8eb6d39e22
Using qom-list and qom-get to get all the nodes and property values in a QOM tree can take multiple seconds because it requires 1000's of individual QOM requests. Some managers fetch the entire tree or a large subset of it when starting a new VM, and this cost is a substantial fraction of start up time. Define the qom-list-get command, which fetches all the properties and values for a list of paths. This can be much faster than qom-list plus qom-get. When getting an entire QOM tree, I measured a 10x speedup in elapsed time. Signed-off-by: Steve Sistare <steven.sistare@oracle.com> Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-ID: <1752248703-217318-2-git-send-email-steven.sistare@oracle.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> |
||
|---|---|---|
| .. | ||
| container.c | ||
| meson.build | ||
| object.c | ||
| object_interfaces.c | ||
| qom-hmp-cmds.c | ||
| qom-qmp-cmds.c | ||
| qom-qobject.c | ||
| trace-events | ||
| trace.h | ||