3rd-party/linux-kernel-module-cheat
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Fix import_path circular dependency by splitting it out.

Browse Source 
Use import thread_pool instead from, from is evil.

Fix poweroff.out path for ./trace-boot.
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2019-05-12 00:00:02 +00:00
parent 7cf3c20a40
commit 1ab7fbf607
26 changed files with 149 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
README.adoc
View File

@@ -14198,11 +14198,12 @@ You should also test that the Internet works:
./run --arch x86_64 --kernel-cli '- lkmc_eval="ifup -a;wget -S google.com;poweroff;"' ./run --arch x86_64 --kernel-cli '- lkmc_eval="ifup -a;wget -S google.com;poweroff;"'
.... ....
===== test-build-userland ===== CLI script tests
`build-userland` has a wide variety of target selection modes, and it was hard to keep them all working without a test. `build-userland` and `test-user-mode` have a wide variety of target selection modes, and it was hard to keep them all working without some tests:
So we've created the simple: link:test-build-userland[] to ensure that at least none of the build modes blows up. * link:test-build-userland[]
* link:test-test-user-mode[]
=== Bisection === Bisection

4
build
View File

@@ -10,6 +10,8 @@ import copy
import shell_helpers import shell_helpers
from shell_helpers import LF from shell_helpers import LF
import lkmc
class _Component: class _Component:
''' '''
Yes, we are re-inventing a crappy dependency resolution system, Yes, we are re-inventing a crappy dependency resolution system,
@@ -403,7 +405,7 @@ Which components to build. Default: qemu-buildroot
args = self.get_common_args() args = self.get_common_args()
args.update(extra_args) args.update(extra_args)
args['show_time'] = False args['show_time'] = False
common.import_path_main(component_file)(**args) lkmc.import_path.import_path_main(component_file)(**args)
return f return f
def timed_main(self): def timed_main(self):

2
build-buildroot
View File

@@ -161,7 +161,7 @@ usually extra Buildroot targets.
] + ] +
extra_make_args extra_make_args
, ,
out_file=os.path.join(self.env['buildroot_build_dir'], 'lkmc.log'), out_file=os.path.join(self.env['buildroot_build_dir'], self.env['repo_short_id'] + '.log'),
delete_env=['LD_LIBRARY_PATH'], delete_env=['LD_LIBRARY_PATH'],
cwd=self.env['buildroot_source_dir'], cwd=self.env['buildroot_source_dir'],
) )

2
build-crosstool-ng
View File

@@ -61,7 +61,7 @@ Build crosstool-NG with Newlib for bare metal compilation
'build', LF, 'build', LF,
'CT_JOBS={}'.format(str(self.env['nproc'])), LF, 'CT_JOBS={}'.format(str(self.env['nproc'])), LF,
], ],
out_file=os.path.join(build_dir, 'lkmc.log'), out_file=os.path.join(build_dir, self.env['repo_short_id'] + '.log'),
delete_env=['LD_LIBRARY_PATH'], delete_env=['LD_LIBRARY_PATH'],
extra_paths=[self.env['ccache_dir']], extra_paths=[self.env['ccache_dir']],
) )

2
build-linux
View File

@@ -202,7 +202,7 @@ Run `make modules_install` after `make`.
extra_env={ extra_env={
'KBUILD_BUILD_VERSION': '1', 'KBUILD_BUILD_VERSION': '1',
'KBUILD_BUILD_TIMESTAMP': 'Thu Jan 1 00:00:00 UTC 1970', 'KBUILD_BUILD_TIMESTAMP': 'Thu Jan 1 00:00:00 UTC 1970',
'KBUILD_BUILD_USER': 'lkmc', 'KBUILD_BUILD_USER': self.env['repo_short_id'],
'KBUILD_BUILD_HOST': common.git_sha(self.env['linux_source_dir']), 'KBUILD_BUILD_HOST': common.git_sha(self.env['linux_source_dir']),
}, },
**common_args **common_args

