(in-package "SB!IMPL")
-(defconstant internal-time-units-per-second 100
+(defconstant sb!xc:internal-time-units-per-second 1000
#!+sb-doc
"The number of internal time units that fit into a second. See
GET-INTERNAL-REAL-TIME and GET-INTERNAL-RUN-TIME.")
(defconstant micro-seconds-per-internal-time-unit
- (/ 1000000 internal-time-units-per-second))
+ (/ 1000000 sb!xc:internal-time-units-per-second))
\f
;;; The base number of seconds for our internal "epoch". We initialize
;;; this to the time of the first call to GET-INTERNAL-REAL-TIME, and
(defun get-internal-real-time ()
#!+sb-doc
"Return the real time in the internal time format. This is useful for
- finding elapsed time. See Internal-Time-Units-Per-Second."
+ finding elapsed time. See INTERNAL-TIME-UNITS-PER-SECOND."
;; FIXME: See comment on OPTIMIZE declaration in GET-INTERNAL-RUN-TIME.
(declare (optimize (speed 3) (safety 3)))
(multiple-value-bind (ignore seconds useconds) (sb!unix:unix-gettimeofday)
(truly-the (unsigned-byte 32)
(+ (the (unsigned-byte 32)
(* (the (unsigned-byte 32) (- seconds base))
- internal-time-units-per-second))
+ sb!xc:internal-time-units-per-second))
uint)))
(t
(setq *internal-real-time-base-seconds* seconds)
uint)))))
-#!-(and sparc svr4)
(defun get-internal-run-time ()
#!+sb-doc
"Return the run time in the internal time format. This is useful for
;; documented anywhere and the observed behavior is to
;; sometimes return 1000000 exactly.)
(type (integer 0 1000000) utime-usec stime-usec))
- (+ (the (unsigned-byte 32)
- (* (the (unsigned-byte 32) (+ utime-sec stime-sec))
- internal-time-units-per-second))
- (truncate (+ utime-usec stime-usec)
- micro-seconds-per-internal-time-unit))))
-#!+(and sparc svr4)
-(defun get-internal-run-time ()
- #!+sb-doc
- "Return the run time in the internal time format. This is useful for
- finding CPU usage."
- (declare (values (unsigned-byte 32)))
- ;; FIXME: See comment on OPTIMIZE declaration in other
- ;; version of GET-INTERNAL-RUN-TIME.
- (declare (optimize (speed 3) (safety 3)))
- (multiple-value-bind (ignore utime stime cutime cstime)
- (sb!unix:unix-times)
- (declare (ignore ignore cutime cstime)
- (type (unsigned-byte 31) utime stime))
- (the (unsigned-byte 32) (+ utime stime))))
+ (let ((result (+ (the (unsigned-byte 32)
+ (* (the (unsigned-byte 32) (+ utime-sec stime-sec))
+ sb!xc:internal-time-units-per-second))
+ (floor (+ utime-usec
+ stime-usec
+ (floor micro-seconds-per-internal-time-unit 2))
+ micro-seconds-per-internal-time-unit))))
+ result)))
\f
;;;; Encode and decode universal times.
;;; Returns two values:
;;; - the minutes west of GMT.
;;; - T if daylight savings is in effect, NIL if not.
-(sb!alien:def-alien-routine get-timezone sb!c-call:void
+(sb!alien:define-alien-routine get-timezone sb!c-call:void
(when sb!c-call:long :in)
(minutes-west sb!c-call:int :out)
(daylight-savings-p sb!alien:boolean :out))
(defun get-universal-time ()
#!+sb-doc
- "Returns a single integer for the current time of
+ "Return a single integer for the current time of
day in universal time format."
(multiple-value-bind (res secs) (sb!unix:unix-gettimeofday)
(declare (ignore res))
(defun get-decoded-time ()
#!+sb-doc
- "Returns nine values specifying the current time as follows:
+ "Return nine values specifying the current time as follows:
second, minute, hour, date, month, year, day of week (0 = Monday), T
(daylight savings times) or NIL (standard time), and timezone."
(decode-universal-time (get-universal-time)))
(defmacro time (form)
#!+sb-doc
- "Evaluates the Form and prints timing information on *Trace-Output*."
- `(%time #'(lambda () ,form)))
-
-;;; Try to compile the closure arg to %TIME if it is interpreted.
-(defun massage-time-function (fun)
- (cond
- ((sb!eval:interpreted-function-p fun)
- (multiple-value-bind (def env-p) (function-lambda-expression fun)
- (declare (ignore def))
- (cond
- (env-p
- (warn "TIME form in a non-null environment, forced to interpret.~@
- Compiling entire form will produce more accurate times.")
- fun)
- (t
- (compile nil fun)))))
- (t fun)))
+ "Execute FORM and print timing information on *TRACE-OUTPUT*."
+ `(%time (lambda () ,form)))
-;;; Return all the files that we want time to report.
+;;; Return all the data that we want TIME to report.
(defun time-get-sys-info ()
(multiple-value-bind (user sys faults) (sb!sys:get-system-info)
(values user sys faults (get-bytes-consed))))
;;; The guts of the TIME macro. Compute overheads, run the (compiled)
;;; function, report the times.
(defun %time (fun)
- (let ((fun (massage-time-function fun))
- old-run-utime
+ (let (old-run-utime
new-run-utime
old-run-stime
new-run-stime
~S page fault~:P and~% ~
~S bytes consed.~%"
(max (/ (- new-real-time old-real-time)
- (float internal-time-units-per-second))
+ (float sb!xc:internal-time-units-per-second))
0.0)
(max (/ (- new-run-utime old-run-utime) 1000000.0) 0.0)
(max (/ (- new-run-stime old-run-stime) 1000000.0) 0.0)
(unless (zerop gc-run-time)
(/ (float gc-run-time)
- (float internal-time-units-per-second)))
+ (float sb!xc:internal-time-units-per-second)))
(max (- new-page-faults old-page-faults) 0)
(max (- new-bytes-consed old-bytes-consed) 0)))))))
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