#include "libqtest.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qjson.h"
+#include "qemu/module.h"
#include "qemu/option.h"
#include "qemu/range.h"
#include "qemu/sockets.h"
#include "chardev/char.h"
#include "sysemu/sysemu.h"
+#include "qapi/qapi-visit-sockets.h"
+#include "qapi/qobject-input-visitor.h"
+#include "qapi/qobject-output-visitor.h"
#include "migration/migration-test.h"
*/
#include "tests/migration/i386/a-b-bootblock.h"
#include "tests/migration/aarch64/a-b-kernel.h"
-
-static void init_bootfile(const char *bootpath, void *content)
-{
- FILE *bootfile = fopen(bootpath, "wb");
-
- g_assert_cmpint(fwrite(content, 512, 1, bootfile), ==, 1);
- fclose(bootfile);
-}
-
#include "tests/migration/s390x/a-b-bios.h"
-static void init_bootfile_s390x(const char *bootpath)
+static void init_bootfile(const char *bootpath, void *content, size_t len)
{
FILE *bootfile = fopen(bootpath, "wb");
- size_t len = sizeof(s390x_elf);
- g_assert_cmpint(fwrite(s390x_elf, len, 1, bootfile), ==, 1);
+ g_assert_cmpint(fwrite(content, len, 1, bootfile), ==, 1);
fclose(bootfile);
}
}
}
+/*
+ * Events can get in the way of responses we are actually waiting for.
+ */
+GCC_FMT_ATTR(3, 4)
+static QDict *wait_command_fd(QTestState *who, int fd, const char *command, ...)
+{
+ va_list ap;
+
+ va_start(ap, command);
+ qtest_qmp_vsend_fds(who, &fd, 1, command, ap);
+ va_end(ap);
+
+ return qtest_qmp_receive_success(who, stop_cb, NULL);
+}
+
/*
* Events can get in the way of responses we are actually waiting for.
*/
* events suddenly appearing confuse the qmp()/hmp() responses.
*/
-static uint64_t get_migration_pass(QTestState *who)
+static int64_t read_ram_property_int(QTestState *who, const char *property)
{
QDict *rsp_return, *rsp_ram;
- uint64_t result;
+ int64_t result;
rsp_return = migrate_query(who);
if (!qdict_haskey(rsp_return, "ram")) {
result = 0;
} else {
rsp_ram = qdict_get_qdict(rsp_return, "ram");
- result = qdict_get_try_int(rsp_ram, "dirty-sync-count", 0);
+ result = qdict_get_try_int(rsp_ram, property, 0);
}
qobject_unref(rsp_return);
return result;
}
+static uint64_t get_migration_pass(QTestState *who)
+{
+ return read_ram_property_int(who, "dirty-sync-count");
+}
+
static void read_blocktime(QTestState *who)
{
QDict *rsp_return;
g_free(path);
}
+static char *get_shmem_opts(const char *mem_size, const char *shmem_path)
+{
+ return g_strdup_printf("-object memory-backend-file,id=mem0,size=%s"
+ ",mem-path=%s,share=on -numa node,memdev=mem0",
+ mem_size, shmem_path);
+}
+
+static char *SocketAddress_to_str(SocketAddress *addr)
+{
+ switch (addr->type) {
+ case SOCKET_ADDRESS_TYPE_INET:
+ return g_strdup_printf("tcp:%s:%s",
+ addr->u.inet.host,
+ addr->u.inet.port);
+ case SOCKET_ADDRESS_TYPE_UNIX:
+ return g_strdup_printf("unix:%s",
+ addr->u.q_unix.path);
+ case SOCKET_ADDRESS_TYPE_FD:
+ return g_strdup_printf("fd:%s", addr->u.fd.str);
+ case SOCKET_ADDRESS_TYPE_VSOCK:
+ return g_strdup_printf("tcp:%s:%s",
