From: "Ludovic Courtès" <ludo@gnu.org>
To: 58631@debbugs.gnu.org
Subject: bug#58631: [Shepherd] Indefinite heap growth (memory leak)
Date: Sat, 29 Oct 2022 12:01:57 +0200 [thread overview]
Message-ID: <87r0yrymlm.fsf@gnu.org> (raw)
In-Reply-To: <87ilkb4n5l.fsf_-_@gnu.org> ("Ludovic Courtès"'s message of "Sat, 22 Oct 2022 22:29:58 +0200")
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The attached Fibers program illustrates the problem: heap grows even
though it’s not supposed to.
Ludo’.
[-- Attachment #2: the program --]
[-- Type: text/plain, Size: 893 bytes --]
;; https://issues.guix.gnu.org/58631
(use-modules (fibers)
(fibers channels)
(ice-9 rdelim)
(statprof))
(run-fibers
(lambda ()
(define channel
(make-channel))
(define leave-channel
(make-channel))
(spawn-fiber
(lambda ()
(sleep 10)
(put-message leave-channel 'leave)))
(spawn-fiber
(lambda ()
(let loop ()
(put-message channel 'hi!)
(get-message channel)
(loop))))
(spawn-fiber
(lambda ()
(let loop ()
(get-message channel)
(put-message channel 'hey!)
(loop))))
(spawn-fiber
(lambda ()
(let loop ()
(pk 'heap-size (assoc-ref (gc-stats) 'heap-size))
(sleep 2)
(loop))))
(get-message leave-channel))
;; #:drain? #t
#:parallelism 1 ;don't create POSIX threads
#:hz 0)
next prev parent reply other threads:[~2022-10-29 10:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-19 12:17 bug#58631: Shepherd crash on berlin Ludovic Courtès
2022-10-19 16:24 ` Ludovic Courtès
2022-10-20 9:29 ` Ludovic Courtès
2022-10-21 13:07 ` Liliana Marie Prikler
2022-10-22 20:20 ` bug#58631: [Shepherd] Indefinite heap growth (memory leak) Ludovic Courtès
2022-10-22 20:21 ` Ludovic Courtès
2022-10-22 20:29 ` Ludovic Courtès
2022-10-29 10:01 ` Ludovic Courtès [this message]
2022-10-29 14:54 ` Maxime Devos
2022-10-30 9:39 ` Ludovic Courtès
2022-11-06 22:45 ` Ludovic Courtès
2022-11-07 10:43 ` Ludovic Courtès
2022-11-10 8:51 ` Ludovic Courtès
2022-11-11 10:55 ` Ludovic Courtès
2022-10-20 17:49 ` Joshua Branson via Bug reports for GNU Guix
2022-10-20 21:46 ` Ludovic Courtès
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