All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] drm/i915/pmu: "Frequency" is reported as accumulated cycles
@ 2019-11-09 10:53 ` Chris Wilson
  0 siblings, 0 replies; 14+ messages in thread
From: Chris Wilson @ 2019-11-09 10:53 UTC (permalink / raw)
  To: intel-gfx; +Cc: Chris Wilson, Tvrtko Ursulin, stable

We report "frequencies" (actual-frequency, requested-frequency) as the
number of accumulated cycles so that the average frequency over that
period may be determined by the user. This means the units we report to
the user are Mcycles (or just M), not MHz.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/i915/i915_pmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 4804775644bf..9b02be0ad4e6 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -908,8 +908,8 @@ create_event_attributes(struct i915_pmu *pmu)
 		const char *name;
 		const char *unit;
 	} events[] = {
-		__event(I915_PMU_ACTUAL_FREQUENCY, "actual-frequency", "MHz"),
-		__event(I915_PMU_REQUESTED_FREQUENCY, "requested-frequency", "MHz"),
+		__event(I915_PMU_ACTUAL_FREQUENCY, "actual-frequency", "M"),
+		__event(I915_PMU_REQUESTED_FREQUENCY, "requested-frequency", "M"),
 		__event(I915_PMU_INTERRUPTS, "interrupts", NULL),
 		__event(I915_PMU_RC6_RESIDENCY, "rc6-residency", "ns"),
 	};
-- 
2.24.0


^ permalink raw reply related	[flat|nested] 14+ messages in thread

end of thread, other threads:[~2019-11-11 11:59 UTC | newest]

Thread overview: 14+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-11-09 10:53 [PATCH] drm/i915/pmu: "Frequency" is reported as accumulated cycles Chris Wilson
2019-11-09 10:53 ` [Intel-gfx] " Chris Wilson
2019-11-09 11:30 ` ✓ Fi.CI.BAT: success for " Patchwork
2019-11-09 11:30   ` [Intel-gfx] " Patchwork
2019-11-10 20:57 ` ✗ Fi.CI.IGT: failure " Patchwork
2019-11-10 20:57   ` [Intel-gfx] " Patchwork
2019-11-11  9:11 ` [Intel-gfx] [PATCH] " Tvrtko Ursulin
2019-11-11  9:11   ` Tvrtko Ursulin
2019-11-11  9:43   ` Chris Wilson
2019-11-11  9:43     ` Chris Wilson
2019-11-11 10:40     ` Tvrtko Ursulin
2019-11-11 10:40       ` Tvrtko Ursulin
2019-11-11 11:59       ` Chris Wilson
2019-11-11 11:59         ` Chris Wilson

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.