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-rwxr-xr-xtools/testing/kunit/kunit.py184
1 files changed, 87 insertions, 97 deletions
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 7a706f96f68d..4d4663fb578b 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -10,6 +10,7 @@
import argparse
import os
import re
+import shlex
import sys
import time
@@ -17,11 +18,12 @@ assert sys.version_info >= (3, 7), "Python version is too old"
from dataclasses import dataclass
from enum import Enum, auto
-from typing import Any, Iterable, Sequence, List, Optional
+from typing import Iterable, List, Optional, Sequence, Tuple
import kunit_json
import kunit_kernel
import kunit_parser
+from kunit_printer import stdout
class KunitStatus(Enum):
SUCCESS = auto()
@@ -32,7 +34,6 @@ class KunitStatus(Enum):
@dataclass
class KunitResult:
status: KunitStatus
- result: Any
elapsed_time: float
@dataclass
@@ -43,18 +44,16 @@ class KunitConfigRequest:
@dataclass
class KunitBuildRequest(KunitConfigRequest):
jobs: int
- alltests: bool
@dataclass
class KunitParseRequest:
raw_output: Optional[str]
- build_dir: str
json: Optional[str]
@dataclass
class KunitExecRequest(KunitParseRequest):
+ build_dir: str
timeout: int
- alltests: bool
filter_glob: str
kernel_args: Optional[List[str]]
run_isolated: Optional[str]
@@ -64,8 +63,6 @@ class KunitRequest(KunitExecRequest, KunitBuildRequest):
pass
-KernelDirectoryPath = sys.argv[0].split('tools/testing/kunit/')[0]
-
def get_kernel_root_path() -> str:
path = sys.argv[0] if not __file__ else __file__
parts = os.path.realpath(path).split('tools/testing/kunit')
@@ -75,39 +72,33 @@ def get_kernel_root_path() -> str:
def config_tests(linux: kunit_kernel.LinuxSourceTree,
request: KunitConfigRequest) -> KunitResult:
- kunit_parser.print_with_timestamp('Configuring KUnit Kernel ...')
+ stdout.print_with_timestamp('Configuring KUnit Kernel ...')
config_start = time.time()
success = linux.build_reconfig(request.build_dir, request.make_options)
config_end = time.time()
if not success:
return KunitResult(KunitStatus.CONFIG_FAILURE,
- 'could not configure kernel',
config_end - config_start)
return KunitResult(KunitStatus.SUCCESS,
- 'configured kernel successfully',
config_end - config_start)
def build_tests(linux: kunit_kernel.LinuxSourceTree,
request: KunitBuildRequest) -> KunitResult:
- kunit_parser.print_with_timestamp('Building KUnit Kernel ...')
+ stdout.print_with_timestamp('Building KUnit Kernel ...')
build_start = time.time()
- success = linux.build_kernel(request.alltests,
- request.jobs,
+ success = linux.build_kernel(request.jobs,
request.build_dir,
request.make_options)
build_end = time.time()
if not success:
return KunitResult(KunitStatus.BUILD_FAILURE,
- 'could not build kernel',
build_end - build_start)
if not success:
return KunitResult(KunitStatus.BUILD_FAILURE,
- 'could not build kernel',
build_end - build_start)
return KunitResult(KunitStatus.SUCCESS,
- 'built kernel successfully',
build_end - build_start)
def config_and_build_tests(linux: kunit_kernel.LinuxSourceTree,
@@ -124,7 +115,7 @@ def _list_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitExecRequest)
args.extend(request.kernel_args)
output = linux.run_kernel(args=args,
- timeout=None if request.alltests else request.timeout,
+ timeout=request.timeout,
filter_glob=request.filter_glob,
build_dir=request.build_dir)
lines = kunit_parser.extract_tap_lines(output)
@@ -132,7 +123,7 @@ def _list_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitExecRequest)
lines.pop()
# Filter out any extraneous non-test output that might have gotten mixed in.
- return [l for l in lines if re.match('^[^\s.]+\.[^\s.]+$', l)]
+ return [l for l in lines if re.match(r'^[^\s.]+\.[^\s.]+$', l)]
def _suites_from_test_list(tests: List[str]) -> List[str]:
"""Extracts all the suites from an ordered list of tests."""
