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ZTS: Log test name to /dev/kmsg on Linux

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Add a -K option to the test suite to log each test name to /dev/kmsg
(on Linux), so if there's a kernel warning we'll be able to match
it up to a particular test.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes  #13227
This commit is contained in:
Tony Hutter
2022-03-23 08:15:02 -07:00
parent a69765ea5b
commit fc2c0256c5
2 changed files with 32 additions and 10 deletions
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tests/test-runner/bin/test-runner.py.in
+24 -9
View File
@@ -39,6 +39,7 @@ from subprocess import Popen
from subprocess import check_output
from threading import Timer
from time import time
from os.path import exists
BASEDIR = '/var/tmp/test_results'
TESTDIR = '/usr/share/zfs/'
@@ -264,7 +265,7 @@ User: %s
return out.lines, err.lines
def run(self, dryrun, kmemleak):
def run(self, dryrun, kmemleak, kmsg):
"""
This is the main function that runs each individual test.
Determine whether or not the command requires sudo, and modify it
@@ -283,6 +284,18 @@ User: %s
except OSError as e:
fail('%s' % e)
"""
Log each test we run to /dev/kmsg (on Linux), so if there's a kernel
warning we'll be able to match it up to a particular test.
"""
if kmsg is True and exists("/dev/kmsg"):
try:
kp = Popen([SUDO, "sh", "-c",
f"echo ZTS run {self.pathname} > /dev/kmsg"])
kp.wait()
except Exception:
pass
self.result.starttime = monotonic_time()
if kmemleak:
@@ -467,14 +480,14 @@ Tags: %s
cont = True
if len(pretest.pathname):
pretest.run(options.dryrun, False)
pretest.run(options.dryrun, False, options.kmsg)
cont = pretest.result.result == 'PASS'
pretest.log(options)
if cont:
test.run(options.dryrun, options.kmemleak)
test.run(options.dryrun, options.kmemleak, options.kmsg)
if test.result.result == 'KILLED' and len(failsafe.pathname):
failsafe.run(options.dryrun, False)
failsafe.run(options.dryrun, False, options.kmsg)
failsafe.log(options, suppress_console=True)
else:
test.skip()
@@ -482,7 +495,7 @@ Tags: %s
test.log(options)
if len(posttest.pathname):
posttest.run(options.dryrun, False)
posttest.run(options.dryrun, False, options.kmsg)
posttest.log(options)
@@ -585,7 +598,7 @@ Tags: %s
cont = True
if len(pretest.pathname):
pretest.run(options.dryrun, False)
pretest.run(options.dryrun, False, options.kmsg)
cont = pretest.result.result == 'PASS'
pretest.log(options)
@@ -598,9 +611,9 @@ Tags: %s
failsafe = Cmd(self.failsafe, outputdir=odir, timeout=self.timeout,
user=self.failsafe_user, identifier=self.identifier)
if cont:
test.run(options.dryrun, options.kmemleak)
test.run(options.dryrun, options.kmemleak, options.kmsg)
if test.result.result == 'KILLED' and len(failsafe.pathname):
failsafe.run(options.dryrun, False)
failsafe.run(options.dryrun, False, options.kmsg)
failsafe.log(options, suppress_console=True)
else:
test.skip()
@@ -608,7 +621,7 @@ Tags: %s
test.log(options)
if len(posttest.pathname):
posttest.run(options.dryrun, False)
posttest.run(options.dryrun, False, options.kmsg)
posttest.log(options)
@@ -1068,6 +1081,8 @@ def parse_args():
parser.add_option('-i', action='callback', callback=options_cb,
default=TESTDIR, dest='testdir', type='string',
metavar='testdir', help='Specify a test directory.')
parser.add_option('-K', action='store_true', default=False, dest='kmsg',
help='Log tests names to /dev/kmsg')
parser.add_option('-m', action='callback', callback=kmemleak_cb,
default=False, dest='kmemleak',
help='Enable kmemleak reporting (Linux only)')