#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"
-const unsigned start_address = 1024 * 1024;
-const unsigned end_address = 100 * 1024 * 1024;
+#include "migration/migration-test.h"
+
+/* TODO actually test the results and get rid of this */
+#define qtest_qmp_discard_response(...) qobject_unref(qtest_qmp(__VA_ARGS__))
+
+unsigned start_address;
+unsigned end_address;
bool got_stop;
static bool uffd_feature_thread_id;
static const char *tmpfs;
-/* A simple PC boot sector that modifies memory (1-100MB) quickly
- * outputting a 'B' every so often if it's still running.
+/* The boot file modifies memory area in [start_address, end_address)
+ * repeatedly. It outputs a 'B' at a fixed rate while it's still running.
*/
-#include "tests/migration/x86-a-b-bootblock.h"
+#include "tests/migration/i386/a-b-bootblock.h"
+#include "tests/migration/aarch64/a-b-kernel.h"
+#include "tests/migration/s390x/a-b-bios.h"
-static void init_bootfile_x86(const char *bootpath)
+static void init_bootfile(const char *bootpath, void *content, size_t len)
{
FILE *bootfile = fopen(bootpath, "wb");
- g_assert_cmpint(fwrite(x86_bootsect, 512, 1, bootfile), ==, 1);
+ g_assert_cmpint(fwrite(content, len, 1, bootfile), ==, 1);
fclose(bootfile);
}
} while (true);
}
+static void stop_cb(void *opaque, const char *name, QDict *data)
+{
+ if (!strcmp(name, "STOP")) {
+ got_stop = true;
+ }
+}
+
/*
* Events can get in the way of responses we are actually waiting for.
*/
-static QDict *wait_command(QTestState *who, const char *command)
+GCC_FMT_ATTR(3, 4)
+static QDict *wait_command_fd(QTestState *who, int fd, const char *command, ...)
{
- const char *event_string;
- QDict *response;
+ va_list ap;
- response = qtest_qmp(who, command);
+ va_start(ap, command);
+ qtest_qmp_vsend_fds(who, &fd, 1, command, ap);
+ va_end(ap);
- while (qdict_haskey(response, "event")) {
- /* OK, it was an event */
- event_string = qdict_get_str(response, "event");
- if (!strcmp(event_string, "STOP")) {
- got_stop = true;
- }
- qobject_unref(response);
- response = qtest_qmp_receive(who);
- }
- return response;
+ return qtest_qmp_receive_success(who, stop_cb, NULL);
+}
+
+/*
+ * Events can get in the way of responses we are actually waiting for.
+ */
+GCC_FMT_ATTR(2, 3)
+static QDict *wait_command(QTestState *who, const char *command, ...)
+{
+ va_list ap;
+
+ va_start(ap, command);
+ qtest_qmp_vsend(who, command, ap);
+ va_end(ap);
+
+ return qtest_qmp_receive_success(who, stop_cb, NULL);
+}
+
+/*
+ * Note: caller is responsible to free the returned object via
+ * qobject_unref() after use
+ */
+static QDict *migrate_query(QTestState *who)
+{
+ return wait_command(who, "{ 'execute': 'query-migrate' }");
}
+/*
+ * Note: caller is responsible to free the returned object via
+ * g_free() after use
+ */
+static gchar *migrate_query_status(QTestState *who)
+{
+ QDict *rsp_return = migrate_query(who);
+ gchar *status = g_strdup(qdict_get_str(rsp_return, "status"));
+
+ g_assert(status);
+ qobject_unref(rsp_return);
+
+ return status;
+}
/*
* It's tricky to use qemu's migration event capability with qtest,
* 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, *rsp_return, *rsp_ram;
- uint64_t result;
+ QDict *rsp_return, *rsp_ram;
+ int64_t result;
- rsp = wait_command(who, "{ 'execute': 'query-migrate' }");
- rsp_return = qdict_get_qdict(rsp, "return");
+ rsp_return = migrate_query(who);
if (!qdict_haskey(rsp_return, "ram")) {
/* Still in setup */
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);
