Bottlenecks analysis_shaderALU_bound name Shader ALU Bound description is shader ALU bound analysis_TextureSamplingInst_bound name Texture Sampling Instructions Bound description is shader texture sampling instruction bound analysis_memory_bound name Memory Bandwidth Bound description is memory bandwidth bound analysis_pixelRate_bound name Pixel Rate Bound description is pixel rate bound analysis_primitiveRate_bound name Primitive Rate Bound description is primitive rate bound Version 1.0 DerivedCounters GPUTime counters MTLStat_nSec name GPU Time description GPU Time in nSec type Count GPUBusy counters AMDStat_GPU_Engine_Ticks AMDStat_GPU_Engine_Busy_Ticks name GPU Busy % description Percentage of time GPU is doing work type Percentage GPUStall counters GPUBusy name GPU Stall % description Percentage of time GPU is being stalled type Percentage ShaderCoreUtilization counters MTLStatShaderCost MTLStatComputeCost name Shader Core Utilization % description Percentage of time Shader core is doing work type Percentage ShaderCoreALUActive counters MTLStatComputeCost AMDStat_Shader_SALU_Cycles AMDStat_Shader_VALU_Cycles AMDStat_Compute_SALU_Inst_Cycles AMDStat_Compute_VALU_Inst_Cycles AMDStat_GPU_Engine_Busy_Ticks name Shader Core ALU Active % description Percentage of time Shader core is doing actual ALU work type Percentage ShaderCoreStall counters ShaderCoreALUActive AMDStat_GPU_Engine_Busy_Ticks AMDStat_Shader_SMEM_Cycles AMDStat_Shader_VMEM_Cycles AMDStat_Shader_SCA_Cycles AMDStat_Shader_EXP_Cycles AMDStat_Shader_MISC_Cycles MTLStatShaderCost name % of Stall Time in Shader Core description Percentage of time shader core is being stalled type Percentage SamplerBusy counters AMDStat_SamplerBusy name % of Busy Time in Sampler description Percentage of time Sampler is busy type Percentage L2CacheThroughput counters AMDStat_L2CacheRequest AMDStat_L2Busy AMDStat_GPU_Engine_Busy_Ticks name L2 Cache Throughput description Number of requests (cache lines) being sent to L2 Cache per GPU clock type Rate ColorBlockDramBandwidth counters AMDStat_CBMemRead AMDStat_CBMemWritten AMDStat_CBBusy AMDStat_GPU_Engine_Busy_Ticks name Color Block Dram Bandwidth description Number of GB being accessed in memory by color block per second type Rate DepthBlockDramBandwidth counters AMDStat_DBTileRead AMDStat_DBQuadRead AMDStat_DBTileWrite AMDStat_DBQuadWrite AMDStat_ZUnitBusy AMDStat_GPU_Engine_Busy_Ticks name Depth Block Dram Bandwidth description Number of GB being accessed in memory by depth block per second type Rate L2CacheDramBandwidth counters AMDStat_WriteSize AMDStat_FetchSize AMDStat_L2Busy AMDStat_GPU_Engine_Busy_Ticks name L2 Cache Dram Bandwidth description Number of GB being accessed in memory by L2 cache per second type Rate VSInvocation counters AMDStat_DSInvocations AMDStat_VSInvocations name Vertex Shader Invocations description Number of times vertex shader is invoked type Count CSInvocation counters AMDStat_CSInvocations name Compute Shader Invocations description Number of times compute shader is invoked type Count PSInvocation counters AMDStat_PSInvocations name Fragment Shader Invocations description Number of times fragment shader is invoked type Count VertexDuration counters MTLStatVertexCost MTLStatFragmentCost name Vertex Shader Duration description % of GPU busy time the vertex shader is in flight type Percentage FragmentDuration counters MTLStatFragmentCost MTLStatVertexCost name Fragment Shader Duration description % of GPU busy time the fragment shader is in flight type Percentage PixelToVertexRatio counters AMDStat_IAVertices PixelsRasterized name Pixel To Vertex Ratio description Number of pixels per vertex type Rate PixelPerTriangle counters PrimitivesSubmitted PixelsRasterized name Pixel Per Triangle description Number of pixels per triangle type Rate VerticesSubmitted counters AMDStat_HSInvocations AMDStat_IAVertices AMDStat_VSVerticesIn name Vertices Submitted description Number of vertices being submitted to input assembly type Count NumberOfPatchesSubmitted counters AMDStat_HSInvocations AMDStat_IAVertices name Number of Patches Submitted description Number of patches being submitted to input assembly type Count VerticesReused counters AMDStat_VerticesReuse AMDStat_IAVertices AMDStat_VSInvocations name Number of Vertices Reused description Number of number of vertices being reused in the total number of submitted vertices type Count VerticesReusedPercentage counters VerticesReused AMDStat_IAVertices name Percentage of Vertices Reused description Percentage of number of vertices being reused in the total number of submitted vertices type Percentage VerticesRendered counters AMDStat_VSVerticesIn name Number of Vertices Rendered description Number of number of vertices being passed to shader core in total number of vertices submitted type Count VerticesRenderedPercentage counters AMDStat_VSVerticesIn VerticesSubmitted name Percentage of Vertices Rendered description Percentage of number of vertices being passed to shader core in total number of vertices submitted type Percentage AverageTessFactor counters AMDStat_HSInvocations AMDStat_VSVerticesIn AMDStat_IAVertices name Average Tessellation Factor description Average of actually calculated tessellation factor type Count PrimitivesSubmitted counters AMDStat_IAPrimitives AMDStat_CInvocations AMDStat_HSInvocations name Primitives Submitted description Number of primitives gathered by input assembly type Count PrimitivesRendered counters AMDStat_CPrimitives name Number of Primitives Rendered description Number of Number of primitives actually rendered in total number of primitives submitted type Count PrimitivesRenderedPercentage counters AMDStat_CPrimitives PrimitivesSubmitted name Percentage of Primitives Rendered description Percentage of Number of primitives actually rendered in total number of primitives submitted type Percentage NumberOfCulledPrimitives counters AMDStat_CulledPrims name Number of Primitives Culled description Number of Number of primitives being culled in total number of primitives submitted type Count NumberOfCulledPrimitivesPercentage counters AMDStat_CulledPrims PrimitivesSubmitted name Percentage of Primitives Culled description Percentage of Number of primitives being culled in total number of primitives submitted type Percentage NumberOfClippedPrimitives counters AMDStat_ClippedPrims name Number of Primitives Clipped description Number of Number of primitives being clipped in total number of primitives submitted type Count NumberOfClippedPrimitivesPercentage counters AMDStat_ClippedPrims PrimitivesSubmitted name Percentage of Primitives Clipped description Percentage of Number of primitives being clipped in total number of primitives submitted type Percentage HierarchicalZTotalTilesCount counters AMDStat_HiZTilesTotalCount name Hierarchical ZTotal Tiles Count description Number of tiles sent to hierarchical Z test type Count HierarchicalZFailPercentage counters AMDStat_HiZTilesCulledCount AMDStat_HiZTilesTotalCount name Percentage of Hierarchical Z Fail Count description Percentage of number of tiles that fails hierarchical Z test in the total number of tiles sent to HiZ test type Percentage PreZPassSampleCount counters AMDStat_PreZSamplesPassingZ name PreZ Z test Pass Sample Count description Number of samples that pass preZ Z test type Count PreZFailSampleCount counters AMDStat_PreZSamplesFailingZ name PreZ Z test Fail Sample Count description Number of samples that fail preZ Z test type Count PreZStencilFailSampleCount counters AMDStat_PreZSamplesFailingS name PreZ Stencil Test Fail Sample Count description Number of samples that fail preZ stencil test type Count PostZPassSampleCount counters AMDStat_PostZSamplesPassingZ name PostZ Z test Pass Sample Count description Number of samples that pass postZ Z test type Count PostZFailSampleCount counters AMDStat_PostZSamplesFailingZ name PostZ Z test Fail Sample Count description Number of samples that fail postZ Z test type Count PostZStencilFailSampleCount counters AMDStat_PostZSamplesFailingS name PostZ Stencil test Fail Sample Count description Number of samples that fail postZ stencil test type Count PreZFailPercentage counters AMDStat_PreZQuadsCount AMDStat_FSQuadsCount AMDStat_PreHiZTotalQuadsCount name Fail % in PreZ Z and Stencil test description Percentage of pixels that failed preZ Z and stencil test in total number of rasterized pixels type Percentage PostZFailPercentage counters AMDStat_PostZSamplesFailingZ AMDStat_PostZSamplesFailingS AMDStat_PostZSamplesPassingZ AMDStat_PreZQuadsCount AMDStat_PostFSPixels AMDStat_PreHiZTotalQuadsCount name Fail % in PostZ Z and Stencil test description Percentage of pixels that failed postZ Z and stencil test in total number of rasterized pixels type Percentage PixelsRasterized counters AMDStat_PreHiZTotalQuadsCount name Pixels Rasterized description Total number of pixels rasterized type Count PixelsDrawn counters AMDStat_PixelsDrawn NumMRT name Pixels Drawn description Number of pixels written to color buffer type Count PixelsDrawnPercentage counters AMDStat_QuadsDrawn AMDStat_PreHiZTotalQuadsCount NumMRT name % of Pixels Drawn description Percentage of number of pixels written to color buffer in total number of rasterized pixels type Percentage FragmentsDrawn counters PixelsDrawn AMDStat_QuadsDrawn AMDStat_QuadFragmentsDrawn NumMRT name Fragments Drawn description Number of fragments written to color buffer type Count PixelsDiscardedPercentage counters AMDStat_PostFSPixels AMDStat_PSInvocations AMDStat_PreHiZTotalQuadsCount name % of Pixels Discarded in Shader description Percentage of number of pixels being discarded in shader in total number of pixels rasterized type Percentage PixelRate counters AMDStat_PixelsDrawn AMDStat_CBBusy AMDStat_GPU_Engine_Busy_Ticks name Pixel Rate description Number of pixels being rendered per GPU clock type Rate ALUInstructionPerInvocation counters AMDStat_Compute_Waves_Executed AMDStat_Compute_SALU_Insts AMDStat_Compute_VALU_Insts name ALU Instructions Executed Per Invocation description Total number of ALU instructions executed in each shader invocation type Count MemInstructionPerInvocation counters AMDStat_Compute_Waves_Executed AMDStat_Compute_VMEM_WR_Insts AMDStat_Compute_VMEM_RD_Insts AMDStat_Compute_SMEM_RD_Insts name Memory Instructions Executed Per Invocation description Total number of memory instructions executed in each shader invocation type Count ControlInstructionPerInvocation counters AMDStat_Compute_Waves_Executed AMDStat_Compute_BRANCH_Insts name Control Instructions Executed Per Invocation description Total number of control instructions executed in each shader invocation type Count ALUToMemRatio counters ALUInstructionPerInvocation MemInstructionPerInvocation name ALU to Memory Ratio in shaders description Number of ALU instructions per memory instruction type Rate LdsStallPerWavefront counters AMDStat_Compute_LDS_Wait AMDStat_Compute_WAIT_CNT_LGKM AverageWavefrontLatency AMDStat_Compute_Waves_Executed name % of LDS Stall in a Wavefront description Percentage of a shader wavefront being stalled by LDS access type Percentage ExportStallPerWavefront counters AMDStat_Compute_Wait_Export_Alloc AMDStat_Compute_WAIT_CNT_EXP AMDStat_Compute_Waves_Executed AverageWavefrontLatency name Export Stall % in a Shader Wavefront description Percentage of time a shader wavefront is stalled by export instructions type Percentage ROPStall counters AMDStat_ROPStalledTicks AMDStat_GPU_Engine_Busy_Ticks name ROP Stall description Percentage of GPU busy time being stalled by ROP type Percentage ZeroAreaCullPrims counters AMDStat_ZeroAreaCulledPrims name Number of Zero Area Culled Primitives description Number of number of primitives being culled due to having zero area coverage in total number of primitives submitted type Count ZeroAreaCullPrimsPercentage counters AMDStat_ZeroAreaCulledPrims PrimitivesSubmitted name Percentage of Zero Area Culled Primitives description Percentage of number of primitives being culled due to having zero area coverage in total number of primitives submitted type Percentage ClipperCullPrims counters AMDStat_ClippingCulledPrims name Number of Clipper Culled Primitives description Number of number of primitives being culled by clipper in total number of primitives submitted type Count ClipperCullPrimsPercentage counters AMDStat_ClippingCulledPrims PrimitivesSubmitted name Percentage of Clipper Culled Primitives description Percentage of number of primitives being culled by clipper in total number of primitives submitted type Percentage TextureUnitStall counters AMDStat_TexUnitStall name Texture Unit Stall description Percentage of GPU busy time the texture unit is stalled type Percentage TextureUnitBusy counters AMDStat_TexUnitBusy name Texture Unit Busy description Percentage of GPU busy time the texture unit is busy type Percentage TextureCacheMissRate counters AMDStat_TextureCacheHit AMDStat_TextureCacheMiss name Texture Cache Miss Rate description Percentage of time Texture Cache access is a Miss type Percentage VertexMemoryFetchLatency counters AMDStat_IAMemReadBin0 AMDStat_IAMemReadBin1 AMDStat_IAMemReadBin2 AMDStat_IAMemReadBin3 AMDStat_IAMemReadBin4 AMDStat_IAMemReadBin5 AMDStat_IAMemReadBin6 AMDStat_IAMemReadBin7 name Vertex Memory Fetch Latency description Average latency of vertex memory fetch in number of GPU clocks type Count PrimitiveRate counters AMDStat_FrontEndBusy AMDStat_FrontEndStall AMDStat_FrontEndStarvedBusy name Primitive Rate description Number of primitives processed per GPU clock type Rate VertexRate counters AMDStat_VSVerticesIn AMDStat_VSStalledTicks AMDStat_VSStarvedBusyTicks name Vertex Rate description Number of vertices processed per GPU clock during vertex pipe busy time type Rate PeakPrimitiveRate name Peak Primitive Rate per Clock description Peak primitive rate per GPU clock supported by this GPU. To reach peak primitive rate you have to have perfect vertex reuse. type Rate PeakVertexRate name Peak Vertex Rate per Clock description Peak vertex rate per GPU clock supported by this GPU type Rate PeakPixelRate name Peak Pixel Rate per Clock description Peak pixel rate per GPU clock supported by this GPU type Rate VertexRatePercentage counters PeakVertexRate VertexRate name Vertex Rate Percentage description Percentage of actual vertex rate in peak vertex rate type Percentage PrimitiveRatePercentage counters PeakPrimitiveRate PrimitiveRate name Primitive Rate Percentage description Percentage of actual primitiveR rate in peak primitive rate type Percentage PixelRatePercentage counters PeakPixelRate PixelRate name Pixel Rate Percentage description Percentage of actual pixel rate in peak pixel rate type Percentage ParameterCacheStall counters AMDStat_ParameterCacheStall name % of GPU time stalled by Full Parameter Cache description Percentage of GPU time VS workload is stalled due to parameter cache space. This can also be caused by backend not releasing parameter cache space fast enough. type Percentage MemoryStallPerWavefront counters AMDStat_Compute_Wait_Inst_VMEM AMDStat_Compute_WAIT_CNT_VM AMDStat_Compute_Waves_Executed AverageWavefrontLatency name Memory Stall % in Shader Wavefronts description Percentage of time a shader wavefront is stalled by memory operation type Percentage AverageWavefrontLatency counters AMDStat_Compute_Accum_Prev_Cycles AMDStat_Compute_Waves_Executed name Average latency of a Shader Wavefront description Average cycles each shader wavefront takes type Count AverageWavesInflight counters AMDStat_Compute_Accum_Prev_Cycles AMDStat_Compute_Busy_Cycles name Shader Wavefront Occupancy description Average Number of Shader Wavefront In Flight Per SIMD type Count NumMRT counters AMDStat_PostFSQuads AMDStat_PostFSExports name Number of MRT description Number of MRT being used type Count TessellatorBusy counters AMDStat_TessellatorBusy name Tessellator Busy description Percentage of GPU busy time the tessellator is busy type Percentage