Date: Mon, 20 Oct 2014 22:04:50 +0000 (UTC) From: Xin LI <delphij@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: r273346 - stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201410202204.s9KM4oJB031090@svn.freebsd.org>
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Author: delphij Date: Mon Oct 20 22:04:49 2014 New Revision: 273346 URL: https://svnweb.freebsd.org/changeset/base/273346 Log: MFC r272511: MFV r272499: Illumos issue: 5174 add sdt probe for blocked read in dbuf_read() Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c ============================================================================== --- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Mon Oct 20 21:59:11 2014 (r273345) +++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Mon Oct 20 22:04:49 2014 (r273346) @@ -671,6 +671,8 @@ dbuf_read(dmu_buf_impl_t *db, zio_t *zio db->db_state == DB_FILL) { ASSERT(db->db_state == DB_READ || (flags & DB_RF_HAVESTRUCT) == 0); + DTRACE_PROBE2(blocked__read, dmu_buf_impl_t *, + db, zio_t *, zio); cv_wait(&db->db_changed, &db->db_mtx); } if (db->db_state == DB_UNCACHED)
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