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authorAlberto Garcia <berto@igalia.com>2015-10-28 17:33:06 +0200
committerKevin Wolf <kwolf@redhat.com>2015-11-12 16:22:46 +0100
commit96e4dedaff9922f87e4ec351d51d3f093198382a (patch)
tree4f13bd41dbde11ddedeb6ce30d0ae0ca11e8ea6e /qapi
parent979e9b03fc8c85d3b78a14410c64cbb16d348095 (diff)
downloadhqemu-96e4dedaff9922f87e4ec351d51d3f093198382a.zip
hqemu-96e4dedaff9922f87e4ec351d51d3f093198382a.tar.gz
block: Add average I/O queue depth to BlockDeviceTimedStats
This patch adds two new fields to BlockDeviceTimedStats that track the average number of pending read and write requests for a block device. The values are calculated for the period of time defined for that interval. Signed-off-by: Alberto Garcia <berto@igalia.com> Message-id: fd31fef53e2714f2f30d59ed58ca2f67ec9ab926.1446044837.git.berto@igalia.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qapi')
-rw-r--r--qapi/block-core.json9
1 files changed, 8 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 80470da..6fd68a6 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -450,6 +450,12 @@
# @avg_flush_latency_ns: Average latency of flush operations in the
# defined interval, in nanoseconds.
#
+# @avg_rd_queue_depth: Average number of pending read operations
+# in the defined interval.
+#
+# @avg_wr_queue_depth: Average number of pending write operations
+# in the defined interval.
+#
# Since: 2.5
##
@@ -458,7 +464,8 @@
'max_rd_latency_ns': 'int', 'avg_rd_latency_ns': 'int',
'min_wr_latency_ns': 'int', 'max_wr_latency_ns': 'int',
'avg_wr_latency_ns': 'int', 'min_flush_latency_ns': 'int',
- 'max_flush_latency_ns': 'int', 'avg_flush_latency_ns': 'int' } }
+ 'max_flush_latency_ns': 'int', 'avg_flush_latency_ns': 'int',
+ 'avg_rd_queue_depth': 'number', 'avg_wr_queue_depth': 'number' } }
##
# @BlockDeviceStats:
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