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buildman: Make -I the default

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At present buildman defaults to running 'mrproper' on every thread before
it starts building commits for each board. This can add a delay of about 5
seconds to the start of the process, since the tools and other invariants
must be rebuilt.

In particular, a build without '-b', to build current source, runs much
slower without -I, since any existing build is removed, thus losing the
possibility of an incremental build.

Partly this behaviour was to avoid strange build-system problems caused by
running 'make defconfig' for one board and then one with a different
architecture. But these problems were fixed quite a while ago.

The -I option (which disabled mrproper) was introduced four years ago and
does not seem to cause any problems with builds.

So make -I the default and deprecate the option. To allow use of
'mrproper', add a new -m flag.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2020-04-09 15:08:51 -06:00
parent ea09fb5bf1
commit eb70a2c059
6 changed files with 41 additions and 24 deletions
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28
tools/buildman/func_test.py
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@@ -476,15 +476,15 @@ class TestFunctional(unittest.TestCase):
self._RunControl('-b', TEST_BRANCH, '-c2', '-o', self._output_dir)
self.assertEqual(self._builder.count, 2 * len(boards))
self.assertEqual(self._builder.fail, 0)
# Each board has a mrproper, config, and then one make per commit
self.assertEqual(self._make_calls, len(boards) * (2 + 2))
# Each board has a config, and then one make per commit
self.assertEqual(self._make_calls, len(boards) * (1 + 2))
def testIncremental(self):
"""Test building a branch twice - the second time should do nothing"""
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir)
# Each board has a mrproper, config, and then one make per commit
self.assertEqual(self._make_calls, len(boards) * (self._commits + 2))
self.assertEqual(self._make_calls, len(boards) * (self._commits + 1))
self._make_calls = 0
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir, clean_dir=False)
self.assertEqual(self._make_calls, 0)
@@ -496,14 +496,26 @@ class TestFunctional(unittest.TestCase):
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir)
self._make_calls = 0
self._RunControl('-b', TEST_BRANCH, '-f', '-o', self._output_dir, clean_dir=False)
# Each board has a mrproper, config, and then one make per commit
self.assertEqual(self._make_calls, len(boards) * (self._commits + 2))
# Each board has a config and one make per commit
self.assertEqual(self._make_calls, len(boards) * (self._commits + 1))
def testForceReconfigure(self):
"""The -f flag should force a rebuild"""
self._RunControl('-b', TEST_BRANCH, '-C', '-o', self._output_dir)
# Each commit has a mrproper, config and make
self.assertEqual(self._make_calls, len(boards) * self._commits * 3)
# Each commit has a config and make
self.assertEqual(self._make_calls, len(boards) * self._commits * 2)
def testForceReconfigure(self):
"""The -f flag should force a rebuild"""
self._RunControl('-b', TEST_BRANCH, '-C', '-o', self._output_dir)
# Each commit has a config and make
self.assertEqual(self._make_calls, len(boards) * self._commits * 2)
def testMrproper(self):
"""The -f flag should force a rebuild"""
self._RunControl('-b', TEST_BRANCH, '-m', '-o', self._output_dir)
# Each board has a mkproper, config and then one make per commit
self.assertEqual(self._make_calls, len(boards) * (self._commits + 2))
def testErrors(self):
"""Test handling of build errors"""
@@ -525,7 +537,7 @@ class TestFunctional(unittest.TestCase):
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir, '-F', clean_dir=False)
self.assertEqual(self._builder.count, self._total_builds)
self.assertEqual(self._builder.fail, 0)
self.assertEqual(self._make_calls, 3)
self.assertEqual(self._make_calls, 2)
def testBranchWithSlash(self):
"""Test building a branch with a '/' in the name"""