We could filter the messages with another command-line option taking a regexp, but it's not a priority for me right now.
Marek On Mon, Sep 16, 2013 at 10:40 PM, Aaron Watry <[email protected]> wrote: > Stupid question, but I'm stuck in an airport and can't research the answer > easily right now... Will this throw ?false? positives as a result of DPM > performance level changes on kernel 3.11+ (assuming dpm is enabled)? Is > there any way to filter these messages out besides disabling DPM? > > --Aaron > > On Sep 16, 2013, at 1:08 PM, "Marek Olšák" <[email protected]> wrote: > >> The Radeon driver writes GPU page faults to dmesg and we need to know which >> test caused them. >> >> If there is any change in dmesg during a test run, the test result is changed >> as follows: >> * pass -> dmesg-warn >> * warn -> dmesg-warn >> * fail -> dmesg-fail >> Dmesg is captured before and after the test and the difference between the >> two >> is stored in the test summary. >> >> The piglit-run.py parameter which enables this behavior is --dmesg. It's also >> recommended to use -c0. >> --- >> framework/core.py | 5 ++-- >> framework/exectest.py | 64 >> +++++++++++++++++++++++++++++++++++++++++----- >> framework/shader_test.py | 4 +-- >> framework/summary.py | 26 ++++++++++++++----- >> piglit-run.py | 6 ++++- >> templates/index.css | 6 ++++- >> templates/test_result.mako | 7 ++++- >> 7 files changed, 98 insertions(+), 20 deletions(-) >> >> diff --git a/framework/core.py b/framework/core.py >> index 150a70c..9efae63 100644 >> --- a/framework/core.py >> +++ b/framework/core.py >> @@ -364,13 +364,14 @@ class TestrunResult: >> >> class Environment: >> def __init__(self, concurrent=True, execute=True, include_filter=[], >> - exclude_filter=[], valgrind=False): >> + exclude_filter=[], valgrind=False, dmesg=False): >> self.concurrent = concurrent >> self.execute = execute >> self.filter = [] >> self.exclude_filter = [] >> self.exclude_tests = set() >> self.valgrind = valgrind >> + self.dmesg = dmesg >> >> """ >> The filter lists that are read in should be a list of string objects, >> @@ -448,7 +449,7 @@ class Test: >> try: >> status("running") >> time_start = time.time() >> - result = self.run(env.valgrind) >> + result = self.run(env.valgrind, env.dmesg) >> time_end = time.time() >> if 'time' not in result: >> result['time'] = time_end - time_start >> diff --git a/framework/exectest.py b/framework/exectest.py >> index 6ee550c..2e9f0a5 100644 >> --- a/framework/exectest.py >> +++ b/framework/exectest.py >> @@ -35,8 +35,48 @@ if 'PIGLIT_PLATFORM' in os.environ: >> else: >> PIGLIT_PLATFORM = '' >> >> - >> -# ExecTest: A shared base class for tests that simply run an executable. >> +def read_dmesg(): >> + try: >> + proc = subprocess.Popen('dmesg', >> + stdout=subprocess.PIPE, >> + universal_newlines=True) >> + out, err = proc.communicate() >> + except OSError as e: >> + return None >> + return out >> + >> +def get_last_dmesg_timestamp(text): >> + for i in reversed(range(0, len(text)-1)): >> + if text[i] == '\n': >> + line = text[i+1:] >> + for right_bracket, char in enumerate(line): >> + if char == ']': >> + return line[:right_bracket+1] >> + return None >> + return None >> + >> +def get_dmesg_diff(old, new): >> + ts = get_last_dmesg_timestamp(old) >> + if ts == None: >> + return '' >> + >> + start = 0 >> + end = len(new)-1 >> + >> + while True: >> + pos = new.find(ts, start, end) >> + if pos == -1: >> + break >> + start = pos+len(ts) >> + >> + pos = new.find('\n', start, end) >> + if (pos == -1): >> + return '' >> + start = pos+1 >> + return new[start:end] >> + >> + >> +# ExecTest: A shared base class for tests that simply runs an executable. >> class ExecTest(Test): >> def __init__(self, command): >> Test.__init__(self) >> @@ -49,11 +89,11 @@ class ExecTest(Test): >> >> self.skip_test = self.check_for_skip_scenario(command) >> >> - def interpretResult(self, out, returncode, results): >> + def interpretResult(self, out, returncode, results, dmesg): >> raise NotImplementedError >> return out >> >> - def run(self, valgrind): >> + def run(self, valgrind, dmesg): >> """ >> Run a test. The return value will be a dictionary with keys >> including 'result', 'info', 'returncode' and 'command'. >> @@ -69,6 +109,7 @@ class ExecTest(Test): >> >> if self.command is not None: >> command = self.command >> + dmesg_diff = '' >> >> if valgrind: >> command[:0] = ['valgrind', '--quiet', '--error-exitcode=1', >> @@ -81,8 +122,13 @@ class ExecTest(Test): >> err = "" >> returncode = None >> else: >> + old_dmesg = '' >> + if dmesg: >> + old_dmesg = read_dmesg() >> (out, err, returncode) = \ >> self.get_command_result(command, fullenv) >> + if dmesg: >> + dmesg_diff = get_dmesg_diff(old_dmesg, read_dmesg()) >> >> # https://bugzilla.gnome.org/show_bug.cgi?id=680214 is >> # affecting many developers. If we catch it >> @@ -117,7 +163,7 @@ class ExecTest(Test): >> results['result'] = 'skip' >> else: >> results['result'] = 'fail' >> - out = self.interpretResult(out, returncode, results) >> + out = self.interpretResult(out, returncode, results, >> dmesg_diff) >> >> crash_codes = [ >> # Unix: terminated by a signal >> @@ -161,6 +207,7 @@ class ExecTest(Test): >> err, out) >> results['returncode'] = returncode >> results['command'] = ' '.join(self.command) >> + results['dmesg'] = dmesg_diff >> >> self.handleErr(results, err) >> >> @@ -217,11 +264,16 @@ class PlainExecTest(ExecTest): >> # Prepend testBinDir to the path. >> self.command[0] = testBinDir + self.command[0] >> >> - def interpretResult(self, out, returncode, results): >> + def interpretResult(self, out, returncode, results, dmesg): >> outlines = out.split('\n') >> outpiglit = map(lambda s: s[7:], >> filter(lambda s: s.startswith('PIGLIT:'), outlines)) >> >> + if dmesg != '': >> + outpiglit = map(lambda s: s.replace("'pass'", "'dmesg-warn'"), >> outpiglit) >> + outpiglit = map(lambda s: s.replace("'warn'", "'dmesg-warn'"), >> outpiglit) >> + outpiglit = map(lambda s: s.replace("'fail'", "'dmesg-fail'"), >> outpiglit) >> + >> if len(outpiglit) > 0: >> try: >> for piglit in outpiglit: >> diff --git a/framework/shader_test.py b/framework/shader_test.py >> index b80af24..c91c22e 100755 >> --- a/framework/shader_test.py >> +++ b/framework/shader_test.py >> @@ -243,7 +243,7 @@ class ShaderTest(PlainExecTest): >> self.__command = [runner] + self.__shader_runner_args >> return self.__command >> >> - def run(self, valgrind=False): >> + def run(self, valgrind=False, dmesg=False): >> """ Parse the test file's [require] block to determine which >> executable is needed to run the test. Then run the executable on the >> test file.""" >> @@ -259,7 +259,7 @@ class ShaderTest(PlainExecTest): >> # parsing the test file discovered an error. >> return self.__result >> >> - return PlainExecTest.run(self, valgrind) >> + return PlainExecTest.run(self, valgrind, dmesg) >> >> >> def _usage_error(): >> diff --git a/framework/summary.py b/framework/summary.py >> index 1cdbab7..5ce327c 100644 >> --- a/framework/summary.py >> +++ b/framework/summary.py >> @@ -325,10 +325,14 @@ class Summary: >> return 2 >> elif status == 'warn': >> return 3 >> - elif status == 'fail': >> + elif status == 'dmesg-warn': >> return 4 >> - elif status == 'crash': >> + elif status == 'fail': >> return 5 >> + elif status == 'dmesg-fail': >> + return 6 >> + elif status == 'crash': >> + return 7 >> >> openGroup('fake') >> openGroup('all') >> @@ -421,12 +425,16 @@ class Summary: >> return 1 >> elif status == 'warn': >> return 2 >> - elif status == 'fail': >> + elif status == 'dmesg-warn': >> return 3 >> - elif status == 'skip': >> + elif status == 'fail': >> return 4 >> - elif status == 'crash': >> + elif status == 'dmesg-fail': >> return 5 >> + elif status == 'skip': >> + return 6 >> + elif status == 'crash': >> + return 7 >> elif status == 'special': >> return 0 >> >> @@ -450,7 +458,7 @@ class Summary: >> # If the result contains a value other than 1 (pass) or 4 >> # (skip) it is a problem. Skips are not problems becasuse >> # they