@@ -161,26 +152,28 @@ def exec_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitExecRequest) -
test_glob = request.filter_glob.split('.', maxsplit=2)[1]
filter_globs = [g + '.'+ test_glob for g in filter_globs]
+ metadata = kunit_json.Metadata(arch=linux.arch(), build_dir=request.build_dir, def_config='kunit_defconfig')
+
test_counts = kunit_parser.TestCounts()
exec_time = 0.0
for i, filter_glob in enumerate(filter_globs):
- kunit_parser.print_with_timestamp('Starting KUnit Kernel ({}/{})...'.format(i+1, len(filter_globs)))
+ stdout.print_with_timestamp('Starting KUnit Kernel ({}/{})...'.format(i+1, len(filter_globs)))
test_start = time.time()
run_result = linux.run_kernel(
args=request.kernel_args,
- timeout=None if request.alltests else request.timeout,
+ timeout=request.timeout,
filter_glob=filter_glob,
build_dir=request.build_dir)
- result = parse_tests(request, run_result)
+ _, test_result = parse_tests(request, metadata, run_result)
# run_kernel() doesn't block on the kernel exiting.
# That only happens after we get the last line of output from `run_result`.
# So exec_time here actually contains parsing + execution time, which is fine.
test_end = time.time()
exec_time += test_end - test_start
- test_counts.add_subtest_counts(result.result.counts)
+ test_counts.add_subtest_counts(test_result.counts)
if len(filter_globs) == 1 and test_counts.crashed > 0:
bd = request.build_dir
@@ -189,15 +182,14 @@ def exec_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitExecRequest) -
bd, bd, kunit_kernel.get_outfile_path(bd), bd, sys.argv[0]))
kunit_status = _map_to_overall_status(test_counts.get_status())
- return KunitResult(status=kunit_status, result=result, elapsed_time=exec_time)
+ return KunitResult(status=kunit_status, elapsed_time=exec_time)
def _map_to_overall_status(test_status: kunit_parser.TestStatus) -> KunitStatus:
if test_status in (kunit_parser.TestStatus.SUCCESS, kunit_parser.TestStatus.SKIPPED):
return KunitStatus.SUCCESS
- else:
- return KunitStatus.TEST_FAILURE
+ return KunitStatus.TEST_FAILURE
-def parse_tests(request: KunitParseRequest, input_data: Iterable[str]) -> KunitResult:
+def parse_tests(request: KunitParseRequest, metadata: kunit_json.Metadata, input_data: Iterable[str]) -> Tuple[KunitResult, kunit_parser.Test]:
parse_start = time.time()
test_result = kunit_parser.Test()
@@ -211,9 +203,7 @@ def parse_tests(request: KunitParseRequest, input_data: Iterable[str]) -> KunitR
if request.raw_output == 'all':
pass
elif request.raw_output == 'kunit':
- output = kunit_parser.extract_tap_lines(output)
- else:
- print(f'Unknown --raw_output option "{request.raw_output}"', file=sys.stderr)
+ output = kunit_parser.extract_tap_lines(output, lstrip=False)
for line in output:
print(line.rstrip())
@@ -222,20 +212,21 @@ def parse_tests(request: KunitParseRequest, input_data: Iterable[str]) -> KunitR
parse_end = time.time()
if request.json:
- json_obj = kunit_json.get_json_result(
+ json_str = kunit_json.get_json_result(
test=test_result,
- def_config='kunit_defconfig',
- build_dir=request.build_dir,
- json_path=request.json)
+ metadata=metadata)
if request.json == 'stdout':
- print(json_obj)
+ print(json_str)
+ else:
+ with open(request.json, 'w') as f:
+ f.write(json_str)
+ stdout.print_with_timestamp("Test results stored in %s" %
+ os.path.abspath(request.json))
if test_result.status != kunit_parser.TestStatus.SUCCESS:
- return KunitResult(KunitStatus.TEST_FAILURE, test_result,
- parse_end - parse_start)
+ return KunitResult(KunitStatus.TEST_FAILURE, parse_end - parse_start), test_result
- return KunitResult(KunitStatus.SUCCESS, test_result,
- parse_end - parse_start)
+ return KunitResult(KunitStatus.SUCCESS, parse_end - parse_start), test_result
def run_tests(linux: kunit_kernel.LinuxSourceTree,
request: KunitRequest) -> KunitResult:
@@ -253,7 +244,7 @@ def run_tests(linux: kunit_kernel.LinuxSourceTree,
run_end = time.time()
- kunit_parser.print_with_timestamp((
+ stdout.print_with_timestamp((
'Elapsed time: %.3fs total, %.3fs configuring, %.3fs ' +
'building, %.3fs running\n') % (
run_end - run_start,
@@ -289,22 +280,23 @@ def add_common_opts(parser) -> None:
parser.add_argument('--build_dir',
help='As in the make command, it specifies the build '
'directory.',
- type=str, default='.kunit', metavar='build_dir')
+ type=str, default='.kunit', metavar='DIR')
parser.add_argument('--make_options',
help='X=Y make option, can be repeated.',
- action='append')
+ action='append', metavar='X=Y')
parser.add_argument('--alltests',
- help='Run all KUnit tests through allyesconfig',
+ help='Run all KUnit tests via tools/testing/kunit/configs/all_tests.config',
action='store_true')
parser.add_argument('--kunitconfig',
help='Path to Kconfig fragment that enables KUnit tests.'
