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docs: Document QMP event rate limiting

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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1444921716-9511-8-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Markus Armbruster 2015-10-15 17:08:36 +02:00
parent 7de0be6573
commit 7f1e7b23d5
2 changed files with 17 additions and 0 deletions
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12
docs/qmp-events.txt
View file

@ -28,6 +28,8 @@ Example:
"data": { "actual": 944766976 }, "data": { "actual": 944766976 },
"timestamp": { "seconds": 1267020223, "microseconds": 435656 } } "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
Note: this event is rate-limited.
BLOCK_IMAGE_CORRUPTED BLOCK_IMAGE_CORRUPTED
--------------------- ---------------------
@ -296,6 +298,8 @@ Example:
"data": { "reference": "usr1", "sector-num": 345435, "sectors-count": 5 }, "data": { "reference": "usr1", "sector-num": 345435, "sectors-count": 5 },
"timestamp": { "seconds": 1344522075, "microseconds": 745528 } } "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
Note: this event is rate-limited.
QUORUM_REPORT_BAD QUORUM_REPORT_BAD
----------------- -----------------
@ -318,6 +322,8 @@ Example:
"data": { "node-name": "1.raw", "sector-num": 345435, "sectors-count": 5 }, "data": { "node-name": "1.raw", "sector-num": 345435, "sectors-count": 5 },
"timestamp": { "seconds": 1344522075, "microseconds": 745528 } } "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
Note: this event is rate-limited.
RESET RESET
----- -----
@ -358,6 +364,8 @@ Example:
"data": { "offset": 78 }, "data": { "offset": 78 },
"timestamp": { "seconds": 1267020223, "microseconds": 435656 } } "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
Note: this event is rate-limited.
SHUTDOWN SHUTDOWN
-------- --------
@ -632,6 +640,8 @@ Example:
"data": { "id": "channel0", "open": true }, "data": { "id": "channel0", "open": true },
"timestamp": { "seconds": 1401385907, "microseconds": 422329 } } "timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
Note: this event is rate-limited separately for each "id".
WAKEUP WAKEUP
------ ------
@ -662,3 +672,5 @@ Example:
Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is
followed respectively by the RESET, SHUTDOWN, or STOP events. followed respectively by the RESET, SHUTDOWN, or STOP events.
Note: this event is rate-limited.

5
docs/qmp-spec.txt
View file

@ -175,6 +175,11 @@ The format of asynchronous events is:
For a listing of supported asynchronous events, please, refer to the For a listing of supported asynchronous events, please, refer to the
qmp-events.txt file. qmp-events.txt file.
Some events are rate-limited to at most one per second. If additional
"similar" events arrive within one second, all but the last one are
dropped, and the last one is delayed. "Similar" normally means same
event type. See qmp-events.txt for details.
2.5 QGA Synchronization 2.5 QGA Synchronization
----------------------- -----------------------