10
build-userland
View File

@@ -7,7 +7,7 @@ import threading
from shell_helpers import LF from shell_helpers import LF
import common import common
from thread_pool import ThreadPool import thread_pool
class Main(common.BuildCliFunction): class Main(common.BuildCliFunction):
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
@@ -79,10 +79,10 @@ Default: build all examples that have their package dependencies met, e.g.:
extra_deps=[self.env['common_h']], extra_deps=[self.env['common_h']],
link=False, link=False,
) )
with ThreadPool( with thread_pool.ThreadPool(
self._build_one, self._build_one,
nthreads=self.env['nproc'], nthreads=self.env['nproc'],
) as thread_pool: ) as my_thread_pool:
try: try:
for target in self.env['targets']: for target in self.env['targets']:
for path, in_dirnames, in_filenames in self.sh.walk(target): for path, in_dirnames, in_filenames in self.sh.walk(target):
@@ -91,7 +91,7 @@ Default: build all examples that have their package dependencies met, e.g.:
if not in_ext in self.env['build_in_exts']: if not in_ext in self.env['build_in_exts']:
continue continue
in_path = os.path.join(path, in_filename) in_path = os.path.join(path, in_filename)
error = thread_pool.submit({ error = my_thread_pool.submit({
'in_path': in_path, 'in_path': in_path,
'out_path': self.resolve_userland_executable(in_path), 'out_path': self.resolve_userland_executable(in_path),
'cc_flags': cc_flags, 'cc_flags': cc_flags,
@@ -102,7 +102,7 @@ Default: build all examples that have their package dependencies met, e.g.:
raise common.ExitLoop() raise common.ExitLoop()
except common.ExitLoop: except common.ExitLoop:
pass pass
error = thread_pool.get_error() error = my_thread_pool.get_error()
if error is not None: if error is not None:
print(error) print(error)
return 1 return 1

4
build-userland-in-tree
View File

@@ -3,9 +3,9 @@
import os import os
import subprocess import subprocess
import common import lkmc.import_path
build_userland = common.import_path_relative_root('build-userland') build_userland = lkmc.import_path.import_path_relative_root('build-userland')
class Main(build_userland.Main): class Main(build_userland.Main):
def __init__(self): def __init__(self):

4
cli_function.py
View File

@@ -14,7 +14,7 @@ import collections
import os import os
import sys import sys
import common import lkmc.import_path
class _Argument: class _Argument:
def __init__( def __init__(
@@ -192,7 +192,7 @@ class CliFunction:
if config_file is not None: if config_file is not None:
if os.path.exists(config_file): if os.path.exists(config_file):
config_configs = {} config_configs = {}
config = common.import_path(config_file) config = lkmc.import_path.import_path(config_file)
if self.extra_config_params is None: if self.extra_config_params is None:
config.set_args(config_configs) config.set_args(config_configs)
else: else:

