diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-03-02 10:11:14 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-03-02 10:33:25 +0000 |
| commit | a3de0bc9df07918d08298d954127f07085a086e5 (patch) | |
| tree | a46dc7d82cff41a80a01cb39f71c2f4418dacafd /tests | |
| parent | 02befb8b03f8c052394670f9988571429d13b227 (diff) | |
tests/drv_missed_irq_hang: Wait harder
Improve the busy-load for triggering a wait-on-interrupt and check for
extraneous missed-interrupts before and after our tests.
References: https://bugs.freedesktop.org/show_bug.cgi?id=88437
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'tests')
| -rwxr-xr-x | tests/drv_missed_irq_hang | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/tests/drv_missed_irq_hang b/tests/drv_missed_irq_hang index 8083fe54..e76c7db6 100755 --- a/tests/drv_missed_irq_hang +++ b/tests/drv_missed_irq_hang @@ -11,16 +11,11 @@ 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 + $oldpath/$SOURCE_DIR/../benchmarks/gem_blt -r 1 -b 64 -t 1 -S > /dev/null } function check_for_missed_irq { - if test `cat i915_ring_missed_irq` = 0x00000000; then - echo "missed interrupts undetected" - exit $IGT_EXIT_FAILURE - fi + test `cat i915_ring_missed_irq` != 0x00000000 } function check_for_hang { @@ -37,6 +32,11 @@ fi # clear error state first echo > i915_error_state +blt_wait +if check_for_missed_irq; then + echo "missed interrupts detected before starting test" + exit $IGT_EXIT_SKOP +fi check_for_hang echo 0xf > i915_ring_test_irq @@ -47,10 +47,10 @@ if test `cat i915_ring_test_irq` != 0x0000000f; then fi blt_wait -check_for_missed_irq -check_for_hang - -blt_wait +if ! check_for_missed_irq; then + echo "missed interrupts undetected" + exit $IGT_EXIT_FAILURE +fi check_for_hang echo 0 > i915_ring_test_irq @@ -70,4 +70,11 @@ if test `cat i915_ring_missed_irq` != 0x00000000; then exit $IGT_EXIT_FAILURE fi +blt_wait +if check_for_missed_irq; then + echo "missed interrupts detected afterwards" + exit $IGT_EXIT_FAILURE +fi +check_for_hang + exit $IGT_EXIT_SUCCESS |