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Add SerializedAtomicRatio counter (#327)

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Co-authored-by: Benjamin Welton <bewelton@amd.com>

[ROCm/rocprofiler-sdk commit: f143333df0]
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Welton, BenjaminandBenjamin Welton authored and GitHub committed 2025-04-15 13:36:34 -07:00
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projects/rocprofiler-sdk/source/lib/rocprofiler-sdk/counters/yaml/counter_defs.yaml
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@@ -5761,3 +5761,10 @@ vL1dWriteToL2Latency:
gfx90a:
expression: TCP_TCC_WRITE_REQ_LATENCY_sum/(TCP_TCC_WRITE_REQ_sum+TCP_TCC_ATOMIC_WITHOUT_RET_REQ_sum)
description: 'Unit: cycles'
SerializedAtomicRatio:
architectures:
gfx950/gfx942/gfx941/gfx940/gfx90a:
expression: TCP_ATOMIC_TAGCONFLICT_STALL_CYCLES_sum/TCP_GATE_EN1_sum
description: Ratio of cycles spent waiting on serialized atomic accesses caused by contention
(access to the same atomic) over total number of cycles spent on atomic operations. Values
greater than 0.10 indicate contention is high and might be worth addressing.