49
common.py
View File

@@ -8,7 +8,6 @@ import datetime
import enum import enum
import functools import functools
import glob import glob
import importlib
import inspect import inspect
import itertools import itertools
import json import json
@@ -64,7 +63,7 @@ consts['userland_subdir'] = 'userland'
consts['userland_source_dir'] = os.path.join(consts['root_dir'], consts['userland_subdir']) consts['userland_source_dir'] = os.path.join(consts['root_dir'], consts['userland_subdir'])
consts['userland_source_arch_dir'] = os.path.join(consts['userland_source_dir'], 'arch') consts['userland_source_arch_dir'] = os.path.join(consts['userland_source_dir'], 'arch')
consts['userland_executable_ext'] = '.out' consts['userland_executable_ext'] = '.out'
consts['include_subdir'] = 'lkmc' consts['include_subdir'] = consts['repo_short_id']
consts['include_source_dir'] = os.path.join(consts['root_dir'], consts['include_subdir']) consts['include_source_dir'] = os.path.join(consts['root_dir'], consts['include_subdir'])
consts['submodules_dir'] = os.path.join(consts['root_dir'], 'submodules') consts['submodules_dir'] = os.path.join(consts['root_dir'], 'submodules')
consts['buildroot_source_dir'] = os.path.join(consts['submodules_dir'], 'buildroot') consts['buildroot_source_dir'] = os.path.join(consts['submodules_dir'], 'buildroot')
@@ -135,32 +134,7 @@ for key in consts['emulator_short_to_long_dict']:
consts['emulator_choices'].add(key) consts['emulator_choices'].add(key)
consts['emulator_choices'].add(consts['emulator_short_to_long_dict'][key]) consts['emulator_choices'].add(consts['emulator_short_to_long_dict'][key])
consts['host_arch'] = platform.processor() consts['host_arch'] = platform.processor()
consts['guest_lkmc_home'] = os.sep + consts['repo_short_id']
def import_path(path):
'''
https://stackoverflow.com/questions/2601047/import-a-python-module-without-the-py-extension
https://stackoverflow.com/questions/31773310/what-does-the-first-argument-of-the-imp-load-source-method-do
'''
module_name = os.path.basename(path).replace('-', '_')
spec = importlib.util.spec_from_loader(
module_name,
importlib.machinery.SourceFileLoader(module_name, path)
)
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
sys.modules[module_name] = module
return module
def import_path_relative_root(basename):
return import_path(os.path.join(consts['root_dir'], basename))
def import_path_main(basename):
'''
Import an object of the Main class of a given file.
By convention, we call the main object of all our CLI scripts as Main.
'''
return import_path_relative_root(basename).Main()
class ExitLoop(Exception): class ExitLoop(Exception):
pass pass
@@ -452,8 +426,8 @@ Use the docker download Ubuntu root filesystem instead of the default Buildroot
) )
self.add_argument( self.add_argument(
'--qemu-which', '--qemu-which',
choices=['lkmc', 'host'], choices=[consts['repo_short_id'], 'host'],
default='lkmc', default=consts['repo_short_id'],
help='''\ help='''\
Which qemu binaries to use: qemu-system-, qemu-, qemu-img, etc.: Which qemu binaries to use: qemu-system-, qemu-, qemu-img, etc.:
- lkmc: the ones we built with ./build-qemu - lkmc: the ones we built with ./build-qemu
@@ -850,7 +824,11 @@ Incompatible archs are skipped.
if env['emulator']== 'gem5': if env['emulator']== 'gem5':
env['userland_quit_cmd'] = './gem5_exit.sh' env['userland_quit_cmd'] = './gem5_exit.sh'
else: else:
env['userland_quit_cmd'] = './poweroff.out' env['userland_quit_cmd'] = join(
env['guest_lkmc_home'],
'linux',
'poweroff' + env['userland_executable_ext']
)
env['ramfs'] = env['initrd'] or env['initramfs'] env['ramfs'] = env['initrd'] or env['initramfs']
if env['ramfs']: if env['ramfs']:
env['initarg'] = 'rdinit' env['initarg'] = 'rdinit'
@@ -874,9 +852,8 @@ Incompatible archs are skipped.
# Overlay. # Overlay.
env['out_rootfs_overlay_dir'] = join(env['out_dir'], 'rootfs_overlay', env['arch']) env['out_rootfs_overlay_dir'] = join(env['out_dir'], 'rootfs_overlay', env['arch'])
env['out_rootfs_overlay_lkmc_dir'] = join(env['out_rootfs_overlay_dir'], 'lkmc') env['out_rootfs_overlay_lkmc_dir'] = join(env['out_rootfs_overlay_dir'], env['repo_short_id'])
env['out_rootfs_overlay_bin_dir'] = join(env['out_rootfs_overlay_lkmc_dir'], 'bin') env['out_rootfs_overlay_bin_dir'] = join(env['out_rootfs_overlay_lkmc_dir'], 'bin')
env['guest_lkmc_home'] = os.sep + 'lkmc'
# Baremetal. # Baremetal.
env['baremetal_source_dir'] = join(env['root_dir'], 'baremetal') env['baremetal_source_dir'] = join(env['root_dir'], 'baremetal')
@@ -893,7 +870,7 @@ Incompatible archs are skipped.
env['baremetal_build_ext'] = '.elf' env['baremetal_build_ext'] = '.elf'
# Userland / baremetal common source. # Userland / baremetal common source.
env['common_basename_noext'] = 'lkmc' env['common_basename_noext'] = env['repo_short_id']
env['common_c'] = common_c = os.path.join( env['common_c'] = common_c = os.path.join(
env['root_dir'], env['root_dir'],
env['common_basename_noext'] + env['c_ext'] env['common_basename_noext'] + env['c_ext']
@@ -1165,8 +1142,6 @@ lunch aosp_{}-eng
if arch in env['arch_short_to_long_dict']: if arch in env['arch_short_to_long_dict']:
arch = env['arch_short_to_long_dict'][arch] arch = env['arch_short_to_long_dict'][arch]
if emulator == 'native': if emulator == 'native':
if env['userland'] is None:
raise Exception('Emulator only supported in user mode: {}'.format(emulator))
if arch != env['host_arch']: if arch != env['host_arch']:
continue continue
if self.is_arch_supported(arch): if self.is_arch_supported(arch):
@@ -1286,6 +1261,8 @@ lunch aosp_{}-eng
If it is out of tree, return the same exact path as input. If it is out of tree, return the same exact path as input.
If the input path is a file, add the executable extension automatically. If the input path is a file, add the executable extension automatically.
Directories map to the directories that would contain executable in that directory.
''' '''
if not self.env['dry_run'] and not os.path.exists(in_path): if not self.env['dry_run'] and not os.path.exists(in_path):
raise Exception('Input path does not exist: ' + in_path) raise Exception('Input path does not exist: ' + in_path)

