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[Qemu-devel] [RFC][PATCH 4/5] trace-event
From: |
Prerna Saxena |
Subject: |
[Qemu-devel] [RFC][PATCH 4/5] trace-event |
Date: |
Thu, 21 Oct 2010 15:10:18 +0530 |
trace-event : QMP interface to change state of a trace-event.
(Analogous to hmp command : trace-event )
Signed-off-by: Prerna Saxena <address@hidden>
---
qmp-commands.hx | 32 ++++++++++++++++++++++++++++++++
1 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 7e95f4e..f2008e8 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -761,6 +761,38 @@ Example:
Note: This command must be issued before issuing any other command.
+EQMP
+
+ {
+ .name = "trace-event",
+ .args_type = "name:s,option:b",
+ .params = "name on|off",
+ .help = "changes state of a specific trace event",
+ .user_print = monitor_user_noop,
+ .mhandler.cmd_new = do_change_trace_event_state_qmp,
+ },
+
+SQMP
+trace-event
+-----------
+
+Change state of a trace-event.
+
+Arguments:
+
+- "name": name of trace-event (json-string)
+- "enable": New state to be set for the trace-event (json-bool)
+
+Example:
+
+-> { "execute": "trace-event", "arguments": { "name": "ABC", "enable":false } }
+<- { "return": {} }
+
+Notes:
+
+(1) The 'query-trace-events' command should be used to check the new state
+ of the trace-event.
+
3. Query Commands
=================
--
1.7.2.3
--
Prerna Saxena
Linux Technology Centre,
IBM Systems and Technology Lab,
Bangalore, India