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[Qemu-devel] [PATCH v3 5/6] tests: Add migration xbzrle test
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH v3 5/6] tests: Add migration xbzrle test |
Date: |
Fri, 1 Dec 2017 13:58:12 +0100 |
Signed-off-by: Juan Quintela <address@hidden>
---
tests/migration-test.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 68 insertions(+)
diff --git a/tests/migration-test.c b/tests/migration-test.c
index 841c89e28a..41dee78a9a 100644
--- a/tests/migration-test.c
+++ b/tests/migration-test.c
@@ -410,6 +410,20 @@ static void deprecated_set_speed(QTestState *who, const
char *value)
migrate_check_parameter(who, "max-bandwidth", value);
}
+static void deprecated_set_cache_size(QTestState *who, const char *value)
+{
+ QDict *rsp;
+ gchar *cmd;
+
+ cmd = g_strdup_printf("{ 'execute': 'migrate-set-cache-size',"
+ "'arguments': { 'value': %s } }", value);
+ rsp = qtest_qmp(who, cmd);
+ g_free(cmd);
+ g_assert(qdict_haskey(rsp, "return"));
+ QDECREF(rsp);
+ migrate_check_parameter(who, "xbzrle-cache-size", value);
+}
+
static void migrate_set_parameter(QTestState *who, const char *parameter,
const char *value)
{
@@ -424,6 +438,10 @@ static void migrate_set_parameter(QTestState *who, const
char *parameter,
deprecated_set_speed(who, "12345");
}
+ if (strcmp(parameter, "xbzrle-cache-size") == 0) {
+ deprecated_set_cache_size(who, "4096");
+ }
+
cmd = g_strdup_printf("{ 'execute': 'migrate-set-parameters',"
"'arguments': { '%s': %s } }",
parameter, value);
@@ -673,6 +691,55 @@ static void test_precopy_tcp(void)
g_free(port);
}
+static void test_xbzrle(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", "1");
+ /* 1MB/s slow*/
+ 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 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);
+}
+
+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";
@@ -695,6 +762,7 @@ int main(int argc, char **argv)
qtest_add_func("/migration/precopy/unix", test_precopy_unix);
qtest_add_func("/migration/precopy/tcp", test_precopy_tcp);
qtest_add_func("/migration/postcopy/unix", test_postcopy);
+ qtest_add_func("/migration/xbzrle/unix", test_xbzrle_unix);
ret = g_test_run();
--
2.14.3
- Re: [Qemu-devel] [PATCH v3 2/6] tests: migration test deprecated commands, (continued)