[Qemu-devel] [PATCH 5/6] tests: Add migration compress threads tests

[Juan Quintela <quintela@redhat.com>]

For some reason, compression is not working at the moment, test is
disabled until I found why.

Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 tests/migration-test.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/tests/migration-test.c b/tests/migration-test.c
index f0734e4ba0..a8abc3d007 100644
--- a/tests/migration-test.c
+++ b/tests/migration-test.c
@@ -621,6 +621,54 @@ static void test_xbzrle_unix(void)
     g_free(uri);
 }
 
+static void test_compress(const char *uri)
+{
+    QTestState *from, *to;
+
+    test_migrate_start(&from, &to, uri);
+
+    /* 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.
+     */
+    /* 100 ms */
+    migrate_set_parameter(from, "downtime-limit", "100");
+    /* 1MB/s slow*/
+    migrate_set_parameter(from, "max-bandwidth", "100000000");
+
+    migrate_set_parameter(from, "compress-threads", "4");
+    migrate_set_parameter(from, "decompress-threads", "3"); 
+
+    migrate_set_capability(from, "compress", "true");
+    migrate_set_capability(to, "compress", "true");
+    /* Wait for the first serial output from the source */
+    wait_for_serial("src_serial");
+
+    migrate(from, uri);
+
+    wait_for_migration_pass(from);
+
+    /* 1GB/s now it should converge */
+    migrate_set_parameter(from, "max-bandwidth", "1000000000");
+
+    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);
+}
+
+static void test_compress_unix(void)
+{
+    char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
+
+    test_compress(uri);
+    g_free(uri);
+}
 
 int main(int argc, char **argv)
 {
@@ -641,6 +689,9 @@ int main(int argc, char **argv)
     qtest_add_func("/migration/precopy/tcp", test_precopy_tcp);
     qtest_add_func("/migration/deprecated/unix", test_deprecated_unix);
     qtest_add_func("/migration/xbzrle/unix", test_xbzrle_unix);
+    if (0) {
+        qtest_add_func("/migration/compress/unix", test_compress_unix);
+    }
 
     ret = g_test_run();
 
-- 
2.13.5