How do I listen in iOS? how does FPS, navigate to the code through the exception of FPS?

  1. when developing iOS applications, how do I use the Instruments tool to monitor how FPS, locates to the code that causes the problem through the exception of FPS?
Fps ios
Feb.28,2021

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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-64f5-1e55013-43fb2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e55013-43fb2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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