mirror of https://gitee.com/openkylin/linux.git
349 lines
11 KiB
Python
Executable File
349 lines
11 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0
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#
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# A thin wrapper on top of the KUnit Kernel
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#
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# Copyright (C) 2019, Google LLC.
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# Author: Felix Guo <felixguoxiuping@gmail.com>
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# Author: Brendan Higgins <brendanhiggins@google.com>
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import argparse
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import sys
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import os
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import time
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from collections import namedtuple
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from enum import Enum, auto
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import kunit_config
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import kunit_json
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import kunit_kernel
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import kunit_parser
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KunitResult = namedtuple('KunitResult', ['status','result','elapsed_time'])
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KunitConfigRequest = namedtuple('KunitConfigRequest',
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['build_dir', 'make_options'])
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KunitBuildRequest = namedtuple('KunitBuildRequest',
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['jobs', 'build_dir', 'alltests',
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'make_options'])
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KunitExecRequest = namedtuple('KunitExecRequest',
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['timeout', 'build_dir', 'alltests'])
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KunitParseRequest = namedtuple('KunitParseRequest',
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['raw_output', 'input_data', 'build_dir', 'json'])
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KunitRequest = namedtuple('KunitRequest', ['raw_output','timeout', 'jobs',
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'build_dir', 'alltests', 'json',
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'make_options'])
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KernelDirectoryPath = sys.argv[0].split('tools/testing/kunit/')[0]
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class KunitStatus(Enum):
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SUCCESS = auto()
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CONFIG_FAILURE = auto()
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BUILD_FAILURE = auto()
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TEST_FAILURE = auto()
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def get_kernel_root_path():
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parts = sys.argv[0] if not __file__ else __file__
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parts = os.path.realpath(parts).split('tools/testing/kunit')
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if len(parts) != 2:
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sys.exit(1)
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return parts[0]
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def config_tests(linux: kunit_kernel.LinuxSourceTree,
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request: KunitConfigRequest) -> KunitResult:
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kunit_parser.print_with_timestamp('Configuring KUnit Kernel ...')
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config_start = time.time()
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success = linux.build_reconfig(request.build_dir, request.make_options)
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config_end = time.time()
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if not success:
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return KunitResult(KunitStatus.CONFIG_FAILURE,
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'could not configure kernel',
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config_end - config_start)
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return KunitResult(KunitStatus.SUCCESS,
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'configured kernel successfully',
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config_end - config_start)
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def build_tests(linux: kunit_kernel.LinuxSourceTree,
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request: KunitBuildRequest) -> KunitResult:
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kunit_parser.print_with_timestamp('Building KUnit Kernel ...')
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build_start = time.time()
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success = linux.build_um_kernel(request.alltests,
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request.jobs,
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request.build_dir,
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request.make_options)
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build_end = time.time()
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if not success:
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return KunitResult(KunitStatus.BUILD_FAILURE,
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'could not build kernel',
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build_end - build_start)
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if not success:
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return KunitResult(KunitStatus.BUILD_FAILURE,
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'could not build kernel',
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build_end - build_start)
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return KunitResult(KunitStatus.SUCCESS,
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'built kernel successfully',
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build_end - build_start)
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def exec_tests(linux: kunit_kernel.LinuxSourceTree,
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request: KunitExecRequest) -> KunitResult:
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kunit_parser.print_with_timestamp('Starting KUnit Kernel ...')
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test_start = time.time()
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result = linux.run_kernel(
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timeout=None if request.alltests else request.timeout,
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build_dir=request.build_dir)
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test_end = time.time()
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return KunitResult(KunitStatus.SUCCESS,
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result,
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test_end - test_start)
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def parse_tests(request: KunitParseRequest) -> KunitResult:
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parse_start = time.time()
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test_result = kunit_parser.TestResult(kunit_parser.TestStatus.SUCCESS,
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[],
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'Tests not Parsed.')
