[Intel-gfx] [PATCH i-g-t] tests/meta_test: Add a meta test for sanity checks of CI systems
Lofstedt, Marta
marta.lofstedt at intel.com
Wed Apr 19 10:09:52 UTC 2017
> -----Original Message-----
> From: Latvala, Petri
> Sent: Wednesday, April 19, 2017 12:08 PM
> To: Lofstedt, Marta <marta.lofstedt at intel.com>
> Cc: intel-gfx at lists.freedesktop.org
> Subject: Re: [PATCH i-g-t] tests/meta_test: Add a meta test for sanity checks
> of CI systems
>
> On Wed, Apr 05, 2017 at 01:11:53PM +0300, Marta Lofstedt wrote:
> > The intention of this test is use it to test that the CI system that
> > runs IGT is collecting the results correctly.
> >
> > For: VIZ-10281
> >
> > Signed-off-by: Marta Lofstedt <marta.lofstedt at intel.com>
> > ---
> > tests/Makefile.sources | 1 +
> > tests/intel-ci/meta.testlist | 7 +++
> > tests/meta_test.c | 145
> +++++++++++++++++++++++++++++++++++++++++++
> > 3 files changed, 153 insertions(+)
> > create mode 100644 tests/intel-ci/meta.testlist create mode 100644
> > tests/meta_test.c
> >
> > diff --git a/tests/Makefile.sources b/tests/Makefile.sources index
> > 45c21a0..7fa9b8f 100644
> > --- a/tests/Makefile.sources
> > +++ b/tests/Makefile.sources
> > @@ -143,6 +143,7 @@ TESTS_progs_M = \
> > template \
> > vgem_basic \
> > vgem_slow \
> > + meta_test \
> > $(NULL)
> >
> > if HAVE_CHAMELIUM
> > diff --git a/tests/intel-ci/meta.testlist
> > b/tests/intel-ci/meta.testlist new file mode 100644 index
> > 0000000..b3e2923
> > --- /dev/null
> > +++ b/tests/intel-ci/meta.testlist
> > @@ -0,0 +1,7 @@
> > +igt at meta_test@pass-result
> > +igt at meta_test@fail-result
> > +igt at meta_test@dmesg-pass
> > +igt at meta_test@dmesg-warn
> > +igt at meta_test@user-crash
> > +igt at meta_test@piglit-timeout
> > +igt at meta_test@generate-panic
> > diff --git a/tests/meta_test.c b/tests/meta_test.c new file mode
> > 100644 index 0000000..8a420ba
> > --- /dev/null
> > +++ b/tests/meta_test.c
> > @@ -0,0 +1,145 @@
> > +/*
> > + * Copyright (c) 2017 Intel Corporation
> > + *
> > + * Permission is hereby granted, free of charge, to any person
> > +obtaining a
> > + * copy of this software and associated documentation files (the
> > +"Software"),
> > + * to deal in the Software without restriction, including without
> > +limitation
> > + * the rights to use, copy, modify, merge, publish, distribute,
> > +sublicense,
> > + * and/or sell copies of the Software, and to permit persons to whom
> > +the
> > + * Software is furnished to do so, subject to the following conditions:
> > + *
> > + * The above copyright notice and this permission notice (including
> > +the next
> > + * paragraph) shall be included in all copies or substantial portions
> > +of the
> > + * Software.
> > + *
> > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
> KIND,
> > +EXPRESS OR
> > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> > +MERCHANTABILITY,
> > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
> NO EVENT
> > +SHALL
> > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
> DAMAGES
> > +OR OTHER
> > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
> OTHERWISE,
> > +ARISING
> > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
> OR
> > +OTHER DEALINGS
> > + * IN THE SOFTWARE.
> > + *
> > + */
> > +
> > +#include <stdlib.h>
> > +#include <signal.h>
> > +#include "igt.h"
> > +
> > +/*
> > + * The purpose of this test is to test the CI system that we have
> > + * for running the tests. The test should generate all possible
> > + * exit states for igt tests.
> > + *
> > + * Possible exit-states of igt tests:
> > + * 1. pass - subtest: pass-result
> > + * 2. fail - subtest: fail-result
> > + * 3. dmesg warn - subtest: dmesg-fail,
> > + * subtest: dmesg-pass is a sanity check for the dmesg-fail.
>
>
> Add some further explanation here about the purpose and why the test
> does what it does: The purpose is to check that certain kernel log activity gets
> correctly reported in the test result, and that normal activity doesn't?
>
>
> > + * 4. crash - subtest: user-crash
> > + * 5. piglit timeout - subtest: piglit-timeout
> > + * 6. incomplete - subtest: generate-panic
> > + * NOTE: inorder for this to generate the incomplete state
> > + * the kernel must be configured to reboot on panic.
> > + * NOTE: if the tested CI system have features such as
> > + * PSTORE and/or kexec/kdump enabled. This test could be
> > + * used to make sure that the CI system stores the generated
> > + * log/dumps as expected.
> > + * 7. incomplete - where user hang is not caught by piglit timeout.
> > + * This would be caught by a user-side softdog daemon,
> > + * such as owatch by ezbench. However, I don't know
> > + * how to trigger this state, so it will not be tested.
> > + * 8. incomplete - system requires hard reboot :
> > + * This state could be triggered by calling an evil kernel
> > + * module that was developed hang the system. Such
> > + * a module will not be developed for this purpose,
> > + * so this "exit state" will not be tested.
> > + *
> > + * TODO: If this test was deployed on a CI system that
> > + * was able to pick up testing again after reboot,
> > + * such as ezbench, a post-analyze test should be added
> > + * that collected and analyzed the result of the tests
> > + * run before reboot.
> > + */
> > +
> > +__attribute__((format(printf, 1, 2))) static void kmsg(const char
> > +*format, ...) #define KERN_EMER"<0>"
> > +#define KERN_ALERT"<1>"
> > +#define KERN_CRIT"<2>"
> > +#define KERN_ERR"<3>"
> > +#define KERN_WARNING"<4>"
> > +#define KERN_NOTICE"<5>"
> > +#define KERN_INFO"<6>"
> > +#define KERN_DEBUG"<7>"
> > +{
>
>
> This is valid C and does what you mean, but can you add some whitespace
> between the token and the value anyway? :P
>
>
>
>
>
>
>
> > + va_list ap;
> > + FILE *file;
> > +
> > + file = fopen("/dev/kmsg", "w");
> > + if (file == NULL)
> > + return;
> > +
> > + va_start(ap, format);
> > + vfprintf(file, format, ap);
> > + va_end(ap);
> > + fclose(file);
> > +}
> > +
> > +static void test_result(bool result)
> > +{
> > + igt_assert_eq(result, true);
> > +}
> > +
> > +static void test_dmesg(bool pass)
> > +{
> > + if (pass)
> > + kmsg(KERN_DEBUG "drm: IGT inserted string.");
> > + else
> > + kmsg(KERN_WARNING "drm: IGT inserted
> string."); }
> > +
> > +static void test_user_crash(void)
> > +{
> > + raise(SIGSEGV);
> > +}
> > +
> > +static void test_piglit_timeout(void) {
> > + sleep(605);
> > +}
> > +
> > +static void test_panic(void)
> > +{
> > + system("echo c > /proc/sysrq-trigger"); }
> > +
> > +igt_main
> > +{
> > +
> > + igt_fixture {
> > + igt_skip_on_f(!getenv("IGT_CI_META_TEST"),
> > + "Only for meta-testing of CI
> systems");
>
>
> Add a newline here.
>
>
>
>
>
> With those,
>
> Reviewed-by: Petri Latvala <petri.latvala at intel.com>
Thanks Petri, V2 is up.
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