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[test] Stressing random seed with multiple subtests in parallel

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Bug: v8:6917
Change-Id: I562680ebbc4b3140fb0e5be7cab7d5ebb658bbac
Reviewed-on: https://chromium-review.googlesource.com/893272
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Michał Majewski <majeski@google.com>
Cr-Commit-Position: refs/heads/master@{#50989}
This commit is contained in:
Michal Majewski 2018-01-31 12:33:58 +01:00 committed by Commit Bot
parent 16e3f6362d
commit 4ca5a577e6
2 changed files with 15 additions and 5 deletions
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5
tools/testrunner/standard_runner.py
View File

@ -633,9 +633,10 @@ class StandardTestRunner(base_runner.BaseTestRunner):
return exit_code
def _create_seed_proc(self, options):
if options.random_seed_stress_count == 1 and options.random_seed:
if options.random_seed_stress_count == 1:
return None
return SeedProc(options.random_seed_stress_count, options.random_seed)
return SeedProc(options.random_seed_stress_count, options.random_seed,
options.j * 4)
def _create_rerun_proc(self, ctx):
if not ctx.rerun_failures_count:

15
tools/testrunner/testproc/seed.py
View File

@ -10,17 +10,22 @@ from ..utils import random_utils
class SeedProc(base.TestProcProducer):
def __init__(self, count, seed=None):
def __init__(self, count, seed=None, parallel_subtests=1):
"""
Args:
count: How many subtests with different seeds to create for each test.
0 means infinite.
seed: seed to use. None means random seed for each subtest.
parallel_subtests: How many subtest of each test to run at the same time.
"""
super(SeedProc, self).__init__('Seed')
self._count = count
self._seed = seed
self._last_idx = defaultdict(int)
self._todo = defaultdict(int)
self._parallel_subtests = parallel_subtests
if count:
self._parallel_subtests = min(self._parallel_subtests, count)
def setup(self, requirement=base.DROP_RESULT):
super(SeedProc, self).setup(requirement)
@ -29,9 +34,11 @@ class SeedProc(base.TestProcProducer):
assert requirement == base.DROP_RESULT
def _next_test(self, test):
self._try_send_next_test(test)
for _ in xrange(0, self._parallel_subtests):
self._try_send_next_test(test)
def _result_for(self, test, subtest, result):
self._todo[test.procid] -= 1
self._try_send_next_test(test)
def _try_send_next_test(self, test):
@ -43,7 +50,9 @@ class SeedProc(base.TestProcProducer):
if not self._count or num < self._count:
num += 1
self._send_test(create_subtest(num))
self._todo[test.procid] += 1
self._last_idx[test.procid] = num
else:
elif not self._todo.get(test.procid):
del self._last_idx[test.procid]
del self._todo[test.procid]
self._send_result(test, None)