* Juan Quintela (quintela@redhat.com) wrote:
> We set the x-multifd-page-count and x-multifd-channels.
>
> Signed-off-by: Juan Quintela <quintela@redhat.com>
This should probably go nearer the end of the series;
we've also got the problem that things are a bit delicate with TCG so
adding more migration tests probably shouldn't happen until Paolo's
TCG fixes are worked out.
Also, should we be checking for some stats to show all 4 channels were
used?
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
> 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
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK