Date: Fri, 13 Oct 2023 23:54:00 GMT From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 46d5611b8796 - stable/13 - vfs: count calls to uma_reclaim in vnlru Message-ID: <202310132354.39DNs0Fe032485@gitrepo.freebsd.org>
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The branch stable/13 has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=46d5611b8796328b4e326c319cd896f6cd1600f4 commit 46d5611b8796328b4e326c319cd896f6cd1600f4 Author: Mateusz Guzik <mjg@FreeBSD.org> AuthorDate: 2023-10-11 22:48:03 +0000 Commit: Mateusz Guzik <mjg@FreeBSD.org> CommitDate: 2023-10-13 23:48:14 +0000 vfs: count calls to uma_reclaim in vnlru (cherry picked from commit bb679b0c49094757f2aef3d8fe46c41dc8192fea) --- sys/kern/vfs_subr.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index a8e4714a7a79..2be83da5d73f 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -1728,6 +1728,10 @@ vnlru_proc_light(void) return (true); } +static u_long uma_reclaim_calls; +SYSCTL_ULONG(_vfs_vnode_vnlru, OID_AUTO, uma_reclaim_calls, CTLFLAG_RD | CTLFLAG_STATS, + &uma_reclaim_calls, 0, "Number of calls to uma_reclaim"); + static void vnlru_proc(void) { @@ -1818,8 +1822,10 @@ vnlru_proc(void) * this happens. */ if (onumvnodes + VNLRU_COUNT_SLOP + 1000 > desiredvnodes && - numvnodes <= desiredvnodes) + numvnodes <= desiredvnodes) { + uma_reclaim_calls++; uma_reclaim(UMA_RECLAIM_DRAIN); + } if (done == 0) { if (force == 0 || force == 1) { force = 2;
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