parser.add_option("", "--config-prefix", dest="configPrefix",
metavar="NAME", help="Prefix for 'lit' config files",
action="store", default=None)
- parser.add_option("", "--param", dest="userParameters",
+ parser.add_option("-D", "--param", dest="userParameters",
metavar="NAME=VAL",
help="Add 'NAME' = 'VAL' to the user defined parameters",
type=str, action="append", default=[])
# Don't create more threads than tests.
opts.numThreads = min(len(run.tests), opts.numThreads)
+ # Because some tests use threads internally, and at least on Linux each
+ # of these threads counts toward the current process limit, try to
+ # raise the (soft) process limit so that tests don't fail due to
+ # resource exhaustion.
+ try:
+ cpus = lit.util.detectCPUs()
+ desired_limit = opts.numThreads * cpus * 2 # the 2 is a safety factor
+
+ # Import the resource module here inside this try block because it
+ # will likely fail on Windows.
+ import resource
+
+ max_procs_soft, max_procs_hard = resource.getrlimit(resource.RLIMIT_NPROC)
+ desired_limit = min(desired_limit, max_procs_hard)
+
+ if max_procs_soft < desired_limit:
+ resource.setrlimit(resource.RLIMIT_NPROC, (desired_limit, max_procs_hard))
+ litConfig.note('raised the process limit from %d to %d' % \
+ (max_procs_soft, desired_limit))
+ except:
+ pass
+
extra = ''
if len(run.tests) != numTotalTests:
extra = ' of %d' % numTotalTests
lit.util.printHistogram(test_times, title='Tests')
for name,code in (('Expected Passes ', lit.Test.PASS),
+ ('Passes With Retry ', lit.Test.FLAKYPASS),
('Expected Failures ', lit.Test.XFAIL),
('Unsupported Tests ', lit.Test.UNSUPPORTED),
('Unresolved Tests ', lit.Test.UNRESOLVED),