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hwsim tests: Allow collecting dmesg

Browse source 
In addition to tracing, allow collecting dmesg. There's no
provision for actually looking at it and finding problems
in it yet though.

Signed-hostap: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-10-30 22:50:56 +01:00 committed by Jouni Malinen
parent 0141fa5244
commit 0d5a54048b
2 changed files with 28 additions and 24 deletions
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2
tests/hwsim/run-all.sh
View file

@ -66,7 +66,7 @@ fi
if ! [ -z "$LOGBASEDIR" ] ; then
rm $LOGBASEDIR/last-debug 2>/dev/null
fi
./run-tests.py --logdir "$LOGDIR" $TRACE_ARGS -l run $DB -e failed -r results.txt $CONCURRENT_TESTS $@ || errors=1
./run-tests.py -D --logdir "$LOGDIR" $TRACE_ARGS -l run $DB -e failed -r results.txt $CONCURRENT_TESTS $@ || errors=1
if ! [ -z "$LOGBASEDIR" ] ; then
cat $LOGDIR/run >> $LOGBASEDIR/last-debug

50
tests/hwsim/run-tests.py
View file

@ -48,27 +48,30 @@ def report(conn, build, commit, run, test, result, diff):
print "sqlite: " + str(e)
print "sql: %r" % (params, )
class Tracer(object):
def __init__(self, tracedir, testname):
self._tracedir = tracedir
class DataCollector(object):
def __init__(self, logdir, testname, tracing, dmesg):
self._logdir = logdir
self._testname = testname
self._tracing = tracing
self._dmesg = dmesg
def __enter__(self):
if not self._tracedir:
return
output = os.path.join(self._tracedir, '%s.dat' % (self._testname, ))
self._trace_cmd = subprocess.Popen(['sudo', 'trace-cmd', 'record', '-o', output, '-e', 'mac80211', '-e', 'cfg80211', 'sh', '-c', 'echo STARTED ; read l'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=open('/dev/null', 'w'),
cwd=self._tracedir)
l = self._trace_cmd.stdout.read(7)
while not 'STARTED' in l:
l += self._trace_cmd.stdout.read(1)
if self._tracing:
output = os.path.join(self._logdir, '%s.dat' % (self._testname, ))
self._trace_cmd = subprocess.Popen(['sudo', 'trace-cmd', 'record', '-o', output, '-e', 'mac80211', '-e', 'cfg80211', 'sh', '-c', 'echo STARTED ; read l'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=open('/dev/null', 'w'),
cwd=self._logdir)
l = self._trace_cmd.stdout.read(7)
while not 'STARTED' in l:
l += self._trace_cmd.stdout.read(1)
def __exit__(self, type, value, traceback):
if not self._tracedir:
return
self._trace_cmd.stdin.write('DONE\n')
self._trace_cmd.wait()
if self._tracing:
self._trace_cmd.stdin.write('DONE\n')
self._trace_cmd.wait()
if self._dmesg:
output = os.path.join(self._logdir, '%s.dmesg' % (self._testname, ))
subprocess.call(['sudo', 'dmesg', '-c'], stdout=open(output, 'w'))
def main():
tests = []
@ -117,6 +120,8 @@ def main():
help='List tests (and update descriptions in DB)')
parser.add_argument('-T', action='store_true', dest='tracing',
help='collect tracing per test case (in log directory)')
parser.add_argument('-D', action='store_true', dest='dmesg',
help='collect dmesg per test case (in log directory)')
parser.add_argument('-f', dest='testmodules', metavar='<test module>',
help='execute only tests from these test modules',
type=str, choices=[[]] + test_modules, nargs='+')
@ -149,10 +154,6 @@ def main():
error_file = args.errorfile and os.path.join(args.logdir, args.errorfile)
results_file = args.resultsfile and os.path.join(args.logdir, args.resultsfile)
tracedir = None
if args.tracing:
tracedir = args.logdir
if args.database:
import sqlite3
conn = sqlite3.connect(args.database)
@ -199,6 +200,9 @@ def main():
skipped = []
failed = []
if args.dmesg:
subprocess.call(['sudo', 'dmesg', '-c'], stdout=open('/dev/null', 'w'))
for t in tests:
if args.tests:
if not t.__name__ in args.tests:
@ -206,7 +210,7 @@ def main():
if args.testmodules:
if not t.__module__ in args.testmodules:
continue
with Tracer(tracedir, t.__name__):
with DataCollector(args.logdir, t.__name__, args.tracing, args.dmesg):
reset_devs(dev, apdev)
logger.info("START " + t.__name__)
if log_to_file: