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Tue, 2 Jul 2019 16:52:01 +0000 From: Tyler Baicar OS To: Open Source Submission , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-acpi@vger.kernel.org" , "linux-edac@vger.kernel.org" , "james.morse@arm.com" , "catalin.marinas@arm.com" , "will@kernel.org" , "lorenzo.pieralisi@arm.com" , "guohanjun@huawei.com" , "sudeep.holla@arm.com" , "rjw@rjwysocki.net" , "lenb@kernel.org" , "mark.rutland@arm.com" , "tony.luck@intel.com" , "bp@alien8.de" , "Matteo.Carlini@arm.com" , "Andrew.Murray@arm.com" CC: Tyler Baicar OS Subject: [PATCH RFC 4/4] trace, ras: add ARM RAS extension trace event Thread-Topic: [PATCH RFC 4/4] trace, ras: add ARM RAS extension trace event Thread-Index: AQHVMPZ4sF6dKk/9qkCTbQGWCWIwpg== Date: Tue, 2 Jul 2019 16:52:01 +0000 Message-ID: <1562086280-5351-5-git-send-email-baicar@os.amperecomputing.com> References: <1562086280-5351-1-git-send-email-baicar@os.amperecomputing.com> In-Reply-To: <1562086280-5351-1-git-send-email-baicar@os.amperecomputing.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: CY4PR16CA0040.namprd16.prod.outlook.com (2603:10b6:910:60::27) To DM5PR0102MB3383.prod.exchangelabs.com (2603:10b6:4:9f::22) authentication-results: spf=none (sender IP is ) smtp.mailfrom=baicar@os.amperecomputing.com; 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Signed-off-by: Tyler Baicar --- arch/arm64/kernel/ras.c | 3 +++ drivers/acpi/arm64/aest.c | 4 ++++ include/ras/ras_event.h | 46 +++++++++++++++++++++++++++++++++++++++++++= +++ 3 files changed, 53 insertions(+) diff --git a/arch/arm64/kernel/ras.c b/arch/arm64/kernel/ras.c index ca47efa..4e34d63 100644 --- a/arch/arm64/kernel/ras.c +++ b/arch/arm64/kernel/ras.c @@ -5,6 +5,7 @@ #include =20 #include +#include =20 void arch_arm_ras_report_error(void) { @@ -50,6 +51,8 @@ void arch_arm_ras_report_error(void) regs.err_misc1); } =20 + trace_arm_ras_ext_event(0, cpu_num, ®s); + /* * In the future, we will treat UER conditions as potentially * recoverable. diff --git a/drivers/acpi/arm64/aest.c b/drivers/acpi/arm64/aest.c index fd4f3b5..21ec583 100644 --- a/drivers/acpi/arm64/aest.c +++ b/drivers/acpi/arm64/aest.c @@ -13,6 +13,7 @@ #include =20 #include +#include =20 #undef pr_fmt #define pr_fmt(fmt) "ACPI AEST: " fmt @@ -102,6 +103,9 @@ static void aest_proc(struct aest_node_data *data) =20 aest_print(data, regs, i); =20 + trace_arm_ras_ext_event(data->node_type, data->data.proc.id, + ®s); + if (regs.err_status & ERR_STATUS_UE) fatal =3D true; =20 diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h index 36c5c5e..8b76cb1 100644 --- a/include/ras/ras_event.h +++ b/include/ras/ras_event.h @@ -339,6 +339,52 @@ ); =20 /* + * ARM RAS Extension Events Report + * + * This event is generated when an error reported by the ARM RAS extension + * hardware is detected. + */ + +#ifdef CONFIG_ARM64 +#include +TRACE_EVENT(arm_ras_ext_event, + + TP_PROTO(u8 type, u32 id, struct ras_ext_regs *regs), + + TP_ARGS(type, id, regs), + + TP_STRUCT__entry( + __field(u8, type) + __field(u32, id) + __field(u64, err_fr) + __field(u64, err_ctlr) + __field(u64, err_status) + __field(u64, err_addr) + __field(u64, err_misc0) + __field(u64, err_misc1) + ), + + TP_fast_assign( + __entry->type =3D type; + __entry->id =3D id; + __entry->err_fr =3D regs->err_fr; + __entry->err_ctlr =3D regs->err_ctlr; + __entry->err_status =3D regs->err_status; + __entry->err_addr =3D regs->err_addr; + __entry->err_misc0 =3D regs->err_misc0; + __entry->err_misc1 =3D regs->err_misc1; + ), + + TP_printk("type: %d; id: %d; ERR_FR: %llx; ERR_CTLR: %llx; " + "ERR_STATUS: %llx; ERR_ADDR: %llx; ERR_MISC0: %llx; " + "ERR_MISC1: %llx", + __entry->type, __entry->id, __entry->err_fr, + __entry->err_ctlr, __entry->err_status, __entry->err_addr, + __entry->err_misc0, __entry->err_misc1) +); +#endif + +/* * memory-failure recovery action result event * * unsigned long pfn - Page Frame Number of the corrupted page --=20 1.8.3.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D4A8C06510 for ; 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Tue, 02 Jul 2019 16:52:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=os.amperecomputing.