+ 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, *rsp_return;
+ QDict *rsp_return;
- rsp = wait_command(who, "{ 'execute': 'query-migrate' }");
- rsp_return = qdict_get_qdict(rsp, "return");
+ rsp_return = migrate_query(who);
g_assert(qdict_haskey(rsp_return, "postcopy-blocktime"));
- qobject_unref(rsp);
+ qobject_unref(rsp_return);
}
-static void wait_for_migration_complete(QTestState *who)
+static void wait_for_migration_status(QTestState *who,
+ const char *goal)
{
while (true) {
- QDict *rsp, *rsp_return;
bool completed;
- const char *status;
+ char *status;
- rsp = wait_command(who, "{ 'execute': 'query-migrate' }");
- rsp_return = qdict_get_qdict(rsp, "return");
- status = qdict_get_str(rsp_return, "status");
- completed = strcmp(status, "completed") == 0;
+ status = migrate_query_status(who);
+ completed = strcmp(status, goal) == 0;
g_assert_cmpstr(status, !=, "failed");
- qobject_unref(rsp);
+ g_free(status);
if (completed) {
return;
}
}
}
+static void wait_for_migration_complete(QTestState *who)
+{
+ wait_for_migration_status(who, "completed");
+}
+
static void wait_for_migration_pass(QTestState *who)
{
uint64_t initial_pass = get_migration_pass(who);
static void check_guests_ram(QTestState *who)
{
/* Our ASM test will have been incrementing one byte from each page from
- * 1MB to <100MB in order.
- * This gives us a constraint that any page's byte should be equal or less
- * than the previous pages byte (mod 256); and they should all be equal
- * except for one transition at the point where we meet the incrementer.
- * (We're running this with the guest stopped).
+ * start_address to < end_address in order. This gives us a constraint
+ * that any page's byte should be equal or less than the previous pages
+ * byte (mod 256); and they should all be equal except for one transition
+ * at the point where we meet the incrementer. (We're running this with
+ * the guest stopped).
*/
unsigned address;
uint8_t first_byte;
qtest_memread(who, start_address, &first_byte, 1);
last_byte = first_byte;
- for (address = start_address + 4096; address < end_address; address += 4096)
+ for (address = start_address + TEST_MEM_PAGE_SIZE; address < end_address;
+ address += TEST_MEM_PAGE_SIZE)
{
uint8_t b;
qtest_memread(who, address, &b, 1);
* to us yet.
*/
hit_edge = true;
+ last_byte = b;
} else {
fprintf(stderr, "Memory content inconsistency at %x"
" first_byte = %x last_byte = %x current = %x"
bad = true;
}
}
- last_byte = b;
}
g_assert_false(bad);
}
g_free(path);
}
-static void migrate_check_parameter(QTestState *who, const char *parameter,
- const char *value)
+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, *rsp_return;
+ 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' }");
- rsp_return = qdict_get_qdict(rsp, "return");
- result = g_strdup_printf("%" PRId64,
- qdict_get_try_int(rsp_return, parameter, -1));
- g_assert_cmpstr(result, ==, value);
- g_free(result);
+ result = qdict_get_int(rsp, parameter);
qobject_unref(rsp);
+ return result;
+}
+
+static void migrate_check_parameter(QTestState *who, const char *parameter,
+ long long value)
+{
+ long long result;
+
+ result = migrate_get_parameter(who, parameter);
+ g_assert_cmpint(result, ==, value);
}
static void migrate_set_parameter(QTestState *who, const char *parameter,
- const char *value)
+ long long value)
{
QDict *rsp;
- gchar *cmd;
- cmd = g_strdup_printf("{ 'execute': 'migrate-set-parameters',"
- "'arguments': { '%s': %s } }",
- parameter, value);
- rsp = qtest_qmp(who, cmd);
- g_free(cmd);
+ rsp = qtest_qmp(who,
+ "{ 'execute': 'migrate-set-parameters',"
+ "'arguments': { %s: %lld } }",
+ parameter, value);
g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
migrate_check_parameter(who, parameter, value);
}
+static void migrate_pause(QTestState *who)
+{
+ QDict *rsp;
+
+ rsp = wait_command(who, "{ 'execute': 'migrate-pause' }");
+ qobject_unref(rsp);
+}
+
+static void migrate_recover(QTestState *who, const char *uri)
+{
+ QDict *rsp;
+
+ rsp = wait_command(who,
+ "{ 'execute': 'migrate-recover', "
+ " 'id': 'recover-cmd', "
+ " 'arguments': { 'uri': %s } }",
+ uri);
+ qobject_unref(rsp);
+}
+
static void migrate_set_capability(QTestState *who, const char *capability,
- const char *value)
+ bool value)
{
QDict *rsp;
- gchar *cmd;
-
- cmd = g_strdup_printf("{ 'execute': 'migrate-set-capabilities',"
- "'arguments': { "
- "'capabilities': [ { "
- "'capability': '%s', 'state': %s } ] } }",
- capability, value);
- rsp = qtest_qmp(who, cmd);
- g_free(cmd);
+
+ rsp = qtest_qmp(who,
+ "{ 'execute': 'migrate-set-capabilities',"
+ "'arguments': { "
+ "'capabilities': [ { "
+ "'capability': %s, 'state': %i } ] } }",
+ capability, value);
g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
}
-static void migrate(QTestState *who, const char *uri)
+/*
+ * Send QMP command "migrate".
+ * Arguments are built from @fmt... (formatted like
+ * qobject_from_jsonf_nofail()) with "uri": @uri spliced in.
+ */
+GCC_FMT_ATTR(3, 4)
+static void migrate(QTestState *who, const char *uri, const char *fmt, ...)
{
- QDict *rsp;
- gchar *cmd;
+ va_list ap;
+ QDict *args, *rsp;
+
+ va_start(ap, fmt);
+ args = qdict_from_vjsonf_nofail(fmt, ap);
+ va_end(ap);
+
+ g_assert(!qdict_haskey(args, "uri"));
+ qdict_put_str(args, "uri", uri);
+
+ rsp = qmp("{ 'execute': 'migrate', 'arguments': %p}", args);
- cmd = g_strdup_printf("{ 'execute': 'migrate',"
- "'arguments': { 'uri': '%s' } }",
- uri);
- rsp = qtest_qmp(who, cmd);
- g_free(cmd);
g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
}
QDict *rsp;
rsp = wait_command(from, "{ 'execute': 'migrate-start-postcopy' }");
- g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
if (!got_stop) {
}
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_x86(bootpath);
+ /* 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(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 %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 %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) {
-
- /* On ppc64, the test only works with kvm-hv, but not with kvm-pr
- * and TCG is touchy due to race conditions on dirty bits
- * (especially on PPC for some reason)
- */
- if (access("/sys/module/kvm_hv", F_OK)) {
- g_print("Skipping test: kvm_hv not available ");
- return -1;
- }
- cmd_src = g_strdup_printf("-machine accel=%s -m 256M"
+ 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 '"
- "boot-command=hex .\" _\" begin %x %x "
+ " -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, 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 %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 %s",
+ accel, tmpfs, bootpath, uri,
+ extra_opts ? extra_opts : "");
+
+ start_address = ARM_TEST_MEM_START;
+ end_address = ARM_TEST_MEM_END;
+
+ g_assert(sizeof(aarch64_kernel) <= ARM_TEST_MAX_KERNEL_SIZE);
} else {
g_assert_not_reached();
}
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;
}
static void deprecated_set_downtime(QTestState *who, const double value)
{
QDict *rsp;
- gchar *cmd;
- char *expected;
- int64_t result_int;
-
