From patchwork Tue Mar 19 07:58:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicholas Piggin X-Patchwork-Id: 1913403 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=eN3PLoiT; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TzPQh6ZQLz1yWn for ; Tue, 19 Mar 2024 19:05:00 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=eN3PLoiT; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4TzPQh5Xntz3vk5 for ; Tue, 19 Mar 2024 19:05:00 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=eN3PLoiT; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::229; helo=mail-oi1-x229.google.com; envelope-from=npiggin@gmail.com; receiver=lists.ozlabs.org) Received: from mail-oi1-x229.google.com (mail-oi1-x229.google.com [IPv6:2607:f8b0:4864:20::229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4TzPK020Y3z3dWS for ; Tue, 19 Mar 2024 19:00:04 +1100 (AEDT) Received: by mail-oi1-x229.google.com with SMTP id 5614622812f47-3c3775ce48fso2702789b6e.2 for ; Tue, 19 Mar 2024 01:00:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1710835201; x=1711440001; darn=lists.ozlabs.org; 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=yeFiA3EfY+1JD1RuYQnw5HbvsQt45vIrT0LQVWviu8g=; b=eN3PLoiTJRgrnlVUf+zLxRdgpQRleqwnQx1O35lgZ+uIGeUm3ZnCyOE65ce2DyPts6 lW9mTQ3FlEcGgVpA6Go/Q0Wr3dPc1GTMmJ1wEQgOQqMs19stkWmivHrFlinhEVuu+OGy u35M5v7HpCRrlxOs2RBcXWb9M6Ms9PYZSGx8o2AFPGy1cDRzYg4s+Su0qrS0w0G8wJ53 XAHS/l/1KG+zPZQ5T7Z+KKuHUpeTpiCIJLMmHSDP55Ki/jD9Hoh2trloGHI4UM60zKxI E9DzG0WsfqALB27KklvcPU24g5snnaIhLz8huB0xGSsXV1awV265N+LTwyr/18S2I3Im pThw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710835201; x=1711440001; 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=yeFiA3EfY+1JD1RuYQnw5HbvsQt45vIrT0LQVWviu8g=; b=VKP0MyGtTIsEGb4lukMhAqaBtpa8D1Jdv4MHxh8OOqaDNqmq3SdKT1EdLY0VtL29Qr cl/t4cNbc4qEuuHHEwQlS5Eun6rBsZxmhbvQECNEi46JytLGoL5h/vO5CYvJ+4X5Ca6P Y4NfRw2aKL6fYz6H1PN2pAtOVM+FwoP7/g4HdEwfAn008x7708Q1c6endWAHBO7m5bT9 YemYbM5gJSIp9Dr27uUkE+VrTQ/Use5vk7xuEWX1uO6PmFamIXzpZteL7FzyOnfkVYhb kSzN+GfZ2I3DSqvn3SuKE+Tp71pcpFPR/DWGsF+K347IHUYdkjQA3KY8j4/xqtKgh9i8 iQ+g== X-Forwarded-Encrypted: i=1; AJvYcCVi0xaXGAu2Qqr8QlG0YZrgdPJuYdOeZmKju7rVU2jQyNQrjkUisS22QaZ/9PBXrm0in6AwA5AkCeCVgoKQhQJ3CrJH/GRwJqhLenVG1w== X-Gm-Message-State: AOJu0YxSl+LhQnz207fmdwxJgKESgFhVzVGo5zw+zVhOO0EK60Y94X16 dDouCZY0Ykg/FaVuE3BciRWjCdX/SsJ2naUdEiCo9JRYmq80ge52 X-Google-Smtp-Source: AGHT+IEKjVgOynnGlounTLvOmvJWwFgatUFePuOrHk3/ueXtGI7nUei9T7Qa+BG/xrhoE5qSdYaWUg== X-Received: by 2002:a05:6808:1b24:b0:3c3:8540:8641 with SMTP id bx36-20020a0568081b2400b003c385408641mr6963268oib.9.1710835200772; Tue, 19 Mar 2024 01:00:00 -0700 (PDT) Received: from wheely.local0.net (193-116-208-39.tpgi.com.au. [193.116.208.39]) by smtp.gmail.com with ESMTPSA id q23-20020a62ae17000000b006e5c464c0a9sm9121283pff.23.2024.03.19.00.59.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Mar 2024 01:00:00 -0700 (PDT) From: Nicholas Piggin To: Thomas Huth Subject: [kvm-unit-tests PATCH v7 07/35] common: add memory dirtying vs migration test Date: Tue, 19 Mar 2024 17:58:58 +1000 Message-ID: <20240319075926.2422707-8-npiggin@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240319075926.2422707-1-npiggin@gmail.com> References: <20240319075926.2422707-1-npiggin@gmail.com> MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , kvm@vger.kernel.org, Nicholas Piggin , Andrew Jones , Paolo Bonzini , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This test stores to a bunch of pages and verifies previous stores, while being continually migrated. Default runtime is 5 seconds. Add this test to ppc64 and s390x builds. This can fail due to a QEMU TCG physical memory dirty bitmap bug, so it is not enabled in unittests for TCG yet. The selftest-migration test time is reduced significantly because this test Signed-off-by: Nicholas Piggin Reviewed-by: Thomas Huth --- common/memory-verify.c | 67 +++++++++++++++++++++++++++++++++++++ common/selftest-migration.c | 8 ++--- powerpc/Makefile.common | 1 + powerpc/memory-verify.c | 1 + powerpc/unittests.cfg | 7 ++++ s390x/Makefile | 1 + s390x/memory-verify.c | 1 + s390x/unittests.cfg | 6 ++++ 8 files changed, 88 insertions(+), 4 deletions(-) create mode 100644 common/memory-verify.c create mode 120000 powerpc/memory-verify.c create mode 120000 s390x/memory-verify.c diff --git a/common/memory-verify.c b/common/memory-verify.c new file mode 100644 index 000000000..e78fb4338 --- /dev/null +++ b/common/memory-verify.c @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Simple memory verification test, used to exercise dirty memory migration. + */ +#include +#include +#include +#include +#include + +#define NR_PAGES 32 + +static unsigned time_sec = 5; + +static void do_getopts(int argc, char **argv) +{ + int i; + + for (i = 0; i < argc; ++i) { + if (strcmp(argv[i], "-t") == 0) { + i++; + if (i == argc) + break; + time_sec = atol(argv[i]); + } + } + + printf("running for %d secs\n", time_sec); +} + +int main(int argc, char **argv) +{ + void *mem = malloc(NR_PAGES*PAGE_SIZE); + bool success = true; + uint64_t ms; + long i; + + do_getopts(argc, argv); + + report_prefix_push("memory"); + + memset(mem, 0, NR_PAGES*PAGE_SIZE); + + migrate_begin_continuous(); + ms = get_clock_ms(); + i = 0; + do { + int j; + + for (j = 0; j < NR_PAGES*PAGE_SIZE; j += PAGE_SIZE) { + if (*(volatile long *)(mem + j) != i) { + success = false; + goto out; + } + *(volatile long *)(mem + j) = i + 1; + } + i++; + } while (get_clock_ms() - ms < time_sec * 1000); +out: + migrate_end_continuous(); + + report(success, "memory verification stress test"); + + report_prefix_pop(); + + return report_summary(); +} diff --git a/common/selftest-migration.c b/common/selftest-migration.c index 9a9b61835..3693148aa 100644 --- a/common/selftest-migration.c +++ b/common/selftest-migration.c @@ -11,7 +11,7 @@ #include #include -#define NR_MIGRATIONS 15 +#define NR_MIGRATIONS 5 int main(int argc, char **argv) { @@ -28,11 +28,11 @@ int main(int argc, char **argv) report(true, "cooperative migration"); migrate_begin_continuous(); - mdelay(2000); - migrate_end_continuous(); mdelay(1000); + migrate_end_continuous(); + mdelay(500); migrate_begin_continuous(); - mdelay(2000); + mdelay(1000); migrate_end_continuous(); report(true, "continuous migration"); } diff --git a/powerpc/Makefile.common b/powerpc/Makefile.common index da4a7bbb8..1e181da69 100644 --- a/powerpc/Makefile.common +++ b/powerpc/Makefile.common @@ -7,6 +7,7 @@ tests-common = \ $(TEST_DIR)/selftest.elf \ $(TEST_DIR)/selftest-migration.elf \ + $(TEST_DIR)/memory-verify.elf \ $(TEST_DIR)/spapr_hcall.elf \ $(TEST_DIR)/rtas.elf \ $(TEST_DIR)/emulator.elf \ diff --git a/powerpc/memory-verify.c b/powerpc/memory-verify.c new file mode 120000 index 000000000..5985c730f --- /dev/null +++ b/powerpc/memory-verify.c @@ -0,0 +1 @@ +../common/memory-verify.c \ No newline at end of file diff --git a/powerpc/unittests.cfg b/powerpc/unittests.cfg index cae4949e8..e65217c18 100644 --- a/powerpc/unittests.cfg +++ b/powerpc/unittests.cfg @@ -49,6 +49,13 @@ machine = pseries groups = selftest migration extra_params = -append "skip" +# This fails due to a QEMU TCG bug so KVM-only until QEMU is fixed upstream +[migration-memory] +file = memory-verify.elf +accel = kvm +machine = pseries +groups = migration + [spapr_hcall] file = spapr_hcall.elf diff --git a/s390x/Makefile b/s390x/Makefile index 344d46d68..ddc0969f3 100644 --- a/s390x/Makefile +++ b/s390x/Makefile @@ -1,5 +1,6 @@ tests = $(TEST_DIR)/selftest.elf tests += $(TEST_DIR)/selftest-migration.elf +tests += $(TEST_DIR)/memory-verify.elf tests += $(TEST_DIR)/intercept.elf tests += $(TEST_DIR)/emulator.elf tests += $(TEST_DIR)/sieve.elf diff --git a/s390x/memory-verify.c b/s390x/memory-verify.c new file mode 120000 index 000000000..5985c730f --- /dev/null +++ b/s390x/memory-verify.c @@ -0,0 +1 @@ +../common/memory-verify.c \ No newline at end of file diff --git a/s390x/unittests.cfg b/s390x/unittests.cfg index b79b99416..550eff787 100644 --- a/s390x/unittests.cfg +++ b/s390x/unittests.cfg @@ -44,6 +44,12 @@ file = selftest-migration.elf groups = selftest migration extra_params = -append "skip" +# This fails due to a QEMU TCG bug so KVM-only until QEMU is fixed upstream +[migration-memory] +file = memory-verify.elf +accel = kvm +groups = migration + [intercept] file = intercept.elf