On Mon, 13 Apr 2020 08:48:22 -0700, Umesh Nerlige Ramappa wrote:
>
> @@ -556,16 +559,23 @@ static bool oa_buffer_check_unlocked(struct
> i915_perf_stream *stream)
> * waiting on an event to occur. These checks are redundant when hrtimer
> events
> * will call oa_buffer_check_unlocked to updat
From: Lionel Landwerlin
This let's the application choose to be driven by the interrupt
mechanism of the HW. In conjunction with long periods for checks for
the availability of data on the CPU, this can reduce the CPU load when
doing capture of OA data.
v2: Version the new parameter (Joonas)
v3: