SQL Server resolves general step for high CPU usage

The first step:

See if these CPUs are used by SQL Server.

Step Two:

Determine if SQL Server has raised a 17883\17884 error

Step Three:

Find out which statements are optimized using the highest CPU. (Sys.dm_exec_query_stats Sys.exec_sql_text)

Sys.dm_exec_query_stats.total_work_time represents the time taken to occupy the CPU.

Sys.dm_exec_query_stats.plan_generate_num represents the number of times the compilation is focused. ---Compilation is also CPU-bound.

Fourth Step:

Reduce system load and upgrade hardware.

SQL Server resolves general step for high CPU usage