' If given a directory, (e.g. lib/kunit), "/.kunitconfig" '
- 'will get automatically appended.',
- metavar='kunitconfig')
+ 'will get automatically appended. If repeated, the files '
+ 'blindly concatenated, which might not work in all cases.',
+ action='append', metavar='PATHS')
parser.add_argument('--kconfig_add',
help='Additional Kconfig options to append to the '
'.kunitconfig, e.g. CONFIG_KASAN=y. Can be repeated.',
- action='append')
+ action='append', metavar='CONFIG_X=Y')
parser.add_argument('--arch',
help=('Specifies the architecture to run tests under. '
@@ -312,7 +304,7 @@ def add_common_opts(parser) -> None:
'string passed to the ARCH make param, '
'e.g. i386, x86_64, arm, um, etc. Non-UML '
'architectures run on QEMU.'),
- type=str, default='um', metavar='arch')
+ type=str, default='um', metavar='ARCH')
parser.add_argument('--cross_compile',
help=('Sets make\'s CROSS_COMPILE variable; it should '
@@ -324,18 +316,22 @@ def add_common_opts(parser) -> None:
'if you have downloaded the microblaze toolchain '
'from the 0-day website to a directory in your '
'home directory called `toolchains`).'),
- metavar='cross_compile')
+ metavar='PREFIX')
parser.add_argument('--qemu_config',
help=('Takes a path to a path to a file containing '
'a QemuArchParams object.'),
- type=str, metavar='qemu_config')
+ type=str, metavar='FILE')
+
+ parser.add_argument('--qemu_args',
+ help='Additional QEMU arguments, e.g. "-smp 8"',
+ action='append', metavar='')
def add_build_opts(parser) -> None:
parser.add_argument('--jobs',
help='As in the make command, "Specifies the number of '
'jobs (commands) to run simultaneously."',
- type=int, default=get_default_jobs(), metavar='jobs')
+ type=int, default=get_default_jobs(), metavar='N')
def add_exec_opts(parser) -> None:
parser.add_argument('--timeout',
@@ -344,7 +340,7 @@ def add_exec_opts(parser) -> None:
'tests.',
type=int,
default=300,
- metavar='timeout')
+ metavar='SECONDS')
parser.add_argument('filter_glob',
help='Filter which KUnit test suites/tests run at '
'boot-time, e.g. list* or list*.*del_test',
@@ -354,26 +350,50 @@ def add_exec_opts(parser) -> None:
metavar='filter_glob')
parser.add_argument('--kernel_args',
help='Kernel command-line parameters. Maybe be repeated',
- action='append')
+ action='append', metavar='')
parser.add_argument('--run_isolated', help='If set, boot the kernel for each '
'individual suite/test. This is can be useful for debugging '
'a non-hermetic test, one that might pass/fail based on '
'what ran before it.',
type=str,
- choices=['suite', 'test']),
+ choices=['suite', 'test'])
def add_parse_opts(parser) -> None:
parser.add_argument('--raw_output', help='If set don\'t format output from kernel. '
'If set to --raw_output=kunit, filters to just KUnit output.',
- type=str, nargs='?', const='all', default=None)
+ type=str, nargs='?', const='all', default=None, choices=['all', 'kunit'])
parser.add_argument('--json',
nargs='?',
help='Stores test results in a JSON, and either '
'prints to stdout or saves to file if a '
'filename is specified',
- type=str, const='stdout', default=None)
+ type=str, const='stdout', default=None, metavar='FILE')
+
-def main(argv, linux=None):
+def tree_from_args(cli_args: argparse.Namespace) -> kunit_kernel.LinuxSourceTree:
+ """Returns a LinuxSourceTree based on the user's arguments."""
+ # Allow users to specify multiple arguments in one string, e.g. '-smp 8'
+ qemu_args: List[str] = []
+ if cli_args.qemu_args:
+ for arg in cli_args.qemu_args:
+ qemu_args.extend(shlex.split(arg))
+
+ kunitconfigs = cli_args.kunitconfig if cli_args.kunitconfig else []
+ if cli_args.alltests:
+ # Prepend so user-specified options take prio if we ever allow
+ # --kunitconfig options to have differing options.
