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Fri, 26 Jun 2020 14:09:42 -0700 (PDT) Date: Fri, 26 Jun 2020 14:09:15 -0700 In-Reply-To: <20200626210917.358969-1-brendanhiggins@google.com> Message-Id: <20200626210917.358969-11-brendanhiggins@google.com> Mime-Version: 1.0 References: <20200626210917.358969-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH v5 10/12] kunit: Add 'kunit_shutdown' option From: Brendan Higgins To: jdike@addtoit.com, richard@nod.at, anton.ivanov@cambridgegreys.com, arnd@arndb.de, keescook@chromium.org, skhan@linuxfoundation.org, alan.maguire@oracle.com, yzaikin@google.com, davidgow@google.com, akpm@linux-foundation.org, rppt@linux.ibm.com, frowand.list@gmail.com, catalin.marinas@arm.com, will@kernel.org, monstr@monstr.eu, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, chris@zankel.net, jcmvbkbc@gmail.com Content-Type: text/plain; charset="UTF-8" X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-doc@vger.kernel.org, sboyd@kernel.org, gregkh@linuxfoundation.org, linuxppc-dev@lists.ozlabs.org, linux-um@lists.infradead.org, linux-kernel@vger.kernel.org, Brendan Higgins , mcgrof@kernel.org, linux-kselftest@vger.kernel.org, logang@deltatee.com, linux-arm-kernel@lists.infradead.org, kunit-dev@googlegroups.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: David Gow 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 Signed-off-by: Brendan Higgins Reviewed-by: Stephen Boyd --- 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 a95742a4ece73..38061d456afb2 100644 --- a/lib/kunit/executor.c +++ b/lib/kunit/executor.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include /* @@ -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; @@ -37,6 +55,8 @@ int kunit_run_all_tests(void) suites++) __kunit_test_suites_init(*suites); + kunit_handle_shutdown(); + return 0; } diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py index 63dbda2d029f6..d6a575f92317c 100644 --- a/tools/testing/kunit/kunit_kernel.py +++ b/tools/testing/kunit/kunit_kernel.py @@ -172,7 +172,7 @@ class LinuxSourceTree(object): return self.validate_config(build_dir) def run_kernel(self, args=[], build_dir='', timeout=None): - args.extend(['mem=1G']) + args.extend(['mem=1G', 'kunit_shutdown=halt']) outfile = 'test.log' self._ops.linux_bin(args, timeout, build_dir, outfile) subprocess.call(['stty', 'sane']) diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py index 6d6d94a0ee7db..a8998a5effaad 100644 --- a/tools/testing/kunit/kunit_parser.py +++ b/tools/testing/kunit/kunit_parser.py @@ -49,7 +49,7 @@ class TestStatus(Enum): kunit_start_re = re.compile(r'TAP version [0-9]+$') kunit_end_re = re.compile('(List of all partitions:|' - 'Kernel panic - not syncing: VFS:)') + 'Kernel panic - not syncing: VFS:|reboot: System halted)') def isolate_kunit_output(kernel_output): started = False -- 2.27.0.212.ge8ba1cc988-goog