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Wed, 13 Dec 2023 15:30:29 +0000 Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3BDFQXp7001263; Wed, 13 Dec 2023 15:30:29 GMT Received: from ca-dev63.us.oracle.com (ca-dev63.us.oracle.com [10.211.8.221]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3uvep8e0nt-10; Wed, 13 Dec 2023 15:30:29 +0000 From: Steve Sistare To: qemu-devel@nongnu.org Cc: Juan Quintela , Peter Xu , Paolo Bonzini , Thomas Huth , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Fabiano Rosas , Leonardo Bras , Steve Sistare Subject: [PATCH V8 09/12] tests/qtest: migration events Date: Wed, 13 Dec 2023 07:30:18 -0800 Message-Id: <1702481421-375368-10-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1702481421-375368-1-git-send-email-steven.sistare@oracle.com> References: <1702481421-375368-1-git-send-email-steven.sistare@oracle.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-13_08,2023-12-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 mlxlogscore=999 adultscore=0 phishscore=0 suspectscore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2312130110 X-Proofpoint-GUID: eytcrupRnGIzB-gwUcBI8D4XaOIW1H0f X-Proofpoint-ORIG-GUID: eytcrupRnGIzB-gwUcBI8D4XaOIW1H0f Received-SPF: pass client-ip=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Define a state object to capture events seen by migration tests, to allow more events to be captured in a subsequent patch, and simplify event checking in wait_for_migration_pass. No functional change. Signed-off-by: Steve Sistare Reviewed-by: Fabiano Rosas Reviewed-by: Daniel P. Berrangé --- tests/qtest/migration-helpers.c | 24 ++++------- tests/qtest/migration-helpers.h | 9 ++-- tests/qtest/migration-test.c | 91 +++++++++++++++++++---------------------- 3 files changed, 56 insertions(+), 68 deletions(-) diff --git a/tests/qtest/migration-helpers.c b/tests/qtest/migration-helpers.c index 24fb7b3..fd3b94e 100644 --- a/tests/qtest/migration-helpers.c +++ b/tests/qtest/migration-helpers.c @@ -24,26 +24,16 @@ */ #define MIGRATION_STATUS_WAIT_TIMEOUT 120 -bool migrate_watch_for_stop(QTestState *who, const char *name, - QDict *event, void *opaque) -{ - bool *seen = opaque; - - if (g_str_equal(name, "STOP")) { - *seen = true; - return true; - } - - return false; -} - -bool migrate_watch_for_resume(QTestState *who, const char *name, +bool migrate_watch_for_events(QTestState *who, const char *name, QDict *event, void *opaque) { - bool *seen = opaque; + QTestMigrationState *state = opaque; - if (g_str_equal(name, "RESUME")) { - *seen = true; + if (g_str_equal(name, "STOP")) { + state->stop_seen = true; + return true; + } else if (g_str_equal(name, "RESUME")) { + state->resume_seen = true; return true; } diff --git a/tests/qtest/migration-helpers.h b/tests/qtest/migration-helpers.h index e31dc85..3d32699 100644 --- a/tests/qtest/migration-helpers.h +++ b/tests/qtest/migration-helpers.h @@ -15,9 +15,12 @@ #include "libqtest.h" -bool migrate_watch_for_stop(QTestState *who, const char *name, - QDict *event, void *opaque); -bool migrate_watch_for_resume(QTestState *who, const char *name, +typedef struct QTestMigrationState { + bool stop_seen; + bool resume_seen; +} QTestMigrationState; + +bool migrate_watch_for_events(QTestState *who, const char *name, QDict *event, void *opaque); G_GNUC_PRINTF(3, 4) diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c index 0fbaa6a..05c0740 100644 --- a/tests/qtest/migration-test.c +++ b/tests/qtest/migration-test.c @@ -43,8 +43,8 @@ unsigned start_address; unsigned end_address; static bool uffd_feature_thread_id; -static bool got_src_stop; -static bool got_dst_resume; +static QTestMigrationState src_state; +static QTestMigrationState dst_state; /* * An initial 3 MB offset is used as that corresponds @@ -230,6 +230,20 @@ static void wait_for_serial(const char *side) } while (true); } +static void wait_for_stop(QTestState *who, QTestMigrationState *state) +{ + if (!state->stop_seen) { + qtest_qmp_eventwait(who, "STOP"); + } +} + +static void wait_for_resume(QTestState *who, QTestMigrationState *state) +{ + if (!state->resume_seen) { + qtest_qmp_eventwait(who, "RESUME"); + } +} + /* * It's tricky to use qemu's migration event capability with qtest, * events suddenly appearing confuse the qmp()/hmp() responses. @@ -277,21 +291,19 @@ static void read_blocktime(QTestState *who) qobject_unref(rsp_return); } +/* + * Wait for two changes in the migration pass count, but bail if we stop. + */ static void wait_for_migration_pass(QTestState *who) { - uint64_t initial_pass = get_migration_pass(who); - uint64_t pass; + uint64_t pass, prev_pass = 0, changes = 0; - /* Wait for the 1st sync */ - while (!got_src_stop && !initial_pass) { - usleep(1000); - initial_pass = get_migration_pass(who); - } - - do { + while (changes < 2 && !src_state.stop_seen) { usleep(1000); pass = get_migration_pass(who); - } while (pass == initial_pass && !got_src_stop); + changes += (pass != prev_pass); + prev_pass = pass; + } } static void check_guests_ram(QTestState *who) @@ -617,10 +629,7 @@ static void migrate_postcopy_start(QTestState *from, QTestState *to) { qtest_qmp_assert_success(from, "{ 'execute': 'migrate-start-postcopy' }"); - if (!got_src_stop) { - qtest_qmp_eventwait(from, "STOP"); - } - + wait_for_stop(from, &src_state); qtest_qmp_eventwait(to, "RESUME"); } @@ -756,8 +765,8 @@ static int test_migrate_start(QTestState **from, QTestState **to, } } - got_src_stop = false; - got_dst_resume = false; + dst_state = (QTestMigrationState) { }; + src_state = (QTestMigrationState) { }; if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { memory_size = "150M"; @@ -848,8 +857,8 @@ static int test_migrate_start(QTestState **from, QTestState **to, if (!args->only_target) { *from = qtest_init_with_env(QEMU_ENV_SRC, cmd_source); qtest_qmp_set_event_callback(*from, - migrate_watch_for_stop, - &got_src_stop); + migrate_watch_for_events, + &src_state); } cmd_target = g_strdup_printf("-accel kvm%s -accel tcg " @@ -869,8 +878,8 @@ static int test_migrate_start(QTestState **from, QTestState **to, ignore_stderr); *to = qtest_init_with_env(QEMU_ENV_DST, cmd_target); qtest_qmp_set_event_callback(*to, - migrate_watch_for_resume, - &got_dst_resume); + migrate_watch_for_events, + &dst_state); /* * Remove shmem file immediately to avoid memory leak in test failed case. @@ -1717,9 +1726,7 @@ static void test_precopy_common(MigrateCommon *args) */ if (args->result == MIG_TEST_SUCCEED) { qtest_qmp_assert_success(from, "{ 'execute' : 'stop'}"); - if (!got_src_stop) { - qtest_qmp_eventwait(from, "STOP"); - } + wait_for_stop(from, &src_state); migrate_ensure_converge(from); } } @@ -1765,9 +1772,8 @@ static void test_precopy_common(MigrateCommon *args) */ wait_for_migration_complete(from); - if (!got_src_stop) { - qtest_qmp_eventwait(from, "STOP"); - } + wait_for_stop(from, &src_state); + } else { wait_for_migration_complete(from); /* @@ -1780,9 +1786,7 @@ static void test_precopy_common(MigrateCommon *args) qtest_qmp_assert_success(to, "{ 'execute' : 'cont'}"); } - if (!got_dst_resume) { - qtest_qmp_eventwait(to, "RESUME"); - } + wait_for_resume(to, &dst_state); wait_for_serial("dest_serial"); } @@ -1821,9 +1825,7 @@ static void test_file_common(MigrateCommon *args, bool stop_src) if (stop_src) { qtest_qmp_assert_success(from, "{ 'execute' : 'stop'}"); - if (!got_src_stop) { - qtest_qmp_eventwait(from, "STOP"); - } + wait_for_stop(from, &src_state); } if (args->result == MIG_TEST_QMP_ERROR) { @@ -1844,10 +1846,7 @@ static void test_file_common(MigrateCommon *args, bool stop_src) if (stop_src) { qtest_qmp_assert_success(to, "{ 'execute' : 'cont'}"); } - - if (!got_dst_resume) { - qtest_qmp_eventwait(to, "RESUME"); - } + wait_for_resume(to, &dst_state); wait_for_serial("dest_serial"); @@ -1966,9 +1965,7 @@ static void test_ignore_shared(void) migrate_wait_for_dirty_mem(from, to); - if (!got_src_stop) { - qtest_qmp_eventwait(from, "STOP"); - } + wait_for_stop(from, &src_state); qtest_qmp_eventwait(to, "RESUME"); @@ -2503,7 +2500,7 @@ static void test_migrate_auto_converge(void) break; } usleep(20); - g_assert_false(got_src_stop); + g_assert_false(src_state.stop_seen); } while (true); /* The first percentage of throttling should be at least init_pct */ g_assert_cmpint(percentage, >=, init_pct); @@ -2842,9 +2839,7 @@ static void test_multifd_tcp_cancel(void) migrate_ensure_converge(from); - if (!got_src_stop) { - qtest_qmp_eventwait(from, "STOP"); - } + wait_for_stop(from, &src_state); qtest_qmp_eventwait(to2, "RESUME"); wait_for_serial("dest_serial"); @@ -3177,7 +3172,7 @@ static void test_migrate_dirty_limit(void) throttle_us_per_full = read_migrate_property_int(from, "dirty-limit-throttle-time-per-round"); usleep(100); - g_assert_false(got_src_stop); + g_assert_false(src_state.stop_seen); } /* Now cancel migrate and wait for dirty limit throttle switch off */ @@ -3189,7 +3184,7 @@ static void test_migrate_dirty_limit(void) throttle_us_per_full = read_migrate_property_int(from, "dirty-limit-throttle-time-per-round"); usleep(100); - g_assert_false(got_src_stop); + g_assert_false(src_state.stop_seen); } while (throttle_us_per_full != 0 && --max_try_count); /* Assert dirty limit is not in service */ @@ -3218,7 +3213,7 @@ static void test_migrate_dirty_limit(void) throttle_us_per_full = read_migrate_property_int(from, "dirty-limit-throttle-time-per-round"); usleep(100); - g_assert_false(got_src_stop); + g_assert_false(src_state.stop_seen); } /*