X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Ftimer.impure.lisp;h=734d810829820c85206fa0a62bbad9ebb10bb470;hb=31f68584d0732dc0d17f379773e5f87f1e5a78ad;hp=32b245e12cb4104185da50dc1e198832593bb338;hpb=62e8cf70b09b73b8a94c303c28d4f4721135bae9;p=sbcl.git diff --git a/tests/timer.impure.lisp b/tests/timer.impure.lisp index 32b245e..734d810 100644 --- a/tests/timer.impure.lisp +++ b/tests/timer.impure.lisp @@ -13,12 +13,83 @@ (use-package :test-util) +(with-test (:name :heap) + (let* ((size 1000) + (heap (make-array size :adjustable t :fill-pointer 0)) + (unsorted (loop for i below size collect (random size))) + (sorted (sort (copy-list unsorted) #'>=)) + heap-sorted) + (map nil #'(lambda (val) (sb-impl::heap-insert heap val)) unsorted) + (setf heap-sorted (loop for i below size + collect (sb-impl::heap-extract-maximum heap))) + (unless (equal sorted heap-sorted) + (error "Heap sort failure ~S" heap-sorted)))) + +(sb-alien:define-alien-routine "check_deferrables_blocked_or_lose" + void + (where sb-alien:unsigned-long)) +(sb-alien:define-alien-routine "check_deferrables_unblocked_or_lose" + void + (where sb-alien:unsigned-long)) + +(defun make-limited-timer (fn n &rest args) + (let (timer) + (setq timer + (apply #'sb-ext:make-timer + (lambda () + (sb-sys:without-interrupts + (decf n) + (cond ((minusp n) + (warn "Unscheduling timer ~A ~ + upon reaching run limit. System too slow?" + timer) + (sb-ext:unschedule-timer timer)) + (t + (sb-sys:allow-with-interrupts + (funcall fn)))))) + args)))) + +(defun make-and-schedule-and-wait (fn time) + (let ((finishedp nil)) + (sb-ext:schedule-timer (sb-ext:make-timer + (lambda () + (sb-sys:without-interrupts + (unwind-protect + (sb-sys:allow-with-interrupts + (funcall fn)) + (setq finishedp t))))) + time) + (loop until finishedp))) + +(with-test (:name (:timer :deferrables-blocked) :skipped-on :win32) + (make-and-schedule-and-wait (lambda () + (check-deferrables-blocked-or-lose 0)) + (random 0.1)) + (check-deferrables-unblocked-or-lose 0)) + +(with-test (:name (:timer :deferrables-unblocked) :skipped-on :win32) + (make-and-schedule-and-wait (lambda () + (sb-sys:with-interrupts + (check-deferrables-unblocked-or-lose 0))) + (random 0.1)) + (check-deferrables-unblocked-or-lose 0)) + +(with-test (:name (:timer :deferrables-unblocked :unwind) :skipped-on :win32) + (catch 'xxx + (make-and-schedule-and-wait (lambda () + (check-deferrables-blocked-or-lose 0) + (throw 'xxx nil)) + (random 0.1)) + (sleep 1)) + (check-deferrables-unblocked-or-lose 0)) + (defmacro raises-timeout-p (&body body) `(handler-case (progn (progn ,@body) nil) (sb-ext:timeout () t))) (with-test (:name (:timer :relative) - :fails-on '(and :sparc :linux)) + :fails-on '(and :sparc :linux) + :skipped-on :win32) (let* ((has-run-p nil) (timer (make-timer (lambda () (setq has-run-p t)) :name "simple timer"))) @@ -30,7 +101,8 @@ (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*)))))) (with-test (:name (:timer :absolute) - :fails-on '(and :sparc :linux)) + :fails-on '(and :sparc :linux) + :skipped-on :win32) (let* ((has-run-p nil) (timer (make-timer (lambda () (setq has-run-p t)) :name "simple timer"))) @@ -41,16 +113,14 @@ (assert has-run-p) (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*)))))) -#+sb-thread -(with-test (:name (:timer :other-thread)) - (let* ((thread (sb-thread:make-thread (lambda () (sleep 2)))) +(with-test (:name (:timer :other-thread) :skipped-on '(not :sb-thread)) + (let* ((thread (make-kill-thread (lambda () (sleep 2)))) (timer (make-timer (lambda () (assert (eq thread sb-thread:*current-thread*))) :thread thread))) (schedule-timer timer 0.1))) -#+sb-thread -(with-test (:name (:timer :new-thread)) +(with-test (:name (:timer :new-thread) :skipped-on '(not :sb-thread)) (let* ((original-thread sb-thread:*current-thread*) (timer (make-timer (lambda () @@ -60,7 +130,8 @@ (schedule-timer timer 0.1))) (with-test (:name (:timer :repeat-and-unschedule) - :fails-on '(and :sparc :linux)) + :fails-on '(and :sparc :linux) + :skipped-on :win32) (let* ((run-count 0) timer) (setq timer @@ -74,7 +145,7 @@ (assert (not (timer-scheduled-p timer))) (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*)))))) -(with-test (:name (:timer :reschedule)) +(with-test (:name (:timer :reschedule) :skipped-on :win32) (let* ((has-run-p nil) (timer (make-timer (lambda () (setq has-run-p t))))) @@ -84,30 +155,39 @@ (assert has-run-p) (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*)))))) -(with-test (:name (:timer :stress)) +(with-test (:name (:timer :stress) :skipped-on :win32) (let ((time (1+ (get-universal-time)))) (loop repeat 200 do - (schedule-timer (make-timer (lambda ())) time :absolute-p t)) + (schedule-timer (make-timer (lambda ())) time :absolute-p t)) (sleep 2) (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*)))))) -(with-test (:name (:with-timeout :timeout)) +(with-test (:name (:timer :stress2) :skipped-on :win32) + (let ((time (1+ (get-universal-time))) + (n 0)) + (loop for time-n from time upto (+ 1/10 time) by (/ 1/10 200) + do (schedule-timer (make-timer (lambda ())) time-n :absolute-p t) + (incf n)) + (sleep 2) + (assert (zerop (length (sb-impl::%pqueue-contents sb-impl::*schedule*)))))) + +(with-test (:name (:with-timeout :timeout) :skipped-on :win32) (assert (raises-timeout-p (sb-ext:with-timeout 0.2 (sleep 1))))) -(with-test (:name (:with-timeout :fall-through)) +(with-test (:name (:with-timeout :fall-through) :skipped-on :win32) (assert (not (raises-timeout-p (sb-ext:with-timeout 0.3 (sleep 0.1)))))) -(with-test (:name (:with-timeout :nested-timeout-smaller)) +(with-test (:name (:with-timeout :nested-timeout-smaller) :skipped-on :win32) (assert(raises-timeout-p (sb-ext:with-timeout 10 (sb-ext:with-timeout 0.5 (sleep 2)))))) -(with-test (:name (:with-timeout :nested-timeout-bigger)) +(with-test (:name (:with-timeout :nested-timeout-bigger) :skipped-on :win32) (assert(raises-timeout-p (sb-ext:with-timeout 0.5 (sb-ext:with-timeout 2 @@ -116,8 +196,8 @@ (defun wait-for-threads (threads) (loop while (some #'sb-thread:thread-alive-p threads) do (sleep 0.01))) -#+sb-thread -(with-test (:name (:with-timeout :many-at-the-same-time)) +(with-test (:name (:with-timeout :many-at-the-same-time) + :skipped-on '(not :sb-thread)) (let ((ok t)) (let ((threads (loop repeat 10 collect (sb-thread:make-thread @@ -134,9 +214,8 @@ (wait-for-threads threads))))) (assert ok)))) -#+sb-thread -(with-test (:name (:with-timeout :dead-thread)) - (sb-thread:make-thread +(with-test (:name (:with-timeout :dead-thread) :skipped-on '(not :sb-thread)) + (make-join-thread (lambda () (let ((timer (make-timer (lambda ())))) (schedule-timer timer 3) @@ -150,8 +229,7 @@ ;;; FIXME: Since timeouts do not work on Windows this would loop ;;; forever. -#-win32 -(with-test (:name (:hash-cache :interrupt)) +(with-test (:name (:hash-cache :interrupt) :skipped-on :win32) (let* ((type1 (random-type 500)) (type2 (random-type 500)) (wanted (subtypep type1 type2))) @@ -165,54 +243,66 @@ (loop (assert (eq wanted (subtypep type1 type2)))))))) -#+sb-thread -(with-test (:name (:timer :parallel-unschedule)) +;;; Used to hang occasionally at least on x86. Two bugs caused it: +;;; running out of stack (due to repeating timers being rescheduled +;;; before they ran) and dying threads were open interrupts. +(with-test (:name (:timer :parallel-unschedule) + :skipped-on '(not :sb-thread) + :broken-on ':ppc) (let ((timer (sb-ext:make-timer (lambda () 42) :name "parallel schedulers")) (other nil)) (flet ((flop () (sleep (random 0.01)) (loop repeat 10000 do (sb-ext:unschedule-timer timer)))) - (loop repeat 5 - do (mapcar #'sb-thread:join-thread - (loop for i from 1 upto 10 - collect (let* ((thread (sb-thread:make-thread #'flop - :name (format nil "scheduler ~A" i))) - (ticker (sb-ext:make-timer (lambda () 13) :thread (or other thread) - :name (format nil "ticker ~A" i)))) - (setf other thread) - (sb-ext:schedule-timer ticker 0 :repeat-interval 0.00001) - thread))))))) + (sb-sys:with-deadline (:seconds 30) + (loop repeat 5 + do (mapcar #'sb-thread:join-thread + (loop for i from 1 upto 10 + collect (let* ((thread (sb-thread:make-thread #'flop + :name (format nil "scheduler ~A" i))) + (ticker (make-limited-timer (lambda () 13) + 1000 + :thread (or other thread) + :name (format nil "ticker ~A" i)))) + (setf other thread) + (sb-ext:schedule-timer ticker 0 :repeat-interval 0.00001) + thread)))))))) ;;;; FIXME: OS X 10.4 doesn't like these being at all, and gives us a SIGSEGV ;;;; instead of using the Mach expection system! 10.5 on the other tends to -;;;; lose() where with interrupt already pending. :/ +;;;; lose() here with interrupt already pending. :/ ;;;; -;;;; FIXME: This test also occasionally hangs on Linux/x86-64 at least. The -;;;; common feature is one thread in gc_stop_the_world, and another trying to -;;;; signal_interrupt_thread, but both (apparently) getting EAGAIN repeatedly. -;;;; Exactly how or why this is happening remains under investigation -- but -;;;; it seems plausible that the fast timers simply fill up the interrupt -;;;; queue completely. (On some occasions the process unwedges itself after -;;;; a few minutes, but not always.) -(with-test (:name (:timer :schedule-stress)) +;;;; Used to have problems in genereal, see comment on (:TIMER +;;;; :PARALLEL-UNSCHEDULE). +(with-test (:name (:timer :schedule-stress) :skipped-on :win32) (flet ((test () - (let* ((slow-timers (loop for i from 1 upto 100 - collect (sb-ext:make-timer (lambda () 13) :name (format nil "slow ~A" i)))) - (fast-timer (sb-ext:make-timer (lambda () 42) :name "fast"))) - (sb-ext:schedule-timer fast-timer 0.0001 :repeat-interval 0.0001) - (dolist (timer slow-timers) - (sb-ext:schedule-timer timer (random 0.1) :repeat-interval (random 0.1))) - (dolist (timer slow-timers) - (sb-ext:unschedule-timer timer)) - (sb-ext:unschedule-timer fast-timer)))) - #+sb-thread - (mapcar #'sb-thread:join-thread (loop repeat 10 collect (sb-thread:make-thread #'test))) - #-sb-thread - (loop repeat 10 do (test)))) - -#+sb-thread -(with-test (:name (:timer :threaded-stress)) + (let* ((slow-timers + (loop for i from 1 upto 1 + collect (make-limited-timer + (lambda () 13) + 1000 + :name (format nil "slow ~A" i)))) + (fast-timer (make-limited-timer (lambda () 42) 1000 + :name "fast"))) + (sb-ext:schedule-timer fast-timer 0.0001 :repeat-interval 0.0001) + (dolist (timer slow-timers) + (sb-ext:schedule-timer timer (random 0.1) + :repeat-interval (random 0.1))) + (dolist (timer slow-timers) + (sb-ext:unschedule-timer timer)) + (sb-ext:unschedule-timer fast-timer)))) + #+sb-thread + (mapcar #'sb-thread:join-thread + (loop repeat 10 collect (sb-thread:make-thread #'test))) + #-sb-thread + (loop repeat 10 do (test)))) + +(with-test (:name (:timer :threaded-stress) + :skipped-on '(not :sb-thread) + :fails-on :win32) + #+win32 + (error "fixme") (let ((barrier (sb-thread:make-semaphore)) (goal 100)) (flet ((wait-for-goal () @@ -236,3 +326,29 @@ (dolist (thread threads) (sched thread))) (mapcar #'sb-thread:join-thread threads))))) + +;; SB-THREAD:MAKE-THREAD used to lock SB-THREAD:*MAKE-THREAD-LOCK* +;; before entering WITHOUT-INTERRUPTS. When a thread which was +;; executing SB-THREAD:MAKE-THREAD was interrupted with code which +;; also called SB-THREAD:MAKE-THREAD, it could happen that the first +;; thread already owned SB-THREAD:*MAKE-THREAD-LOCK* and the +;; interrupting code thus made a recursive lock attempt. A timer with +;; :THREAD T or :THREAD could +;; also trigger this problem. +;; +;; See (MAKE-THREAD :INTERRUPT-WITH MAKE-THREAD :BUG-1180102) in +;; threads.pure.lisp. +(with-test (:name (:timer :dispatch-thread :make-thread :bug-1180102) + :skipped-on '(not :sb-thread)) + (flet ((test (thread) + (let ((timer (make-timer (lambda ()) :thread thread))) + (schedule-timer timer .01 :repeat-interval 0.1) + (dotimes (i 100) + (let ((threads '())) + (dotimes (i 100) + (push (sb-thread:make-thread (lambda () (sleep .01))) + threads)) + (mapc #'sb-thread:join-thread threads))) + (unschedule-timer timer)))) + (test t) + (test sb-thread:*current-thread*)))