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This patch adds a context creation ioctl wrapper that returns the error
for the caller to consume. Multiple tests that implemented this already,
have been changed to use the new library function.
v2:
- Add gem_require_contexts() to check for contexts support (Chris)
v3:
- Add gem_has_contexts to check for contexts support and change
gem_require_contexts to skip if contests support is not available.
(Chris)
v4:
- Cosmetic changes and use lib function in gem_ctx_create where
possible. (Michal)
v5:
- Use gem_contexts_require() in tests and fixtures. (Chris)
Signed-off-by: Antonio Argenziano <antonio.argenziano@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Since I accidentally broke the build for some, by putting the pretty
printer for submission inside ifdef HAVE_PROCPS, it's time to move the
whole thing into lib/i915 while fixing this mistake.
Let's also rename the pretty printer and add a doc to it as well as the
section.
Fixes: f6dfe556659f ("lib: Extract helpers for determining submission method")
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Another example of something that is used across different tests, and
should be moved to lib.
v2: Break the trend of expanding ioctl_wrappers
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Katarzyna Dec <katarzyna.dec@intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Katarzyna Dec <katarzyna.dec@intel.com>
Acked-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
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Couple of tests are using either determining scheduler capabilities or
pretty printing. Let's move those to helpers in lib. We can also keep
the value obtained from getparam static.
v2: Break the trend of expanding ioctl_wrappers
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Katarzyna Dec <katarzyna.dec@intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Katarzyna Dec <katarzyna.dec@intel.com>
Acked-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
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Couple of tests are using either determining submission method, or
pretty printing. Let's move those to helpers in lib.
v2: s/igt_show/gem_show
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Katarzyna Dec <katarzyna.dec@intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Katarzyna Dec <katarzyna.dec@intel.com>
Acked-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
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No complex check of reordered writes, just throwing lots of random
priority batches with long dependency chains at the scheduler. This
should help to smoketest preemption.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Rather than have the code in multiple locations, put a copy in lib/
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Don't perform igt_require() in children, it only angers igt.
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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As we can export igt_debugfs_dir() to cache the path to our debugfs
directory, encourage a few more users to take advantage.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Don't do igt_require() from child processes, igt doesn't like that.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This reverts commit 25fbae15262cf570e207e62f50e7c5233e06bc67, restoring
commit 301ad44cdf1b868b1ab89096721da91fa8541fdc
Author: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Date: Thu Mar 2 10:37:11 2017 +0100
lib: Open debugfs files for the given DRM device
with fixes.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This reverts commit 301ad44cdf1b868b1ab89096721da91fa8541fdc.
When a render-only device is opened and gem_quiescent_gpu is called, we
need to use the debugfs dir for the master device instead.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
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When opening a DRM debugfs file, locate the right path based on the
given DRM device FD.
This is needed so, in setups with more than one DRM device, any
operations on debugfs files affect the expected DRM device.
v2: - rebased and fixed new API additions
v3: - updated chamelium test, which was missed previously
- use the minor of the device for the debugfs path, not the major
- have a proper exit handler for calling igt_hpd_storm_reset with the
right device fd.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Robert Foss <robert.foss@collabora.com>
Acked-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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Painfully obvious afterwards.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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On gen2 MI_STORE_DWORD_IMM operates on a physical, not virtual, address
i.e. we can't use it.
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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If we want to advance the seqno, we need to coordinate with all possible
users. The kernel doesn't want to do that for a lowlevel debug feature,
so it's up to userspace not to shoot itself in the foot.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Now will even more evilness.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Execute the test in parallel in order to exercise a failure condition in
reordering requests.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Min, average, exclude the post-exec sync time.
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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Useful for confirmation when testing.
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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It access hardware, hence why the simple igt_only_list_subtests()
check from igt_fork/stop_signal_helper() isn't enough.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Slightly less extreme than switching engines between commands, switch
engines between pixels. This helps contrast the request amalgamation in
execlists.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Too many interrupts missed being ignored.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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At its heart gem_exec_whisper is a race detector between submission
between multiple rings and the execution. It is made even more
unreliable by debug kernels making it nigh impossible to submit batches
faster than the GPU can execute. As such, it's relevance for BAT is
dubious.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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- Give __ prefix to internal funcstion and structs, only
igt_interruptible is used by tests.
- Move docs to igt_interruptible and adjust.
- Explain more clearly how the timeout is getting doubled each
iteration until no more interruptions happen. Also rename the
argument to give it a more meaningful name in the docs.
- Link from other functions to this one for cross-referencing.
- Rename to igt_do_interruptible to make it clearer it's a loop,
inspired by do {} while () loops.
v2: Rename instead to igt_while_interruptible and fix typos (Chris).
And add gtk-doc for igt_ioctl, too.
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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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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If we listen to the uevents from the kernel, we can detect when the GPU
hangs. This requires us to fork a helper process to do so and send a
signal back to the parent.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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reloc.presumed_offset == -1 => implies we hit the fallback path and not
that we strictly needed to patch the relocation.
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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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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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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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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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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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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