biolatency.yaml

metrics:
  histograms:
    - name: bio_latency_seconds
      help: Block IO latency histogram
      bucket_type: exp2
      bucket_min: 0
      bucket_max: 27
      bucket_multiplier: 0.000001 # microseconds to seconds
      labels:
        - name: device
          size: 4
          decoders:
            - name: majorminor
        - name: operation
          size: 4
          decoders:
            - name: uint
            - name: static_map
              # Values from include/linux/blk_types.h
              # REQ_OP_ZONE_* values changed in v6.8-rc1 so they are
              # not mentioned here.
              static_map:
                0: read
                1: write
                2: flush
                3: discard
                5: secure_erase
                9: write_zeroes
                34: drv_in
                35: drv_out
        - name: bucket
          size: 8
          decoders:
            - name: uint