From owner-svn-src-stable@FreeBSD.ORG Mon Oct 20 22:04:50 2014 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 58AF79AA; Mon, 20 Oct 2014 22:04:50 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 43D7115E; Mon, 20 Oct 2014 22:04:50 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id s9KM4oAx031091; Mon, 20 Oct 2014 22:04:50 GMT (envelope-from delphij@FreeBSD.org) Received: (from delphij@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id s9KM4oJB031090; Mon, 20 Oct 2014 22:04:50 GMT (envelope-from delphij@FreeBSD.org) Message-Id: <201410202204.s9KM4oJB031090@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: delphij set sender to delphij@FreeBSD.org using -f From: Xin LI Date: Mon, 20 Oct 2014 22:04:50 +0000 (UTC) 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 X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Oct 2014 22:04:50 -0000 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)