[PULL 03/19] migration-test: Add migration multifd test

Juan Quintela
2019-07-11T10:44:27Z

We set multifd-channels.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Wei Yang <richardw.yang@linux.intel.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
tests/migration-test.c | 48 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)

diff --git a/tests/migration-test.c b/tests/migration-test.c
index a4feb9545d..0dcaad86b5 100644
--- a/tests/migration-test.c
+++ b/tests/migration-test.c
@@ -1121,6 +1121,53 @@ static void test_migrate_fd_proto(void)
test_migrate_end(from, to, true);
}

+static void test_multifd_tcp(void)
+{
+ char *uri;
+ QTestState *from, *to;
+
+ if (test_migrate_start(&from, &to, "tcp:127.0.0.1:0", false, false)) {
+ return;
+ }
+
+ /*
+ * We want to pick a speed slow enough that the test completes
+ * quickly, but that it doesn't complete precopy even on a slow
+ * machine, so also set the downtime.
+ */
+ /* 1 ms should make it not converge*/
+ migrate_set_parameter_int(from, "downtime-limit", 1);
+ /* 1GB/s */
+ migrate_set_parameter_int(from, "max-bandwidth", 1000000000);
+
+ migrate_set_parameter_int(from, "multifd-channels", 2);
+ migrate_set_parameter_int(to, "multifd-channels", 2);
+
+ migrate_set_capability(from, "multifd", "true");
+ migrate_set_capability(to, "multifd", "true");
+ /* Wait for the first serial output from the source */
+ wait_for_serial("src_serial");
+
+ uri = migrate_get_socket_address(to, "socket-address");
+
+ migrate(from, uri, "{}");
+
+ wait_for_migration_pass(from);
+
+ /* 300ms it should converge */
+ migrate_set_parameter_int(from, "downtime-limit", 600);
+
+ if (!got_stop) {
+ qtest_qmp_eventwait(from, "STOP");
+ }
+ qtest_qmp_eventwait(to, "RESUME");
+
+ wait_for_serial("dest_serial");
+ wait_for_migration_complete(from);
+ test_migrate_end(from, to, true);
+ free(uri);
+}
+
int main(int argc, char **argv)
{
char template[] = "/tmp/migration-test-XXXXXX";
@@ -1176,6 +1223,7 @@ int main(int argc, char **argv)
/* qtest_add_func("/migration/ignore_shared", test_ignore_shared); */
qtest_add_func("/migration/xbzrle/unix", test_xbzrle_unix);
qtest_add_func("/migration/fd_proto", test_migrate_fd_proto);
+ qtest_add_func("/migration/multifd/tcp", test_multifd_tcp);

ret = g_test_run();

--
2.21.0