[igt-dev] [PATCH i-g-t 20/31] lib/perf: Add support for OAM format in codegen

Kamil Konieczny kamil.konieczny at linux.intel.com
Mon Mar 13 16:04:03 UTC 2023


On 2023-02-14 at 16:46:37 -0800, Umesh Nerlige Ramappa wrote:
> Include OAM samedia format for MTL.
------------- ^
imho it would help if you write full name here, is it
sample media ?

Acked-by: Kamil Konieczny <kamil.konieczny at linux.intel.com>

Regards,
Kamil

> 
> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
> ---
>  lib/i915/perf-configs/mdapi-xml-convert.py | 118 +++++++++++++++++++--
>  1 file changed, 112 insertions(+), 6 deletions(-)
> 
> diff --git a/lib/i915/perf-configs/mdapi-xml-convert.py b/lib/i915/perf-configs/mdapi-xml-convert.py
> index eee12ad5..ba0b7ba4 100755
> --- a/lib/i915/perf-configs/mdapi-xml-convert.py
> +++ b/lib/i915/perf-configs/mdapi-xml-convert.py
> @@ -135,6 +135,36 @@ xehpsdv_chipset_params = {
>  
>  # There is no ReportType field in most Metrics XML files, Use 256B_GENERIC_NOA16
>  # to denote the generic 256 byte format that is used by most chipsets
> +# Just treat the MPEC counter names as A counters here. If a format has both A
> +# and MPEC counters, then we need to change this.
> +mtl_chipset_oam_samedia_ll_params = {
> +    'a_offset': 32,
> +    'b_offset': 96,
> +    'c_offset': 128,
> +    'oa_report_size': 192,
> +    'config_reg_blacklist': {
> +        0x2364, # OACTXID
> +    },
> +    'register_offsets': {
> +        0x1b0: 'PERFCNT 0',
> +        0x1b8: 'PERFCNT 1',
> +    }
> +}
> +
> +mtl_chipset_oam_samedia_params = {
> +    'a_offset': 32,
> +    'b_offset': 64,
> +    'c_offset': 96,
> +    'oa_report_size': 128,
> +    'config_reg_blacklist': {
> +        0x2364, # OACTXID
> +    },
> +    'register_offsets': {
> +        0x1b0: 'PERFCNT 0',
> +        0x1b8: 'PERFCNT 1',
> +    }
> +}
> +
>  hsw_chipset_oa_formats = {
>      '256B_GENERIC_NOA16': hsw_chipset_params,
>  }
> @@ -147,6 +177,11 @@ xehpsdv_chipset_oa_formats = {
>      '256B_GENERIC_NOA16': xehpsdv_chipset_params,
>  }
>  
> +mtl_chipset_oa_formats = {
> +    '256B_GENERIC_NOA16': xehpsdv_chipset_params,
> +    '192B_MPEC8LL_NOA16': mtl_chipset_oam_samedia_ll_params,
> +    '128B_MPEC8_NOA16': mtl_chipset_oam_samedia_params,
> +}
>  
>  chipsets = {
>      'HSW': hsw_chipset_oa_formats,
> @@ -165,7 +200,7 @@ chipsets = {
>      'DG1': gen8_11_chipset_oa_formats,
>      'ADL': gen8_11_chipset_oa_formats,
>      'ACM': xehpsdv_chipset_oa_formats,
> -    'MTL': xehpsdv_chipset_oa_formats,
> +    'MTL': mtl_chipset_oa_formats,
>  }
>  
>  xehp_plus = ( 'ACM', 'MTL' )
> @@ -202,7 +237,62 @@ def read_value(chipset, offset, oa_format):
>      assert 0
>  
>  
> -def read_token_to_rpn_read(chipset, token, raw_offsets, oa_format):
> +def read_token_to_rpn_read_oam(chipset, token, raw_offsets, oa_format):
> +    width, offset_str = token.split('@')
> +    offset = int(offset_str, 16)
> +
> +    if width == 'qw':
> +        den = 8
> +    else:
> +        den = 4
> +
> +    if raw_offsets:
> +        # Location in the HW reports
> +        a_offset = chipsets[chipset][oa_format]['a_offset']
> +        b_offset = chipsets[chipset][oa_format]['b_offset']
> +        c_offset = chipsets[chipset][oa_format]['c_offset']
> +        report_size = chipsets[chipset][oa_format]['oa_report_size']
> +
> +        if offset < a_offset:
> +            if offset == 8:
> +                return "GPU_TIME 0 READ"
> +            elif offset == 24:
> +                return "GPU_CLOCK 0 READ"
> +            else:
> +                assert 0
> +        elif offset < b_offset:
> +            a_cnt_offset = int((offset - a_offset) / den)
> +            return "A " + str(a_cnt_offset) + " READ"
> +        elif offset < c_offset:
> +            return "B " + str(int((offset - b_offset) / den)) + " READ"
> +        elif offset < report_size:
> +            return "C " + str(int((offset - c_offset) / den)) + " READ"
> +        else:
> +            return "{0} READ".format(read_value(chipset, offset, oa_format))
> +    else:
> +        # Location in the accumulated deltas
> +        idx = int(offset / 8)
> +        if chipset in xehp_plus:
> +            # For XEHPSDV the array of accumulated counters is
> +            # assumed to start with a GPU_TIME then GPU_CLOCK,
> +            # then 38 A counters, then 8 B counters and finally
