How does Nginx determine worker process binding CPU information

how can I check the binding confirmation after I use worker_cpu_affinity to bind CPU?
using worker_processes auto; worker_cpu_affinity auto;, is it best to automatically bind each worker process to each cpu?

Apr.29,2022
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3a866-2c22b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3a866-2c22b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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