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https://github.com/tiagovignatti/intel-gpu-tools.git
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c769d0988b
Just launching empty batches isn't enough load on my speedy g33 to force the kernel to enable interrupts an wait for them. So use some real load. With that the test is now fully reliably on my g33 amchine. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
71 lines
1.3 KiB
Bash
Executable File
71 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# Testcase: Simulate missed breadcrumb interrupts
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#
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SOURCE_DIR="$( dirname "${BASH_SOURCE[0]}" )"
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. $SOURCE_DIR/drm_lib.sh
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oldpath=`pwd`
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cd $i915_dfs_path
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function check_for_missed_irq {
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if test `cat i915_ring_missed_irq` = 0x00000000; then
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echo "missed interrupts undetected"
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exit 1
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fi
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}
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function check_for_hang {
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if cat i915_error_state | grep -v "no error state collected" > /dev/null ; then
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echo "gpu hang reported"
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exit 2
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fi
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}
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if [ ! -f i915_ring_missed_irq ] ; then
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echo "kernel doesn't support interrupt masking"
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exit 77
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fi
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# clear error state first
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echo > i915_error_state
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check_for_hang
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echo 0xf > i915_ring_test_irq
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echo "Interrupts masked"
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if test `cat i915_ring_test_irq` != 0x0000000f; then
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echo "Failed to set interrupt mask"
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exit 3
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fi
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(cd $oldpath; $SOURCE_DIR/gem_exec_blt) > /dev/null
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check_for_missed_irq
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check_for_hang
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(cd $oldpath; $SOURCE_DIR/gem_exec_blt) > /dev/null
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check_for_hang
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echo 0 > i915_ring_test_irq
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echo "Interrupts unmasked"
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if test `cat i915_ring_test_irq` != 0x00000000; then
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echo "Failed to clear interrupt mask"
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exit 3
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fi
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(cd $oldpath; $SOURCE_DIR/gem_exec_blt) > /dev/null
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check_for_hang
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echo 0 > i915_ring_missed_irq
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echo "Cleared missed interrupts"
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if test `cat i915_ring_missed_irq` != 0x00000000; then
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echo "Failed to clear missed interrupts"
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exit 3
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fi
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exit 0
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