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if request.raw_output:
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kunit_parser.raw_output(request.input_data)
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else:
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test_result = kunit_parser.parse_run_tests(request.input_data)
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parse_end = time.time()
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if request.json:
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json_obj = kunit_json.get_json_result(
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test_result=test_result,
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def_config='kunit_defconfig',
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build_dir=request.build_dir,
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json_path=request.json)
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if request.json == 'stdout':
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print(json_obj)
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if test_result.status != kunit_parser.TestStatus.SUCCESS:
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return KunitResult(KunitStatus.TEST_FAILURE, test_result,
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parse_end - parse_start)
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return KunitResult(KunitStatus.SUCCESS, test_result,
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parse_end - parse_start)
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def run_tests(linux: kunit_kernel.LinuxSourceTree,
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request: KunitRequest) -> KunitResult:
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run_start = time.time()
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config_request = KunitConfigRequest(request.build_dir,
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request.make_options)
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config_result = config_tests(linux, config_request)
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if config_result.status != KunitStatus.SUCCESS:
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return config_result
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build_request = KunitBuildRequest(request.jobs, request.build_dir,
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request.alltests,
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request.make_options)
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build_result = build_tests(linux, build_request)
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if build_result.status != KunitStatus.SUCCESS:
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return build_result
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exec_request = KunitExecRequest(request.timeout, request.build_dir,
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request.alltests)
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exec_result = exec_tests(linux, exec_request)
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if exec_result.status != KunitStatus.SUCCESS:
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return exec_result
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parse_request = KunitParseRequest(request.raw_output,
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exec_result.result,
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request.build_dir,
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request.json)
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parse_result = parse_tests(parse_request)
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run_end = time.time()
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kunit_parser.print_with_timestamp((
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'Elapsed time: %.3fs total, %.3fs configuring, %.3fs ' +
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'building, %.3fs running\n') % (
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run_end - run_start,
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config_result.elapsed_time,
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build_result.elapsed_time,
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exec_result.elapsed_time))
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return parse_result
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def add_common_opts(parser):
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parser.add_argument('--build_dir',
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help='As in the make command, it specifies the build '
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'directory.',
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type=str, default='.kunit', metavar='build_dir')
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parser.add_argument('--make_options',
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help='X=Y make option, can be repeated.',
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action='append')
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parser.add_argument('--alltests',
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help='Run all KUnit tests through allyesconfig',
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action='store_true')
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def add_build_opts(parser):
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parser.add_argument('--jobs',
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help='As in the make command, "Specifies the number of '
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'jobs (commands) to run simultaneously."',
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type=int, default=8, metavar='jobs')
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def add_exec_opts(parser):
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parser.add_argument('--timeout',
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help='maximum number of seconds to allow for all tests '
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'to run. This does not include time taken to build the '
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'tests.',
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type=int,
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default=300,
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metavar='timeout')
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def add_parse_opts(parser):
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parser.add_argument('--raw_output', help='don\'t format output from kernel',
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action='store_true')
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parser.add_argument('--json',
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nargs='?',
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help='Stores test results in a JSON, and either '
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'prints to stdout or saves to file if a '
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'filename is specified',
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type=str, const='stdout', default=None)
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def main(argv, linux=None):
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parser = argparse.ArgumentParser(
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description='Helps writing and running KUnit tests.')
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subparser = parser.add_subparsers(dest='subcommand')
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# The 'run' command will config, build, exec, and parse in one go.
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run_parser = subparser.add_parser('run', help='Runs KUnit tests.')
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add_common_opts(run_parser)
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add_build_opts(run_parser)
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add_exec_opts(run_parser)
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add_parse_opts(run_parser)
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config_parser = subparser.add_parser('config',
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help='Ensures that .config contains all of '
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'the options in .kunitconfig')
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add_common_opts(config_parser)
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build_parser = subparser.add_parser('build', help='Builds a kernel with KUnit tests')
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add_common_opts(build_parser)
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add_build_opts(build_parser)
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exec_parser = subparser.add_parser('exec', help='Run a kernel with KUnit tests')
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add_common_opts(exec_parser)
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add_exec_opts(exec_parser)
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add_parse_opts(exec_parser)
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# The 'parse' option is special, as it doesn't need the kernel source
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# (therefore there is no need for a build_dir, hence no add_common_opts)
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# and the '--file' argument is not relevant to 'run', so isn't in
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# add_parse_opts()
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parse_parser = subparser.add_parser('parse',
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help='Parses KUnit results from a file, '
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'and parses formatted results.')
