Date: Sat, 4 Oct 2014 08:55:08 +0000 (UTC) From: Xin LI <delphij@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r272511 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201410040855.s948t84r022562@svn.freebsd.org>
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Author: delphij Date: Sat Oct 4 08:55:08 2014 New Revision: 272511 URL: https://svnweb.freebsd.org/changeset/base/272511 Log: MFV r272499: Illumos issue: 5174 add sdt probe for blocked read in dbuf_read() MFC after: 2 weeks Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Directory Properties: head/sys/cddl/contrib/opensolaris/ (props changed) Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Sat Oct 4 08:51:57 2014 (r272510) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Sat Oct 4 08:55:08 2014 (r272511) @@ -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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