1 # SPDX-License-Identifier: GPL-2.0
13 # Allow multiple values in assignment separated by '|'
19 if (a_item == b_item):
21 elif (a_item == '*') or (b_item == '*'):
26 class Fail(Exception):
27 def __init__(self, test, msg):
31 return '\'%s\' - %s' % (self.test.path, self.msg)
33 class Notest(Exception):
34 def __init__(self, test, arch):
38 return '[%s] \'%s\'' % (self.arch, self.test.path)
40 class Unsup(Exception):
41 def __init__(self, test):
44 return '\'%s\'' % self.test.path
76 'exclude_callchain_kernel',
77 'exclude_callchain_user',
89 log.debug(" %s = %s" % (key, val))
92 def __init__(self, name, data, base):
93 log.debug(" Event %s" % name);
99 def equal(self, other):
100 for t in Event.terms:
101 log.debug(" [%s] %s %s" % (t, self[t], other[t]));
102 if not self.has_key(t) or not other.has_key(t):
104 if not data_equal(self[t], other[t]):
109 if self.has_key('optional') and self['optional'] == '1':
113 def diff(self, other):
114 for t in Event.terms:
115 if not self.has_key(t) or not other.has_key(t):
117 if not data_equal(self[t], other[t]):
118 log.warning("expected %s=%s, got %s" % (t, self[t], other[t]))
120 # Test file description needs to have following sections:
122 # - just single instance in file
123 # - needs to specify:
124 # 'command' - perf command name
125 # 'args' - special command arguments
126 # 'ret' - expected command return value (0 by default)
127 # 'arch' - architecture specific test (optional)
128 # comma separated list, ! at the beginning
132 # - one or multiple instances in file
133 # - expected values assignments
135 def __init__(self, path, options):
136 parser = ConfigParser.SafeConfigParser()
139 log.warning("running '%s'" % path)
142 self.test_dir = options.test_dir
143 self.perf = options.perf
144 self.command = parser.get('config', 'command')
145 self.args = parser.get('config', 'args')
148 self.ret = parser.get('config', 'ret')
153 self.arch = parser.get('config', 'arch')
154 log.warning("test limitation '%s'" % self.arch)
160 log.debug(" loading expected events");
161 self.load_events(path, self.expect)
163 def is_event(self, name):
164 if name.find("event") == -1:
169 def skip_test(self, myarch):
170 # If architecture not set always run test
172 # log.warning("test for arch %s is ok" % myarch)
175 # Allow multiple values in assignment separated by ','
176 arch_list = self.arch.split(',')
178 # Handle negated list such as !s390x,ppc
179 if arch_list[0][0] == '!':
180 arch_list[0] = arch_list[0][1:]
181 log.warning("excluded architecture list %s" % arch_list)
182 for arch_item in arch_list:
183 # log.warning("test for %s arch is %s" % (arch_item, myarch))
184 if arch_item == myarch:
188 for arch_item in arch_list:
189 # log.warning("test for architecture '%s' current '%s'" % (arch_item, myarch))
190 if arch_item == myarch:
194 def load_events(self, path, events):
195 parser_event = ConfigParser.SafeConfigParser()
196 parser_event.read(path)
198 # The event record section header contains 'event' word,
199 # optionaly followed by ':' allowing to load 'parent
200 # event' first as a base
201 for section in filter(self.is_event, parser_event.sections()):
203 parser_items = parser_event.items(section);
206 # Read parent event if there's any
208 base = section[section.index(':') + 1:]
209 parser_base = ConfigParser.SafeConfigParser()
210 parser_base.read(self.test_dir + '/' + base)
211 base_items = parser_base.items('event')
213 e = Event(section, parser_items, base_items)
216 def run_cmd(self, tempdir):
217 junk1, junk2, junk3, junk4, myarch = (os.uname())
219 if self.skip_test(myarch):
220 raise Notest(self, myarch)
222 cmd = "PERF_TEST_ATTR=%s %s %s -o %s/perf.data %s" % (tempdir,
223 self.perf, self.command, tempdir, self.args)
224 ret = os.WEXITSTATUS(os.system(cmd))
226 log.info(" '%s' ret '%s', expected '%s'" % (cmd, str(ret), str(self.ret)))
228 if not data_equal(str(ret), str(self.ret)):
231 def compare(self, expect, result):
234 log.debug(" compare");
236 # For each expected event find all matching
237 # events in result. Fail if there's not any.
