
        creator = KernelLikeTreeCreator(self, link_working=True)
45
 
        if not creator.is_caching_enabled():
46
 
            raise TestSkipped('caching is disabled')
47
 
        creator.ensure_cached()
48
 
        self.time(creator.create, root='bar')
49
 
 
50
 
    def test_03_make_kernel_like_added_tree(self):
51
 
        """Time the first creation of a kernel like added tree"""
52
 
        creator = KernelLikeAddedTreeCreator(self)
53
 
        creator.disable_cache()
54
 
        self.time(creator.create, root='foo')
55
 
 
56
 
    def test_04_make_kernel_like_added_tree(self):
57
 
        """Time the second creation of a kernel like added tree 
58
 
        (this should be a clone)
59
 
        """
60
 
        # make sure kernel_like_added_tree is cached
61
 
        creator = KernelLikeAddedTreeCreator(self, link_working=True)
62
 
        if not creator.is_caching_enabled():
63
 
            # Caching is disabled, this test is meaningless
64
 
            raise TestSkipped('caching is disabled')
65
 
        creator.ensure_cached()
66
 
        self.time(creator.create, root='bar')
67
 
 
68
 
    def test_05_make_kernel_like_committed_tree(self):
69
 
        """Time the first creation of a committed kernel like tree"""
70
 
        creator = KernelLikeCommittedTreeCreator(self)
71
 
        creator.disable_cache()
72
 
        self.time(creator.create, root='foo')
73
 
 
74
 
    def test_06_make_kernel_like_committed_tree(self):
75
 
        """Time the second creation of a committed kernel like tree 
76
 
        (this should be a clone)
77
 
        """
78
 
        creator = KernelLikeCommittedTreeCreator(self,
79
 
                                                 link_working=True,
80
 
                                                 link_bzr=False)
81
 
        if not creator.is_caching_enabled():
82
 
            # Caching is disabled, this test is meaningless
83
 
            raise TestSkipped('caching is disabled')
84
 
        creator.ensure_cached()
85
 
        self.time(creator.create, root='bar')
86
 
 
87
 
    def test_07_make_kernel_like_committed_tree_hardlink(self):
88
 
        """Time the creation of a committed kernel like tree 
89
 
        (this should also hardlink the .bzr/ directory)
90
 
        """
91
 
        creator = KernelLikeCommittedTreeCreator(self,
92
 
                                                 link_working=True,
93
 
                                                 link_bzr=True)
94
 
        if not creator.is_caching_enabled():
95
 
            # Caching is disabled, this test is meaningless
96
 
            raise TestSkipped('caching is disabled')
97
 
        creator.ensure_cached()
98
 
        self.time(creator.create, root='bar')
99
 
 
100