[Piglit] [PATCH 3/3] Optionally capture dmesg changes for each test and report them in a summary
Marek Olšák
maraeo at gmail.com
Mon Sep 16 11:08:35 PDT 2013
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
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