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To simplify and speed up running interruptible tests, use a custom
ioctl() function that control the signaling and detect when we need no
more iterations to trigger an interruption.
We use a realtime timer to inject the signal after a certain delay,
increasing the delay on every loop to try and exercise different code
paths within the function. The first delay is very short such that we
hopefully enter the kernel with a pending signal.
Clients should use
struct igt_sigiter iter = {};
while (igt_sigiter_repeat(&iter, enable_interrupts=true))
do_test()
to automatically repeat the test until we can inject no more signals
into the ioctls. This is condensed into a macro
igt_interruptible(enable_interrupts=true)
do_test();
for convenience.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Looks tidy again, and doesn't break igt assumptions.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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This patch adds ioctl-errors subtest to be used for exercising prime sync ioctl
errors.
The subtest constantly interrupts via signals a function doing concurrent blit
to stress out the right usage of prime_sync_*, making sure these ioctl errors
are handled accordingly. Important to note that in case of failure (e.g. in a
case where the ioctl wouldn't try again in a return error) this test does not
reliably catch the problem with 100% of accuracy.
v2: fix prime sync direction when reading mmap'ed file.
v3: change the upper bound using time rather than loops
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com>
[ickle: fix memleak, run for longer]
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Searching for coherency problems that may arise with
smaller-then-cache/large-then-cache objects.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Now that we started packaging all parameters in one handy struct, pass
them everywhere. This allows us to pass along requirements so that we
can perform the checks inside each indvidual subtest and so not anger
the igt gods.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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For the long running tests probing error conditions, throwing in the
signal interruptions is a good idea.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Exclude the symbolic "default" engine from the interengine sync testing,
and move it onto the standalone testing.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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fprintf() returns a negative value on error. Fix the assert
to catch that.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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The latest version of the inject_load_failure module option expects the
number of the checkpoint where the failure should be injected, so adjust
the test accordingly.
Signed-off-by: Imre Deak <imre.deak@intel.com>
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With large apertures we need to use uint64_t for
counts and sizes. commit 0e2071411a4d4e1488a821daf522dffde2809e03
paved way for this but forgot to change the subtest parameters.
v2: Pass correctly to the copy() also (Chris)
References: https://bugs.freedesktop.org/show_bug.cgi?id=93849
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Certain kernels/gen like to move execbuf around for relocations,
disrupting our prewritten batches. Be more careful and try and keep the
relocation/execobjects accurate.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94537
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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After loading the module with load failure injection enabled don't try
check the alive state. Also limit the number of failure points to
existing ones, to reduce the run time of the test.
v2:
- make VT binding/snd module loading part of reload and VT bind fail
silently (Chris)
Signed-off-by: Imre Deak <imre.deak@intel.com>
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For basic, since CI doesn't hit the same hard lockup on Braswell that is
possible without hpet, stop running for so long!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Not as stressful as testing inter-ring synchronisation, but it does
allow inspecting the simpler testcases if need be.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Supersedes gem_dummy_reloc_loop.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Fix the engine selection to exercise all possible rings and in doing so
completely obsoletes gem_multi_bsd_sync_loop.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The goal is to test interengine synchronisation so remove any likelihood
that we introduce synchronisation for performing relocations.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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An idea for testing failure paths along module load is to use a parameter
to perform fault injection. This rudimentary framework should get us
started.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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We don't preserve the execobj.offset nor set the right values into the
batches between iterations.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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A more complicated store variant to stress inter-engine dependencies
(i.e. semaphores and sync). We write a control value from one batch into
the next and then execute it. This is repeated a few times with each
execution happening on a different engine (so the kernel has to
serialise operations between engines) until we finally write the value
out into our scratch buffer where we can check the result, just like a
Chinese whisper.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Only if the trial __gem_execbuf reports an error do we want to remove
the fancy LUT flags.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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gem_reloc_overflow.c: In function ‘__real_main365’:
gem_reloc_overflow.c:384:3: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 6 has type ‘size_t’ [-Wformat=]
igt_require_f(mlock(reloc, reloc_size) == 0,
^
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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gem_concurrent_all.c: In function ‘__real_main1556’:
gem_concurrent_all.c:1642:4: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 4 has type ‘uint64_t’ [-Wformat=]
igt_debug("Pinning %ld MiB\n", pin_sz);
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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drv_hangman.c: In function ‘hangcheck_unterminated’:
drv_hangman.c:290:27: warning: integer overflow in expression [-Woverflow]
int64_t timeout_ns = 100 * NSEC_PER_SEC; /* 100 seconds */
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Ignore the default ring as that is purely symbolic. On BSD2 systems it
is similarly useful to ignore the symbolic BSD ring.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Boom when running with --list on non-intel machines or as non-root.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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A very simple, the simplest!, batch that can execution on any known
engine that just writes a value into memory.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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For a background task the fork helpers are more appropriate, since we
can explicitly cancel children. Also, anything that does real work is
supposed to be in fixtures.
