X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=tests%2Fmigration-test.c;h=e0407576cb10808254c953ca6041d35e7cf17401;hb=19735c837ae2056b4651720290eda59498eca65a;hp=7bffcd2e4d48f2caac9668b048775857f64651a6;hpb=4399596b152f6c933a173b0e97ba4e3b6a57458f;p=mirror_qemu.git diff --git a/tests/migration-test.c b/tests/migration-test.c index 7bffcd2e4d..e0407576cb 100644 --- a/tests/migration-test.c +++ b/tests/migration-test.c @@ -14,17 +14,23 @@ #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 "qapi/qapi-visit-sockets.h" +#include "qapi/qobject-input-visitor.h" +#include "qapi/qobject-output-visitor.h" + +#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__)) -const unsigned start_address = 1024 * 1024; -const unsigned end_address = 100 * 1024 * 1024; +unsigned start_address; +unsigned end_address; bool got_stop; static bool uffd_feature_thread_id; @@ -79,16 +85,28 @@ static bool ufd_version_check(void) 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" + +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_x86(const char *bootpath) +static void init_bootfile_s390x(const char *bootpath) { FILE *bootfile = fopen(bootpath, "wb"); + size_t len = sizeof(s390x_elf); - g_assert_cmpint(fwrite(x86_bootsect, 512, 1, bootfile), ==, 1); + g_assert_cmpint(fwrite(s390x_elf, len, 1, bootfile), ==, 1); fclose(bootfile); } @@ -159,6 +177,22 @@ static void stop_cb(void *opaque, const char *name, QDict *data) /* * 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. + */ +GCC_FMT_ATTR(2, 3) static QDict *wait_command(QTestState *who, const char *command, ...) { va_list ap; @@ -199,10 +233,10 @@ static gchar *migrate_query_status(QTestState *who) * 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")) { @@ -210,12 +244,17 @@ static uint64_t get_migration_pass(QTestState *who) 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; @@ -268,11 +307,11 @@ static void wait_for_migration_pass(QTestState *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; @@ -283,7 +322,8 @@ static void check_guests_ram(QTestState *who) 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); @@ -315,32 +355,87 @@ static void cleanup(const char *filename) 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) { - QDict *rsp_return; + 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_return = wait_command(who, - "{ 'execute': 'query-migrate-parameters' }"); - result = g_strdup_printf("%" PRId64, - qdict_get_try_int(rsp_return, parameter, -1)); - g_assert_cmpstr(result, ==, value); - g_free(result); - qobject_unref(rsp_return); + 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) +{ + 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); @@ -357,43 +452,50 @@ static void migrate_pause(QTestState *who) static void migrate_recover(QTestState *who, const char *uri) { QDict *rsp; - gchar *cmd = g_strdup_printf( - "{ 'execute': 'migrate-recover', " - " 'id': 'recover-cmd', " - " 'arguments': { 'uri': '%s' } }", uri); - rsp = wait_command(who, cmd); - g_free(cmd); + 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, const char *extra) +/* + * 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' %s } }", - uri, extra ? extra : ""); - rsp = qtest_qmp(who, cmd); - g_free(cmd); g_assert(qdict_haskey(rsp, "return")); qobject_unref(rsp); } @@ -413,56 +515,106 @@ static void migrate_postcopy_start(QTestState *from, QTestState *to) } 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); + init_bootfile(bootpath, 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); + 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); + 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; @@ -480,6 +632,16 @@ static int test_migrate_start(QTestState **from, QTestState **to, *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; } @@ -520,42 +682,46 @@ static void test_migrate_end(QTestState *from, QTestState *to, bool test_dest) static void deprecated_set_downtime(QTestState *who, const double value) { QDict *rsp; - char *expected; - int64_t result_int; 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); } @@ -567,25 +733,25 @@ static int migrate_postcopy_prepare(QTestState **from_ptr, 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; } - 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, NULL); + migrate(from, uri, "{}"); g_free(uri); wait_for_migration_pass(from); @@ -631,7 +797,7 @@ static void test_postcopy_recovery(void) } /* Turn postcopy speed down, 4K/s is slow enough on any machines */ - migrate_set_parameter(from, "max-postcopy-bandwidth", "4096"); + migrate_set_parameter(from, "max-postcopy-bandwidth", 4096); /* Now we start the postcopy */ migrate_postcopy_start(from, to); @@ -668,11 +834,11 @@ static void test_postcopy_recovery(void) * the newly created channel */ wait_for_migration_status(from, "postcopy-paused"); - migrate(from, uri, ", 'resume': true"); + migrate(from, uri, "{'resume': true}"); g_free(uri); /* Restore the postcopy bandwidth to unlimited */ - migrate_set_parameter(from, "max-postcopy-bandwidth", "0"); + migrate_set_parameter(from, "max-postcopy-bandwidth", 0); migrate_postcopy_complete(from, to); } @@ -684,10 +850,10 @@ static void test_baddest(void) 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", NULL); + migrate(from, "tcp:0:0", "{}"); do { status = migrate_query_status(from); g_assert(!strcmp(status, "setup") || !(strcmp(status, "failed"))); @@ -709,7 +875,7 @@ 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)) { + if (test_migrate_start(&from, &to, uri, false, false)) { return; } @@ -718,19 +884,53 @@ static void test_precopy_unix(void) * 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, NULL); + 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"); + } + + qtest_qmp_eventwait(to, "RESUME"); + + wait_for_serial("dest_serial"); + wait_for_migration_complete(from); + + test_migrate_end(from, to, true); + 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"); @@ -741,9 +941,191 @@ static void test_precopy_unix(void) 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) { @@ -753,12 +1135,39 @@ int main(int argc, char **argv) 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); @@ -769,6 +1178,10 @@ int main(int argc, char **argv) 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(); @@ -776,7 +1189,7 @@ int main(int argc, char **argv) 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)); }