From patchwork Fri Feb 10 06:40:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 13135423 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACFB1C05027 for ; Fri, 10 Feb 2023 06:41:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231278AbjBJGlz (ORCPT ); Fri, 10 Feb 2023 01:41:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231263AbjBJGlx (ORCPT ); Fri, 10 Feb 2023 01:41:53 -0500 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BACEAD36; Thu, 9 Feb 2023 22:41:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1676011311; x=1707547311; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=TI+0joA298pc+JfBfTNyxaO9hcO84DQlkJSzrTCloNg=; b=fDK78ngX7aY1gEnM1djQ4L4y42Ri5W5Y1CUy+xSYihQUj2Xqn+DdlOtl 3J7rj629Iih0v6gdYokRoK8vD9xjpoqJgeyihKbhjxLj5UFzd3uPuJ0RK vNwbGhBNMP1bP+7Trl5xgdkcEi0tZqBPUvAWh4+WNAfFDIj67CNaC6Ent JBryqfeHrekC54pNSDGNvhnoyGSGkwraApCVoTHcsurKV7bl6NDy9ryIt gr6wD1M/8lUaGllTCrb1ylBl4bb8Lly6q1EOAbbAox9xiwvkGS1bFJ2s3 U08T1pnlye6ZIIySCvJDYlw/JaoB7/2WCYLJ+0FmUz5GVZ7m0kvt4+Qdf A==; X-IronPort-AV: E=McAfee;i="6500,9779,10616"; a="331654755" X-IronPort-AV: E=Sophos;i="5.97,286,1669104000"; d="scan'208";a="331654755" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2023 22:41:51 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10616"; a="661300311" X-IronPort-AV: E=Sophos;i="5.97,286,1669104000"; d="scan'208";a="661300311" Received: from iweiny-desk3.amr.corp.intel.com (HELO localhost) ([10.212.43.65]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2023 22:41:50 -0800 From: Ira Weiny Date: Thu, 09 Feb 2023 22:40:15 -0800 Subject: [PATCH 1/2] cxl/trace: Standardize device information output MIME-Version: 1.0 Message-Id: <20230208-cxl-event-names-v1-1-73f0ff3a3870@intel.com> References: <20230208-cxl-event-names-v1-0-73f0ff3a3870@intel.com> In-Reply-To: <20230208-cxl-event-names-v1-0-73f0ff3a3870@intel.com> To: Alison Schofield , Vishal Verma , Ben Widawsky , Dan Williams Cc: linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, Ira Weiny , Steven Rostedt , Dave Jiang X-Mailer: b4 0.13-dev-ada30 X-Developer-Signature: v=1; a=ed25519-sha256; t=1676011309; l=11607; i=ira.weiny@intel.com; s=20221222; h=from:subject:message-id; bh=TI+0joA298pc+JfBfTNyxaO9hcO84DQlkJSzrTCloNg=; b=UJJ5YfzUcdsXUjEAU5T0/7YPxMHXCR4jEjTV+DKEyLvHDTjCqbEqivjeNN+cY5n7GZv+iMWu53ly 55qsKmteC6RkcjAsfRD+opVQ3X6nyaa8CvWDOJ5T5h4gzBhVK8U0 X-Developer-Key: i=ira.weiny@intel.com; a=ed25519; pk=brwqReAJklzu/xZ9FpSsMPSQ/qkSalbg6scP3w809Ec= Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org The trace points were written to take a struct device input for the trace. This is normally a valid way to define trace points. Unfortunately in CXL multiple device objects associated with each CXL hardware device. Using different device objects in the trace point can lead to confusion for users. The PCIe device is nice to have, but the user space tooling relies on the memory device naming. It is better to have those device names reported. Change all trace points to take struct cxl_memdev as a standard and report that name. Furthermore, standardize on the name 'memdev' in both /sys/kernel/tracing/trace and cxl-cli monitor output. Cc: Steven Rostedt Cc: Dave Jiang Signed-off-by: Ira Weiny --- drivers/cxl/core/mbox.c | 14 +++++----- drivers/cxl/core/pci.c | 8 ++---- drivers/cxl/core/trace.h | 70 ++++++++++++++++++++++++------------------------ 3 files changed, 44 insertions(+), 48 deletions(-) diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c index 03909b6cef55..bc73085a3f6a 100644 --- a/drivers/cxl/core/mbox.c +++ b/drivers/cxl/core/mbox.c @@ -763,7 +763,7 @@ static const uuid_t mem_mod_event_uuid = UUID_INIT(0xfe927475, 0xdd59, 0x4339, 0xa5, 0x86, 0x79, 0xba, 0xb1, 0x13, 0xb7, 0x74); -static void cxl_event_trace_record(const struct device *dev, +static void cxl_event_trace_record(const struct cxl_memdev *cxlmd, enum cxl_event_log_type type, struct cxl_event_record_raw *record) { @@ -773,19 +773,19 @@ static void cxl_event_trace_record(const struct device *dev, struct cxl_event_gen_media *rec = (struct cxl_event_gen_media *)record; - trace_cxl_general_media(dev, type, rec); + trace_cxl_general_media(cxlmd, type, rec); } else