On Thu, Oct 14, 2010 at 11:31:20AM +0530, Prerna Saxena wrote:
> [PATCH 2/2] Add documentation for QMP commands: query-trace &
> query-trace-events.
>
>
> Signed-off-by: Prerna Saxena <pre...@linux.vnet.ibm.com>
> ---
> qmp-commands.hx | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 53 insertions(+), 0 deletions(-)
>
> diff --git a/qmp-commands.hx b/qmp-commands.hx
> index 793cf1c..9a48984 100644
> --- a/qmp-commands.hx
> +++ b/qmp-commands.hx
> @@ -1539,3 +1539,56 @@ Example:
>
> EQMP
>
> +SQMP
> +query-trace
> +-------------
> +
> +Show contents of trace buffer.
> +
> +Returns a set of json-objects containing the following data:
> +
> +- "Event": Event ID for the trace-event(json-int)
JSON names are lowercase like the C fields they represent, please use
"event".
> +- "arg1 .. arg6": Arguments logged by the trace-event (json-int)
What about the timestamp_ns field?
> +
> +Example:
> +
> +-> { "execute": "query-trace" }
> +<- {
> + "return":{
> + "Event": 22,
> + "arg6": 0,
> + "arg5": 0,
> + "arg4": 0,
> + "arg3": 0,
> + "arg2": 80,
> + "arg1": 886
> + }
> + }
> +
> +EQMP
> +
> +SQMP
> +query-trace-events
> +------------------
> +
> +Show all available trace-events & their state.
> +
> +Returns a set of json-objects containing the following data:
> +
> +- "name": Name of Trace-event (json-string)
> +- "state": State of trace-event [ '0': inactive; '1':active ] (json-int)
> +- "eventID": Event ID of Trace-event (json-int)
> +
> +Example:
> +
> +-> { "execute": "query-trace-events" }
> +<- {
> + "return":{
> + "name": "qemu_malloc",
> + "state": 0,
> + "eventID": 0
> + }
> + }
> +
> +EQMP
> +
> --
> 1.7.2.2
>
>
>
> --
> Prerna Saxena
>
> Linux Technology Centre,
> IBM Systems and Technology Lab,
> Bangalore, India
>
