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[Qemu-devel] [PATCH v11 1/4] tests: Add migration xbzrle test
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH v11 1/4] tests: Add migration xbzrle test |
Date: |
Wed, 30 Jan 2019 13:06:13 +0100 |
Reviewed-by: Peter Xu <address@hidden>
Signed-off-by: Juan Quintela <address@hidden>
---
tests/migration-test.c | 64 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 64 insertions(+)
diff --git a/tests/migration-test.c b/tests/migration-test.c
index 8352612364..b0670efde7 100644
--- a/tests/migration-test.c
+++ b/tests/migration-test.c
@@ -584,6 +584,17 @@ static void deprecated_set_speed(QTestState *who, long
long value)
migrate_check_parameter(who, "max-bandwidth", value);
}
+static void deprecated_set_cache_size(QTestState *who, long long value)
+{
+ QDict *rsp;
+
+ rsp = qtest_qmp(who, "{ 'execute': 'migrate-set-cache-size',"
+ "'arguments': { 'value': %lld } }", value);
+ g_assert(qdict_haskey(rsp, "return"));
+ qobject_unref(rsp);
+ migrate_check_parameter(who, "xbzrle-cache-size", value);
+}
+
static void test_deprecated(void)
{
QTestState *from;
@@ -592,6 +603,7 @@ static void test_deprecated(void)
deprecated_set_downtime(from, 0.12345);
deprecated_set_speed(from, 12345);
+ deprecated_set_cache_size(from, 4096);
qtest_quit(from);
}
@@ -781,6 +793,57 @@ static void test_precopy_unix(void)
g_free(uri);
}
+static void test_xbzrle(const char *uri)
+{
+ QTestState *from, *to;
+
+ if (test_migrate_start(&from, &to, uri, 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(from, "downtime-limit", 1);
+ /* 1GB/s */
+ migrate_set_parameter(from, "max-bandwidth", 1000000000);
+
+ migrate_set_parameter(from, "xbzrle-cache-size", 33554432);
+
+ migrate_set_capability(from, "xbzrle", "true");
+ migrate_set_capability(to, "xbzrle", "true");
+ /* Wait for the first serial output from the source */
+ wait_for_serial("src_serial");
+
+ migrate(from, uri, "{}");
+
+ wait_for_migration_pass(from);
+
+ /* 300ms 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);
+}
+
+static void test_xbzrle_unix(void)
+{
+ char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
+
+ test_xbzrle(uri);
+ g_free(uri);
+}
+
int main(int argc, char **argv)
{
char template[] = "/tmp/migration-test-XXXXXX";
@@ -832,6 +895,7 @@ int main(int argc, char **argv)
qtest_add_func("/migration/deprecated", test_deprecated);
qtest_add_func("/migration/bad_dest", test_baddest);
qtest_add_func("/migration/precopy/unix", test_precopy_unix);
+ qtest_add_func("/migration/xbzrle/unix", test_xbzrle_unix);
ret = g_test_run();
--
2.20.1