;;;; DYNAMIC-USAGE and friends
(declaim (special sb!vm:*read-only-space-free-pointer*
- sb!vm:*static-space-free-pointer*))
+ sb!vm:*static-space-free-pointer*))
(eval-when (:compile-toplevel :execute)
(sb!xc:defmacro def-c-var-fun (lisp-fun c-var-name)
(format t "Control stack usage is: ~10:D bytes.~%" (control-stack-usage))
(format t "Binding stack usage is: ~10:D bytes.~%" (binding-stack-usage))
#!+sb-thread
- (format t
- "Control and binding stack usage is for the current thread only.~%")
+ (format t
+ "Control and binding stack usage is for the current thread only.~%")
(format t "Garbage collection is currently ~:[enabled~;DISABLED~].~%"
- (> *gc-inhibit* 0)))
+ (> *gc-inhibit* 0)))
(defun room-intermediate-info ()
(room-minimal-info)
(sb!vm:memory-usage :count-spaces '(:dynamic)
- :print-spaces t
- :cutoff 0.05f0
- :print-summary nil))
+ :print-spaces t
+ :cutoff 0.05f0
+ :print-summary nil))
(defun room-maximal-info ()
;; FIXME: SB!VM:INSTANCE-USAGE calls suppressed until bug 344 is fixed
(declaim (type (or index null) *gc-trigger*))
(defvar *gc-trigger* nil)
-;;; When T, indicates that a GC should have happened but did not due to
-;;; *GC-INHIBIT*.
+;;; When T, indicates that a GC should have happened but did not due to
+;;; *GC-INHIBIT*.
(defvar *need-to-collect-garbage* nil) ; initialized in cold init
\f
;;;; internal GC
;;;; SUB-GC
;;; SUB-GC does a garbage collection. This is called from three places:
-;;; (1) The C runtime will call here when it detects that we've consed
+;;; (1) The C runtime will call here when it detects that we've consed
;;; enough to exceed the gc trigger threshold. This is done in
;;; alloc() for gencgc or interrupt_maybe_gc() for cheneygc
;;; (2) The user may request a collection using GC, below
;;; For GENCGC all generations < GEN will be GC'ed.
-(defvar *already-in-gc*
+(defvar *already-in-gc*
(sb!thread:make-mutex :name "GC lock") "ID of thread running SUB-GC")
(defun sub-gc (&key (gen 0))
(setf *need-to-collect-garbage* t)
(when (zerop *gc-inhibit*)
(sb!thread:with-mutex (*already-in-gc*)
- (let ((old-usage (dynamic-usage))
- (new-usage 0))
- (unsafe-clear-roots)
- ;; We need to disable interrupts for GC, but we also want
- ;; to run as little as possible without them.
- (without-interrupts
- (gc-stop-the-world)
- (collect-garbage gen)
- (setf *need-to-collect-garbage* nil
- new-usage (dynamic-usage))
- (gc-start-the-world))
- ;; Interrupts re-enabled, but still inside the mutex.
- ;; In a multithreaded environment the other threads will
- ;; see *n-b-f-o-p* change a little late, but that's OK.
- (let ((freed (- old-usage new-usage)))
- ;; GENCGC occasionally reports negative here, but the
- ;; current belief is that it is part of the normal order
- ;; of things and not a bug.
- (when (plusp freed)
- (incf *n-bytes-freed-or-purified* freed)))))
+ (let ((old-usage (dynamic-usage))
+ (new-usage 0))
+ (unsafe-clear-roots)
+ ;; We need to disable interrupts for GC, but we also want
+ ;; to run as little as possible without them.
+ (without-interrupts
+ (gc-stop-the-world)
+ (collect-garbage gen)
+ (setf *need-to-collect-garbage* nil
+ new-usage (dynamic-usage))
+ (gc-start-the-world))
+ ;; Interrupts re-enabled, but still inside the mutex.
+ ;; In a multithreaded environment the other threads will
+ ;; see *n-b-f-o-p* change a little late, but that's OK.
+ (let ((freed (- old-usage new-usage)))
+ ;; GENCGC occasionally reports negative here, but the
+ ;; current belief is that it is part of the normal order
+ ;; of things and not a bug.
+ (when (plusp freed)
+ (incf *n-bytes-freed-or-purified* freed)))))
;; Outside the mutex, these may cause another GC. FIXME: it can
;; potentially exceed maximum interrupt nesting by triggering
;; GCs.
(run-pending-finalizers)
(dolist (hook *after-gc-hooks*)
- (handler-case
- (funcall hook)
- (error (c)
- (warn "Error calling after GC hook ~S:~% ~S" hook c)))))))
+ (handler-case
+ (funcall hook)
+ (error (c)
+ (warn "Error calling after GC hook ~S:~% ~S" hook c)))))))
;;; This is the user-advertised garbage collection function.
(defun gc (&key (gen 0) (full nil) &allow-other-keys)
"Return the amount of memory that will be allocated before the next garbage
collection is initiated. This can be set with SETF."
(sb!alien:extern-alien "bytes_consed_between_gcs"
- (sb!alien:unsigned 32)))
+ (sb!alien:unsigned 32)))
(defun (setf bytes-consed-between-gcs) (val)
(declare (type index val))
(setf (sb!alien:extern-alien "bytes_consed_between_gcs"
- (sb!alien:unsigned 32))
- val))
+ (sb!alien:unsigned 32))
+ val))
;;; FIXME: Aren't these utterly wrong if called inside WITHOUT-GCING?
;;; Unless something that works there too can be deviced this fact
projects / sbcl.git / blobdiff