> +            # 8 C counters.
> +            if idx == 0:
> +                return "GPU_TIME 0 READ"
> +            elif idx == 1:
> +                return "GPU_CLOCK 0 READ"
> +            elif idx < 40:
> +                return "A " + str(idx - 2) + " READ"
> +            elif idx < 48:
> +                return "B " + str(idx - 40) + " READ"
> +            elif idx < 56:
> +                return "C " + str(idx - 48) + " READ"
> +            else:
> +                return "{0} READ".format(read_value(chipset, offset, oa_format))
> +
> +    assert 0
> +
> +def read_token_to_rpn_read_oag(chipset, token, raw_offsets, oa_format):
>      width, offset_str = token.split('@')
>  
>      # For Broadwell the raw read notation was extended for 40 bit
> @@ -298,6 +388,16 @@ def read_token_to_rpn_read(chipset, token, raw_offsets, oa_format):
>  
>      assert 0
>  
> +
> +def read_token_to_rpn_read(chipset, token, raw_offsets, oa_format):
> +    if oa_format == '256B_GENERIC_NOA16':
> +        return read_token_to_rpn_read_oag(chipset, token, raw_offsets, oa_format)
> +
> +    if oa_format in ['192B_MPEC8LL_NOA16', '128B_MPEC8_NOA16']:
> +        return read_token_to_rpn_read_oam(chipset, token, raw_offsets, oa_format)
> +
> +    assert 0
> +
>  def replace_read_tokens_with_rpn_read_ops(chipset, oa_format, equation, raw_offsets):
>      # MDAPI MetricSet equations use tokens like 'dw at 0xff' for reading raw
>      # values from snapshots, but this doesn't seem convenient for a few
> @@ -625,10 +725,13 @@ for arg in args.xml:
>      for mdapi_set in mdapi.findall(".//MetricSet"):
>  
>          apis = mdapi_set.get('SupportedAPI')
> -        if "OGL" not in apis and "OCL" not in apis and "MEDIA" not in apis:
> +        if "OGL" not in apis and "OCL" not in apis and "MEDIA" not in apis and "IO" not in apis:
>              continue
>  
>          oa_format = '256B_GENERIC_NOA16'
> +        if mdapi_set.get('ReportType') in chipsets[chipset]:
> +            oa_format = mdapi_set.get('ReportType')
> +
>          set_symbol_name = oa_registry.Registry.sanitize_symbol_name(mdapi_set.get('SymbolName'))
>  
>          if set_symbol_name in sets:
> @@ -647,7 +750,7 @@ for arg in args.xml:
>          if set_symbol_name in set_blacklist:
>              continue
>  
> -        if mdapi_set.get('SnapshotReportSize') != '256':
> +        if mdapi_set.get('SnapshotReportSize') != str(chipsets[chipset][oa_format]['oa_report_size']):
>              print_err("WARNING: skipping metric set '{0}', report size {1} invalid".format(set_symbol_name, mdapi_set.get('SnapshotReportSize')))
>              continue
>  
> @@ -880,8 +983,11 @@ for arg in args.xml:
>              # XXX: As a special case, we override the raw and delta report
>              # equations for the GpuTime counters, which seem inconsistent
>              if mdapi_counter.get('SymbolName') == "GpuTime":
> -                mdapi_counter.set('SnapshotReportReadEquation', "dw at 0x04 1000000000 UMUL $GpuTimestampFrequency UDIV")
>                  mdapi_counter.set('DeltaReportReadEquation', "qw at 0x0 1000000000 UMUL $GpuTimestampFrequency UDIV")
> +                if chipset == 'MTL' and oa_format != '256B_GENERIC_NOA16':
> +                    mdapi_counter.set('SnapshotReportReadEquation', "qw at 0x08 1000000000 UMUL $GpuTimestampFrequency UDIV")
> +                else:
> +                    mdapi_counter.set('SnapshotReportReadEquation', "dw at 0x04 1000000000 UMUL $GpuTimestampFrequency UDIV")
>  
>              availability = fixup_equation(mdapi_counter.get('AvailabilityEquation'))
>              if availability == "":
> @@ -919,7 +1025,7 @@ for arg in args.xml:
>                            "(" + mdapi_counter.get('ShortName') + ")" + "\"")
>                  # Media metric counters currently have no delta equation even
>                  # though they have normalization equations that reference $Self
> -                if "MEDIA" in apis:
> +                if "MEDIA" in apis or "IO" in apis:
>                      print_err("WARNING: -> Treating inconsistent media metric's 'raw' equation as a 'delta report' equation, but results should be double checked!")
>                      delta_read_eq = raw_read_eq
>                  else:
> -- 
> 2.36.1
> 


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