- cmd = g_strdup_printf("{ 'execute': 'migrate_set_downtime',"
- "'arguments': { 'value': %g } }", value);
- rsp = qtest_qmp(who, cmd);
- g_free(cmd);
+
+ rsp = qtest_qmp(who,
+ "{ 'execute': 'migrate_set_downtime',"
+ " 'arguments': { 'value': %f } }", value);
g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
- result_int = value * 1000L;
- expected = g_strdup_printf("%" PRId64, result_int);
- migrate_check_parameter(who, "downtime-limit", expected);
- g_free(expected);
+ migrate_check_parameter(who, "downtime-limit", value * 1000);
}
-static void deprecated_set_speed(QTestState *who, const char *value)
+static void deprecated_set_speed(QTestState *who, long long value)
{
QDict *rsp;
- gchar *cmd;
- cmd = g_strdup_printf("{ 'execute': 'migrate_set_speed',"
- "'arguments': { 'value': %s } }", value);
- rsp = qtest_qmp(who, cmd);
- g_free(cmd);
+ rsp = qtest_qmp(who, "{ 'execute': 'migrate_set_speed',"
+ "'arguments': { 'value': %lld } }", value);
g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
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;
- from = qtest_start("");
+ from = qtest_start("-machine none");
deprecated_set_downtime(from, 0.12345);
- deprecated_set_speed(from, "12345");
+ deprecated_set_speed(from, 12345);
+ deprecated_set_cache_size(from, 4096);
qtest_quit(from);
}
static int migrate_postcopy_prepare(QTestState **from_ptr,
- QTestState **to_ptr)
+ QTestState **to_ptr,
+ bool hide_error)
{
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, hide_error, false)) {
return -1;
}
- migrate_set_capability(from, "postcopy-ram", "true");
- migrate_set_capability(to, "postcopy-ram", "true");
- migrate_set_capability(to, "postcopy-blocktime", "true");
+ migrate_set_capability(from, "postcopy-ram", true);
+ migrate_set_capability(to, "postcopy-ram", true);
+ migrate_set_capability(to, "postcopy-blocktime", true);
/* 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.
*/
- migrate_set_parameter(from, "max-bandwidth", "100000000");
- migrate_set_parameter(from, "downtime-limit", "1");
+ migrate_set_parameter(from, "max-bandwidth", 100000000);
+ migrate_set_parameter(from, "downtime-limit", 1);
/* Wait for the first serial output from the source */
wait_for_serial("src_serial");
- migrate(from, uri);
+ migrate(from, uri, "{}");
g_free(uri);
wait_for_migration_pass(from);
{
QTestState *from, *to;
- if (migrate_postcopy_prepare(&from, &to)) {
+ if (migrate_postcopy_prepare(&from, &to, false)) {
return;
}
migrate_postcopy_start(from, to);
migrate_postcopy_complete(from, to);
}
+static void test_postcopy_recovery(void)
+{
+ QTestState *from, *to;
+ char *uri;
+
+ if (migrate_postcopy_prepare(&from, &to, true)) {
+ return;
+ }
+
+ /* Turn postcopy speed down, 4K/s is slow enough on any machines */
+ migrate_set_parameter(from, "max-postcopy-bandwidth", 4096);
+
+ /* Now we start the postcopy */
+ migrate_postcopy_start(from, to);
+
+ /*
+ * Wait until postcopy is really started; we can only run the
+ * migrate-pause command during a postcopy
+ */
+ wait_for_migration_status(from, "postcopy-active");
+
+ /*
+ * Manually stop the postcopy migration. This emulates a network
+ * failure with the migration socket
+ */
+ migrate_pause(from);
+
+ /*
+ * Wait for destination side to reach postcopy-paused state. The
+ * migrate-recover command can only succeed if destination machine
+ * is in the paused state
+ */
+ wait_for_migration_status(to, "postcopy-paused");
+
+ /*
+ * Create a new socket to emulate a new channel that is different
