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monitor: add poll-* properties into query-iothreads result 

IOthreads were recently extended by new properties that can
enable/disable and configure aio polling.  This will also allow
other tools that uses QEMU to probe for existence of those new
properties via query-qmp-schema.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <3163c16d6ab4257f7be9ad44fe9cc0ce8c359e5a.1486718555.git.phrdina@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
master
Pavel Hrdina 2017-02-10 10:41:17 +01:00 committed by Dr. David Alan Gilbert
parent 3f35c3b166
commit 5fc00480ab
3 changed files with 24 additions and 3 deletions
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9
hmp.c
View File

@ -2149,10 +2149,15 @@ void hmp_info_iothreads(Monitor *mon, const QDict *qdict)
{
IOThreadInfoList *info_list = qmp_query_iothreads(NULL);
IOThreadInfoList *info;
IOThreadInfo *value;
for (info = info_list; info; info = info->next) {
monitor_printf(mon, "%s: thread_id=%" PRId64 "\n",
info->value->id, info->value->thread_id);
value = info->value;
monitor_printf(mon, "%s:\n", value->id);
monitor_printf(mon, " thread_id=%" PRId64 "\n", value->thread_id);
monitor_printf(mon, " poll-max-ns=%" PRId64 "\n", value->poll_max_ns);
monitor_printf(mon, " poll-grow=%" PRId64 "\n", value->poll_grow);
monitor_printf(mon, " poll-shrink=%" PRId64 "\n", value->poll_shrink);
}
qapi_free_IOThreadInfoList(info_list);

3
iothread.c
View File

@ -268,6 +268,9 @@ static int query_one_iothread(Object *object, void *opaque)
info = g_new0(IOThreadInfo, 1);
info->id = iothread_get_id(iothread);
info->thread_id = iothread->thread_id;
info->poll_max_ns = iothread->poll_max_ns;
info->poll_grow = iothread->poll_grow;
info->poll_shrink = iothread->poll_shrink;
elem = g_new0(IOThreadInfoList, 1);
elem->value = info;

15
qapi-schema.json
View File

@ -1427,10 +1427,23 @@
#
# @thread-id: ID of the underlying host thread
#
# @poll-max-ns: maximum polling time in ns, 0 means polling is disabled
# (since 2.9)
#
# @poll-grow: how many ns will be added to polling time, 0 means that it's not
# configured (since 2.9)
#
# @poll-shrink: how many ns will be removed from polling time, 0 means that
# it's not configured (since 2.9)
#
# Since: 2.0
##
{ 'struct': 'IOThreadInfo',
'data': {'id': 'str', 'thread-id': 'int'} }
'data': {'id': 'str',
'thread-id': 'int',
'poll-max-ns': 'int',
'poll-grow': 'int',
'poll-shrink': 'int' } }
##
# @query-iothreads: