We have traces for the semaphore and the error, but not the far more
frequent CS interrupts. This is likely to be too much, but for the
purpose of live_unlite_preempt it may answer a question or two.

Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/intel_gt_irq.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_irq.c 
b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
index 0cc7dd54f4f9..4291d55c5457 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_irq.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
@@ -48,8 +48,12 @@ cs_irq_handler(struct intel_engine_cs *engine, u32 iir)
                        tasklet = true;
        }
 
-       if (iir & GT_CONTEXT_SWITCH_INTERRUPT)
+       if (iir & GT_CONTEXT_SWITCH_INTERRUPT) {
+               ENGINE_TRACE(engine, "CS: %x %x\n",
+                            ENGINE_READ_FW(engine, RING_EXECLIST_STATUS_HI),
+                            ENGINE_READ_FW(engine, RING_EXECLIST_STATUS_LO));
                tasklet = true;
+       }
 
        if (iir & GT_RENDER_USER_INTERRUPT) {
                intel_engine_signal_breadcrumbs(engine);
-- 
2.20.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to