Date: Sat, 3 Oct 2015 07:17:46 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r288536 - stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201510030717.t937HkMu057959@repo.freebsd.org>
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Author: mav Date: Sat Oct 3 07:17:45 2015 New Revision: 288536 URL: https://svnweb.freebsd.org/changeset/base/288536 Log: MFC r281109: Add DTrace probe to the new ARC reclaim cause added in r281026. Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c ============================================================================== --- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Sat Oct 3 06:35:17 2015 (r288535) +++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Sat Oct 3 07:17:45 2015 (r288536) @@ -2674,8 +2674,12 @@ arc_reclaim_needed(void) * Above limits know nothing about real level of KVA fragmentation. * Start aggressive reclamation if too little sequential KVA left. */ - if (vmem_size(heap_arena, VMEM_MAXFREE) < zfs_max_recordsize) + if (vmem_size(heap_arena, VMEM_MAXFREE) < zfs_max_recordsize) { + DTRACE_PROBE2(arc__reclaim_maxfree, uint64_t, + vmem_size(heap_arena, VMEM_MAXFREE), + uint64_t, zfs_max_recordsize); return (1); + } #else /* _KERNEL */ if (spa_get_random(100) == 0)
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