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
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
> >
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
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
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
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
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
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
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
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drivers/gpu/drm/i915/i915_pmu.c | 83
