/*
* QTest testcase for migration
*
- * Copyright (c) 2016 Red Hat, Inc. and/or its affiliates
+ * Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates
* based on the vhost-user-test.c that is:
* Copyright (c) 2014 Virtual Open Systems Sarl.
*
#include "qemu/osdep.h"
#include "libqtest.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qjson.h"
#include "qemu/option.h"
#include "qemu/range.h"
#include "qemu/sockets.h"
#include "chardev/char.h"
#include "sysemu/sysemu.h"
-#include "hw/nvram/chrp_nvram.h"
-#define MIN_NVRAM_SIZE 8192 /* from spapr_nvram.c */
+/* TODO actually test the results and get rid of this */
+#define qtest_qmp_discard_response(...) qobject_unref(qtest_qmp(__VA_ARGS__))
const unsigned start_address = 1024 * 1024;
const unsigned end_address = 100 * 1024 * 1024;
bool got_stop;
+static bool uffd_feature_thread_id;
#if defined(__linux__)
#include <sys/syscall.h>
g_test_message("Skipping test: UFFDIO_API failed");
return false;
}
+ uffd_feature_thread_id = api_struct.features & UFFD_FEATURE_THREAD_ID;
ioctl_mask = (__u64)1 << _UFFDIO_REGISTER |
(__u64)1 << _UFFDIO_UNREGISTER;
static const char *tmpfs;
/* A simple PC boot sector that modifies memory (1-100MB) quickly
- * outputing a 'B' every so often if it's still running.
+ * outputting a 'B' every so often if it's still running.
*/
-unsigned char bootsect[] = {
- 0xfa, 0x0f, 0x01, 0x16, 0x74, 0x7c, 0x66, 0xb8, 0x01, 0x00, 0x00, 0x00,
- 0x0f, 0x22, 0xc0, 0x66, 0xea, 0x20, 0x7c, 0x00, 0x00, 0x08, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe4, 0x92, 0x0c, 0x02,
- 0xe6, 0x92, 0xb8, 0x10, 0x00, 0x00, 0x00, 0x8e, 0xd8, 0x66, 0xb8, 0x41,
- 0x00, 0x66, 0xba, 0xf8, 0x03, 0xee, 0xb3, 0x00, 0xb8, 0x00, 0x00, 0x10,
- 0x00, 0xfe, 0x00, 0x05, 0x00, 0x10, 0x00, 0x00, 0x3d, 0x00, 0x00, 0x40,
- 0x06, 0x7c, 0xf2, 0xfe, 0xc3, 0x75, 0xe9, 0x66, 0xb8, 0x42, 0x00, 0x66,
- 0xba, 0xf8, 0x03, 0xee, 0xeb, 0xde, 0x66, 0x90, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x9a, 0xcf, 0x00,
- 0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00, 0x27, 0x00, 0x5c, 0x7c,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0xaa
-};
+#include "tests/migration/x86-a-b-bootblock.h"
static void init_bootfile_x86(const char *bootpath)
{
FILE *bootfile = fopen(bootpath, "wb");
- g_assert_cmpint(fwrite(bootsect, 512, 1, bootfile), ==, 1);
- fclose(bootfile);
-}
-
-static void init_bootfile_ppc(const char *bootpath)
-{
- FILE *bootfile;
- char buf[MIN_NVRAM_SIZE];
- ChrpNvramPartHdr *header = (ChrpNvramPartHdr *)buf;
-
- memset(buf, 0, MIN_NVRAM_SIZE);
-
- /* Create a "common" partition in nvram to store boot-command property */
-
- header->signature = CHRP_NVPART_SYSTEM;
- memcpy(header->name, "common", 6);
- chrp_nvram_finish_partition(header, MIN_NVRAM_SIZE);
-
- /* FW_MAX_SIZE is 4MB, but slof.bin is only 900KB,
- * so let's modify memory between 1MB and 100MB
- * to do like PC bootsector
- */
-
- sprintf(buf + 16,
- "boot-command=hex .\" _\" begin %x %x do i c@ 1 + i c! 1000 +loop "
- ".\" B\" 0 until", end_address, start_address);
-
- /* Write partition to the NVRAM file */
-
- bootfile = fopen(bootpath, "wb");
- g_assert_cmpint(fwrite(buf, MIN_NVRAM_SIZE, 1, bootfile), ==, 1);
+ g_assert_cmpint(fwrite(x86_bootsect, 512, 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(2, 3)
+static QDict *wait_command(QTestState *who, const char *command, ...)
{
- const char *event_string;
- QDict *response;
+ va_list ap;
- response = qtest_qmp(who, command);
+ va_start(ap, command);
+ qtest_qmp_vsend(who, 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;
- }
- QDECREF(response);
- response = qtest_qmp_receive(who);
- }
- return response;
+ 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,
static uint64_t get_migration_pass(QTestState *who)
{
- QDict *rsp, *rsp_return, *rsp_ram;
+ QDict *rsp_return, *rsp_ram;
uint64_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;
rsp_ram = qdict_get_qdict(rsp_return, "ram");
result = qdict_get_try_int(rsp_ram, "dirty-sync-count", 0);
}
- QDECREF(rsp);
+ qobject_unref(rsp_return);
return result;
}
-static void wait_for_migration_complete(QTestState *who)
+static void read_blocktime(QTestState *who)
{
- QDict *rsp, *rsp_return;
- bool completed;
+ QDict *rsp_return;
- do {
- const char *status;
+ rsp_return = migrate_query(who);
+ g_assert(qdict_haskey(rsp_return, "postcopy-blocktime"));
+ qobject_unref(rsp_return);
+}
+
+static void wait_for_migration_status(QTestState *who,
+ const char *goal)
+{
+ while (true) {
+ bool completed;
+ 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");
- QDECREF(rsp);
- usleep(1000 * 100);
- } while (!completed);
+ g_free(status);
+ if (completed) {
+ return;
+ }
+ usleep(1000);
+ }
+}
+
+static void wait_for_migration_complete(QTestState *who)
+{
+ wait_for_migration_status(who, "completed");
}
static void wait_for_migration_pass(QTestState *who)
uint64_t pass;
/* Wait for the 1st sync */
- do {
+ while (!got_stop && !initial_pass) {
+ usleep(1000);
initial_pass = get_migration_pass(who);
- if (got_stop || initial_pass) {
- break;
- }
- usleep(1000 * 100);
- } while (true);
+ }
do {
- usleep(1000 * 100);
+ usleep(1000);
pass = get_migration_pass(who);
} while (pass == initial_pass && !got_stop);
}
* 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);
}
}
static void migrate_check_parameter(QTestState *who, const char *parameter,
- const char *value)
+ long long value)
{
- QDict *rsp, *rsp_return;
- char *result;
+ QDict *rsp_return;
- 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);
- QDECREF(rsp);
+ rsp_return = wait_command(who,
+ "{ 'execute': 'query-migrate-parameters' }");
+ g_assert_cmpint(qdict_get_int(rsp_return, parameter), ==, value);
+ qobject_unref(rsp_return);
}
-static void migrate_set_downtime(QTestState *who, const double value)
+static void migrate_set_parameter(QTestState *who, const char *parameter,
+ long long 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-parameters',"
+ "'arguments': { %s: %lld } }",
+ parameter, value);
g_assert(qdict_haskey(rsp, "return"));
- QDECREF(rsp);
- result_int = value * 1000L;
- expected = g_strdup_printf("%" PRId64, result_int);
- migrate_check_parameter(who, "downtime-limit", expected);
- g_free(expected);
+ qobject_unref(rsp);
+ migrate_check_parameter(who, parameter, value);
}
-static void migrate_set_speed(QTestState *who, const char *value)
+static void migrate_pause(QTestState *who)
{
QDict *rsp;
- gchar *cmd;
- cmd = g_strdup_printf("{ 'execute': 'migrate_set_speed',"
- "'arguments': { 'value': %s } }", value);
- rsp = qtest_qmp(who, cmd);
- g_free(cmd);
- g_assert(qdict_haskey(rsp, "return"));
- QDECREF(rsp);
- migrate_check_parameter(who, "max-bandwidth", value);
+ 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"));
- QDECREF(rsp);
+ 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;
- cmd = g_strdup_printf("{ 'execute': 'migrate',"
- "'arguments': { 'uri': '%s' } }",
- uri);
- rsp = qtest_qmp(who, cmd);
- g_free(cmd);
+ 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);
