;;; FIXME: It might make sense to replace this with something
;;; with finer resolution, e.g. milliseconds or microseconds.
+;;; For that matter, maybe we should boost the internal clock
+;;; up to something faster, like milliseconds.
(defconstant +ticks-per-second+ internal-time-units-per-second)
\f
;;;; PCOUNTER
-;;; a PCOUNTER is used to represent an integer quantity which can grow
-;;; bigger than a fixnum, but typically does so, if at all, in many
-;;; small steps, where we don't want to cons on every step. (Total
-;;; system consing, time spent in a profiled function, and bytes
-;;; consed in a profiled function are all examples of such
+;;; a PCOUNTER is used to represent an unsigned integer quantity which
+;;; can grow bigger than a fixnum, but typically does so, if at all,
+;;; in many small steps, where we don't want to cons on every step.
+;;; (Total system consing, time spent in a profiled function, and
+;;; bytes consed in a profiled function are all examples of such
;;; quantities.)
(defstruct (pcounter (:copier nil))
- (integer 0 :type integer)
- (fixnum 0 :type fixnum))
+ (integer 0 :type unsigned-byte)
+ (fixnum 0 :type (and fixnum unsigned-byte)))
(declaim (ftype (function (pcounter integer) pcounter) incf-pcounter))
-(declaim (inline incf-pcounter))
+;;;(declaim (inline incf-pcounter)) ; FIXME: maybe inline when more stable
(defun incf-pcounter (pcounter delta)
(let ((sum (+ (pcounter-fixnum pcounter) delta)))
(cond ((typep sum 'fixnum)
pcounter)
(declaim (ftype (function (pcounter) integer) pcounter->integer))
-(declaim (inline pcounter->integer))
+;;;(declaim (inline pcounter->integer)) ; FIXME: maybe inline when more stable
(defun pcounter->integer (pcounter)
(+ (pcounter-integer pcounter)
(pcounter-fixnum pcounter)))
;;;; FIXNUM overflows.
(declaim (ftype (function ((or pcounter fixnum) integer) (or pcounter fixnum)) %incf-pcounter-or-fixnum))
-(declaim (inline %incf-pcounter-or-fixnum))
+;;;(declaim (inline %incf-pcounter-or-fixnum)) ; FIXME: maybe inline when more stable
(defun %incf-pcounter-or-fixnum (x delta)
(etypecase x
(fixnum
;;; name. This holds the functions that we call to manipulate the
;;; closure which implements the encapsulation.
(defvar *profiled-function-name->info* (make-hash-table))
-(defstruct profile-info
+(defstruct (profile-info (:copier nil))
(name (required-argument) :read-only t)
(encapsulated-fun (required-argument) :type function :read-only t)
(encapsulation-fun (required-argument) :type function :read-only t)
(declaim (type (or pcounter fixnum) *enclosed-profiles*))
;;; the components of profiling overhead
-(defstruct overhead
+(defstruct (overhead (:copier nil))
;; the number of ticks a bare function call takes. This is
;; factored into the other overheads, but not used for itself.
(call (required-argument) :type single-float :read-only t)
\f
;;;; reporting results
-(defstruct time-info
+(defstruct (time-info (:copier nil))
name
calls
seconds