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An off-by-one caused us to execute the blank object rather than the
batch.
References: https://bugs.freedesktop.org/show_bug.cgi?id=94801
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Since we are deliberately going to fail the mmap() allocation, don't
assert.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Hitting oom from userptr because we had N threads all consuming all of
memory, wasn't the intention but the bugs it found were useful!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Add additional mempressure in the form of userptr.
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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"Leak" the objects from each test until each process has allocated
enough objects to consume all of RAM.
Doing so from each process not only ensures we do stress the allocation
paths, but also obsoletes the separate purgeable helper.
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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This test exercise purely to exercise the shrinker under some common
stress (i.e. paths leading to i915_gem_object_get_pages()). We try to
fill the entirely of memory split amongst many processes so that each
individual process only consumes a small fraction of RAM (less than the
mappable aperture) and a single process should not be individually
blamed.
Based on an idea to have a seperate set of memory stress tests by Piotr
Luc.
Cc: Piotr Luc <piotr.luc@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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