[Qemu-devel] [PATCH v10 08/24] migration: Add multifd test

[Juan Quintela]

We set the x-multifd-page-count and x-multifd-channels.

Signed-off-by: Juan Quintela <address@hidden>
---
 tests/migration-test.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/tests/migration-test.c b/tests/migration-test.c
index 6f9b4c8d7a..97d35f979d 100644
--- a/tests/migration-test.c
+++ b/tests/migration-test.c
@@ -755,6 +755,55 @@ static void test_compress_unix(void)
     g_free(uri);
 }
 
+static void test_multifd_tcp(void)
+{
+    char *uri;
+    char *port;
+    QTestState *from, *to;
+
+    test_migrate_start(&from, &to, "tcp:127.0.0.1:0");
+
+    /* 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(from, "downtime-limit", "1");
+    /* 1GB/s */
+    migrate_set_parameter(from, "max-bandwidth", "1000000000");
+
+    migrate_set_parameter(from, "x-multifd-channels", "4");
+    migrate_set_parameter(to, "x-multifd-channels", "4");
+
+    migrate_set_parameter(from, "x-multifd-page-count", "64");
+    migrate_set_parameter(to, "x-multifd-page-count", "64");
+
+    migrate_set_capability(from, "x-multifd", "true");
+    migrate_set_capability(to, "x-multifd", "true");
+    /* Wait for the first serial output from the source */
+    wait_for_serial("src_serial");
+
+    port = migrate_get_parameter(to, "x-tcp-port");
+    uri = g_strdup_printf("tcp:127.0.0.1:%s", port);
+
+    migrate(from, uri);
+
+    wait_for_migration_pass(from);
+
+    /* 300ms it should converge */
+    migrate_set_parameter(from, "downtime-limit", "300");
+
+    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);
+}
+
 int main(int argc, char **argv)
 {
     char template[] = "/tmp/migration-test-XXXXXX";
@@ -783,6 +832,7 @@ int main(int argc, char **argv)
     if (0) {
         qtest_add_func("/migration/compress/unix", test_compress_unix);
     }
+    qtest_add_func("/migration/multifd/tcp", test_multifd_tcp);
 
     ret = g_test_run();
 
-- 
2.14.3