From patchwork Thu Jul 6 20:19:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabiano Rosas X-Patchwork-Id: 1804489 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=Ch9QR0cC; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=N3VEwUZo; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QxnwP0gcTz20ZQ for ; Fri, 7 Jul 2023 06:20:52 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qHVSF-0002SF-EP; Thu, 06 Jul 2023 16:19:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qHVSA-0002S3-Hq for qemu-devel@nongnu.org; Thu, 06 Jul 2023 16:19:50 -0400 Received: from smtp-out1.suse.de ([2001:67c:2178:6::1c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qHVS8-0002d9-RD for qemu-devel@nongnu.org; Thu, 06 Jul 2023 16:19:50 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id C2FA9227AC; Thu, 6 Jul 2023 20:19:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1688674787; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=egcqH+gVfdeufhFro9U9i2WJ7tNdQLyxBr1xiOSsBXU=; b=Ch9QR0cCfcVS7gmwjrl0Q/Z4I9GDTC7Nc7Rwaqrde/tF/FyOQ8zukqZbOTaVH85UOl+kSK m4d+IzJamY+hnIt82Ao52YdlVY9JF630X1h4S8aAjxRuy5W5G3Szab/2L3ZPwNQmNWhT+C sNYHOE8FNy5/KRy7TNiiC1TaBof4UmE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1688674787; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=egcqH+gVfdeufhFro9U9i2WJ7tNdQLyxBr1xiOSsBXU=; b=N3VEwUZo98JBs2ze9t7VZI6paIacMpPhQ+wjKx+o4nmuKBW1WirZf88I/BkasEwvL6limf F4lsdv9BkBVaghBw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 67F93138EE; Thu, 6 Jul 2023 20:19:45 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id qOfvDOEhp2S8GAAAMHmgww (envelope-from ); Thu, 06 Jul 2023 20:19:45 +0000 From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Juan Quintela , Peter Xu , Steve Sistare , =?utf-8?q?Daniel_P_=2E_Berrang?= =?utf-8?q?=C3=A9?= , Leonardo Bras , Thomas Huth , Laurent Vivier , Paolo Bonzini Subject: [PATCH v4 6/6] tests/qtest: migration-test: Add tests for file-based migration Date: Thu, 6 Jul 2023 17:19:27 -0300 Message-Id: <20230706201927.15442-7-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230706201927.15442-1-farosas@suse.de> References: <20230706201927.15442-1-farosas@suse.de> MIME-Version: 1.0 Received-SPF: pass client-ip=2001:67c:2178:6::1c; envelope-from=farosas@suse.de; helo=smtp-out1.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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 Add basic tests for file-based migration. Signed-off-by: Fabiano Rosas Reviewed-by: Peter Xu --- tests/qtest/migration-test.c | 99 ++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c index 2fdf6a115e..c052dbe1f1 100644 --- a/tests/qtest/migration-test.c +++ b/tests/qtest/migration-test.c @@ -52,6 +52,10 @@ static bool got_dst_resume; */ #define DIRTYLIMIT_TOLERANCE_RANGE 25 /* MB/s */ +#define QEMU_VM_FILE_MAGIC 0x5145564d +#define FILE_TEST_FILENAME "migfile" +#define FILE_TEST_OFFSET 0x1000 + #if defined(__linux__) #include #include @@ -762,6 +766,7 @@ static void test_migrate_end(QTestState *from, QTestState *to, bool test_dest) cleanup("migsocket"); cleanup("src_serial"); cleanup("dest_serial"); + cleanup(FILE_TEST_FILENAME); } #ifdef CONFIG_GNUTLS @@ -1459,11 +1464,28 @@ static void test_precopy_common(MigrateCommon *args) */ wait_for_migration_complete(from); + /* + * For file based migration the target must begin its + * migration after the source has finished. + */ + if (strstr(connect_uri, "file:")) { + migrate_incoming_qmp(to, connect_uri, "{}"); + } + if (!got_src_stop) { qtest_qmp_eventwait(from, "STOP"); } } else { wait_for_migration_complete(from); + + /* + * For file based migration the target must begin its + * migration after the source has finished. + */ + if (strstr(connect_uri, "file:")) { + migrate_incoming_qmp(to, connect_uri, "{}"); + } + /* * Must wait for dst to finish reading all incoming * data on the socket before issuing 'cont' otherwise @@ -1681,6 +1703,75 @@ static void test_precopy_unix_compress_nowait(void) test_precopy_common(&args); } +static void test_precopy_file(void) +{ + g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs, + FILE_TEST_FILENAME); + MigrateCommon args = { + .connect_uri = uri, + .listen_uri = "defer", + }; + + test_precopy_common(&args); +} + +static void file_offset_finish_hook(QTestState *from, QTestState *to, void *opaque) +{ +#if defined(__linux__) + g_autofree char *path = g_strdup_printf("%s/%s", tmpfs, FILE_TEST_FILENAME); + size_t size = FILE_TEST_OFFSET + sizeof(QEMU_VM_FILE_MAGIC); + uintptr_t *addr, *p; + int fd; + + fd = open(path, O_RDONLY); + g_assert(fd != -1); + addr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); + g_assert(addr != MAP_FAILED); + + /* + * Ensure the skipped offset contains zeros and the migration + * stream starts at the right place. + */ + p = addr; + while (p < addr + FILE_TEST_OFFSET / sizeof(uintptr_t)) { + g_assert(*p == 0); + p++; + } + g_assert_cmpint(cpu_to_be32(*p), ==, QEMU_VM_FILE_MAGIC); + + munmap(addr, size); + close(fd); +#endif +} + +static void test_precopy_file_offset(void) +{ + g_autofree char *uri = g_strdup_printf("file:%s/%s,offset=%d", tmpfs, + FILE_TEST_FILENAME, + FILE_TEST_OFFSET); + MigrateCommon args = { + .connect_uri = uri, + .listen_uri = "defer", + .finish_hook = file_offset_finish_hook, + }; + + test_precopy_common(&args); +} + +static void test_precopy_file_offset_bad(void) +{ + /* using a value not supported by qemu_strtosz() */ + g_autofree char *uri = g_strdup_printf("file:%s/%s,offset=0x20M", + tmpfs, FILE_TEST_FILENAME); + MigrateCommon args = { + .connect_uri = uri, + .listen_uri = "defer", + .result = MIG_TEST_QMP_ERROR, + }; + + test_precopy_common(&args); +} + static void test_precopy_tcp_plain(void) { MigrateCommon args = { @@ -2730,6 +2821,14 @@ int main(int argc, char **argv) qtest_add_func("/migration/precopy/unix/compress/nowait", test_precopy_unix_compress_nowait); } + + qtest_add_func("/migration/precopy/file", + test_precopy_file); + qtest_add_func("/migration/precopy/file/offset", + test_precopy_file_offset); + qtest_add_func("/migration/precopy/file/offset/bad", + test_precopy_file_offset_bad); + #ifdef CONFIG_GNUTLS qtest_add_func("/migration/precopy/unix/tls/psk", test_precopy_unix_tls_psk);