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drm/i915/gt: Show the culmative runtime as part of the engine info

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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
This commit is contained in:
Chris Wilson 2020-06-19 20:10:53 +01:00
parent 5a15550e56
commit 4fb3395343
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/gt/intel_engine_cs.c
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@ -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));