+ kunitconfigs = [kunit_kernel.ALL_TESTS_CONFIG_PATH] + kunitconfigs
+
+ return kunit_kernel.LinuxSourceTree(cli_args.build_dir,
+ kunitconfig_paths=kunitconfigs,
+ kconfig_add=cli_args.kconfig_add,
+ arch=cli_args.arch,
+ cross_compile=cli_args.cross_compile,
+ qemu_config_path=cli_args.qemu_config,
+ extra_qemu_args=qemu_args)
+
+
+def main(argv):
parser = argparse.ArgumentParser(
description='Helps writing and running KUnit tests.')
subparser = parser.add_subparsers(dest='subcommand')
@@ -420,18 +440,10 @@ def main(argv, linux=None):
if not os.path.exists(cli_args.build_dir):
os.mkdir(cli_args.build_dir)
- if not linux:
- linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir,
- kunitconfig_path=cli_args.kunitconfig,
- kconfig_add=cli_args.kconfig_add,
- arch=cli_args.arch,
- cross_compile=cli_args.cross_compile,
- qemu_config_path=cli_args.qemu_config)
-
+ linux = tree_from_args(cli_args)
request = KunitRequest(build_dir=cli_args.build_dir,
make_options=cli_args.make_options,
jobs=cli_args.jobs,
- alltests=cli_args.alltests,
raw_output=cli_args.raw_output,
json=cli_args.json,
timeout=cli_args.timeout,
@@ -446,74 +458,52 @@ def main(argv, linux=None):
not os.path.exists(cli_args.build_dir)):
os.mkdir(cli_args.build_dir)
- if not linux:
- linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir,
- kunitconfig_path=cli_args.kunitconfig,
- kconfig_add=cli_args.kconfig_add,
- arch=cli_args.arch,
- cross_compile=cli_args.cross_compile,
- qemu_config_path=cli_args.qemu_config)
-
+ linux = tree_from_args(cli_args)
request = KunitConfigRequest(build_dir=cli_args.build_dir,
make_options=cli_args.make_options)
result = config_tests(linux, request)
- kunit_parser.print_with_timestamp((
+ stdout.print_with_timestamp((
'Elapsed time: %.3fs\n') % (
result.elapsed_time))
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
elif cli_args.subcommand == 'build':
- if not linux:
- linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir,
- kunitconfig_path=cli_args.kunitconfig,
- kconfig_add=cli_args.kconfig_add,
- arch=cli_args.arch,
- cross_compile=cli_args.cross_compile,
- qemu_config_path=cli_args.qemu_config)
-
+ linux = tree_from_args(cli_args)
request = KunitBuildRequest(build_dir=cli_args.build_dir,
make_options=cli_args.make_options,
- jobs=cli_args.jobs,
- alltests=cli_args.alltests)
+ jobs=cli_args.jobs)
result = config_and_build_tests(linux, request)
- kunit_parser.print_with_timestamp((
+ stdout.print_with_timestamp((
'Elapsed time: %.3fs\n') % (
result.elapsed_time))
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
elif cli_args.subcommand == 'exec':
- if not linux:
- linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir,
- kunitconfig_path=cli_args.kunitconfig,
- kconfig_add=cli_args.kconfig_add,
- arch=cli_args.arch,
- cross_compile=cli_args.cross_compile,
- qemu_config_path=cli_args.qemu_config)
-
+ linux = tree_from_args(cli_args)
exec_request = KunitExecRequest(raw_output=cli_args.raw_output,
build_dir=cli_args.build_dir,
json=cli_args.json,
timeout=cli_args.timeout,
- alltests=cli_args.alltests,
filter_glob=cli_args.filter_glob,
kernel_args=cli_args.kernel_args,
run_isolated=cli_args.run_isolated)
result = exec_tests(linux, exec_request)
- kunit_parser.print_with_timestamp((
+ stdout.print_with_timestamp((
'Elapsed time: %.3fs\n') % (result.elapsed_time))
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
elif cli_args.subcommand == 'parse':
- if cli_args.file == None:
+ if cli_args.file is None:
sys.stdin.reconfigure(errors='backslashreplace') # pytype: disable=attribute-error
kunit_output = sys.stdin
else:
with open(cli_args.file, 'r', errors='backslashreplace') as f:
kunit_output = f.read().splitlines()
+ # We know nothing about how the result was created!
+ metadata = kunit_json.Metadata()
request = KunitParseRequest(raw_output=cli_args.raw_output,
- build_dir='',
json=cli_args.json)
- result = parse_tests(request, kunit_output)
+ result, _ = parse_tests(request, metadata, kunit_output)
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
else: