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authorBenoît Canet <benoit@irqsave.net>2013-09-02 14:14:41 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2013-09-06 15:25:07 +0200
commit2024c1df43eae0d2e35663da0c6e8c51290a386e (patch)
treefb92213d73ab06a296a0c83797735cd66aae1674 /qmp-commands.hx
parent3e9fab690d59ac15956c3733fe0794ce1ae4c4af (diff)
downloadqemu-arm-2024c1df43eae0d2e35663da0c6e8c51290a386e.tar.gz
block: Add iops_size to do the iops accounting for a given io size.
This feature can be used in case where users are avoiding the iops limit by doing jumbo I/Os hammering the storage backend. Signed-off-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qmp-commands.hx')
-rw-r--r--qmp-commands.hx8
1 files changed, 6 insertions, 2 deletions
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 7c9667bcce..008cad95a2 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -1389,7 +1389,7 @@ EQMP
{
.name = "block_set_io_throttle",
- .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l,bps_max:l?,bps_rd_max:l?,bps_wr_max:l?,iops_max:l?,iops_rd_max:l?,iops_wr_max:l?",
+ .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l,bps_max:l?,bps_rd_max:l?,bps_wr_max:l?,iops_max:l?,iops_rd_max:l?,iops_wr_max:l?,iops_size:l?",
.mhandler.cmd_new = qmp_marshal_input_block_set_io_throttle,
},
@@ -1414,6 +1414,7 @@ Arguments:
- "iops_max": total I/O operations max (json-int)
- "iops_rd_max": read I/O operations max (json-int)
- "iops_wr_max": write I/O operations max (json-int)
+- "iops_size": I/O size in bytes when limiting (json-int)
Example:
@@ -1429,7 +1430,8 @@ Example:
"bps_wr_max": 0,
"iops_max": 0,
"iops_rd_max": 0,
- "iops_wr_max": 0 } }
+ "iops_wr_max": 0,
+ "iops_size": 0 } }
<- { "return": {} }
EQMP
@@ -1776,6 +1778,7 @@ Each json-object contain the following:
- "iops_max": total I/O operations max (json-int)
- "iops_rd_max": read I/O operations max (json-int)
- "iops_wr_max": write I/O operations max (json-int)
+ - "iops_size": I/O size when limiting by iops (json-int)
- "image": the detail of the image, it is a json-object containing
the following:
- "filename": image file name (json-string)
@@ -1851,6 +1854,7 @@ Example:
"iops_max": 0,
"iops_rd_max": 0,
"iops_wr_max": 0,
+ "iops_size": 0,
"image":{
"filename":"disks/test.qcow2",
"format":"qcow2",