238 for exp_name, exp_event in expect.items():
241 log.debug(" matching [%s]" % exp_name)
242 for res_name, res_event in result.items():
243 log.debug(" to [%s]" % res_name)
244 if (exp_event.equal(res_event)):
245 exp_list.append(res_name)
248 log.debug(" ->FAIL");
250 log.debug(" match: [%s] matches %s" % (exp_name, str(exp_list)))
252 # we did not any matching event - fail
254 if exp_event.optional():
255 log.debug(" %s does not match, but is optional" % exp_name)
258 log.debug(" res_event is empty");
260 exp_event.diff(res_event)
261 raise Fail(self, 'match failure');
263 match[exp_name] = exp_list
265 # For each defined group in the expected events
266 # check we match the same group in the result.
267 for exp_name, exp_event in expect.items():
268 group = exp_event.group
273 for res_name in match[exp_name]:
274 res_group = result[res_name].group
275 if res_group not in match[group]:
276 raise Fail(self, 'group failure')
278 log.debug(" group: [%s] matches group leader %s" %
279 (exp_name, str(match[group])))
281 log.debug(" matched")
283 def resolve_groups(self, events):
284 for name, event in events.items():
285 group_fd = event['group_fd'];
289 for iname, ievent in events.items():
290 if (ievent['fd'] == group_fd):
292 log.debug('[%s] has group leader [%s]' % (name, iname))
296 tempdir = tempfile.mkdtemp();
299 # run the test script
300 self.run_cmd(tempdir);
302 # load events expectation for the test
303 log.debug(" loading result events");
304 for f in glob.glob(tempdir + '/event*'):
305 self.load_events(f, self.result);
307 # resolve group_fd to event names
308 self.resolve_groups(self.expect);
309 self.resolve_groups(self.result);
311 # do the expectation - results matching - both ways
312 self.compare(self.expect, self.result)
313 self.compare(self.result, self.expect)
317 shutil.rmtree(tempdir)
320 def run_tests(options):
321 for f in glob.glob(options.test_dir + '/' + options.test):
323 Test(f, options).run()
325 log.warning("unsupp %s" % obj.getMsg())
327 log.warning("skipped %s" % obj.getMsg())
329 def setup_log(verbose):
331 level = logging.CRITICAL
334 level = logging.WARNING
338 level = logging.DEBUG
340 log = logging.getLogger('test')
342 ch = logging.StreamHandler()
344 formatter = logging.Formatter('%(message)s')
345 ch.setFormatter(formatter)
348 USAGE = '''%s [OPTIONS]
350 -p path # perf binary
351 -t test # single test
356 parser = optparse.OptionParser(usage=USAGE)
358 parser.add_option("-t", "--test",
359 action="store", type="string", dest="test")
360 parser.add_option("-d", "--test-dir",
361 action="store", type="string", dest="test_dir")
362 parser.add_option("-p", "--perf",
363 action="store", type="string", dest="perf")
364 parser.add_option("-v", "--verbose",
365 action="count", dest="verbose")
367 options, args = parser.parse_args()
369 parser.error('FAILED wrong arguments %s' % ' '.join(args))
372 setup_log(options.verbose)
374 if not options.test_dir:
375 print 'FAILED no -d option specified'
379 options.test = 'test*'
385 print "FAILED %s" % obj.getMsg();
390 if __name__ == '__main__':