From patchwork Wed Jan 16 16:25:08 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Beno=C3=AEt_Canet?= X-Patchwork-Id: 213015 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 765822C0087 for ; Thu, 17 Jan 2013 06:24:58 +1100 (EST) Received: from localhost ([::1]:40896 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TvVrE-00064a-3l for incoming@patchwork.ozlabs.org; Wed, 16 Jan 2013 11:28:56 -0500 Received: from eggs.gnu.org ([208.118.235.92]:42045) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TvVr4-0005sO-VR for qemu-devel@nongnu.org; Wed, 16 Jan 2013 11:28:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TvVr1-0007aA-Vr for qemu-devel@nongnu.org; Wed, 16 Jan 2013 11:28:46 -0500 Received: from nodalink.pck.nerim.net ([62.212.105.220]:43395 helo=paradis.irqsave.net) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TvVr1-0007a6-Nt for qemu-devel@nongnu.org; Wed, 16 Jan 2013 11:28:43 -0500 Received: by paradis.irqsave.net (Postfix, from userid 1002) id 4C3DE87432A; Wed, 16 Jan 2013 18:00:20 +0100 (CET) Received: from localhost.localdomain (unknown [192.168.77.1]) by paradis.irqsave.net (Postfix) with ESMTP id 12B6987434D; Wed, 16 Jan 2013 17:56:14 +0100 (CET) From: =?UTF-8?q?Beno=C3=AEt=20Canet?= To: qemu-devel@nongnu.org Date: Wed, 16 Jan 2013 17:25:08 +0100 Message-Id: <1358353508-5369-15-git-send-email-benoit@irqsave.net> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1358353508-5369-1-git-send-email-benoit@irqsave.net> References: <1358353508-5369-1-git-send-email-benoit@irqsave.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 62.212.105.220 Cc: kwolf@redhat.com, pbonzini@redhat.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= , stefanha@redhat.com Subject: [Qemu-devel] [RFC V1 14/14] qapi: Return virtual block device deduplication metrics in QMP 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 --- block.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/block.c b/block.c index 4e28c55..a245653 100644 --- a/block.c +++ b/block.c @@ -2921,6 +2921,40 @@ BlockInfoList *qmp_query_block(Error **errp) return head; } +static void bdrv_get_dedup_metrics(const BlockDriverState *bs, + BlockDeviceStats *stats) +{ + BlockDriverInfo bdi; + + if (bdrv_get_info((BlockDriverState *) bs, &bdi) < 0) { + return; + } + + if (!bdi.has_dedup) { + return; + } + + stats->has_deduplication = true; + stats->deduplication = g_malloc0(sizeof(*stats->deduplication)); + stats->deduplication->deduplicated_clusters = + bdi.dedup_metrics.deduplicated_clusters; + stats->deduplication->non_deduplicated_clusters = + bdi.dedup_metrics.non_deduplicated_clusters; + stats->deduplication->missing_data_reads = + bdi.dedup_metrics.missing_data_reads; + stats->deduplication->ram_hash_creations = + bdi.dedup_metrics.ram_hash_creations; + stats->deduplication->ram_hash_deletions = + bdi.dedup_metrics.ram_hash_deletions; + stats->deduplication->ram_usage = + bdi.dedup_metrics.ram_usage; + stats->deduplication->deleted_clusters = + bdi.dedup_metrics.deleted_clusters; + stats->deduplication->refcount_overflows = + bdi.dedup_metrics.refcount_overflows; + stats->deduplication->running = bdi.dedup_running; +} + BlockStats *bdrv_query_stats(const BlockDriverState *bs) { BlockStats *s; @@ -2943,6 +2977,8 @@ BlockStats *bdrv_query_stats(const BlockDriverState *bs) s->stats->rd_total_time_ns = bs->total_time_ns[BDRV_ACCT_READ]; s->stats->flush_total_time_ns = bs->total_time_ns[BDRV_ACCT_FLUSH]; + bdrv_get_dedup_metrics(bs, s->stats); + if (bs->file) { s->has_parent = true; s->parent = bdrv_query_stats(bs->file);