Library /sys$common/syshlp/pca$help.hlb SHOW, VPC_SAMPLING, Examples  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  PCAC> SHOW VPC_SAMPLING
  Gathering vector PCA sampling data with /STACK_PCS, AST Timer
  Interval is 10 ms.

      This command shows that vector PC sampling data is collected
      with stack PCs, that the sampling interval is 10 milliseconds,
      and that the AST Timer Interval is 10 milliseconds.