From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:46777) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S8A69-00089Y-DN for qemu-devel@nongnu.org; Thu, 15 Mar 2012 08:48:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S8A63-0000Qb-Hp for qemu-devel@nongnu.org; Thu, 15 Mar 2012 08:48:04 -0400 Received: from e23smtp09.au.ibm.com ([202.81.31.142]:55925) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S8A63-0000QA-0H for qemu-devel@nongnu.org; Thu, 15 Mar 2012 08:47:59 -0400 Received: from /spool/local by e23smtp09.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 15 Mar 2012 13:37:59 +1000 Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay03.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q2FClX4T1298610 for ; Thu, 15 Mar 2012 23:47:33 +1100 Received: from d23av03.au.ibm.com (loopback [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q2FClWt2020928 for ; Thu, 15 Mar 2012 23:47:33 +1100 From: Dong Xu Wang Date: Thu, 15 Mar 2012 20:47:20 +0800 Message-Id: <1331815641-4789-2-git-send-email-wdongxu@linux.vnet.ibm.com> In-Reply-To: <1331815641-4789-1-git-send-email-wdongxu@linux.vnet.ibm.com> References: <1331815641-4789-1-git-send-email-wdongxu@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 2/4 v3] block: image fragmentation statistics for qed List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, Dong Xu Wang , stefanha@linux.vnet.ibm.com 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 */ -- 1.7.5.4