From mboxrd@z Thu Jan 1 00:00:00 1970 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 From: =?UTF-8?q?Beno=C3=AEt=20Canet?= Date: Wed, 16 Jan 2013 17:25:08 +0100 Message-Id: <1358353508-5369-15-git-send-email-benoit@irqsave.net> In-Reply-To: <1358353508-5369-1-git-send-email-benoit@irqsave.net> References: <1358353508-5369-1-git-send-email-benoit@irqsave.net> Subject: [Qemu-devel] [RFC V1 14/14] qapi: Return virtual block device deduplication metrics in QMP List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pbonzini@redhat.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= , stefanha@redhat.com --- 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); -- 1.7.10.4