[Intel-gfx] [PATCH v5 09/11] drm/i915: add oa_event_min_timer_exponent sysctl

Matthew Auld matthew.william.auld at gmail.com
Fri Oct 7 17:21:36 UTC 2016


On 14 September 2016 at 15:19, Robert Bragg <robert at sixbynine.org> wrote:
> The minimal sampling period is now configurable via a
> dev.i915.oa_min_timer_exponent sysctl parameter.
>
> Following the precedent set by perf, the default is the minimum that
> won't (on its own) exceed the default kernel.perf_event_max_sample_rate
> default of 100000 samples/s.
>
> Signed-off-by: Robert Bragg <robert at sixbynine.org>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>


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