0
lkmc/__init__.py Normal file
View File

33
lkmc/import_path.py Normal file
View File

@@ -0,0 +1,33 @@
#!/usr/bin/env python3
import importlib
import os
import sys
root_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
def import_path(path):
'''
https://stackoverflow.com/questions/2601047/import-a-python-module-without-the-py-extension
https://stackoverflow.com/questions/31773310/what-does-the-first-argument-of-the-imp-load-source-method-do
'''
module_name = os.path.basename(path).replace('-', '_')
spec = importlib.util.spec_from_loader(
module_name,
importlib.machinery.SourceFileLoader(module_name, path)
)
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
sys.modules[module_name] = module
return module
def import_path_relative_root(basename):
return import_path(os.path.join(root_dir, basename))
def import_path_main(basename):
'''
Import an object of the Main class of a given file.
By convention, we call the main object of all our CLI scripts as Main.
'''
return import_path_relative_root(basename).Main()

2
run
View File

@@ -309,6 +309,8 @@ Extra options to append at the end of the emulator command line.
) )
def timed_main(self): def timed_main(self):
if self.env['emulator'] == 'native' and self.env['userland'] is None:
raise Exception('native emulator only supported in user mode')
show_stdout = self.env['show_stdout'] show_stdout = self.env['show_stdout']
# Common qemu / gem5 logic. # Common qemu / gem5 logic.
# nokaslr: # nokaslr:

3
run-gdb
View File

@@ -6,6 +6,7 @@ import subprocess
import sys import sys
import common import common
import lkmc.import_path
from shell_helpers import LF from shell_helpers import LF
class GdbTestcase: class GdbTestcase:
@@ -33,7 +34,7 @@ class GdbTestcase:
self.child.setecho(False) self.child.setecho(False)
self.child.waitnoecho() self.child.waitnoecho()
self.child.expect(self.prompt) self.child.expect(self.prompt)
test = common.import_path(test_script_path) test = lkmc.import_path.import_path(test_script_path)
exception = None exception = None
try: try:
test.test(self) test.test(self)

