[mem] Introduce PoolStats dataclass; unify pool metrics and token_usage#22554
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[mem] Introduce PoolStats dataclass; unify pool metrics and token_usage#22554
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hnyls2002
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Summary
PoolStatsdataclass to replace raw tuple returns from_get_token_info,_get_swa_token_info,_get_mamba_token_infoget_pool_stats()as a single entry point that dispatches by pool type (supports swa + ssm coexistence)PoolStatsmethods:get_general_token_stats(),get_general_memory_usage(),get_prefill_usage_msg_parts(),get_decode_usage_msg_parts()scheduler_metrics_mixin.pythat each had 10-30 line if/elif/else chainsNet -17 lines. No behavioral change to mem checker logic.
Test plan
test_scheduler_pause_generation.py)/rerun-test test_scheduler_pause_generation.py