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-rw-r--r--tools/testing/kunit/kunit_kernel.py76
1 files changed, 54 insertions, 22 deletions
diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py
index e20e2056cb38..2e3cc0fac726 100644
--- a/tools/testing/kunit/kunit_kernel.py
+++ b/tools/testing/kunit/kunit_kernel.py
@@ -6,10 +6,10 @@
# Author: Felix Guo <felixguoxiuping@gmail.com>
# Author: Brendan Higgins <brendanhiggins@google.com>
-
import logging
import subprocess
import os
+import shutil
import signal
from contextlib import ExitStack
@@ -18,8 +18,10 @@ import kunit_config
import kunit_parser
KCONFIG_PATH = '.config'
-kunitconfig_path = '.kunitconfig'
+KUNITCONFIG_PATH = '.kunitconfig'
+DEFAULT_KUNITCONFIG_PATH = 'arch/um/configs/kunit_defconfig'
BROKEN_ALLCONFIG_PATH = 'tools/testing/kunit/configs/broken_on_uml.config'
+OUTFILE_PATH = 'test.log'
class ConfigError(Exception):
"""Represents an error trying to configure the Linux kernel."""
@@ -36,9 +38,9 @@ class LinuxSourceTreeOperations(object):
try:
subprocess.check_output(['make', 'mrproper'], stderr=subprocess.STDOUT)
except OSError as e:
- raise ConfigError('Could not call make command: ' + e)
+ raise ConfigError('Could not call make command: ' + str(e))
except subprocess.CalledProcessError as e:
- raise ConfigError(e.output)
+ raise ConfigError(e.output.decode())
def make_olddefconfig(self, build_dir, make_options):
command = ['make', 'ARCH=um', 'olddefconfig']
@@ -49,22 +51,27 @@ class LinuxSourceTreeOperations(object):
try:
subprocess.check_output(command, stderr=subprocess.STDOUT)
except OSError as e:
- raise ConfigError('Could not call make command: ' + e)
+ raise ConfigError('Could not call make command: ' + str(e))
except subprocess.CalledProcessError as e:
- raise ConfigError(e.output)
+ raise ConfigError(e.output.decode())
- def make_allyesconfig(self):
+ def make_allyesconfig(self, build_dir, make_options):
kunit_parser.print_with_timestamp(
'Enabling all CONFIGs for UML...')
+ command = ['make', 'ARCH=um', 'allyesconfig']
+ if make_options:
+ command.extend(make_options)
+ if build_dir:
+ command += ['O=' + build_dir]
process = subprocess.Popen(
- ['make', 'ARCH=um', 'allyesconfig'],
+ command,
stdout=subprocess.DEVNULL,
stderr=subprocess.STDOUT)
process.wait()
kunit_parser.print_with_timestamp(
'Disabling broken configs to run KUnit tests...')
with ExitStack() as es:
- config = open(KCONFIG_PATH, 'a')
+ config = open(get_kconfig_path(build_dir), 'a')
disable = open(BROKEN_ALLCONFIG_PATH, 'r').read()
config.write(disable)
kunit_parser.print_with_timestamp(
@@ -77,36 +84,51 @@ class LinuxSourceTreeOperations(object):
if build_dir:
command += ['O=' + build_dir]
try:
- subprocess.check_output(command, stderr=subprocess.STDOUT)
+ proc = subprocess.Popen(command,
+ stderr=subprocess.PIPE,
+ stdout=subprocess.DEVNULL)
except OSError as e:
- raise BuildError('Could not call execute make: ' + e)
- except subprocess.CalledProcessError as e:
- raise BuildError(e.output)
-
- def linux_bin(self, params, timeout, build_dir, outfile):
+ raise BuildError('Could not call make command: ' + str(e))
+ _, stderr = proc.communicate()
+ if proc.returncode != 0:
+ raise BuildError(stderr.decode())
+ if stderr: # likely only due to build warnings
+ print(stderr.decode())
+
+ def linux_bin(self, params, timeout, build_dir):
"""Runs the Linux UML binary. Must be named 'linux'."""
linux_bin = './linux'
if build_dir:
linux_bin = os.path.join(build_dir, 'linux')
+ outfile = get_outfile_path(build_dir)
with open(outfile, 'w') as output:
process = subprocess.Popen([linux_bin] + params,
stdout=output,
stderr=subprocess.STDOUT)
process.wait(timeout)
-
def get_kconfig_path(build_dir):
kconfig_path = KCONFIG_PATH
if build_dir:
kconfig_path = os.path.join(build_dir, KCONFIG_PATH)
return kconfig_path
+def get_kunitconfig_path(build_dir):
+ kunitconfig_path = KUNITCONFIG_PATH
+ if build_dir:
+ kunitconfig_path = os.path.join(build_dir, KUNITCONFIG_PATH)
+ return kunitconfig_path
+
+def get_outfile_path(build_dir):
+ outfile_path = OUTFILE_PATH
+ if build_dir:
+ outfile_path = os.path.join(build_dir, OUTFILE_PATH)
+ return outfile_path
+
class LinuxSourceTree(object):
"""Represents a Linux kernel source tree with KUnit tests."""
def __init__(self):
- self._kconfig = kunit_config.Kconfig()
- self._kconfig.read_from_file(kunitconfig_path)
self._ops = LinuxSourceTreeOperations()
signal.signal(signal.SIGINT, self.signal_handler)
@@ -118,6 +140,16 @@ class LinuxSourceTree(object):
return False
return True
+ def create_kunitconfig(self, build_dir, defconfig=DEFAULT_KUNITCONFIG_PATH):
+ kunitconfig_path = get_kunitconfig_path(build_dir)
+ if not os.path.exists(kunitconfig_path):
+ shutil.copyfile(defconfig, kunitconfig_path)
+
+ def read_kunitconfig(self, build_dir):
+ kunitconfig_path = get_kunitconfig_path(build_dir)
+ self._kconfig = kunit_config.Kconfig()
+ self._kconfig.read_from_file(kunitconfig_path)
+
def validate_config(self, build_dir):
kconfig_path = get_kconfig_path(build_dir)
validated_kconfig = kunit_config.Kconfig()
@@ -161,9 +193,9 @@ class LinuxSourceTree(object):
return self.build_config(build_dir, make_options)
def build_um_kernel(self, alltests, jobs, build_dir, make_options):
- if alltests:
- self._ops.make_allyesconfig()
try:
+ if alltests:
+ self._ops.make_allyesconfig(build_dir, make_options)
self._ops.make_olddefconfig(build_dir, make_options)
self._ops.make(jobs, build_dir, make_options)
except (ConfigError, BuildError) as e:
@@ -173,8 +205,8 @@ class LinuxSourceTree(object):
def run_kernel(self, args=[], build_dir='', timeout=None):
args.extend(['mem=1G'])
- outfile = 'test.log'
- self._ops.linux_bin(args, timeout, build_dir, outfile)
+ self._ops.linux_bin(args, timeout, build_dir)
+ outfile = get_outfile_path(build_dir)
subprocess.call(['stty', 'sane'])
with open(outfile, 'r') as file:
for line in file: