1
# Copyright (C) 2006 by Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License version 2 as published by
5
# the Free Software Foundation.
7
# This program is distributed in the hope that it will be useful,
8
# but WITHOUT ANY WARRANTY; without even the implied warranty of
9
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10
# GNU General Public License for more details.
12
# You should have received a copy of the GNU General Public License
13
# along with this program; if not, write to the Free Software
14
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
"""Benchmarks of bzr commit."""
20
from bzrlib.benchmarks import Benchmark
21
from bzrlib.transport.memory import MemoryServer
22
from bzrlib.transport import get_transport
25
class CommitBenchmark(Benchmark):
27
def test_commit_kernel_like_tree(self):
28
"""Commit of a fresh import of a clean kernel sized tree."""
29
# uncomment this to run the benchmark with the repository in memory
31
# self.transport_server = MemoryServer
32
# self.make_kernel_like_tree(self.get_url())
33
tree = self.make_kernel_like_added_tree()
34
# on robertc's machine the first sample of this took 59750ms/77682ms
35
# after initial call reduction 53922ms/73918ms
36
self.time(self.run_bzr, 'commit', '-m', 'first post')
38
def test_partial_commit_kernel_like_tree(self):
39
"""Commit of 1/8th of a fresh import of a clean kernel sized tree."""
40
tree = self.make_kernel_like_added_tree()
41
self.time(self.run_bzr, 'commit', '-m', 'first post', '1')
43
def test_no_op_commit_in_kernel_like_tree(self):
44
"""Run commit --unchanged in a kernel sized tree"""
45
tree = self.make_kernel_like_committed_tree()
46
self.time(self.run_bzr, 'commit', '-m', 'no changes', '--unchanged')
48
def test_commit_one_in_kernel_like_tree_cold_hash_cache(self):
49
"""Time committing a single change, when not directly specified"""
50
tree = self.make_kernel_like_committed_tree(hot_cache=False)
52
# working-tree is hardlinked, so replace a file and commit the change
54
open('4/4/4/4', 'wb').write('new contents\n')
55
self.time(self.run_bzr, 'commit', '-m', 'second')
57
def test_commit_one_in_kernel_like_tree_hot_hash_cache(self):
58
"""Time committing a single change, when not directly specified"""
59
tree = self.make_kernel_like_committed_tree()
61
# working-tree is hardlinked, so replace a file and commit the change
63
open('4/4/4/4', 'wb').write('new contents\n')
64
self.time(self.run_bzr, 'commit', '-m', 'second')
66
def test_partial_commit_one_in_kernel_like_tree_cold_hash_cache(self):
67
"""Time committing a single change when it is directly specified"""
69
tree = self.make_kernel_like_committed_tree(hot_cache=False)
71
# working-tree is hardlinked, so replace a file and commit the change
73
open('4/4/4/4', 'wb').write('new contents\n')
74
self.time(self.run_bzr, 'commit', '-m', 'second', '4/4/4/4')
76
def test_partial_commit_one_in_kernel_like_tree_hot_hash_cache(self):
77
"""Time committing a single change when it is directly specified"""
79
tree = self.make_kernel_like_committed_tree()
81
# working-tree is hardlinked, so replace a file and commit the change
83
open('4/4/4/4', 'wb').write('new contents\n')
84
self.time(self.run_bzr, 'commit', '-m', 'second', '4/4/4/4')
86
def make_simple_tree(self):
87
"""A small, simple tree. No caching needed"""
88
tree = self.make_branch_and_tree('.')
89
self.build_tree(['a', 'b/', 'b/c'])
90
tree.add(['a', 'b', 'b/c'])
93
def test_cmd_commit(self):
94
"""Test execution of simple commit"""
95
tree = self.make_simple_tree()
96
self.time(self.run_bzr, 'commit', '-m', 'init simple tree')
98
def test_cmd_commit_subprocess(self):
99
"""Text startup and execution of a simple commit."""
100
tree = self.make_simple_tree()
101
self.time(self.run_bzr_subprocess, 'commit', '-m', 'init simple tree')
added
removed
bzrlib/benchmarks/bench_commit.py
