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[Qemu-devel] [PULL 13/13] docs: Document QMP event rate limiting
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PULL 13/13] docs: Document QMP event rate limiting |
Date: |
Tue, 27 Oct 2015 10:21:47 +0100 |
Signed-off-by: Markus Armbruster <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
docs/qmp-events.txt | 12 ++++++++++++
docs/qmp-spec.txt | 5 +++++
2 files changed, 17 insertions(+)
diff --git a/docs/qmp-events.txt b/docs/qmp-events.txt
index d92cc48..d2f1ce4 100644
--- a/docs/qmp-events.txt
+++ b/docs/qmp-events.txt
@@ -28,6 +28,8 @@ Example:
"data": { "actual": 944766976 },
"timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
+Note: this event is rate-limited.
+
BLOCK_IMAGE_CORRUPTED
---------------------
@@ -296,6 +298,8 @@ Example:
"data": { "reference": "usr1", "sector-num": 345435, "sectors-count": 5 },
"timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
+Note: this event is rate-limited.
+
QUORUM_REPORT_BAD
-----------------
@@ -318,6 +322,8 @@ Example:
"data": { "node-name": "1.raw", "sector-num": 345435, "sectors-count": 5
},
"timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
+Note: this event is rate-limited.
+
RESET
-----
@@ -358,6 +364,8 @@ Example:
"data": { "offset": 78 },
"timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
+Note: this event is rate-limited.
+
SHUTDOWN
--------
@@ -632,6 +640,8 @@ Example:
"data": { "id": "channel0", "open": true },
"timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
+Note: this event is rate-limited separately for each "id".
+
WAKEUP
------
@@ -662,3 +672,5 @@ Example:
Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is
followed respectively by the RESET, SHUTDOWN, or STOP events.
+
+Note: this event is rate-limited.
diff --git a/docs/qmp-spec.txt b/docs/qmp-spec.txt
index 4c28cd9..4fb10a5 100644
--- a/docs/qmp-spec.txt
+++ b/docs/qmp-spec.txt
@@ -175,6 +175,11 @@ The format of asynchronous events is:
For a listing of supported asynchronous events, please, refer to the
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
-----------------------
--
2.4.3
- [Qemu-devel] [PULL 00/13] QMP and QObject patches, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 09/13] monitor: Switch from timer_new() to timer_new_ns(), Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 03/13] qdict: Make conversion from QObject * accept null, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 05/13] qlist: Make conversion from QObject * accept null, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 04/13] qfloat qint: Make conversion from QObject * accept null, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 01/13] qobject: Drop QObject_HEAD, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 02/13] qbool: Make conversion from QObject * accept null, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 13/13] docs: Document QMP event rate limiting,
Markus Armbruster <=
- [Qemu-devel] [PULL 10/13] monitor: Split MonitorQAPIEventConf off MonitorQAPIEventState, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 06/13] qstring: Make conversion from QObject * accept null, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 07/13] monitor: Reduce casting of QAPI event QDict, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 08/13] monitor: Simplify event throttling, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 11/13] monitor: Turn monitor_qapi_event_state[] into a hash table, Markus Armbruster, 2015/10/27
- [Qemu-devel] [PULL 12/13] monitor: Throttle event VSERPORT_CHANGE separately by "id", Markus Armbruster, 2015/10/27
- Re: [Qemu-devel] [PULL 00/13] QMP and QObject patches, Peter Maydell, 2015/10/27