qemu: Ignore missing memory statistics in query-migrate

We want to use query-migrate QMP command to check the current migration
state when reconnecting to active domains, but the reply we get to this
command may not contain any statistics at all if called on the
destination host.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Jiri Denemark 2022-05-10 15:20:25 +02:00
parent 6908f857f8
commit c556d02551

View File

@ -3249,56 +3249,49 @@ qemuMonitorJSONGetMigrationStatsReply(virJSONValue *reply,
case QEMU_MONITOR_MIGRATION_STATUS_PRE_SWITCHOVER:
case QEMU_MONITOR_MIGRATION_STATUS_DEVICE:
ram = virJSONValueObjectGetObject(ret, "ram");
if (!ram) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("migration was active, but no RAM info was set"));
return -1;
}
if (ram) {
if (virJSONValueObjectGetNumberUlong(ram, "transferred",
&stats->ram_transferred) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("migration was active, but RAM 'transferred' data was missing"));
return -1;
}
if (virJSONValueObjectGetNumberUlong(ram, "remaining",
&stats->ram_remaining) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("migration was active, but RAM 'remaining' data was missing"));
return -1;
}
if (virJSONValueObjectGetNumberUlong(ram, "total",
&stats->ram_total) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("migration was active, but RAM 'total' data was missing"));
return -1;
}
if (virJSONValueObjectGetNumberUlong(ram, "transferred",
&stats->ram_transferred) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("migration was active, but RAM 'transferred' "
"data was missing"));
return -1;
}
if (virJSONValueObjectGetNumberUlong(ram, "remaining",
&stats->ram_remaining) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("migration was active, but RAM 'remaining' "
"data was missing"));
return -1;
}
if (virJSONValueObjectGetNumberUlong(ram, "total",
&stats->ram_total) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("migration was active, but RAM 'total' "
"data was missing"));
return -1;
}
if (virJSONValueObjectGetNumberDouble(ram, "mbps", &mbps) == 0 &&
mbps > 0) {
/* mpbs from QEMU reports Mbits/s (M as in 10^6 not Mi as 2^20) */
stats->ram_bps = mbps * (1000 * 1000 / 8);
}
if (virJSONValueObjectGetNumberDouble(ram, "mbps", &mbps) == 0 &&
mbps > 0) {
/* mpbs from QEMU reports Mbits/s (M as in 10^6 not Mi as 2^20) */
stats->ram_bps = mbps * (1000 * 1000 / 8);
if (virJSONValueObjectGetNumberUlong(ram, "duplicate",
&stats->ram_duplicate) == 0)
stats->ram_duplicate_set = true;
ignore_value(virJSONValueObjectGetNumberUlong(ram, "normal",
&stats->ram_normal));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "normal-bytes",
&stats->ram_normal_bytes));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "dirty-pages-rate",
&stats->ram_dirty_rate));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "page-size",
&stats->ram_page_size));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "dirty-sync-count",
&stats->ram_iteration));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "postcopy-requests",
&stats->ram_postcopy_reqs));
}
if (virJSONValueObjectGetNumberUlong(ram, "duplicate",
&stats->ram_duplicate) == 0)
stats->ram_duplicate_set = true;
ignore_value(virJSONValueObjectGetNumberUlong(ram, "normal",
&stats->ram_normal));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "normal-bytes",
&stats->ram_normal_bytes));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "dirty-pages-rate",
&stats->ram_dirty_rate));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "page-size",
&stats->ram_page_size));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "dirty-sync-count",
&stats->ram_iteration));
ignore_value(virJSONValueObjectGetNumberUlong(ram, "postcopy-requests",
&stats->ram_postcopy_reqs));
disk = virJSONValueObjectGetObject(ret, "disk");
if (disk) {
rc = virJSONValueObjectGetNumberUlong(disk, "transferred",