g_assert(qdict_haskey(rsp, "return"));
- QDECREF(rsp);
+ qobject_unref(rsp);
}
-static void test_migrate_start(QTestState **from, QTestState **to,
- const char *uri)
+static void migrate_postcopy_start(QTestState *from, QTestState *to)
+{
+ QDict *rsp;
+
+ rsp = wait_command(from, "{ 'execute': 'migrate-start-postcopy' }");
+ qobject_unref(rsp);
+
+ if (!got_stop) {
+ qtest_qmp_eventwait(from, "STOP");
+ }
+
+ qtest_qmp_eventwait(to, "RESUME");
+}
+
+static int test_migrate_start(QTestState **from, QTestState **to,
+ const char *uri, bool hide_stderr)
{
gchar *cmd_src, *cmd_dst;
char *bootpath = g_strdup_printf("%s/bootsect", tmpfs);
const char *arch = qtest_get_arch();
+ const char *accel = "kvm:tcg";
got_stop = false;
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
init_bootfile_x86(bootpath);
- cmd_src = g_strdup_printf("-machine accel=kvm:tcg -m 150M"
- " -name pcsource,debug-threads=on"
+ 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",
- tmpfs, bootpath);
- cmd_dst = g_strdup_printf("-machine accel=kvm:tcg -m 150M"
- " -name pcdest,debug-threads=on"
+ accel, tmpfs, bootpath);
+ 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",
- tmpfs, bootpath, uri);
+ accel, tmpfs, bootpath, uri);
} else if (strcmp(arch, "ppc64") == 0) {
- const char *accel;
-
- /* On ppc64, the test only works with kvm-hv, but not with kvm-pr */
- accel = access("/sys/module/kvm_hv", F_OK) ? "tcg" : "kvm:tcg";
- init_bootfile_ppc(bootpath);
cmd_src = g_strdup_printf("-machine accel=%s -m 256M"
- " -name pcsource,debug-threads=on"
+ " -name source,debug-threads=on"
" -serial file:%s/src_serial"
- " -drive file=%s,if=pflash,format=raw",
- accel, tmpfs, bootpath);
+ " -prom-env '"
+ "boot-command=hex .\" _\" begin %x %x "
+ "do i c@ 1 + i c! 1000 +loop .\" B\" 0 "
+ "until'", accel, tmpfs, end_address,
+ start_address);
cmd_dst = g_strdup_printf("-machine accel=%s -m 256M"
- " -name pcdest,debug-threads=on"
+ " -name target,debug-threads=on"
" -serial file:%s/dest_serial"
" -incoming %s",
accel, tmpfs, uri);
g_free(bootpath);
+ if (hide_stderr) {
+ gchar *tmp;
+ tmp = g_strdup_printf("%s 2>/dev/null", cmd_src);
+ g_free(cmd_src);
+ cmd_src = tmp;
+
+ tmp = g_strdup_printf("%s 2>/dev/null", cmd_dst);
+ g_free(cmd_dst);
+ cmd_dst = tmp;
+ }
+
*from = qtest_start(cmd_src);
g_free(cmd_src);
*to = qtest_init(cmd_dst);
g_free(cmd_dst);
+ return 0;
}
-static void test_migrate_end(QTestState *from, QTestState *to)
+static void test_migrate_end(QTestState *from, QTestState *to, bool test_dest)
{
unsigned char dest_byte_a, dest_byte_b, dest_byte_c, dest_byte_d;
qtest_quit(from);
- qtest_memread(to, start_address, &dest_byte_a, 1);
+ if (test_dest) {
+ qtest_memread(to, start_address, &dest_byte_a, 1);
- /* Destination still running, wait for a byte to change */
- do {
- qtest_memread(to, start_address, &dest_byte_b, 1);
- usleep(10 * 1000);
- } while (dest_byte_a == dest_byte_b);
+ /* Destination still running, wait for a byte to change */
+ do {
+ qtest_memread(to, start_address, &dest_byte_b, 1);
+ usleep(1000 * 10);
+ } while (dest_byte_a == dest_byte_b);
- qtest_qmp_discard_response(to, "{ 'execute' : 'stop'}");
- /* With it stopped, check nothing changes */
- qtest_memread(to, start_address, &dest_byte_c, 1);
- sleep(1);
- qtest_memread(to, start_address, &dest_byte_d, 1);
- g_assert_cmpint(dest_byte_c, ==, dest_byte_d);
+ qtest_qmp_discard_response(to, "{ 'execute' : 'stop'}");
- check_guests_ram(to);
+ /* With it stopped, check nothing changes */
+ qtest_memread(to, start_address, &dest_byte_c, 1);
+ usleep(1000 * 200);
+ qtest_memread(to, start_address, &dest_byte_d, 1);
+ g_assert_cmpint(dest_byte_c, ==, dest_byte_d);
+
+ check_guests_ram(to);
+ }
qtest_quit(to);
cleanup("dest_serial");
}
-static void test_migrate(void)
+static void deprecated_set_downtime(QTestState *who, const double value)
+{
+ QDict *rsp;
+
+ rsp = qtest_qmp(who,
+ "{ 'execute': 'migrate_set_downtime',"
+ " 'arguments': { 'value': %f } }", value);
+ g_assert(qdict_haskey(rsp, "return"));
+ qobject_unref(rsp);
+ migrate_check_parameter(who, "downtime-limit", value * 1000);
+}
+
+static void deprecated_set_speed(QTestState *who, long long value)
+{
+ QDict *rsp;
+
+ 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 test_deprecated(void)
+{
+ QTestState *from;
+
+ from = qtest_start("");
+
+ deprecated_set_downtime(from, 0.12345);
+ deprecated_set_speed(from, 12345);
+
+ qtest_quit(from);
+}
+
+static int migrate_postcopy_prepare(QTestState **from_ptr,
+ QTestState **to_ptr,
+ bool hide_error)
{
char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
QTestState *from, *to;
- QDict *rsp;
- test_migrate_start(&from, &to, uri);
+ if (test_migrate_start(&from, &to, uri, hide_error)) {
+ return -1;
+ }
- migrate_set_capability(from, "postcopy-ram", "true");
- migrate_set_capability(to, "postcopy-ram", "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_speed(from, "100000000");
- migrate_set_downtime(from, 0.001);
+ 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);
- rsp = wait_command(from, "{ 'execute': 'migrate-start-postcopy' }");
- g_assert(qdict_haskey(rsp, "return"));
- QDECREF(rsp);
+ *from_ptr = from;
+ *to_ptr = to;
+
+ return 0;
+}
+
+static void migrate_postcopy_complete(QTestState *from, QTestState *to)
+{
+ wait_for_migration_complete(from);
+
+ /* Make sure we get at least one "B" on destination */
+ wait_for_serial("dest_serial");
+
+ if (uffd_feature_thread_id) {
+ read_blocktime(to);
+ }
+
+ test_migrate_end(from, to, true);
+}
+
+static void test_postcopy(void)
+{
+ QTestState *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_return;
+ char *status;
+ bool failed;
+
+ if (test_migrate_start(&from, &to, "tcp:0:0", true)) {
+ return;
+ }
+ migrate(from, "tcp:0:0", "{}");
+ do {
+ status = migrate_query_status(from);
+ g_assert(!strcmp(status, "setup") || !(strcmp(status, "failed")));
+ failed = !strcmp(status, "failed");
+ g_free(status);
+ } while (!failed);
+
+ /* Is the machine currently running? */
+ 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_return);
+
+ test_migrate_end(from, to, false);
+}
+
+static void test_precopy_unix(void)
+{
+ char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
+ QTestState *from, *to;
+
+ if (test_migrate_start(&from, &to, uri, 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");
+
+ migrate(from, uri, "{}");
+
+ wait_for_migration_pass(from);
+
+ /* 300 ms should converge */
+ migrate_set_parameter(from, "downtime-limit", 300);
if (!got_stop) {
qtest_qmp_eventwait(from, "STOP");
wait_for_serial("dest_serial");
wait_for_migration_complete(from);
+ test_migrate_end(from, to, true);
g_free(uri);
-
- test_migrate_end(from, to);
}
int main(int argc, char **argv)
return 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 (g_str_equal(qtest_get_arch(), "ppc64") &&
+ access("/sys/module/kvm_hv", F_OK)) {
+ g_test_message("Skipping test: kvm_hv not available");
+ return 0;
+ }
+
tmpfs = mkdtemp(template);
if (!tmpfs) {
g_test_message("mkdtemp on path (%s): %s\n", template, strerror(errno));
module_call_init(MODULE_INIT_QOM);
- qtest_add_func("/migration/postcopy/unix", test_migrate);
+ 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);
ret = g_test_run();
projects / qemu.git / blobdiff