drm/i915/gt: Show the culmative runtime as part of the engine info (4fb33953) · Commits · 戴 / test

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@chris-wilson.co.uk> Reviewed-by:

Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200619191053.9654-1-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/gt/intel_engine_cs.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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));

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