src/compiler/dyncount.lisp

   1 ;;;; support for collecting dynamic vop statistics
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; This software is derived from the CMU CL system, which was
   7 ;;;; written at Carnegie Mellon University and released into the
   8 ;;;; public domain. The software is in the public domain and is
   9 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
  10 ;;;; files for more information.
  11
  12 (in-package "SB!DYNCOUNT")
  13
  14 (defvar *collect-dynamic-statistics* nil
  15   "When T, emit extra code to collect dynamic statistics about vop usages.")
  16
  17 (defvar *dynamic-counts-tn* nil
  18   "Holds the TN for the counts vector.")
  19
  20 (def!struct (dyncount-info)
  21   for
  22   (costs (missing-arg) :type (simple-array (unsigned-byte 32) (*)))
  23   (counts (missing-arg) :type (simple-array (unsigned-byte 32) (*))))
  24 (!set-load-form-method dyncount-info (:target))
  25
  26 (defprinter (dyncount-info)
  27   for
  28   costs
  29   counts)