[PATCH v3 6/7] kunit: Add 'kunit_shutdown' option
From: Brendan Higgins <hidden>
Date: 2020-02-28 01:21:22
Also in:
linux-doc, linux-kselftest, linux-um, lkml
Subsystem:
kernel unit testing framework (kunit), library code, the rest · Maintainers:
Brendan Higgins, David Gow, Andrew Morton, Linus Torvalds
From: David Gow <redacted> Add a new kernel command-line option, 'kunit_shutdown', which allows the user to specify that the kernel poweroff, halt, or reboot after completing all KUnit tests; this is very handy for running KUnit tests on UML or a VM so that the UML/VM process exits cleanly immediately after running all tests without needing a special initramfs. Signed-off-by: David Gow <redacted> Signed-off-by: Brendan Higgins <redacted> Reviewed-by: Stephen Boyd <sboyd@kernel.org> --- lib/kunit/executor.c | 20 ++++++++++++++++++++ tools/testing/kunit/kunit_kernel.py | 2 +- tools/testing/kunit/kunit_parser.py | 2 +- 3 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c
index 7fd16feff157e..a93821116ccec 100644
--- a/lib/kunit/executor.c
+++ b/lib/kunit/executor.c@@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#include <linux/reboot.h> #include <kunit/test.h> /*
@@ -11,6 +12,23 @@ extern struct kunit_suite * const * const __kunit_suites_end[]; #if IS_BUILTIN(CONFIG_KUNIT) +static char *kunit_shutdown; +core_param(kunit_shutdown, kunit_shutdown, charp, 0644); + +static void kunit_handle_shutdown(void) +{ + if (!kunit_shutdown) + return; + + if (!strcmp(kunit_shutdown, "poweroff")) + kernel_power_off(); + else if (!strcmp(kunit_shutdown, "halt")) + kernel_halt(); + else if (!strcmp(kunit_shutdown, "reboot")) + kernel_restart(NULL); + +} + static void kunit_print_tap_header(void) { struct kunit_suite * const * const *suites, * const *subsuite;
@@ -42,6 +60,8 @@ int kunit_run_all_tests(void) } } + kunit_handle_shutdown(); + if (has_test_failed) return -EFAULT;
diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py
index d99ae75ef72fa..6cf0697c788b6 100644
--- a/tools/testing/kunit/kunit_kernel.py
+++ b/tools/testing/kunit/kunit_kernel.py@@ -145,7 +145,7 @@ class LinuxSourceTree(object): return self.validate_config(build_dir) def run_kernel(self, args=[], timeout=None, build_dir=''): - args.extend(['mem=256M']) + args.extend(['mem=256M', 'kunit_shutdown=halt']) process = self._ops.linux_bin(args, timeout, build_dir) with open(os.path.join(build_dir, 'test.log'), 'w') as f: for line in process.stdout:
diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
index 78b3bdd03b1e4..633811dd9bce8 100644
--- a/tools/testing/kunit/kunit_parser.py
+++ b/tools/testing/kunit/kunit_parser.py@@ -48,7 +48,7 @@ class TestStatus(Enum): FAILURE_TO_PARSE_TESTS = auto() kunit_start_re = re.compile(r'^TAP version [0-9]+$') -kunit_end_re = re.compile('List of all partitions:') +kunit_end_re = re.compile(r'reboot: System halted') def isolate_kunit_output(kernel_output): started = False
--
2.25.1.481.gfbce0eb801-goog