What is the relationship between following metrics?

lts__t_sectors_op_read.sum,lts__t_sectors_srcnode_gpc_op_read.sum,lts__t_sectors_srcunit_l1_op_read.sum,lts__t_sectors_srcunit_tex_op_read.sum

The L2 cache can filter counters by srcnode or srcunit.
srcnode - group of units

  • gpc - SM L1, constant caches, and parts of the 3D pipeline (e.g. rop)
  • hub - front end, compute scheduler, copy engines, video accelerators, MMU, display controller, performance monitor, etc.
  • fbp - compression unit, ltcfabric, … (rop on older GPUs)

srcunit - individual units

  • tex - SM L1TEX unit
  • l1 - I need to check but I think this will be 0 for all chips. l1 was used for Fermi and Kepler which had separate L1 and TEX units.
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