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 for query
based on
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 for query
based on
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 for query
based on
Quoting Umesh Nerlige Ramappa (2020-07-31 15:46:43)
> 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,
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 for query
based on
Quoting Umesh Nerlige Ramappa (2020-07-31 07:07:23)
> 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,
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 for query
based on
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 for query
based on
On Fri, Jul 24, 2020 at 08:46:16PM +0100, Chris Wilson wrote:
Quoting Umesh Nerlige Ramappa (2020-07-24 20:35:11)
I agree, but strangely, with mmap sequence below, I don't see
i915_perf_release() called at all. So destroy() is not called.
perf_fd = i915_perf_open_ioctl()
mmap(..., perf_fd...)
Quoting Umesh Nerlige Ramappa (2020-07-24 20:35:11)
> I agree, but strangely, with mmap sequence below, I don't see
> i915_perf_release() called at all. So destroy() is not called.
>
> perf_fd = i915_perf_open_ioctl()
> mmap(..., perf_fd...)
> close(perf_fd)
> delay for a few seconds.
>
> If I
On Fri, Jul 24, 2020 at 07:55:06PM +0100, Chris Wilson wrote:
Quoting Umesh Nerlige Ramappa (2020-07-24 19:47:37)
On Fri, Jul 24, 2020 at 05:34:11PM +0100, Chris Wilson wrote:
>Quoting Umesh Nerlige Ramappa (2020-07-24 17:29:56)
>> On Fri, Jul 24, 2020 at 01:42:33PM +0100, Chris Wilson wrote:
Quoting Umesh Nerlige Ramappa (2020-07-24 19:47:37)
> On Fri, Jul 24, 2020 at 05:34:11PM +0100, Chris Wilson wrote:
> >Quoting Umesh Nerlige Ramappa (2020-07-24 17:29:56)
> >> On Fri, Jul 24, 2020 at 01:42:33PM +0100, Chris Wilson wrote:
> >> >Quoting Umesh Nerlige Ramappa (2020-07-24 01:19:01)
>
On Fri, Jul 24, 2020 at 05:34:11PM +0100, Chris Wilson wrote:
Quoting Umesh Nerlige Ramappa (2020-07-24 17:29:56)
On Fri, Jul 24, 2020 at 01:42:33PM +0100, Chris Wilson wrote:
>Quoting Umesh Nerlige Ramappa (2020-07-24 01:19:01)
>> From: Piotr Maciejewski
>>
>> i915 used to support time based
Quoting Umesh Nerlige Ramappa (2020-07-24 17:29:56)
> On Fri, Jul 24, 2020 at 01:42:33PM +0100, Chris Wilson wrote:
> >Quoting Umesh Nerlige Ramappa (2020-07-24 01:19:01)
> >> From: Piotr Maciejewski
> >>
> >> i915 used to support time based sampling mode which is good for overall
> >> system
On Fri, Jul 24, 2020 at 01:42:33PM +0100, Chris Wilson wrote:
Quoting Umesh Nerlige Ramappa (2020-07-24 01:19:01)
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
Quoting Umesh Nerlige Ramappa (2020-07-24 01:19:01)
> 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
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
On Thu, Jul 23, 2020 at 12:31:30PM +0300, Lionel Landwerlin wrote:
On 22/07/2020 08:55, 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
On 22/07/2020 08:55, 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
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
Quoting Umesh Nerlige Ramappa (2020-07-21 03:17:59)
> Hi Chris,
>
> I have added your comments, but I have a few questions below:
>
> Thanks for your help,
> Umesh
>
> On Mon, Jul 20, 2020 at 07:00:12PM -0700, Umesh Nerlige Ramappa wrote:
> >From: Piotr Maciejewski
> >+static void
Hi Chris,
I have added your comments, but I have a few questions below:
Thanks for your help,
Umesh
On Mon, Jul 20, 2020 at 07:00:12PM -0700, Umesh Nerlige Ramappa wrote:
From: Piotr Maciejewski
i915 used to support time based sampling mode which is good for overall
system monitoring, but
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
Quoting Umesh Nerlige Ramappa (2020-07-18 01:04:37)
> +static vm_fault_t vm_fault_oa(struct vm_fault *vmf)
> +{
> + struct vm_area_struct *vma = vmf->vma;
> + struct i915_perf_stream *stream = vma->vm_private_data;
> + struct drm_i915_gem_object *obj = stream->oa_buffer.vma->obj;
Hi Umesh,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip next-20200717]
[cannot apply to linus/master v5.8-rc5]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And
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
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