+ addr->u.vsock.cid,
+ addr->u.vsock.port);
+ default:
+ return g_strdup("unknown address type");
+ }
+}
+
+static char *migrate_get_socket_address(QTestState *who, const char *parameter)
+{
+ QDict *rsp;
+ char *result;
+ Error *local_err = NULL;
+ SocketAddressList *addrs;
+ Visitor *iv = NULL;
+ QObject *object;
+
+ rsp = migrate_query(who);
+ object = qdict_get(rsp, parameter);
+
+ iv = qobject_input_visitor_new(object);
+ visit_type_SocketAddressList(iv, NULL, &addrs, &local_err);
+ visit_free(iv);
+
+ /* we are only using a single address */
+ result = SocketAddress_to_str(addrs->value);
+
+ qapi_free_SocketAddressList(addrs);
+ qobject_unref(rsp);
+ return result;
+}
+
+static long long migrate_get_parameter(QTestState *who, const char *parameter)
+{
+ QDict *rsp;
+ long long result;
+
+ rsp = wait_command(who, "{ 'execute': 'query-migrate-parameters' }");
+ result = qdict_get_int(rsp, parameter);
+ qobject_unref(rsp);
+ return result;
+}
+
static void migrate_check_parameter(QTestState *who, const char *parameter,
long long value)
{
- QDict *rsp_return;
+ long long result;
- rsp_return = wait_command(who,
- "{ 'execute': 'query-migrate-parameters' }");
- g_assert_cmpint(qdict_get_int(rsp_return, parameter), ==, value);
- qobject_unref(rsp_return);
+ result = migrate_get_parameter(who, parameter);
+ g_assert_cmpint(result, ==, value);
}
static void migrate_set_parameter(QTestState *who, const char *parameter,
qdict_put_str(args, "uri", uri);
rsp = qmp("{ 'execute': 'migrate', 'arguments': %p}", args);
+
g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
}
}
static int test_migrate_start(QTestState **from, QTestState **to,
- const char *uri, bool hide_stderr)
+ const char *uri, bool hide_stderr,
+ bool use_shmem)
{
gchar *cmd_src, *cmd_dst;
- char *bootpath = g_strdup_printf("%s/bootsect", tmpfs);
+ char *bootpath = NULL;
+ char *extra_opts = NULL;
+ char *shmem_path = NULL;
const char *arch = qtest_get_arch();
const char *accel = "kvm:tcg";
- got_stop = false;
+ if (use_shmem) {
+ if (!g_file_test("/dev/shm", G_FILE_TEST_IS_DIR)) {
+ g_test_skip("/dev/shm is not supported");
+ return -1;
+ }
+ shmem_path = g_strdup_printf("/dev/shm/qemu-%d", getpid());
+ }
+ got_stop = false;
+ bootpath = g_strdup_printf("%s/bootsect", tmpfs);
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
- init_bootfile(bootpath, x86_bootsect);
+ /* the assembled x86 boot sector should be exactly one sector large */
+ assert(sizeof(x86_bootsect) == 512);
+ init_bootfile(bootpath, x86_bootsect, sizeof(x86_bootsect));
+ extra_opts = use_shmem ? get_shmem_opts("150M", shmem_path) : NULL;
cmd_src = g_strdup_printf("-machine accel=%s -m 150M"
" -name source,debug-threads=on"
" -serial file:%s/src_serial"
- " -drive file=%s,format=raw",
- accel, tmpfs, bootpath);
+ " -drive file=%s,format=raw %s",
+ accel, tmpfs, bootpath,
+ extra_opts ? extra_opts : "");
cmd_dst = g_strdup_printf("-machine accel=%s -m 150M"
