~bzr-pqm/bzr/bzr.dev

1755.2.1 by Robert Collins
Add a benchmark for make_kernel_like_tree.
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# Copyright (C) 2006 by Canonical Ltd
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#
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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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#
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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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#
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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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"""Tests for bzr benchmark utilities performance."""
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from bzrlib.benchmarks import Benchmark
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class MakeKernelLikeTreeBenchmark(Benchmark):
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1908.2.2 by John Arbash Meinel
Allow caching basic kernel-like trees
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    def test_01_make_kernel_like_tree(self):
1755.2.1 by Robert Collins
Add a benchmark for make_kernel_like_tree.
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        """Making a kernel sized tree should be ~ 5seconds on modern disk.""" 
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        # on roberts machine: this originally took:  7372ms/ 7479ms
1755.1.2 by Robert Collins
(robertc, ab)Merge some commit and fetch tuning steps.
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        # with the LocalTransport._abspath call:     3730ms/ 3778ms
1755.2.1 by Robert Collins
Add a benchmark for make_kernel_like_tree.
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        self.time(self.make_kernel_like_tree)
1908.2.2 by John Arbash Meinel
Allow caching basic kernel-like trees
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    def test_02_make_kernel_like_tree(self):
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        """Hardlinking a kernel-like working tree should be ~1s"""
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        # Make sure we have populated the cache first
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        self.make_kernel_like_tree(root='foo', hardlink_working=True)
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        self.time(self.make_kernel_like_tree, root='bar',
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                  hardlink_working=True)
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    def test_03_make_kernel_like_added_tree(self):
1908.2.3 by John Arbash Meinel
Support caching a committed kernel-like tree, and mark hardlinked trees as readonly.
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        """Time the first creation of a kernel like added tree"""
1908.2.2 by John Arbash Meinel
Allow caching basic kernel-like trees
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        # This may not be an accurate test, in the case that the cached entry
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        # has already been created
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        self.time(self.make_kernel_like_added_tree, root='foo')
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    def test_04_make_kernel_like_added_tree(self):
1908.2.3 by John Arbash Meinel
Support caching a committed kernel-like tree, and mark hardlinked trees as readonly.
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        """Time the second creation of a kernel like added tree 
1908.2.2 by John Arbash Meinel
Allow caching basic kernel-like trees
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        (this should be a clone)
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        """
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        # Call make_kernel_like_added_tree to make sure it is cached
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        self.make_kernel_like_added_tree(root='foo')
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        self.time(self.make_kernel_like_added_tree, root='bar')
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1908.2.3 by John Arbash Meinel
Support caching a committed kernel-like tree, and mark hardlinked trees as readonly.
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    def test_05_make_kernel_like_committed_tree(self):
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        """Time the first creation of a committed kernel like tree"""
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        # This may not be an accurate test, in the case that the cached entry
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        # has already been created
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        self.time(self.make_kernel_like_committed_tree, root='foo')
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    def test_06_make_kernel_like_committed_tree(self):
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        """Time the second creation of a committed kernel like tree 
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        (this should be a clone)
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        """
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        # Call make_kernel_like_committed_tree to make sure it is cached
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        self.make_kernel_like_committed_tree(root='foo')
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        self.time(self.make_kernel_like_committed_tree, root='bar')
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    def test_07_make_kernel_like_committed_tree_hardlink(self):
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        """Time the creation of a committed kernel like tree 
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        (this should also hardlink the .bzr/ directory)
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        """
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        # Call make_kernel_like_committed_tree to make sure it is cached
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        self.make_kernel_like_committed_tree(root='foo', hardlink_bzr=True)
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        self.time(self.make_kernel_like_committed_tree, root='bar',
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                    hardlink_bzr=True)
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