From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EF478199A4 for ; Fri, 22 Dec 2023 13:52:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NNxIl0T8" Received: by mail-pj1-f54.google.com with SMTP id 98e67ed59e1d1-28c0536806fso756985a91.0 for ; Fri, 22 Dec 2023 05:52:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703253130; x=1703857930; darn=lists.linux.dev; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=aeAYbCIRliGvqtaXOLpF2rqcgjxtp1a4iDArca+1VrE=; b=NNxIl0T8H+eZX9hkveyXMy30FFfDJtdvhLDIt9rXGy1PJz6FlihXj9NTE9386xmVK/ iSkFt7lKzrZWm1G697oFgmmlN15MOO2cpdTj8hVgKKayzxaE6v6oUORUNmdA3IwrpK7I rmxelaJQs4+tvltfp2+xt52omMo9dHYVy6eobWY2U7n3i6l2vczmwDo4+JQYAyH310n6 JYHxSSWAYRTMVADLlob6neSbovX2pVsaQ9CrmFgFc6/MizCHINvJLn36Y7AWSRPVzs+K qGzGAQQPCG2uwVwNTCnwRNY0pwczjIvwpZJJ3ZD/ynFWa3B9nknJjaVN9tDEcVlCGlLv gihw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703253130; x=1703857930; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=aeAYbCIRliGvqtaXOLpF2rqcgjxtp1a4iDArca+1VrE=; b=n+q5pkoUwwOr2H6InIgAI4HI9OjzXGrGu1Qt3TSbKE3zu9y7s3iUht68eN4Ku2z8+F F2hQ9A4QimePdShHcoV1rLO9U2abFG/emyqmeK22TBFZKqANi/631QHHn7TXxAf5XH5g 8/xbIqx7xQ0GhKS8B3mLEWLJxKco4HJCtoR3gP2jk0xxduZ3k55Gae9gzyDZ0peqi+yA zPtpsTiHWr3KeyyG0WSJPHvT3OHWFG9LV8ODRKdHgfgVpmsrOXtgOFCa8Upg9VstAjZe VCLr0VQItzsH9S1cWpvteaDv1I/f6tLHDz2n3Irxlpjujdq2LiaGT9ieEVGn3daVje8l ilGg== X-Gm-Message-State: AOJu0YyoPHpLy8iaVoefIzS548qHfWuWbBpuedo0YqXuw/qy8G926v02 uxXoflgnWe9VGLleA6ouwxk= X-Google-Smtp-Source: AGHT+IExjN9duiOKRKviSE2m6Rk3lPcZdwg4mh/5940CTeHG0yd/WEEfRjEKyjHpXFhQ5zZy8GD3fg== X-Received: by 2002:a17:90a:9d8b:b0:28c:1eff:ac4a with SMTP id k11-20020a17090a9d8b00b0028c1effac4amr143403pjp.90.1703253130457; Fri, 22 Dec 2023 05:52:10 -0800 (PST) Received: from wheely.local0.net ([203.220.145.68]) by smtp.gmail.com with ESMTPSA id n12-20020a17090ac68c00b0028ae54d988esm3629280pjt.48.2023.12.22.05.52.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Dec 2023 05:52:10 -0800 (PST) From: Nicholas Piggin To: Thomas Huth Cc: Nicholas Piggin , kvm@vger.kernel.org, Laurent Vivier , "Shaoqin Huang" , Andrew Jones , Nico Boehr , Paolo Bonzini , Alexandru Elisei , Eric Auger , Janosch Frank , Claudio Imbrenda , David Hildenbrand , linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, kvmarm@lists.linux.dev Subject: [kvm-unit-tests PATCH 9/9] migration: add a migration selftest Date: Fri, 22 Dec 2023 23:50:48 +1000 Message-ID: <20231222135048.1924672-10-npiggin@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231222135048.1924672-1-npiggin@gmail.com> References: <20231222135048.1924672-1-npiggin@gmail.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add a selftest for migration support in guest library and test harness code. It performs migrations a tight loop to irritate races, and has flushed out several bugs in developing in the complicated test harness migration code already. Signed-off-by: Nicholas Piggin --- arm/Makefile.common | 1 + arm/unittests.cfg | 6 ++++++ common/selftest-migration.c | 34 ++++++++++++++++++++++++++++++++++ powerpc/Makefile.common | 1 + powerpc/unittests.cfg | 4 ++++ s390x/Makefile | 1 + s390x/unittests.cfg | 4 ++++ 7 files changed, 51 insertions(+) create mode 100644 common/selftest-migration.c diff --git a/arm/Makefile.common b/arm/Makefile.common index 5214c8ac..d769ae52 100644 --- a/arm/Makefile.common +++ b/arm/Makefile.common @@ -5,6 +5,7 @@ # tests-common = $(TEST_DIR)/selftest.$(exe) +tests-common += $(TEST_DIR)/selftest-migration.$(exe) tests-common += $(TEST_DIR)/spinlock-test.$(exe) tests-common += $(TEST_DIR)/pci-test.$(exe) tests-common += $(TEST_DIR)/pmu.$(exe) diff --git a/arm/unittests.cfg b/arm/unittests.cfg index fe601cbb..1ffd9a82 100644 --- a/arm/unittests.cfg +++ b/arm/unittests.cfg @@ -55,6 +55,12 @@ smp = $MAX_SMP extra_params = -append 'smp' groups = selftest +# Test migration +[selftest-migration] +file = selftest-migration.flat +groups = selftest migration + +arch = arm64 # Test PCI emulation [pci-test] file = pci-test.flat diff --git a/common/selftest-migration.c b/common/selftest-migration.c new file mode 100644 index 00000000..f70c505f --- /dev/null +++ b/common/selftest-migration.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Machine independent migration tests + * + * This is just a very simple test that is intended to stress the migration + * support in the test harness. This could be expanded to test more guest + * library code, but architecture-specific tests should be used to test + * migration of tricky machine state. + */ +#include +#include + +#if defined(__arm__) || defined(__aarch64__) +/* arm can only call getchar 15 times */ +#define NR_MIGRATIONS 15 +#else +#define NR_MIGRATIONS 100 +#endif + +int main(int argc, char **argv) +{ + int i = 0; + + report_prefix_push("migration"); + + for (i = 0; i < NR_MIGRATIONS; i++) + migrate_quiet(); + + report(true, "simple harness stress test"); + + report_prefix_pop(); + + return report_summary(); +} diff --git a/powerpc/Makefile.common b/powerpc/Makefile.common index f8f47490..0d1a65f7 100644 --- a/powerpc/Makefile.common +++ b/powerpc/Makefile.common @@ -6,6 +6,7 @@ tests-common = \ $(TEST_DIR)/selftest.elf \ + $(TEST_DIR)/selftest-migration.elf \ $(TEST_DIR)/spapr_hcall.elf \ $(TEST_DIR)/rtas.elf \ $(TEST_DIR)/emulator.elf \ diff --git a/powerpc/unittests.cfg b/powerpc/unittests.cfg index e71140aa..7ce57de0 100644 --- a/powerpc/unittests.cfg +++ b/powerpc/unittests.cfg @@ -36,6 +36,10 @@ smp = 2 extra_params = -m 256 -append 'setup smp=2 mem=256' groups = selftest +[selftest-migration] +file = selftest-migration.elf +groups = selftest migration + [spapr_hcall] file = spapr_hcall.elf diff --git a/s390x/Makefile b/s390x/Makefile index 95ef9533..505e5d32 100644 --- a/s390x/Makefile +++ b/s390x/Makefile @@ -1,4 +1,5 @@ tests = $(TEST_DIR)/selftest.elf +tests += $(TEST_DIR)/selftest-migration.elf tests += $(TEST_DIR)/intercept.elf tests += $(TEST_DIR)/emulator.elf tests += $(TEST_DIR)/sieve.elf diff --git a/s390x/unittests.cfg b/s390x/unittests.cfg index f5024b6e..a7ad522c 100644 --- a/s390x/unittests.cfg +++ b/s390x/unittests.cfg @@ -24,6 +24,10 @@ groups = selftest # please keep the kernel cmdline in sync with $(TEST_DIR)/selftest.parmfile extra_params = -append 'test 123' +[selftest-migration] +file = selftest-migration.elf +groups = selftest migration + [intercept] file = intercept.elf -- 2.42.0