diff mbox

drm/i915/selftests: Include the trace as a debug aide

Message ID 20180321100326.9241-1-chris@chris-wilson.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Chris Wilson March 21, 2018, 10:03 a.m. UTC 
If we fail to reset the GPU in a timely fashion, dump the GEM trace so
that we can see what operations were in flight when the GPU got stuck.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/selftests/intel_hangcheck.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
index 4372826998aa..380eede30cd5 100644
--- a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
+++ b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
@@ -260,8 +260,11 @@  static void wedge_me(struct work_struct *work)
 {
 	struct wedge_me *w = container_of(work, typeof(*w), work.work);
 
-	pr_err("%pS timed out, cancelling all further testing.\n",
-	       w->symbol);
+	pr_err("%pS timed out, cancelling all further testing.\n", w->symbol);
+
+	GEM_TRACE("%pS timed out.\n", w->symbol);
+	GEM_TRACE_DUMP();
+
 	i915_gem_set_wedged(w->i915);
 }