Re: [Intel-gfx] [PATCH 3/3] drm/i915/perf: add interrupt enabling parameter

2020-04-17 Thread Dixit, Ashutosh
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

[Intel-gfx] [PATCH 3/3] drm/i915/perf: add interrupt enabling parameter

2020-04-13 Thread Umesh Nerlige Ramappa
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: