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PSB CSYNC

Profiling Synchronization Barrier. This instruction is a barrier that ensures that all existing profiling data for the current PE has been formatted, and profiling buffer addresses have been translated such that all writes to the profiling buffer have been initiated. A following DSB instruction completes when the writes to the profiling buffer have completed.

If the Statistical Profiling Extension is not implemented, this instruction executes as a NOP.

System
(Armv8.2)

313029282726252423222120191817161514131211109876543210
11010101000000110010001000111111
CRmop2

System

PSB CSYNC

if !HaveStatisticalProfiling() then EndOfInstruction();

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