mirror of
https://github.com/tiagovignatti/intel-gpu-tools.git
synced 2025-11-04 03:58:27 +00:00
5eeb1f34d4
The test relies on having to wait upon the GPU at some point and so simulating a missed interrupt. If there is insufficient load on the GPU, we can complete the task before we even wait. References: https://bugs.freedesktop.org/show_bug.cgi?id=71334 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
74 lines
1.4 KiB
Bash
Executable File
74 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Testcase: Simulate missed breadcrumb interrupts
|
|
#
|
|
|
|
SOURCE_DIR="$( dirname "${BASH_SOURCE[0]}" )"
|
|
. $SOURCE_DIR/drm_lib.sh
|
|
|
|
oldpath=`pwd`
|
|
|
|
cd $i915_dfs_path
|
|
|
|
function blt_wait {
|
|
(cd $oldpath; $SOURCE_DIR/gem_exec_blt 16384) > /dev/null
|
|
(cd $oldpath; $SOURCE_DIR/gem_exec_blt 65536) > /dev/null
|
|
(cd $oldpath; $SOURCE_DIR/gem_exec_blt 262144) > /dev/null
|
|
}
|
|
|
|
function check_for_missed_irq {
|
|
if test `cat i915_ring_missed_irq` = 0x00000000; then
|
|
echo "missed interrupts undetected"
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
function check_for_hang {
|
|
if cat i915_error_state | grep -v "no error state collected" > /dev/null ; then
|
|
echo "gpu hang reported"
|
|
exit 2
|
|
fi
|
|
}
|
|
|
|
if [ ! -f i915_ring_missed_irq ] ; then
|
|
echo "kernel doesn't support interrupt masking"
|
|
exit 77
|
|
fi
|
|
|
|
# clear error state first
|
|
echo > i915_error_state
|
|
check_for_hang
|
|
|
|
echo 0xf > i915_ring_test_irq
|
|
echo "Interrupts masked"
|
|
if test `cat i915_ring_test_irq` != 0x0000000f; then
|
|
echo "Failed to set interrupt mask"
|
|
exit 3
|
|
fi
|
|
|
|
blt_wait
|
|
check_for_missed_irq
|
|
check_for_hang
|
|
|
|
blt_wait
|
|
check_for_hang
|
|
|
|
echo 0 > i915_ring_test_irq
|
|
echo "Interrupts unmasked"
|
|
if test `cat i915_ring_test_irq` != 0x00000000; then
|
|
echo "Failed to clear interrupt mask"
|
|
exit 3
|
|
fi
|
|
|
|
blt_wait
|
|
check_for_hang
|
|
|
|
echo 0 > i915_ring_missed_irq
|
|
echo "Cleared missed interrupts"
|
|
if test `cat i915_ring_missed_irq` != 0x00000000; then
|
|
echo "Failed to clear missed interrupts"
|
|
exit 3
|
|
fi
|
|
|
|
exit 0
|