From patchwork Thu Mar 15 12:13:32 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Wang X-Patchwork-Id: 146937 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 56518B6F98 for ; Thu, 15 Mar 2012 23:47:30 +1100 (EST) Received: from localhost ([::1]:44212 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S89aJ-0003XH-FJ for incoming@patchwork.ozlabs.org; Thu, 15 Mar 2012 08:15:11 -0400 Received: from eggs.gnu.org ([208.118.235.92]:41071) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S89Zj-0002df-6o for qemu-devel@nongnu.org; Thu, 15 Mar 2012 08:14:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S89ZJ-0002MU-Gh for qemu-devel@nongnu.org; Thu, 15 Mar 2012 08:14:34 -0400 Received: from e23smtp05.au.ibm.com ([202.81.31.147]:53622) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S89ZI-0002L1-Ui for qemu-devel@nongnu.org; Thu, 15 Mar 2012 08:14:09 -0400 Received: from /spool/local by e23smtp05.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 15 Mar 2012 12:09:55 +1000 Received: from d23relay05.au.ibm.com (202.81.31.247) by e23smtp05.au.ibm.com (202.81.31.211) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Thu, 15 Mar 2012 12:09:53 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q2FC82l53387584 for ; Thu, 15 Mar 2012 23:08:02 +1100 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q2FCDqNV017509 for ; Thu, 15 Mar 2012 23:13:52 +1100 Received: from wdongxu-T410.ibm.com ([9.125.29.1]) by d23av02.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q2FCDd97017005; Thu, 15 Mar 2012 23:13:48 +1100 From: Dong Xu Wang To: qemu-devel@nongnu.org Date: Thu, 15 Mar 2012 20:13:32 +0800 Message-Id: <1331813614-3754-2-git-send-email-wdongxu@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1331813614-3754-1-git-send-email-wdongxu@linux.vnet.ibm.com> References: <1331813614-3754-1-git-send-email-wdongxu@linux.vnet.ibm.com> x-cbid: 12031502-1396-0000-0000-000000D2123B X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 202.81.31.147 Cc: kwolf@redhat.com, Dong Xu Wang , stefanha@linux.vnet.ibm.com Subject: [Qemu-devel] [PATCH 2/4 v3] block: image fragmentation statistics for qed X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Dong Xu Wang Signed-off-by: Dong Xu Wang --- block/qed-check.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/block/qed-check.c b/block/qed-check.c index e4a49ce..94327ff 100644 --- a/block/qed-check.c +++ b/block/qed-check.c @@ -68,6 +68,7 @@ static unsigned int qed_check_l2_table(QEDCheck *check, QEDTable *table) { BDRVQEDState *s = check->s; unsigned int i, num_invalid = 0; + uint64_t last_offset = 0; for (i = 0; i < s->table_nelems; i++) { uint64_t offset = table->offsets[i]; @@ -76,6 +77,11 @@ static unsigned int qed_check_l2_table(QEDCheck *check, QEDTable *table) qed_offset_is_zero_cluster(offset)) { continue; } + check->result->bfi.allocated_clusters++; + if (last_offset && (last_offset + s->header.cluster_size != offset)) { + check->result->bfi.fragmented_clusters++; + } + last_offset = offset; /* Detect invalid cluster offset */ if (!qed_check_cluster_offset(s, offset)) { @@ -200,6 +206,9 @@ int qed_check(BDRVQEDState *s, BdrvCheckResult *result, bool fix) check.used_clusters = g_malloc0(((check.nclusters + 31) / 32) * sizeof(check.used_clusters[0])); + check.result->bfi.total_clusters = + (s->header.image_size + s->header.cluster_size - 1) / + s->header.cluster_size; ret = qed_check_l1_table(&check, s->l1_table); if (ret == 0) { /* Only check for leaks if entire image was scanned successfully */