[Intel-gfx] [PATCH] drm/i915/gt: Show the culmative runtime as part of the engine info
Chris Wilson
chris at chris-wilson.co.uk
Fri Jun 19 19:10:53 UTC 2020
Since we always enable the busy-stats, the culmulative runtime should be
accurate, and might be useful for diagnosing issues with the engine.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index c62b3cbdbbf9..7bf2f76212f0 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -1510,6 +1510,7 @@ void intel_engine_dump(struct intel_engine_cs *engine,
struct i915_request *rq;
intel_wakeref_t wakeref;
unsigned long flags;
+ ktime_t dummy;
if (header) {
va_list ap;
@@ -1527,6 +1528,10 @@ void intel_engine_dump(struct intel_engine_cs *engine,
yesno(!llist_empty(&engine->barrier_tasks)));
drm_printf(m, "\tLatency: %luus\n",
ewma__engine_latency_read(&engine->latency));
+ if (intel_engine_supports_stats(engine))
+ drm_printf(m, "\tRuntime: %llums\n",
+ ktime_to_ms(intel_engine_get_busy_time(engine,
+ &dummy)));
drm_printf(m, "\tForcewake: %x domains, %d active\n",
engine->fw_domain, atomic_read(&engine->fw_active));
--
2.20.1
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