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add_parse_opts(parse_parser)
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parse_parser.add_argument('file',
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help='Specifies the file to read results from.',
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type=str, nargs='?', metavar='input_file')
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cli_args = parser.parse_args(argv)
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if get_kernel_root_path():
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os.chdir(get_kernel_root_path())
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if cli_args.subcommand == 'run':
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if not os.path.exists(cli_args.build_dir):
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os.mkdir(cli_args.build_dir)
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if not linux:
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linux = kunit_kernel.LinuxSourceTree()
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linux.create_kunitconfig(cli_args.build_dir)
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linux.read_kunitconfig(cli_args.build_dir)
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request = KunitRequest(cli_args.raw_output,
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cli_args.timeout,
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cli_args.jobs,
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cli_args.build_dir,
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cli_args.alltests,
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cli_args.json,
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cli_args.make_options)
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result = run_tests(linux, request)
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if result.status != KunitStatus.SUCCESS:
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sys.exit(1)
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elif cli_args.subcommand == 'config':
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if cli_args.build_dir and (
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not os.path.exists(cli_args.build_dir)):
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os.mkdir(cli_args.build_dir)
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if not linux:
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linux = kunit_kernel.LinuxSourceTree()
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linux.create_kunitconfig(cli_args.build_dir)
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linux.read_kunitconfig(cli_args.build_dir)
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request = KunitConfigRequest(cli_args.build_dir,
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cli_args.make_options)
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result = config_tests(linux, request)
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kunit_parser.print_with_timestamp((
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'Elapsed time: %.3fs\n') % (
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result.elapsed_time))
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if result.status != KunitStatus.SUCCESS:
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sys.exit(1)
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elif cli_args.subcommand == 'build':
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if not linux:
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linux = kunit_kernel.LinuxSourceTree()
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linux.create_kunitconfig(cli_args.build_dir)
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linux.read_kunitconfig(cli_args.build_dir)
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request = KunitBuildRequest(cli_args.jobs,
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cli_args.build_dir,
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cli_args.alltests,
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cli_args.make_options)
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result = build_tests(linux, request)
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kunit_parser.print_with_timestamp((
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'Elapsed time: %.3fs\n') % (
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result.elapsed_time))
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if result.status != KunitStatus.SUCCESS:
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sys.exit(1)
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elif cli_args.subcommand == 'exec':
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if not linux:
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linux = kunit_kernel.LinuxSourceTree()
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linux.create_kunitconfig(cli_args.build_dir)
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linux.read_kunitconfig(cli_args.build_dir)
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exec_request = KunitExecRequest(cli_args.timeout,
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cli_args.build_dir,
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cli_args.alltests)
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exec_result = exec_tests(linux, exec_request)
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parse_request = KunitParseRequest(cli_args.raw_output,
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exec_result.result,
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cli_args.build_dir,
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cli_args.json)
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result = parse_tests(parse_request)
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kunit_parser.print_with_timestamp((
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'Elapsed time: %.3fs\n') % (
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exec_result.elapsed_time))
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if result.status != KunitStatus.SUCCESS:
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sys.exit(1)
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elif cli_args.subcommand == 'parse':
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if cli_args.file == None:
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kunit_output = sys.stdin
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else:
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with open(cli_args.file, 'r') as f:
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kunit_output = f.read().splitlines()
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request = KunitParseRequest(cli_args.raw_output,
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kunit_output,
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None,
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cli_args.json)
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result = parse_tests(request)
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if result.status != KunitStatus.SUCCESS:
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sys.exit(1)
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else:
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parser.print_help()
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if __name__ == '__main__':
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main(sys.argv[1:])
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