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Re: [PATCH 2/5] tests: wait for migration completion before looking for
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [PATCH 2/5] tests: wait for migration completion before looking for STOP event |
Date: |
Tue, 28 Jun 2022 15:08:29 +0100 |
User-agent: |
Mutt/2.2.6 (2022-06-05) |
* Daniel P. Berrangé (berrange@redhat.com) wrote:
> When moving into the convergance phase, the precopy tests will first
> look for a STOP event and once found will look for migration completion
> status. If the test VM is not converging, the test suite will be waiting
> for the STOP event forever. If we wait for the migration completion
> status first, then we will trigger the previously added timeout and
> prevent the test hanging forever.
Yeh OK, I guess we might end up with a similar time limit being added to
qtest_qmp_eventwait.
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> ---
> tests/qtest/migration-test.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
> index d33e8060f9..ac9e303b1f 100644
> --- a/tests/qtest/migration-test.c
> +++ b/tests/qtest/migration-test.c
> @@ -1232,6 +1232,10 @@ static void test_precopy_common(MigrateCommon *args)
>
> migrate_set_parameter_int(from, "downtime-limit", CONVERGE_DOWNTIME);
>
> + /* We do this first, as it has a timeout to stop us
> + * hanging forever if migration didn't converge */
> + wait_for_migration_complete(from);
> +
> if (!got_stop) {
> qtest_qmp_eventwait(from, "STOP");
> }
> @@ -1239,7 +1243,6 @@ static void test_precopy_common(MigrateCommon *args)
> qtest_qmp_eventwait(to, "RESUME");
>
> wait_for_serial("dest_serial");
> - wait_for_migration_complete(from);
> }
>
> if (args->finish_hook) {
> --
> 2.36.1
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
- [PATCH 0/5] tests: improve reliability of migration test, Daniel P . Berrangé, 2022/06/28
- [PATCH 1/5] tests: wait max 120 seconds for migration test status changes, Daniel P . Berrangé, 2022/06/28
- [PATCH 2/5] tests: wait for migration completion before looking for STOP event, Daniel P . Berrangé, 2022/06/28
- [PATCH 4/5] tests: use consistent bandwidth/downtime limits in migration tests, Daniel P . Berrangé, 2022/06/28
- [RFC PATCH 5/5] tests: stop skipping migration test on s390x/ppc64, Daniel P . Berrangé, 2022/06/28
- [PATCH 3/5] tests: increase migration test converge downtime to 30 seconds, Daniel P . Berrangé, 2022/06/28
- Re: [PATCH 0/5] tests: improve reliability of migration test, Thomas Huth, 2022/06/28