" -name target,debug-threads=on"
" -serial file:%s/dest_serial"
" -drive file=%s,format=raw"
- " -incoming %s",
- accel, tmpfs, bootpath, uri);
+ " -incoming %s %s",
+ accel, tmpfs, bootpath, uri,
+ extra_opts ? extra_opts : "");
start_address = X86_TEST_MEM_START;
end_address = X86_TEST_MEM_END;
} else if (g_str_equal(arch, "s390x")) {
- init_bootfile_s390x(bootpath);
+ init_bootfile(bootpath, s390x_elf, sizeof(s390x_elf));
+ extra_opts = use_shmem ? get_shmem_opts("128M", shmem_path) : NULL;
cmd_src = g_strdup_printf("-machine accel=%s -m 128M"
" -name source,debug-threads=on"
- " -serial file:%s/src_serial -bios %s",
- accel, tmpfs, bootpath);
+ " -serial file:%s/src_serial -bios %s %s",
+ accel, tmpfs, bootpath,
+ extra_opts ? extra_opts : "");
cmd_dst = g_strdup_printf("-machine accel=%s -m 128M"
" -name target,debug-threads=on"
" -serial file:%s/dest_serial -bios %s"
- " -incoming %s",
- accel, tmpfs, bootpath, uri);
+ " -incoming %s %s",
+ accel, tmpfs, bootpath, uri,
+ extra_opts ? extra_opts : "");
start_address = S390_TEST_MEM_START;
end_address = S390_TEST_MEM_END;
} else if (strcmp(arch, "ppc64") == 0) {
+ extra_opts = use_shmem ? get_shmem_opts("256M", shmem_path) : NULL;
cmd_src = g_strdup_printf("-machine accel=%s -m 256M -nodefaults"
" -name source,debug-threads=on"
" -serial file:%s/src_serial"
" -prom-env 'use-nvramrc?=true' -prom-env "
"'nvramrc=hex .\" _\" begin %x %x "
"do i c@ 1 + i c! 1000 +loop .\" B\" 0 "
- "until'", accel, tmpfs, end_address,
- start_address);
+ "until' %s", accel, tmpfs, end_address,
+ start_address, extra_opts ? extra_opts : "");
cmd_dst = g_strdup_printf("-machine accel=%s -m 256M"
" -name target,debug-threads=on"
" -serial file:%s/dest_serial"
- " -incoming %s",
- accel, tmpfs, uri);
+ " -incoming %s %s",
+ accel, tmpfs, uri,
+ extra_opts ? extra_opts : "");
start_address = PPC_TEST_MEM_START;
end_address = PPC_TEST_MEM_END;
} else if (strcmp(arch, "aarch64") == 0) {
- init_bootfile(bootpath, aarch64_kernel);
+ init_bootfile(bootpath, aarch64_kernel, sizeof(aarch64_kernel));
+ extra_opts = use_shmem ? get_shmem_opts("150M", shmem_path) : NULL;
cmd_src = g_strdup_printf("-machine virt,accel=%s,gic-version=max "
"-name vmsource,debug-threads=on -cpu max "
"-m 150M -serial file:%s/src_serial "
- "-kernel %s ",
- accel, tmpfs, bootpath);
+ "-kernel %s %s",
+ accel, tmpfs, bootpath,
+ extra_opts ? extra_opts : "");
cmd_dst = g_strdup_printf("-machine virt,accel=%s,gic-version=max "
"-name vmdest,debug-threads=on -cpu max "
"-m 150M -serial file:%s/dest_serial "
"-kernel %s "
- "-incoming %s ",
- accel, tmpfs, bootpath, uri);
+ "-incoming %s %s",
+ accel, tmpfs, bootpath, uri,
+ extra_opts ? extra_opts : "");
start_address = ARM_TEST_MEM_START;
end_address = ARM_TEST_MEM_END;
}
g_free(bootpath);
+ g_free(extra_opts);
if (hide_stderr) {
gchar *tmp;
*to = qtest_init(cmd_dst);
g_free(cmd_dst);
+
+ /*
+ * Remove shmem file immediately to avoid memory leak in test failed case.
+ * It's valid becase QEMU has already opened this file
+ */
+ if (use_shmem) {
+ unlink(shmem_path);
+ g_free(shmem_path);
+ }
+
return 0;
}
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;
deprecated_set_downtime(from, 0.12345);
deprecated_set_speed(from, 12345);
+ deprecated_set_cache_size(from, 4096);
qtest_quit(from);
}
char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
QTestState *from, *to;
- if (test_migrate_start(&from, &to, uri, hide_error)) {
+ if (test_migrate_start(&from, &to, uri, hide_error, false)) {
return -1;
}
char *status;
bool failed;
- if (test_migrate_start(&from, &to, "tcp:0:0", true)) {
+ if (test_migrate_start(&from, &to, "tcp:0:0", true, false)) {
return;
}
migrate(from, "tcp:0:0", "{}");
char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
QTestState *from, *to;
- if (test_migrate_start(&from, &to, uri, false)) {
+ if (test_migrate_start(&from, &to, uri, false, false)) {
return;
}
g_free(uri);
}
+#if 0
+/* Currently upset on aarch64 TCG */
+static void test_ignore_shared(void)
+{
+ char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
+ QTestState *from, *to;
+
+ if (test_migrate_start(&from, &to, uri, false, true)) {
+ return;
+ }
+
+ migrate_set_capability(from, "x-ignore-shared", true);
+ migrate_set_capability(to, "x-ignore-shared", true);
+
+ /* Wait for the first serial output from the source */
+ wait_for_serial("src_serial");
+
+ 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);
+
+ /* Check whether shared RAM has been really skipped */
+ g_assert_cmpint(read_ram_property_int(from, "transferred"), <, 1024 * 1024);
+
+ test_migrate_end(from, to, true);
+ g_free(uri);
+}
+#endif
+
+static void test_xbzrle(const char *uri)
+{
+ QTestState *from, *to;
+
+ if (test_migrate_start(&from, &to, uri, false, 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);
+}
+
+static void test_precopy_tcp(void)
+{
+ char *uri;
+ QTestState *from, *to;
+
+ if (test_migrate_start(&from, &to, "tcp:127.0.0.1:0", false, 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);
+
+ /* Wait for the first serial output from the source */
+ wait_for_serial("src_serial");
+
+ uri = migrate_get_socket_address(to, "socket-address");
+
+ 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);
+ g_free(uri);
+}
+
+static void test_migrate_fd_proto(void)
+{
+ QTestState *from, *to;
+ int ret;
+ int pair[2];
+ QDict *rsp;
+ const char *error_desc;
+
+ if (test_migrate_start(&from, &to, "defer", false, 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);
+
+ /* Wait for the first serial output from the source */
+ wait_for_serial("src_serial");
+
+ /* Create two connected sockets for migration */
+ ret = socketpair(PF_LOCAL, SOCK_STREAM, 0, pair);
+ g_assert_cmpint(ret, ==, 0);
+
+ /* Send the 1st socket to the target */
+ rsp = wait_command_fd(to, pair[0],
+ "{ 'execute': 'getfd',"
+ " 'arguments': { 'fdname': 'fd-mig' }}");
+ qobject_unref(rsp);
+ close(pair[0]);
+
+ /* Start incoming migration from the 1st socket */
+ rsp = wait_command(to, "{ 'execute': 'migrate-incoming',"
+ " 'arguments': { 'uri': 'fd:fd-mig' }}");
+ qobject_unref(rsp);
+
+ /* Send the 2nd socket to the target */
+ rsp = wait_command_fd(from, pair[1],
+ "{ 'execute': 'getfd',"
+ " 'arguments': { 'fdname': 'fd-mig' }}");
+ qobject_unref(rsp);
+ close(pair[1]);
+
+ /* Start migration to the 2nd socket*/
+ migrate(from, "fd:fd-mig", "{}");
+
+ 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");
+
+ /* Test closing fds */
+ /* We assume, that QEMU removes named fd from its list,
+ * so this should fail */
+ rsp = qtest_qmp(from, "{ 'execute': 'closefd',"
+ " 'arguments': { 'fdname': 'fd-mig' }}");
+ g_assert_true(qdict_haskey(rsp, "error"));
+ error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc");
+ g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found");
+ qobject_unref(rsp);
+
+ rsp = qtest_qmp(to, "{ 'execute': 'closefd',"
+ " 'arguments': { 'fdname': 'fd-mig' }}");
+ g_assert_true(qdict_haskey(rsp, "error"));
+ error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc");
+ g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found");
+ qobject_unref(rsp);
+
+ /* Complete migration */
+ 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";
tmpfs = mkdtemp(template);
if (!tmpfs) {
- g_test_message("mkdtemp on path (%s): %s\n", template, strerror(errno));
+ g_test_message("mkdtemp on path (%s): %s", template, strerror(errno));
}
g_assert(tmpfs);
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/precopy/tcp", test_precopy_tcp);
+ /* qtest_add_func("/migration/ignore_shared", test_ignore_shared); */
+ qtest_add_func("/migration/xbzrle/unix", test_xbzrle_unix);
+ qtest_add_func("/migration/fd_proto", test_migrate_fd_proto);
ret = g_test_run();
ret = rmdir(tmpfs);
if (ret != 0) {
- g_test_message("unable to rmdir: path (%s): %s\n",
+ g_test_message("unable to rmdir: path (%s): %s",
tmpfs, strerror(errno));
}
projects / mirror_qemu.git / blobdiff