3
run-gdb-user
View File

@@ -3,6 +3,7 @@
import os import os
import common import common
import lkmc.import_path
class Main(common.LkmcCliFunction): class Main(common.LkmcCliFunction):
def __init__(self): def __init__(self):
@@ -35,7 +36,7 @@ More information at: https://github.com/cirosantilli/linux-kernel-module-cheat#g
# Also, lx-symbols overrides the add-symbol-file commands. # Also, lx-symbols overrides the add-symbol-file commands.
args['no_lxsymbols'] = True args['no_lxsymbols'] = True
args['break_at'] = self.env['break_at'] args['break_at'] = self.env['break_at']
rungdb = common.import_path_main('run-gdb') rungdb = lkmc.import_path.import_path_main('run-gdb')
return rungdb(**args) return rungdb(**args)
if __name__ == '__main__': if __name__ == '__main__':

14
test
View File

@@ -1,7 +1,7 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import common import common
import shell_helpers import lkmc.import_path
from shell_helpers import LF from shell_helpers import LF
class Main(common.TestCliFunction): class Main(common.TestCliFunction):
@@ -28,15 +28,15 @@ Size of the tests to run. Scale:
run_args = self.get_common_args() run_args = self.get_common_args()
test_boot_args = run_args.copy() test_boot_args = run_args.copy()
test_boot_args['size'] = self.env['size'] test_boot_args['size'] = self.env['size']
self.run_test(common.import_path_main('test-boot'), test_boot_args, 'test-boot') self.run_test(lkmc.import_path.import_path_main('test-boot'), test_boot_args, 'test-boot')
self.run_test(common.import_path_main('test-userland-full-system'), run_args, 'test-userland') self.run_test(lkmc.import_path.import_path_main('test-userland-full-system'), run_args, 'test-userland')
self.run_test(common.import_path_main('test-baremetal'), run_args, 'test-baremetal') self.run_test(lkmc.import_path.import_path_main('test-baremetal'), run_args, 'test-baremetal')
self.run_test(common.import_path_main('test-user-mode'), run_args, 'test-user-mode') self.run_test(lkmc.import_path.import_path_main('test-user-mode'), run_args, 'test-user-mode')
self.run_test(common.import_path_main('test-gdb'), run_args, 'test-gdb') self.run_test(lkmc.import_path.import_path_main('test-gdb'), run_args, 'test-gdb')
if self.env['emulator'] == 'gem5': if self.env['emulator'] == 'gem5':
gem5_unit_test_args = run_args.copy() gem5_unit_test_args = run_args.copy()
gem5_unit_test_args['unit_tests'] = True gem5_unit_test_args['unit_tests'] = True
self.run_test(common.import_path_main('build-gem5'), gem5_unit_test_args, 'gem5-unit-tests') self.run_test(lkmc.import_path.import_path_main('build-gem5'), gem5_unit_test_args, 'gem5-unit-tests')
if __name__ == '__main__': if __name__ == '__main__':
Main().cli() Main().cli()

13
test-baremetal
View File

@@ -4,8 +4,9 @@ import os
import sys import sys
import common import common
import lkmc.import_path
import path_properties import path_properties
from thread_pool import ThreadPool import thread_pool
class Main(common.TestCliFunction): class Main(common.TestCliFunction):
def __init__(self): def __init__(self):
@@ -29,11 +30,11 @@ If given, run only the given tests. Otherwise, run all tests.
def timed_main(self): def timed_main(self):
run_args = self.get_common_args() run_args = self.get_common_args()
rootdir_abs_len = len(self.env['root_dir']) rootdir_abs_len = len(self.env['root_dir'])
with ThreadPool( with thread_pool.ThreadPool(
self.run_test, self.run_test,
nthreads=self.env['nproc'], nthreads=self.env['nproc'],
thread_id_arg='thread_id', thread_id_arg='thread_id',
) as thread_pool: ) as my_thread_pool:
try: try:
for test in self.env['tests']: for test in self.env['tests']:
for path, in_dirnames, in_filenames in self.sh.walk(test): for path, in_dirnames, in_filenames in self.sh.walk(test):
@@ -52,17 +53,17 @@ If given, run only the given tests. Otherwise, run all tests.
test_args = { test_args = {
'expected_exit_status': my_path_properties['exit_status'], 'expected_exit_status': my_path_properties['exit_status'],
'run_args': cur_run_args, 'run_args': cur_run_args,
'run_obj': common.import_path_main('run'), 'run_obj': lkmc.import_path.import_path_main('run'),
'test_id': path_relative_root, 'test_id': path_relative_root,
} }
error = thread_pool.submit(test_args) error = my_thread_pool.submit(test_args)
if error is not None: if error is not None:
if self.env['quit_on_fail']: if self.env['quit_on_fail']:
raise common.ExitLoop() raise common.ExitLoop()
except common.ExitLoop: except common.ExitLoop:
pass pass
error = thread_pool.get_error() error = my_thread_pool.get_error()
if error is not None: if error is not None:
print(error) print(error)
return 1 return 1

3
test-boot
View File

@@ -1,6 +1,7 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import common import common
import lkmc.import_path
import shell_helpers import shell_helpers
from shell_helpers import LF from shell_helpers import LF
@@ -45,7 +46,7 @@ See ./test --help for --size.
#) #)
# #
#rm -f "${self.env['test_boot_benchmark_file']}" #rm -f "${self.env['test_boot_benchmark_file']}"
self.run = common.import_path_main('run') self.run = lkmc.import_path.import_path_main('run')
self.common_args = self.get_common_args() self.common_args = self.get_common_args()
self.common_args['ctrl_c_host'] = True self.common_args['ctrl_c_host'] = True
self.common_args['quit_after_boot'] = True self.common_args['quit_after_boot'] = True

7
test-build-userland
View File

@@ -1,6 +1,6 @@
#!/usr/bin/env bash #!/usr/bin/env bash
# Quick sanity check that userland target resolution works. # https://github.com/cirosantilli/linux-kernel-module-cheat#cli-script-tests
set -eux set -eux
@@ -44,13 +44,12 @@ for in_tree in '' --in-tree; do
! ./build-userland $in_tree "${userland_build_dir}/c/hello.out" ! ./build-userland $in_tree "${userland_build_dir}/c/hello.out"
tmpfile="$(mktemp)" tmpfile="$(mktemp)"
! ./build-userland $in_tree "$tmpfile" ! ./build-userland $in_tree "$tmpfile"
! ./build-userland --clean $in_tree "$tmpfile"
rm "$tmpfile" rm "$tmpfile"
! ./build-userland $in_tree .. ! ./build-userland $in_tree ..
! ./build-userland $in_tree kernel_modules ! ./build-userland $in_tree kernel_modules
! ./build-userland --clean $in_tree userland/does_not_exist
./build-userland --clean $in_tree ./build-userland --clean $in_tree
# Clean is however more forgiving and accepts paths that don't exist.
./build-userland --clean $in_tree userland/does_not_exist
done done
./build-userland-in-tree ./build-userland-in-tree

5
test-gdb
View File

@@ -4,6 +4,7 @@ import threading
import os import os
import common import common
import lkmc.import_path
class Main(common.TestCliFunction): class Main(common.TestCliFunction):
def __init__(self): def __init__(self):
@@ -22,8 +23,8 @@ found by searching for the Python test files.
) )
def timed_main(self): def timed_main(self):
run = common.import_path_main('run') run = lkmc.import_path.import_path_main('run')
run_gdb = common.import_path_main('run-gdb') run_gdb = lkmc.import_path.import_path_main('run-gdb')
if self.env['arch'] in self.env['crosstool_ng_supported_archs']: if self.env['arch'] in self.env['crosstool_ng_supported_archs']:
test_sources = [] test_sources = []
if self.env['tests'] == []: if self.env['tests'] == []:

39
test-test-user-mode Executable file
View File

@@ -0,0 +1,39 @@
#!/usr/bin/env bash
# https://github.com/cirosantilli/linux-kernel-module-cheat#cli-script-tests
set -eux
./build-userland
./build-userland-in-tree
f="$(tempfile)"
./test-user-mode | tee "$f"
grep -E '^PASS .* userland/c/hello' "$f"
grep -E '^PASS .* userland/posix/uname' "$f"
./test-user-mode userland | tee "$f"
grep -E '^PASS .* userland/c/hello' "$f"
grep -E '^PASS .* userland/posix/uname' "$f"
./test-user-mode userland/c | tee "$f"
grep -E '^PASS .* userland/c/hello' "$f"
! grep -E '^PASS .* userland/posix/uname' "$f"
./test-user-mode userland/c/hello.c | tee "$f"
grep -E '^PASS .* userland/c/hello' "$f"
! grep -E '^PASS .* userland/c/false' "$f"
! grep -E '^PASS .* userland/posix/uname' "$f"
./test-user-mode-in-tree | tee "$f"
grep -E '^PASS .* userland/c/hello' "$f"
grep -E '^PASS .* userland/posix/uname' "$f"
cd userland
./test
grep -E '^PASS .* userland/c/hello' "$f"
grep -E '^PASS .* userland/posix/uname' "$f"
cd ..
rm "$f"

15
test-user-mode
View File

@@ -4,8 +4,9 @@ import os
import sys import sys
import common import common
import lkmc.import_path
import path_properties import path_properties
from thread_pool import ThreadPool import thread_pool
class Main(common.TestCliFunction): class Main(common.TestCliFunction):
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
@@ -16,8 +17,6 @@ TODO: expose all userland relevant ./run args here as well somehow.
''' '''
if not 'defaults' in kwargs: if not 'defaults' in kwargs:
kwargs['defaults'] = {} kwargs['defaults'] = {}
if not 'userland' in kwargs['defaults']:
kwargs['defaults']['userland'] = ''
super().__init__(*args, **kwargs) super().__init__(*args, **kwargs)
self.add_argument( self.add_argument(
'tests', 'tests',
@@ -39,11 +38,11 @@ If given, run only the given tests. Otherwise, run all tests.
run_args['userland_build_id'] = 'static' run_args['userland_build_id'] = 'static'
had_failure = False had_failure = False
rootdir_abs_len = len(self.env['root_dir']) rootdir_abs_len = len(self.env['root_dir'])
with ThreadPool( with thread_pool.ThreadPool(
self.run_test, self.run_test,
nthreads=self.env['nproc'], nthreads=self.env['nproc'],
thread_id_arg='thread_id', thread_id_arg='thread_id',
) as thread_pool: ) as my_thread_pool:
try: try:
for test in self.env['tests']: for test in self.env['tests']:
for path, in_dirnames, in_filenames in self.sh.walk(test): for path, in_dirnames, in_filenames in self.sh.walk(test):
@@ -62,18 +61,18 @@ If given, run only the given tests. Otherwise, run all tests.
run_test_args = { run_test_args = {
'expected_exit_status': my_path_properties['exit_status'], 'expected_exit_status': my_path_properties['exit_status'],
'run_args': cur_run_args, 'run_args': cur_run_args,
'run_obj': common.import_path_main('run'), 'run_obj': lkmc.import_path.import_path_main('run'),
'test_id': path_relative_root, 'test_id': path_relative_root,
} }
if my_path_properties['receives_signal']: if my_path_properties['receives_signal']:
run_test_args['expected_exit_status'] = 128 - my_path_properties['exit_status'] run_test_args['expected_exit_status'] = 128 - my_path_properties['exit_status']
error = thread_pool.submit(run_test_args) error = my_thread_pool.submit(run_test_args)
if error is not None: if error is not None:
if self.env['quit_on_fail']: if self.env['quit_on_fail']:
raise common.ExitLoop() raise common.ExitLoop()
except common.ExitLoop: except common.ExitLoop:
pass pass
error = thread_pool.get_error() error = my_thread_pool.get_error()
if error is not None: if error is not None:
print(error) print(error)
return 1 return 1

