diff options
Diffstat (limited to 'system/qtest.c')
| -rw-r--r-- | system/qtest.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/system/qtest.c b/system/qtest.c index 99ef2042f6..e68ed0f2a8 100644 --- a/system/qtest.c +++ b/system/qtest.c @@ -78,6 +78,11 @@ static void *qtest_server_send_opaque; * let you adjust the value of the clock (monotonically). All the commands * return the current value of the clock in nanoseconds. * + * If the commands FAIL then time wasn't advanced which is likely + * because the machine was in a paused state or no timer events exist + * in the future. This will cause qtest to abort and the test will + * need to check its assumptions. + * * .. code-block:: none * * > clock_step @@ -710,7 +715,8 @@ static void qtest_process_command(CharBackend *chr, gchar **words) qtest_sendf(chr, "OK little\n"); } } else if (qtest_enabled() && strcmp(words[0], "clock_step") == 0) { - int64_t ns; + int64_t old_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + int64_t ns, new_ns; if (words[1]) { int ret = qemu_strtoi64(words[1], NULL, 0, &ns); @@ -719,11 +725,10 @@ static void qtest_process_command(CharBackend *chr, gchar **words) ns = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL, QEMU_TIMER_ATTR_ALL); } - qemu_clock_advance_virtual_time( - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ns); + new_ns = qemu_clock_advance_virtual_time(old_ns + ns); qtest_send_prefix(chr); - qtest_sendf(chr, "OK %"PRIi64"\n", - (int64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); + qtest_sendf(chr, "%s %"PRIi64"\n", + new_ns > old_ns ? "OK" : "FAIL", new_ns); } else if (strcmp(words[0], "module_load") == 0) { Error *local_err = NULL; int rv; @@ -740,16 +745,16 @@ static void qtest_process_command(CharBackend *chr, gchar **words) qtest_sendf(chr, "FAIL\n"); } } else if (qtest_enabled() && strcmp(words[0], "clock_set") == 0) { - int64_t ns; + int64_t ns, new_ns; int ret; g_assert(words[1]); ret = qemu_strtoi64(words[1], NULL, 0, &ns); g_assert(ret == 0); - qemu_clock_advance_virtual_time(ns); + new_ns = qemu_clock_advance_virtual_time(ns); qtest_send_prefix(chr); - qtest_sendf(chr, "OK %"PRIi64"\n", - (int64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); + qtest_sendf(chr, "%s %"PRIi64"\n", + new_ns == ns ? "OK" : "FAIL", new_ns); } else if (process_command_cb && process_command_cb(chr, words)) { /* Command got consumed by the callback handler */ } else { |