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=A2Pv3hk0AXEsQIwDpcRtb9dTuPNgkL3Ijw/xoePVDNI=; b=j13ju2rocLDoEVxMMxLL0zCvqgiyw9X+WSrMRWr3V5RIkcmPnL81QLvSjR4BIv+LGMWIjy5dTfVhi+Bos+T/zT01vcsjWMXqOwHUBY1ZK9B/1xCxOTV5zdsioVRvsfkuC4NjFZ3TSNsUB/8PrVq/fTds1N6UIFDvVqXZPMlwTxI= Received: from DM5PR0102MB3383.prod.exchangelabs.com (52.132.128.150) by DM5PR0102MB3400.prod.exchangelabs.com (52.132.129.13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2032.20; Tue, 2 Jul 2019 16:52:01 +0000 Received: from DM5PR0102MB3383.prod.exchangelabs.com ([fe80::2560:7ba6:c491:dcce]) by DM5PR0102MB3383.prod.exchangelabs.com ([fe80::2560:7ba6:c491:dcce%7]) with mapi id 15.20.2032.019; Tue, 2 Jul 2019 16:52:01 +0000 From: Tyler Baicar OS To: Open Source Submission , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-acpi@vger.kernel.org" , "linux-edac@vger.kernel.org" , "james.morse@arm.com" , "catalin.marinas@arm.com" , "will@kernel.org" , "lorenzo.pieralisi@arm.com" , "guohanjun@huawei.com" , "sudeep.holla@arm.com" , "rjw@rjwysocki.net" , "lenb@kernel.org" , "mark.rutland@arm.com" , "tony.luck@intel.com" , "bp@alien8.de" , "Matteo.Carlini@arm.com" , "Andrew.Murray@arm.com" Subject: [PATCH RFC 4/4] trace, ras: add ARM RAS extension trace event Thread-Topic: [PATCH RFC 4/4] trace, ras: add ARM RAS extension trace event Thread-Index: AQHVMPZ4sF6dKk/9qkCTbQGWCWIwpg== Date: Tue, 2 Jul 2019 16:52:01 +0000 Message-ID: <1562086280-5351-5-git-send-email-baicar@os.amperecomputing.com> References: <1562086280-5351-1-git-send-email-baicar@os.amperecomputing.com> In-Reply-To: <1562086280-5351-1-git-send-email-baicar@os.amperecomputing.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: CY4PR16CA0040.namprd16.prod.outlook.com (2603:10b6:910:60::27) To DM5PR0102MB3383.prod.exchangelabs.com (2603:10b6:4:9f::22) authentication-results: spf=none (sender IP is ) smtp.mailfrom=baicar@os.amperecomputing.com; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add a trace event for hardware errors reported by the ARMv8.2 RAS extension registers. Signed-off-by: Tyler Baicar --- arch/arm64/kernel/ras.c | 3 +++ drivers/acpi/arm64/aest.c | 4 ++++ include/ras/ras_event.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 53 insertions(+) diff --git a/arch/arm64/kernel/ras.c b/arch/arm64/kernel/ras.c index ca47efa..4e34d63 100644 --- a/arch/arm64/kernel/ras.c +++ b/arch/arm64/kernel/ras.c @@ -5,6 +5,7 @@ #include #include +#include void arch_arm_ras_report_error(void) { @@ -50,6 +51,8 @@ void arch_arm_ras_report_error(void) regs.err_misc1); } + trace_arm_ras_ext_event(0, cpu_num, ®s); + /* * In the future, we will treat UER conditions as potentially * recoverable. diff --git a/drivers/acpi/arm64/aest.c b/drivers/acpi/arm64/aest.c index fd4f3b5..21ec583 100644 --- a/drivers/acpi/arm64/aest.c +++ b/drivers/acpi/arm64/aest.c @@ -13,6 +13,7 @@ #include #include +#include #undef pr_fmt #define pr_fmt(fmt) "ACPI AEST: " fmt @@ -102,6 +103,9 @@ static void aest_proc(struct aest_node_data *data) aest_print(data, regs, i); + trace_arm_ras_ext_event(data->node_type, data->data.proc.id, + ®s); + if (regs.err_status & ERR_STATUS_UE) fatal = true; diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h index 36c5c5e..8b76cb1 100644 --- a/include/ras/ras_event.h +++ b/include/ras/ras_event.h @@ -339,6 +339,52 @@ ); /* + * ARM RAS Extension Events Report + * + * This event is generated when an error reported by the ARM RAS extension + * hardware is detected. + */ + +#ifdef CONFIG_ARM64 +#include +TRACE_EVENT(arm_ras_ext_event, + + TP_PROTO(u8 type, u32 id, struct ras_ext_regs *regs), + + TP_ARGS(type, id, regs), + + TP_STRUCT__entry( + __field(u8, type) + __field(u32, id) + __field(u64, err_fr) + __field(u64, err_ctlr) + __field(u64, err_status) + __field(u64, err_addr) + __field(u64, err_misc0) + __field(u64, err_misc1) + ), + + TP_fast_assign( + __entry->type = type; + __entry->id = id; + __entry->err_fr = regs->err_fr; + __entry->err_ctlr = regs->err_ctlr; + __entry->err_status = regs->err_status; + __entry->err_addr = regs->err_addr; + __entry->err_misc0 = regs->err_misc0; + __entry->err_misc1 = regs->err_misc1; + ), + + TP_printk("type: %d; id: %d; ERR_FR: %llx; ERR_CTLR: %llx; " + "ERR_STATUS: %llx; ERR_ADDR: %llx; ERR_MISC0: %llx; " + "ERR_MISC1: %llx", + __entry->type, __entry->id, __entry->err_fr, + __entry->err_ctlr, __entry->err_status, __entry->err_addr, + __entry->err_misc0, __entry->err_misc1) +); +#endif + +/* * memory-failure recovery action result event * * unsigned long pfn - Page Frame Number of the corrupted page -- 1.8.3.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel