aboutsummaryrefslogtreecommitdiff
path: root/qapi/block-core.json
diff options
context:
space:
mode:
Diffstat (limited to 'qapi/block-core.json')
-rw-r--r--qapi/block-core.json52
1 files changed, 51 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 0d517ab8e5..80470da574 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -414,6 +414,52 @@
##
{ 'command': 'query-block', 'returns': ['BlockInfo'] }
+
+##
+# @BlockDeviceTimedStats:
+#
+# Statistics of a block device during a given interval of time.
+#
+# @interval_length: Interval used for calculating the statistics,
+# in seconds.
+#
+# @min_rd_latency_ns: Minimum latency of read operations in the
+# defined interval, in nanoseconds.
+#
+# @min_wr_latency_ns: Minimum latency of write operations in the
+# defined interval, in nanoseconds.
+#
+# @min_flush_latency_ns: Minimum latency of flush operations in the
+# defined interval, in nanoseconds.
+#
+# @max_rd_latency_ns: Maximum latency of read operations in the
+# defined interval, in nanoseconds.
+#
+# @max_wr_latency_ns: Maximum latency of write operations in the
+# defined interval, in nanoseconds.
+#
+# @max_flush_latency_ns: Maximum latency of flush operations in the
+# defined interval, in nanoseconds.
+#
+# @avg_rd_latency_ns: Average latency of read operations in the
+# defined interval, in nanoseconds.
+#
+# @avg_wr_latency_ns: Average latency of write operations in the
+# defined interval, in nanoseconds.
+#
+# @avg_flush_latency_ns: Average latency of flush operations in the
+# defined interval, in nanoseconds.
+#
+# Since: 2.5
+##
+
+{ 'struct': 'BlockDeviceTimedStats',
+ 'data': { 'interval_length': 'int', 'min_rd_latency_ns': 'int',
+ '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' } }
+
##
# @BlockDeviceStats:
#
@@ -476,6 +522,9 @@
# @account_failed: Whether failed operations are included in the
# latency and last access statistics (Since 2.5)
#
+# @timed_stats: Statistics specific to the set of previously defined
+# intervals of time (Since 2.5)
+#
# Since: 0.14.0
##
{ 'struct': 'BlockDeviceStats',
@@ -487,7 +536,8 @@
'failed_rd_operations': 'int', 'failed_wr_operations': 'int',
'failed_flush_operations': 'int', 'invalid_rd_operations': 'int',
'invalid_wr_operations': 'int', 'invalid_flush_operations': 'int',
- 'account_invalid': 'bool', 'account_failed': 'bool' } }
+ 'account_invalid': 'bool', 'account_failed': 'bool',
+ 'timed_stats': ['BlockDeviceTimedStats'] } }
##
# @BlockStats: