diff options
| -rw-r--r-- | monitor/fds.c | 15 | ||||
| -rw-r--r-- | monitor/hmp.c | 2 | ||||
| -rw-r--r-- | monitor/monitor-internal.h | 1 | ||||
| -rw-r--r-- | monitor/monitor.c | 1 | ||||
| -rw-r--r-- | monitor/qmp.c | 2 | ||||
| -rw-r--r-- | tests/qtest/libqtest.c | 15 | ||||
| -rw-r--r-- | tests/qtest/libqtest.h | 2 | ||||
| -rw-r--r-- | tests/qtest/migration-test.c | 82 |
8 files changed, 102 insertions, 18 deletions
diff --git a/monitor/fds.c b/monitor/fds.c index bd45a26368..76199d4b3b 100644 --- a/monitor/fds.c +++ b/monitor/fds.c @@ -175,6 +175,11 @@ static void monitor_fdset_free(MonFdset *mon_fdset) static void monitor_fdset_free_if_empty(MonFdset *mon_fdset) { + /* + * Only remove an empty fdset. The fds are owned by the user and + * should have been removed with qmp_remove_fd(). The dup_fds are + * owned by QEMU and should have been removed with qemu_close(). + */ if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) { monitor_fdset_free(mon_fdset); } @@ -194,9 +199,7 @@ static void monitor_fdset_cleanup(MonFdset *mon_fdset) MonFdsetFd *mon_fdset_fd_next; QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) { - if ((mon_fdset_fd->removed || - (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) && - runstate_is_running()) { + if (mon_fdset_fd->removed) { monitor_fdset_fd_free(mon_fdset_fd); } } @@ -211,7 +214,7 @@ void monitor_fdsets_cleanup(void) QEMU_LOCK_GUARD(&mon_fdsets_lock); QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) { - monitor_fdset_cleanup(mon_fdset); + monitor_fdset_free_if_empty(mon_fdset); } } @@ -484,9 +487,7 @@ void monitor_fdset_dup_fd_remove(int dup_fd) if (mon_fdset_fd_dup->fd == dup_fd) { QLIST_REMOVE(mon_fdset_fd_dup, next); g_free(mon_fdset_fd_dup); - if (QLIST_EMPTY(&mon_fdset->dup_fds)) { - monitor_fdset_cleanup(mon_fdset); - } + monitor_fdset_free_if_empty(mon_fdset); return; } } diff --git a/monitor/hmp.c b/monitor/hmp.c index 69c1b7e98a..460e8832f6 100644 --- a/monitor/hmp.c +++ b/monitor/hmp.c @@ -1437,11 +1437,9 @@ static void monitor_event(void *opaque, QEMUChrEvent event) monitor_resume(mon); } qemu_mutex_unlock(&mon->mon_lock); - mon_refcount++; break; case CHR_EVENT_CLOSED: - mon_refcount--; monitor_fdsets_cleanup(); break; diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h index 252de85681..cb628f681d 100644 --- a/monitor/monitor-internal.h +++ b/monitor/monitor-internal.h @@ -168,7 +168,6 @@ extern bool qmp_dispatcher_co_shutdown; extern QmpCommandList qmp_commands, qmp_cap_negotiation_commands; extern QemuMutex monitor_lock; extern MonitorList mon_list; -extern int mon_refcount; extern HMPCommand hmp_cmds[]; diff --git a/monitor/monitor.c b/monitor/monitor.c index 01ede1babd..db52a9c7ef 100644 --- a/monitor/monitor.c +++ b/monitor/monitor.c @@ -71,7 +71,6 @@ static GHashTable *monitor_qapi_event_state; static GHashTable *coroutine_mon; /* Maps Coroutine* to Monitor* */ MonitorList mon_list; -int mon_refcount; static bool monitor_destroyed; Monitor *monitor_cur(void) diff --git a/monitor/qmp.c b/monitor/qmp.c index a239945e8d..5e538f34c0 100644 --- a/monitor/qmp.c +++ b/monitor/qmp.c @@ -466,7 +466,6 @@ static void monitor_qmp_event(void *opaque, QEMUChrEvent event) data = qmp_greeting(mon); qmp_send_response(mon, data); qobject_unref(data); - mon_refcount++; break; case CHR_EVENT_CLOSED: /* @@ -479,7 +478,6 @@ static void monitor_qmp_event(void *opaque, QEMUChrEvent event) json_message_parser_destroy(&mon->parser); json_message_parser_init(&mon->parser, handle_qmp_command, mon, NULL); - mon_refcount--; monitor_fdsets_cleanup(); break; case CHR_EVENT_BREAK: diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c index 18e2f7f282..c7f6897d78 100644 --- a/tests/qtest/libqtest.c +++ b/tests/qtest/libqtest.c @@ -514,11 +514,6 @@ static QTestState *qtest_init_internal(const char *qemu_bin, kill(s->qemu_pid, SIGSTOP); } #endif - - /* ask endianness of the target */ - - s->big_endian = qtest_query_target_endianness(s); - return s; } @@ -527,11 +522,21 @@ QTestState *qtest_init_without_qmp_handshake(const char *extra_args) return qtest_init_internal(qtest_qemu_binary(NULL), extra_args); } +QTestState *qtest_init_with_env_no_handshake(const char *var, + const char *extra_args) +{ + return qtest_init_internal(qtest_qemu_binary(var), extra_args); +} + QTestState *qtest_init_with_env(const char *var, const char *extra_args) { QTestState *s = qtest_init_internal(qtest_qemu_binary(var), extra_args); QDict *greeting; + /* ask endianness of the target */ + + s->big_endian = qtest_query_target_endianness(s); + /* Read the QMP greeting and then do the handshake */ greeting = qtest_qmp_receive(s); qobject_unref(greeting); diff --git a/tests/qtest/libqtest.h b/tests/qtest/libqtest.h index beb96b18eb..c261b7e0b3 100644 --- a/tests/qtest/libqtest.h +++ b/tests/qtest/libqtest.h @@ -68,6 +68,8 @@ QTestState *qtest_init(const char *extra_args); */ QTestState *qtest_init_with_env(const char *var, const char *extra_args); +QTestState *qtest_init_with_env_no_handshake(const char *var, + const char *extra_args); /** * qtest_init_without_qmp_handshake: * @extra_args: other arguments to pass to QEMU. CAUTION: these diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c index 22b07bc0ec..eb4d5948e0 100644 --- a/tests/qtest/migration-test.c +++ b/tests/qtest/migration-test.c @@ -64,6 +64,7 @@ static QTestMigrationState dst_state; #define DIRTYLIMIT_TOLERANCE_RANGE 25 /* MB/s */ #define ANALYZE_SCRIPT "scripts/analyze-migration.py" +#define VMSTATE_CHECKER_SCRIPT "scripts/vmstate-static-checker.py" #define QEMU_VM_FILE_MAGIC 0x5145564d #define FILE_TEST_FILENAME "migfile" @@ -1589,6 +1590,85 @@ static void test_analyze_script(void) test_migrate_end(from, to, false); cleanup("migfile"); } + +static void test_vmstate_checker_script(void) +{ + g_autofree gchar *cmd_src = NULL; + g_autofree gchar *cmd_dst = NULL; + g_autofree gchar *vmstate_src = NULL; + g_autofree gchar *vmstate_dst = NULL; + const char *machine_alias, *machine_opts = ""; + g_autofree char *machine = NULL; + const char *arch = qtest_get_arch(); + int pid, wstatus; + const char *python = g_getenv("PYTHON"); + + if (!getenv(QEMU_ENV_SRC) && !getenv(QEMU_ENV_DST)) { + g_test_skip("Test needs two different QEMU versions"); + return; + } + + if (!python) { + g_test_skip("PYTHON variable not set"); + return; + } + + if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { + if (g_str_equal(arch, "i386")) { + machine_alias = "pc"; + } else { + machine_alias = "q35"; + } + } else if (g_str_equal(arch, "s390x")) { + machine_alias = "s390-ccw-virtio"; + } else if (strcmp(arch, "ppc64") == 0) { + machine_alias = "pseries"; + } else if (strcmp(arch, "aarch64") == 0) { + machine_alias = "virt"; + } else { + g_assert_not_reached(); + } + + if (!qtest_has_machine(machine_alias)) { + g_autofree char *msg = g_strdup_printf("machine %s not supported", machine_alias); + g_test_skip(msg); + return; + } + + machine = resolve_machine_version(machine_alias, QEMU_ENV_SRC, + QEMU_ENV_DST); + + vmstate_src = g_strdup_printf("%s/vmstate-src", tmpfs); + vmstate_dst = g_strdup_printf("%s/vmstate-dst", tmpfs); + + cmd_dst = g_strdup_printf("-machine %s,%s -dump-vmstate %s", + machine, machine_opts, vmstate_dst); + cmd_src = g_strdup_printf("-machine %s,%s -dump-vmstate %s", + machine, machine_opts, vmstate_src); + + qtest_init_with_env_no_handshake(QEMU_ENV_SRC, cmd_src); + qtest_init_with_env_no_handshake(QEMU_ENV_DST, cmd_dst); + + pid = fork(); + if (!pid) { + close(1); + open("/dev/null", O_WRONLY); + execl(python, python, VMSTATE_CHECKER_SCRIPT, + "-s", vmstate_src, + "-d", vmstate_dst, + NULL); + g_assert_not_reached(); + } + + g_assert(waitpid(pid, &wstatus, 0) == pid); + if (!WIFEXITED(wstatus) || WEXITSTATUS(wstatus) != 0) { + g_test_message("Failed to run vmstate-static-checker.py"); + g_test_fail(); + } + + cleanup("vmstate-src"); + cleanup("vmstate-dst"); +} #endif static void test_precopy_common(MigrateCommon *args) @@ -3522,6 +3602,8 @@ int main(int argc, char **argv) migration_test_add("/migration/bad_dest", test_baddest); #ifndef _WIN32 migration_test_add("/migration/analyze-script", test_analyze_script); + migration_test_add("/migration/vmstate-checker-script", + test_vmstate_checker_script); #endif /* |