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Wed, 18 Dec 2019 05:04:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576645490; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=s1nkmlv34bXpJjjAp06LNzSqEhMoyMdeErSNU1L6v7M=; b=Ek9IyssxRw4vKFHol6lAv5XEdUhqb+PulQ0Ci3CcZCrTKmoZlULEX3WRTfMpC6c7Zo058g cZzJ1Nc4qp4KZitaikCVIhZZg2ZORFYr8DrGPhg1Z1Yvqpu/IFzyB6+GAxC2lxtlNYi7LJ zdDlpo15lsS5+niFi63CVguJY+xXSaA= From: Juan Quintela To: qemu-devel@nongnu.org Subject: [PATCH 3/4] migration-test: Make sure that multifd and cancel works Date: Wed, 18 Dec 2019 06:04:38 +0100 Message-Id: <20191218050439.5989-4-quintela@redhat.com> In-Reply-To: <20191218050439.5989-1-quintela@redhat.com> References: <20191218050439.5989-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-MC-Unique: KB_CbUnZNqeMISLBcKvR9w-1 X-Mimecast-Spam-Score: 0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Paolo Bonzini , Thomas Huth , "Dr. David Alan Gilbert" , Juan Quintela Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Test that this sequerce works: - launch source - launch target - start migration - cancel migration - relaunch target - do migration again Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert --- tests/migration-test.c | 108 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 107 insertions(+), 1 deletion(-) diff --git a/tests/migration-test.c b/tests/migration-test.c index 7588f50b9b..1c93b3e5bc 100644 --- a/tests/migration-test.c +++ b/tests/migration-test.c @@ -527,6 +527,14 @@ static void migrate_recover(QTestState *who, const cha= r *uri) qobject_unref(rsp); } =20 +static void migrate_cancel(QTestState *who) +{ + QDict *rsp; + + rsp =3D wait_command(who, "{ 'execute': 'migrate_cancel' }"); + qobject_unref(rsp); +} + static void migrate_set_capability(QTestState *who, const char *capability, bool value) { @@ -583,6 +591,8 @@ static void migrate_postcopy_start(QTestState *from, QT= estState *to) typedef struct { bool hide_stderr; bool use_shmem; + /* only launch the target process */ + bool only_target; char *opts_source; char *opts_target; } MigrateStart; @@ -704,7 +714,9 @@ static int test_migrate_start(QTestState **from, QTestS= tate **to, arch_source, shmem_opts, args->opts_sourc= e, ignore_stderr); g_free(arch_source); - *from =3D qtest_init(cmd_source); + if (!args->only_target) { + *from =3D qtest_init(cmd_source); + } g_free(cmd_source); =20 cmd_target =3D g_strdup_printf("-machine %saccel=3Dkvm:tcg%s " @@ -1470,6 +1482,99 @@ static void test_multifd_tcp_zstd(void) test_multifd_tcp("zstd"); } =20 +/* + * This test does: + * source target + * migrate_incoming + * migrate + * migrate_cancel + * launch another target + * migrate + * + * And see that it works + */ + +static void test_multifd_tcp_cancel(void) +{ + MigrateStart *args =3D migrate_start_new(); + QTestState *from, *to; + QDict *rsp; + char *uri; + + if (test_migrate_start(&from, &to, "defer", args)) { + 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_int(from, "downtime-limit", 1); + /* 1GB/s */ + migrate_set_parameter_int(from, "max-bandwidth", 1000000000); + + migrate_set_parameter_int(from, "multifd-channels", 16); + migrate_set_parameter_int(to, "multifd-channels", 16); + + migrate_set_capability(from, "multifd", "true"); + migrate_set_capability(to, "multifd", "true"); + + /* Start incoming migration from the 1st socket */ + rsp =3D wait_command(to, "{ 'execute': 'migrate-incoming'," + " 'arguments': { 'uri': 'tcp:127.0.0.1:0' }}"); + qobject_unref(rsp); + + /* Wait for the first serial output from the source */ + wait_for_serial("src_serial"); + + uri =3D migrate_get_socket_address(to, "socket-address"); + + migrate(from, uri, "{}"); + + wait_for_migration_pass(from); + + printf("before cancel\n"); + migrate_cancel(from); + printf("after cancel\n"); + + args =3D migrate_start_new(); + args->only_target =3D true; + + if (test_migrate_start(&from, &to, "defer", args)) { + return; + } + + migrate_set_parameter_int(to, "multifd-channels", 16); + + migrate_set_capability(to, "multifd", "true"); + + /* Start incoming migration from the 1st socket */ + rsp =3D wait_command(to, "{ 'execute': 'migrate-incoming'," + " 'arguments': { 'uri': 'tcp:127.0.0.1:0' }}"); + qobject_unref(rsp); + + /* 300ms it should converge */ + migrate_set_parameter_int(from, "downtime-limit", 600); + + uri =3D migrate_get_socket_address(to, "socket-address"); + + migrate(from, uri, "{}"); + + wait_for_migration_pass(from); + + 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); + free(uri); +} + int main(int argc, char **argv) { char template[] =3D "/tmp/migration-test-XXXXXX"; @@ -1537,6 +1642,7 @@ int main(int argc, char **argv) qtest_add_func("/migration/multifd/tcp/none", test_multifd_tcp_none); qtest_add_func("/migration/multifd/tcp/zlib", test_multifd_tcp_zlib); qtest_add_func("/migration/multifd/tcp/zstd", test_multifd_tcp_zstd); + qtest_add_func("/migration/multifd/tcp/cancel", test_multifd_tcp_cance= l); =20 ret =3D g_test_run(); =20 --=20 2.23.0