Re: [Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-16 Thread Umesh Nerlige Ramappa
On Thu, Jul 16, 2020 at 12:28:47PM -0700, Umesh Nerlige Ramappa wrote: On Thu, Jul 16, 2020 at 09:44:46PM +0300, Lionel Landwerlin wrote: On 16/07/2020 21:06, Umesh Nerlige Ramappa wrote: On Thu, Jul 16, 2020 at 06:32:10PM +0300, Lionel Landwerlin wrote: On 14/07/2020 10:22, Umesh Nerlige

Re: [Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-16 Thread Umesh Nerlige Ramappa
On Thu, Jul 16, 2020 at 09:44:46PM +0300, Lionel Landwerlin wrote: On 16/07/2020 21:06, Umesh Nerlige Ramappa wrote: On Thu, Jul 16, 2020 at 06:32:10PM +0300, Lionel Landwerlin wrote: On 14/07/2020 10:22, Umesh Nerlige Ramappa wrote: From: Piotr Maciejewski i915 used to support time based

Re: [Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-16 Thread Lionel Landwerlin
On 16/07/2020 21:06, Umesh Nerlige Ramappa wrote: On Thu, Jul 16, 2020 at 06:32:10PM +0300, Lionel Landwerlin wrote: On 14/07/2020 10:22, Umesh Nerlige Ramappa wrote: From: Piotr Maciejewski i915 used to support time based sampling mode which is good for overall system monitoring, but is not

Re: [Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-16 Thread Umesh Nerlige Ramappa
On Thu, Jul 16, 2020 at 06:32:10PM +0300, Lionel Landwerlin wrote: On 14/07/2020 10:22, Umesh Nerlige Ramappa wrote: From: Piotr Maciejewski i915 used to support time based sampling mode which is good for overall system monitoring, but is not enough for query mode used to measure a single

Re: [Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-16 Thread Lionel Landwerlin
On 14/07/2020 10:22, Umesh Nerlige Ramappa wrote: From: Piotr Maciejewski i915 used to support time based sampling mode which is good for overall system monitoring, but is not enough for query mode used to measure a single draw call or dispatch. Gen9-Gen11 are using current i915 perf

Re: [Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-14 Thread Chris Wilson
Quoting Umesh Nerlige Ramappa (2020-07-14 21:10:02) > On Tue, Jul 14, 2020 at 12:28:15PM +0100, Chris Wilson wrote: > >Quoting Umesh Nerlige Ramappa (2020-07-14 08:22:39) > >> From: Piotr Maciejewski > >> > >> i915 used to support time based sampling mode which is good for overall > >> system

Re: [Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-14 Thread Umesh Nerlige Ramappa
On Tue, Jul 14, 2020 at 12:28:15PM +0100, Chris Wilson wrote: Quoting Umesh Nerlige Ramappa (2020-07-14 08:22:39) From: Piotr Maciejewski i915 used to support time based sampling mode which is good for overall system monitoring, but is not enough for query mode used to measure a single draw

Re: [Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-14 Thread Chris Wilson
Quoting Umesh Nerlige Ramappa (2020-07-14 08:22:39) > From: Piotr Maciejewski > > i915 used to support time based sampling mode which is good for overall > system monitoring, but is not enough for query mode used to measure a > single draw call or dispatch. Gen9-Gen11 are using current i915 perf

Re: [Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-14 Thread Umesh Nerlige Ramappa
On Tue, Jul 14, 2020 at 12:22:39AM -0700, Umesh Nerlige Ramappa wrote: From: Piotr Maciejewski i915 used to support time based sampling mode which is good for overall system monitoring, but is not enough for query mode used to measure a single draw call or dispatch. Gen9-Gen11 are using

[Intel-gfx] [PATCH 1/1] drm/i915/perf: Map OA buffer to user space

2020-07-14 Thread Umesh Nerlige Ramappa
From: Piotr Maciejewski i915 used to support time based sampling mode which is good for overall system monitoring, but is not enough for query mode used to measure a single draw call or dispatch. Gen9-Gen11 are using current i915 perf implementation for query, but Gen12+ requires a new approach