Date: Sun, 4 Apr 2021 17:39:31 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 89619b747bcf - main - Add sysctl debug.uma_reclaim Message-ID: <202104041739.134HdVYt000621@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=89619b747bcff379dca98e975a98865a45366417 commit 89619b747bcff379dca98e975a98865a45366417 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-04-04 16:28:14 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-04-04 17:39:06 +0000 Add sysctl debug.uma_reclaim Sponsored by: The FreeBSD Foundation MFC after: 1 week --- sys/vm/vm_kern.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/sys/vm/vm_kern.c b/sys/vm/vm_kern.c index f767f01acaa5..77d9a4105862 100644 --- a/sys/vm/vm_kern.c +++ b/sys/vm/vm_kern.c @@ -903,3 +903,23 @@ debug_vm_lowmem(SYSCTL_HANDLER_ARGS) SYSCTL_PROC(_debug, OID_AUTO, vm_lowmem, CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RW, 0, 0, debug_vm_lowmem, "I", "set to trigger vm_lowmem event with given flags"); + +static int +debug_uma_reclaim(SYSCTL_HANDLER_ARGS) +{ + int error, i; + + i = 0; + error = sysctl_handle_int(oidp, &i, 0, req); + if (error != 0) + return (error); + if (i != UMA_RECLAIM_TRIM && i != UMA_RECLAIM_DRAIN && + i != UMA_RECLAIM_DRAIN_CPU) + return (EINVAL); + uma_reclaim(i); + return (0); +} + +SYSCTL_PROC(_debug, OID_AUTO, uma_reclaim, + CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RW, 0, 0, debug_uma_reclaim, "I", + "set to generate request to reclaim uma caches");
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