4
test-user-mode-in-tree
View File

@@ -1,8 +1,8 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import common import lkmc.import_path
test_user_mode = common.import_path_relative_root('test-user-mode') test_user_mode = lkmc.import_path.import_path_relative_root('test-user-mode')
class Main(test_user_mode.Main): class Main(test_user_mode.Main):
def __init__(self): def __init__(self):

4
test-userland-full-system
View File

@@ -1,9 +1,9 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import os import os
import sys
import common import common
import lkmc.import_path
class Main(common.TestCliFunction): class Main(common.TestCliFunction):
def __init__(self): def __init__(self):
@@ -13,7 +13,7 @@ https://github.com/cirosantilli/linux-kernel-module-cheat#test-userland-in-full-
''' '''
) )
def timed_main(self): def timed_main(self):
run = common.import_path_main('run') run = lkmc.import_path.import_path_main('run')
run_args = self.get_common_args() run_args = self.get_common_args()
run_args['eval_after'] = './test_all.sh;{};'.format(self.env['userland_quit_cmd']) run_args['eval_after'] = './test_all.sh;{};'.format(self.env['userland_quit_cmd'])
self.run_test(run, run_args) self.run_test(run, run_args)

7
trace-boot
View File

@@ -1,7 +1,8 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import common
from shell_helpers import LF from shell_helpers import LF
import common
import lkmc.import_path
class Main(common.LkmcCliFunction): class Main(common.LkmcCliFunction):
def __init__(self): def __init__(self):
@@ -14,7 +15,7 @@ More information at: https://github.com/cirosantilli/linux-kernel-module-cheat#t
def timed_main(self): def timed_main(self):
args = self.get_common_args() args = self.get_common_args()
run = common.import_path_main('run') run = lkmc.import_path.import_path_main('run')
if self.env['emulator'] == 'gem5': if self.env['emulator'] == 'gem5':
args['trace'] = 'Exec,-ExecSymbol,-ExecMicro' args['trace'] = 'Exec,-ExecSymbol,-ExecMicro'
run(**args) run(**args)
@@ -23,7 +24,7 @@ More information at: https://github.com/cirosantilli/linux-kernel-module-cheat#t
run_args['trace'] = 'exec_tb' run_args['trace'] = 'exec_tb'
run_args['quit_after_boot'] = True run_args['quit_after_boot'] = True
run(**run_args) run(**run_args)
qemu_trace2txt = common.import_path_main('qemu-trace2txt') qemu_trace2txt = lkmc.import_path.import_path_main('qemu-trace2txt')
qemu_trace2txt(**args) qemu_trace2txt(**args)
# Instruction count. # Instruction count.
# We could put this on a separate script, but it just adds more arch boilerplate to a new script. # We could put this on a separate script, but it just adds more arch boilerplate to a new script.

1
trace2line
View File

@@ -10,6 +10,7 @@ now...
import os import os
import common import common
import lkmc.import_path
from shell_helpers import LF from shell_helpers import LF
class Main(common.LkmcCliFunction): class Main(common.LkmcCliFunction):

5
userland/arch/x86_64/addpd.S
View File

@@ -7,10 +7,7 @@
ENTRY ENTRY
.bss .bss
output: .skip 16 output: .skip 16
#define t
.data .data
addps_input0: .float 1.5, 2.5, 3.5, 4.5 addps_input0: .float 1.5, 2.5, 3.5, 4.5
addps_input1: .float 5.5, 6.5, 7.5, 8.5 addps_input1: .float 5.5, 6.5, 7.5, 8.5