Cc: Tiago Vignatti <tiago.vignatti@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
--
Tiago, can you pls check that I haven't broken anythig?
Thanks, Daniel
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Demonstrate how trivial it is to lockup Braswell, at least my N3050 nuc,
by saturating the interrupt handler with a few requests.
References: https://bugs.freedesktop.org/show_bug.cgi?id=93467
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Keep an eye on domain tracking for both cached/uncached objects across
suspend.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Check that the system operates normally before and after the suspend (as
well as across the suspend). The goal is to isolate the breakage to the
subtest.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The execbuffer2 ABI is not strictly limited to a total of UINT32_MAX
entries, rather each object can have a maximum of UINT32_MAX relocation
entries and the current implementation imposes that the total must be
allocable in a contiguous buffer when necessary (i.e as large as the
kernel can conceivably allocate). This is not an ABI constraint per-se,
just an implementation issue.
Whilst updating the limits for 64bit kernels, review usable of
ioctl-wrappers (i.e. use __gem_execbuf now available) and include a
batch of more tests to explore the boundary conditions of the maximum
relocation size. Note that rather than guess the reloc-max, it would be
better if we queried it. Also it is of vital importance that when
constructing a test to fail in a particular fashion, it must not include
any other error (e.g. we were passing in relocation arrays with invalid
target handle and domains when looking for a potential overflow across
multiple objects).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The transition to PCI device state D3 is not instantaneous and only
started when runtime suspended. Allow the driver/hardware a little bit
of time to complete the transition before declaring a test failure.
References: https://bugs.freedesktop.org/show_bug.cgi?id=93123
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Now that engines keep references on the last executed contexts,
to fix this test we need to execute an unrelated context last to
ensure the one we are interested in is free to be cleaned up when
we expect it to be.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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kms_setmode.c:384:30: warning: declaration of ‘drm_fd’ shadows a global
declaration [-Wshadow]
kms_setmode.c:45:12: note: shadowed declaration is here static int drm_fd;
kms_setmode.c:391:38: warning: passing argument 8 of ‘drmModeSetCrtc’
discards ‘const’ qualifier from pointer target type
[-Wdiscarded-qualifiers] ids, crtc->connector_count, &crtc->mode);
Signed-off-by: Marius Vlad <marius.c.vlad@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Excercise connector stealing harder. There is a border case in atomic currently where
encoder stealing is not prevented on the same crtc when the encoder is not reassigned.
The following testcase excercises that path and causes a OOPS on my system with nightly.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The test used to assume pipe A was being used for everything, and we
tried to fix this in commit "tests: fix CRTC assignment for a few
tests", but the pipe CRC code was forgotten.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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Use the pipe which is given from the possible_crcs for that connected port
instead.
On BSW there are constrains for the crtc<-->connector, this fix make this test
passing on BSW.
v2 (from Paulo): bikeshed the blank lines.
Signed-off-by: Gabriel Feceoru <gabriel.feceoru@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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Let's be good citizens and properly handle our garbage.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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All the tests I wrote always assumed that every connector supported
CRTC 0. This is not the case for BSW and possibly others, so fix the
tests before the CI reports more failures.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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Instead of just giving preference to an eDP primary connector, give
preference to one that's eDP and supports pipe A, then try lesser
optimal combinations later.
We could try to make our test suite use different sets of connectors
when testing FBC and PSR, but that would require some rework, and we
would still be helpless when testing the combination of FBC+PSR.
Also notice that we still hardcode pipe A for the primary connector,
regardless of whether it supports it. This will be solved in the next
commits.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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We're going to make our search for connnectors a little more
complicated, so extract the function since we're going to call it a
few more times.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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We already pass the crtc id, so use the id to retrieve the index.
We'll change the way we pass the crtc id in the next commits, so we'll
have to call a function to calculate the index based on the id at that
point. Do the change now in order to avoid big commits later.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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Move it from pm_rpm.c to lib/igt_kms and remove the hardcoded version
from kms_frontbuffer_tracking. I'm also planning to add other callers.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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