have Their own page. >> - if [i for e in [2, 3, 5] for i in status if e is i]: >> + if [i for e in [2, 3, 4, 5, 7] for i in status if e is >> i]: >> self.tests['problems'].append(test) >> >> if 'skipped' in lists: >> @@ -480,7 +488,8 @@ class Summary: >> Private: Find the total number of pass, fail, crash, skip, and warn >> in >> the *last* set of results stored in self.results. >> """ >> - self.totals = {'pass': 0, 'fail': 0, 'crash': 0, 'skip': 0, 'warn': >> 0} >> + self.totals = {'pass': 0, 'fail': 0, 'crash': 0, 'skip': 0, 'warn': >> 0, >> + 'dmesg-warn': 0, 'dmesg-fail': 0} >> >> for test in self.results[-1].tests.values(): >> self.totals[test['result']] += 1 >> @@ -547,6 +556,7 @@ class Summary: >> info=value.get('info', 'None'), >> traceback=value.get('traceback', 'None'), >> command=value.get('command', 'None'), >> + dmesg=value.get('dmesg', 'None'), >> css=path.relpath(resultCss, tPath), >> index=path.relpath(index, tPath))) >> file.close() >> @@ -625,6 +635,8 @@ class Summary: >> print " crash: %d" % self.totals['crash'] >> print " skip: %d" % self.totals['skip'] >> print " warn: %d" % self.totals['warn'] >> + print " dmesg-warn: %d" % self.totals['dmesg-warn'] >> + print " dmesg-fail: %d" % self.totals['dmesg-fail'] >> if self.tests['changes']: >> print " changes: %d" % len(self.tests['changes']) >> print " fixes: %d" % len(self.tests['fixes']) >> diff --git a/piglit-run.py b/piglit-run.py >> index 7945b21..169c621 100755 >> --- a/piglit-run.py >> +++ b/piglit-run.py >> @@ -72,6 +72,9 @@ def main(): >> parser.add_argument("--valgrind", >> action="store_true", >> help="Run tests in valgrind's memcheck") >> + parser.add_argument("--dmesg", >> + action="store_true", >> + help="Capture a difference in dmesg before and >> after each test") >> parser.add_argument("testProfile", >> metavar="<Path to test profile>", >> help="Path to testfile to run") >> @@ -108,7 +111,8 @@ def main(): >> exclude_filter=args.exclude_tests, >> include_filter=args.include_tests, >> execute=args.execute, >> - valgrind=args.valgrind) >> + valgrind=args.valgrind, >> + dmesg=args.dmesg) >> >> # Change working directory to the root of the piglit directory >> piglit_dir = path.dirname(path.realpath(sys.argv[0])) >> diff --git a/templates/index.css b/templates/index.css >> index 875333f..577370c 100644 >> --- a/templates/index.css >> +++ b/templates/index.css >> @@ -36,7 +36,7 @@ td:first-child > div { >> background-color: #c8c838 >> } >> >> -td.skip, td.warn, td.fail, td.pass, td.trap, td.abort, td.crash { >> +td.skip, td.warn, td.fail, td.pass, td.trap, td.abort, td.crash, >> td.dmesg-warn, td.dmesg-fail { >> text-align: right; >> } >> >> @@ -59,9 +59,13 @@ tr:nth-child(even) td.skip { background-color: #a0a0a0; } >> >> tr:nth-child(odd) td.warn { background-color: #ff9020; } >> tr:nth-child(even) td.warn { background-color: #ef8010; } >> +tr:nth-child(odd) td.dmesg-warn { background-color: #ff9020; } >> +tr:nth-child(even) td.dmesg-warn { background-color: #ef8010; } >> >> tr:nth-child(odd) td.fail { background-color: #ff2020; } >> tr:nth-child(even) td.fail { background-color: #e00505; } >> +tr:nth-child(odd) td.dmesg-fail { background-color: #ff2020; } >> +tr:nth-child(even) td.dmesg-fail { background-color: #e00505; } >> >> tr:nth-child(odd) td.trap { background-color: #111111; } >> tr:nth-child(even) td.trap { background-color: #000000; } >> diff --git a/templates/test_result.mako b/templates/test_result.mako >> index 410dbb4..b23fb8e 100644 >> --- a/templates/test_result.mako >> +++ b/templates/test_result.mako >> @@ -46,7 +46,12 @@ >> <pre>${traceback}</pre> >> </td> >> </tr> >> - >> + <tr> >> + <td>dmesg</td> >> + <td> >> + <pre>${dmesg}</pre> >> + </td> >> + </tr> >> </table> >> <p><a href="${index}">Back to summary</a></p> >> </body> >> -- >> 1.8.1.2 >> >> _______________________________________________ >> Piglit mailing list >> [email protected] >> http://lists.freedesktop.org/mailman/listinfo/piglit _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
