binman: Support multithreading for building images

Some images may take a while to build, e.g. if they are large and use slow
compression. Support compiling sections in parallel to speed things up.

Signed-off-by: Simon Glass <sjg@chromium.org>
(fixed to use a separate test file to fix flakiness)
This commit is contained in:
Simon Glass
2021-07-06 10:36:37 -06:00
parent 650ead1a4a
commit c69d19c8f8
8 changed files with 136 additions and 6 deletions

View File

@@ -308,7 +308,8 @@ class TestFunctional(unittest.TestCase):
def _DoTestFile(self, fname, debug=False, map=False, update_dtb=False,
entry_args=None, images=None, use_real_dtb=False,
use_expanded=False, verbosity=None, allow_missing=False,
extra_indirs=None):
extra_indirs=None, threads=None,
test_section_timeout=False):
"""Run binman with a given test file
Args:
@@ -331,6 +332,8 @@ class TestFunctional(unittest.TestCase):
allow_missing: Set the '--allow-missing' flag so that missing
external binaries just produce a warning instead of an error
extra_indirs: Extra input directories to add using -I
threads: Number of threads to use (None for default, 0 for
single-threaded)
"""
args = []
if debug:
@@ -342,6 +345,10 @@ class TestFunctional(unittest.TestCase):
if self.toolpath:
for path in self.toolpath:
args += ['--toolpath', path]
if threads is not None:
args.append('-T%d' % threads)
if test_section_timeout:
args.append('--test-section-timeout')
args += ['build', '-p', '-I', self._indir, '-d', self.TestFile(fname)]
if map:
args.append('-m')
@@ -412,7 +419,7 @@ class TestFunctional(unittest.TestCase):
def _DoReadFileDtb(self, fname, use_real_dtb=False, use_expanded=False,
map=False, update_dtb=False, entry_args=None,
reset_dtbs=True, extra_indirs=None):
reset_dtbs=True, extra_indirs=None, threads=None):
"""Run binman and return the resulting image
This runs binman with a given test file and then reads the resulting
@@ -439,6 +446,8 @@ class TestFunctional(unittest.TestCase):
function. If reset_dtbs is True, then the original test dtb
is written back before this function finishes
extra_indirs: Extra input directories to add using -I
threads: Number of threads to use (None for default, 0 for
single-threaded)
Returns:
Tuple:
@@ -463,7 +472,8 @@ class TestFunctional(unittest.TestCase):
try:
retcode = self._DoTestFile(fname, map=map, update_dtb=update_dtb,
entry_args=entry_args, use_real_dtb=use_real_dtb,
use_expanded=use_expanded, extra_indirs=extra_indirs)
use_expanded=use_expanded, extra_indirs=extra_indirs,
threads=threads)
self.assertEqual(0, retcode)
out_dtb_fname = tools.GetOutputFilename('u-boot.dtb.out')
@@ -4542,5 +4552,22 @@ class TestFunctional(unittest.TestCase):
data = self._DoReadFile('201_opensbi.dts')
self.assertEqual(OPENSBI_DATA, data[:len(OPENSBI_DATA)])
def testSectionsSingleThread(self):
"""Test sections without multithreading"""
data = self._DoReadFileDtb('055_sections.dts', threads=0)[0]
expected = (U_BOOT_DATA + tools.GetBytes(ord('!'), 12) +
U_BOOT_DATA + tools.GetBytes(ord('a'), 12) +
U_BOOT_DATA + tools.GetBytes(ord('&'), 4))
self.assertEqual(expected, data)
def testThreadTimeout(self):
"""Test handling a thread that takes too long"""
with self.assertRaises(ValueError) as e:
self._DoTestFile('202_section_timeout.dts',
test_section_timeout=True)
self.assertIn("Node '/binman/section@0': Timed out obtaining contents",
str(e.exception))
if __name__ == "__main__":
unittest.main()