On 11/09/2019 17:38, Chris Wilson wrote:
As we track when we put the GT device to sleep upon idling, we can use
that callback to sample the current rc6 counters and record the
timestamp for estimating samples after that point while asleep.
v2: Stick to using ktime_t
v3: Track user_wakerefs that
Quoting Tvrtko Ursulin (2019-09-12 10:55:00)
>
> On 12/09/2019 10:39, Chris Wilson wrote:
> > Quoting Tvrtko Ursulin (2019-09-12 10:20:39)
> >> Don't we end up doing the irqsave spinlock needlessly when !CONFIG_PM?
> >
> > No, the intent is to serialise with i915_pmu_gt_parked and
> > i915_pmu_gt
On 12/09/2019 10:39, Chris Wilson wrote:
Quoting Tvrtko Ursulin (2019-09-12 10:20:39)
On 11/09/2019 17:38, Chris Wilson wrote:
As we track when we put the GT device to sleep upon idling, we can use
that callback to sample the current rc6 counters and record the
timestamp for estimating sample
Quoting Tvrtko Ursulin (2019-09-12 10:20:39)
>
> On 11/09/2019 17:38, Chris Wilson wrote:
> > As we track when we put the GT device to sleep upon idling, we can use
> > that callback to sample the current rc6 counters and record the
> > timestamp for estimating samples after that point while aslee
On 11/09/2019 17:38, Chris Wilson wrote:
As we track when we put the GT device to sleep upon idling, we can use
that callback to sample the current rc6 counters and record the
timestamp for estimating samples after that point while asleep.
v2: Stick to using ktime_t
v3: Track user_wakerefs that
As we track when we put the GT device to sleep upon idling, we can use
that callback to sample the current rc6 counters and record the
timestamp for estimating samples after that point while asleep.
v2: Stick to using ktime_t
v3: Track user_wakerefs that interfere with the new
intel_gt_pm_wait_for
As we track when we put the GT device to sleep upon idling, we can use
that callback to sample the current rc6 counters and record the
timestamp for estimating samples after that point while asleep.
v2: Stick to using ktime_t
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105010
Signed-of
Quoting Chris Wilson (2019-02-12 22:39:46)
> As we track when we put the GT device to sleep upon idling, we can use
> that callback to sample the current rc6 counters and record the
> timestamp for estimating samples after that point while asleep.
Bah, the perf_pmu/rc6 test bypasses the GPU and po
As we track when we put the GT device to sleep upon idling, we can use
that callback to sample the current rc6 counters and record the
timestamp for estimating samples after that point while asleep.
Signed-off-by: Chris Wilson
Cc: Tvrtko Ursulin
---
drivers/gpu/drm/i915/i915_pmu.c | 83