+ * from the broken migration channel; tell the destination to
+ * listen to the new port
+ */
+ uri = g_strdup_printf("unix:%s/migsocket-recover", tmpfs);
+ migrate_recover(to, uri);
+
+ /*
+ * Try to rebuild the migration channel using the resume flag and
+ * the newly created channel
+ */
+ wait_for_migration_status(from, "postcopy-paused");
+ migrate(from, uri, "{'resume': true}");
+ g_free(uri);
+
+ /* Restore the postcopy bandwidth to unlimited */
+ migrate_set_parameter(from, "max-postcopy-bandwidth", 0);
+
+ migrate_postcopy_complete(from, to);
+}
+
static void test_baddest(void)
{
QTestState *from, *to;
- QDict *rsp, *rsp_return;
- const char *status;
+ QDict *rsp_return;
+ 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");
+ migrate(from, "tcp:0:0", "{}");
do {
- rsp = wait_command(from, "{ 'execute': 'query-migrate' }");
- rsp_return = qdict_get_qdict(rsp, "return");
-
- status = qdict_get_str(rsp_return, "status");
-
+ status = migrate_query_status(from);
g_assert(!strcmp(status, "setup") || !(strcmp(status, "failed")));
failed = !strcmp(status, "failed");
- qobject_unref(rsp);
+ g_free(status);
} while (!failed);
/* Is the machine currently running? */
- rsp = wait_command(from, "{ 'execute': 'query-status' }");
- g_assert(qdict_haskey(rsp, "return"));
- rsp_return = qdict_get_qdict(rsp, "return");
+ rsp_return = wait_command(from, "{ 'execute': 'query-status' }");
g_assert(qdict_haskey(rsp_return, "running"));
g_assert(qdict_get_bool(rsp_return, "running"));
- qobject_unref(rsp);
+ qobject_unref(rsp_return);
test_migrate_end(from, to, false);
}
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;
}
* machine, so also set the downtime.
*/
/* 1 ms should make it not converge*/
- migrate_set_parameter(from, "downtime-limit", "1");
+ migrate_set_parameter(from, "downtime-limit", 1);
/* 1GB/s */
- migrate_set_parameter(from, "max-bandwidth", "1000000000");
+ migrate_set_parameter(from, "max-bandwidth", 1000000000);
/* Wait for the first serial output from the source */
wait_for_serial("src_serial");
- migrate(from, uri);
+ migrate(from, uri, "{}");
wait_for_migration_pass(from);
/* 300 ms should converge */
- migrate_set_parameter(from, "downtime-limit", "300");
+ migrate_set_parameter(from, "downtime-limit", 300);
if (!got_stop) {
qtest_qmp_eventwait(from, "STOP");
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";
g_test_init(&argc, &argv, NULL);
if (!ufd_version_check()) {
- return 0;
+ return g_test_run();
+ }
+
+ /*
+ * On ppc64, the test only works with kvm-hv, but not with kvm-pr and TCG
+ * is touchy due to race conditions on dirty bits (especially on PPC for
+ * some reason)
+ */
+ if (g_str_equal(qtest_get_arch(), "ppc64") &&
+ access("/sys/module/kvm_hv", F_OK)) {
+ g_test_message("Skipping test: kvm_hv not available");
+ return g_test_run();
+ }
+
+ /*
+ * Similar to ppc64, s390x seems to be touchy with TCG, so disable it
+ * there until the problems are resolved
+ */
+ if (g_str_equal(qtest_get_arch(), "s390x")) {
+#if defined(HOST_S390X)
+ if (access("/dev/kvm", R_OK | W_OK)) {
+ g_test_message("Skipping test: kvm not available");
+ return g_test_run();
+ }
+#else
+ g_test_message("Skipping test: Need s390x host to work properly");
+ return g_test_run();
+#endif
}
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);
module_call_init(MODULE_INIT_QOM);
qtest_add_func("/migration/postcopy/unix", test_postcopy);
+ qtest_add_func("/migration/postcopy/recovery", test_postcopy_recovery);
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