[PATCH 01/11] drm/i915: Show the execlist queue in debugfs/i915_engine_info
Chris Wilson
chris at chris-wilson.co.uk
Tue Nov 1 14:46:45 UTC 2016
When looking at freezes whilst working on execlists, knowing the order
of the pending requests in the driver is useful.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_debugfs.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a13ff4772e28..31ca7d3ea836 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3255,6 +3255,12 @@ static int i915_engine_info(struct seq_file *m, void *unused)
else
seq_printf(m, "\t\tELSP[1] idle\n");
rcu_read_unlock();
+
+ spin_lock_irq(&engine->execlist_lock);
+ list_for_each_entry(rq, &engine->execlist_queue, execlist_link) {
+ print_request(m, rq, "\t\tQ ");
+ }
+ spin_unlock_irq(&engine->execlist_lock);
} else if (INTEL_GEN(dev_priv) > 6) {
seq_printf(m, "\tPP_DIR_BASE: 0x%08x\n",
I915_READ(RING_PP_DIR_BASE(engine)));
--
2.10.2
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