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# Copyright (C) 2006 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as published by
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# the Free Software Foundation.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Benchmarks of bzr commit."""
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from bzrlib.benchmarks import Benchmark
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from bzrlib.transport.memory import MemoryServer
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from bzrlib.transport import get_transport
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class CommitBenchmark(Benchmark):
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def test_commit_kernel_like_tree(self):
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"""Commit of a fresh import of a clean kernel sized tree."""
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# uncomment this to run the benchmark with the repository in memory
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# self.transport_server = MemoryServer
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# self.make_kernel_like_tree(self.get_url())
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tree = self.make_kernel_like_added_tree()
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# on robertc's machine the first sample of this took 59750ms/77682ms
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# after initial call reduction 53922ms/73918ms
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self.time(self.run_bzr, 'commit', '-m', 'first post')
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def test_partial_commit_kernel_like_tree(self):
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"""Commit of 1/8th of a fresh import of a clean kernel sized tree."""
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tree = self.make_kernel_like_added_tree()
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self.time(self.run_bzr, 'commit', '-m', 'first post', '1')
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def test_no_op_commit_in_kernel_like_tree(self):
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"""Run commit --unchanged in a kernel sized tree"""
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tree = self.make_kernel_like_committed_tree()
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self.time(self.run_bzr, 'commit', '-m', 'no changes', '--unchanged')
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def test_commit_one_in_kernel_like_tree_cold_hash_cache(self):
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"""Time committing a single change, when not directly specified"""
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tree = self.make_kernel_like_committed_tree()
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# working-tree is hardlinked, so replace a file and commit the change
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open('4/4/4/4', 'wb').write('new contents\n')
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self.time(self.run_bzr, 'commit', '-m', 'second')
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def test_commit_one_in_kernel_like_tree_hot_hash_cache(self):
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"""Time committing a single change, when not directly specified"""
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tree = self.make_kernel_like_committed_tree()
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# Freshen the hash cache
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self.run_bzr('status')
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# working-tree is hardlinked, so replace a file and commit the change
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open('4/4/4/4', 'wb').write('new contents\n')
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self.time(self.run_bzr, 'commit', '-m', 'second')
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def test_partial_commit_one_in_kernel_like_tree_cold_hash_cache(self):
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"""Time committing a single change when it is directly specified"""
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tree = self.make_kernel_like_committed_tree()
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# working-tree is hardlinked, so replace a file and commit the change
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open('4/4/4/4', 'wb').write('new contents\n')
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self.time(self.run_bzr, 'commit', '-m', 'second', '4/4/4/4')
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def test_partial_commit_one_in_kernel_like_tree_hot_hash_cache(self):
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"""Time committing a single change when it is directly specified"""
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tree = self.make_kernel_like_committed_tree()
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self.run_bzr('status')
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# working-tree is hardlinked, so replace a file and commit the change
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open('4/4/4/4', 'wb').write('new contents\n')
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self.time(self.run_bzr, 'commit', '-m', 'second', '4/4/4/4')
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def make_simple_tree(self):
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"""A small, simple tree. No caching needed"""
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tree = self.make_branch_and_tree('.')
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self.build_tree(['a', 'b/', 'b/c'])
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tree.add(['a', 'b', 'b/c'])
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def test_cmd_commit(self):
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"""Test execution of simple commit"""
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tree = self.make_simple_tree()
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self.time(self.run_bzr, 'commit', '-m', 'init simple tree')
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def test_cmd_commit_subprocess(self):
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"""Text startup and execution of a simple commit."""
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tree = self.make_simple_tree()
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self.time(self.run_bzr_subprocess, 'commit', '-m', 'init simple tree')
added
removed
bzrlib/benchmarks/bench_commit.py