if (uuid_equal(id, &dram_event_uuid)) { struct cxl_event_dram *rec = (struct cxl_event_dram *)record; - trace_cxl_dram(dev, type, rec); + trace_cxl_dram(cxlmd, type, rec); } else if (uuid_equal(id, &mem_mod_event_uuid)) { struct cxl_event_mem_module *rec = (struct cxl_event_mem_module *)record; - trace_cxl_memory_module(dev, type, rec); + trace_cxl_memory_module(cxlmd, type, rec); } else { /* For unknown record types print just the header */ - trace_cxl_generic_event(dev, type, record); + trace_cxl_generic_event(cxlmd, type, record); } } @@ -892,11 +892,11 @@ static void cxl_mem_get_records_log(struct cxl_dev_state *cxlds, break; for (i = 0; i < nr_rec; i++) - cxl_event_trace_record(cxlds->dev, type, + cxl_event_trace_record(cxlds->cxlmd, type, &payload->records[i]); if (payload->flags & CXL_GET_EVENT_FLAG_OVERFLOW) - trace_cxl_overflow(cxlds->dev, type, payload); + trace_cxl_overflow(cxlds->cxlmd, type, payload); rc = cxl_clear_event_record(cxlds, type, payload); if (rc) { diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c index 184ead6a2796..a417391e7d28 100644 --- a/drivers/cxl/core/pci.c +++ b/drivers/cxl/core/pci.c @@ -627,8 +627,6 @@ EXPORT_SYMBOL_NS_GPL(read_cdat_data, CXL); void cxl_cor_error_detected(struct pci_dev *pdev) { struct cxl_dev_state *cxlds = pci_get_drvdata(pdev); - struct cxl_memdev *cxlmd = cxlds->cxlmd; - struct device *dev = &cxlmd->dev; void __iomem *addr; u32 status; @@ -639,7 +637,7 @@ void cxl_cor_error_detected(struct pci_dev *pdev) status = readl(addr); if (status & CXL_RAS_CORRECTABLE_STATUS_MASK) { writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr); - trace_cxl_aer_correctable_error(dev, status); + trace_cxl_aer_correctable_error(cxlds->cxlmd, status); } } EXPORT_SYMBOL_NS_GPL(cxl_cor_error_detected, CXL); @@ -667,8 +665,6 @@ static void header_log_copy(struct cxl_dev_state *cxlds, u32 *log) */ static bool cxl_report_and_clear(struct cxl_dev_state *cxlds) { - struct cxl_memdev *cxlmd = cxlds->cxlmd; - struct device *dev = &cxlmd->dev; u32 hl[CXL_HEADERLOG_SIZE_U32]; void __iomem *addr; u32 status; @@ -694,7 +690,7 @@ static bool cxl_report_and_clear(struct cxl_dev_state *cxlds) } header_log_copy(cxlds, hl); - trace_cxl_aer_uncorrectable_error(dev, status, fe, hl); + trace_cxl_aer_uncorrectable_error(cxlds->cxlmd, status, fe, hl); writel(status & CXL_RAS_UNCORRECTABLE_STATUS_MASK, addr); return true; diff --git a/drivers/cxl/core/trace.h b/drivers/cxl/core/trace.h index c72ef9321cfe..b7a11e6b0e28 100644 --- a/drivers/cxl/core/trace.h +++ b/drivers/cxl/core/trace.h @@ -47,16 +47,16 @@ ) TRACE_EVENT(cxl_aer_uncorrectable_error, - TP_PROTO(const struct device *dev, u32 status, u32 fe, u32 *hl), - TP_ARGS(dev, status, fe, hl), + TP_PROTO(const struct cxl_memdev *cxlmd, u32 status, u32 fe, u32 *hl), + TP_ARGS(cxlmd, status, fe, hl), TP_STRUCT__entry( - __string(dev_name, dev_name(dev)) + __string(memdev, dev_name(&cxlmd->dev)) __field(u32, status) __field(u32, first_error) __array(u32, header_log, CXL_HEADERLOG_SIZE_U32) ), TP_fast_assign( - __assign_str(dev_name, dev_name(dev)); + __assign_str(memdev, dev_name(&cxlmd->dev)); __entry->status = status; __entry->first_error = fe; /* @@ -65,8 +65,8 @@ TRACE_EVENT(cxl_aer_uncorrectable_error, */ memcpy(__entry->header_log, hl, CXL_HEADERLOG_SIZE); ), - TP_printk("%s: status: '%s' first_error: '%s'", - __get_str(dev_name), + TP_printk("memdev=%s: status: '%s' first_error: '%s'", + __get_str(memdev), show_uc_errs(__entry->status), show_uc_errs(__entry->first_error) ) @@ -91,18 +91,18 @@ TRACE_EVENT(cxl_aer_uncorrectable_error, ) TRACE_EVENT(cxl_aer_correctable_error, - TP_PROTO(const struct device *dev, u32 status), - TP_ARGS(dev, status), + TP_PROTO(const struct cxl_memdev *cxlmd, u32 status), + TP_ARGS(cxlmd, status), TP_STRUCT__entry( - __string(dev_name, dev_name(dev)) + __string(memdev, dev_name(&cxlmd->dev)) __field(u32, status) ), TP_fast_assign( - __assign_str(dev_name, dev_name(dev)); + __assign_str(memdev, dev_name(&cxlmd->dev)); __entry->status = status; ), - TP_printk("%s: status: '%s'", - __get_str(dev_name), show_ce_errs(__entry->status) + TP_printk("memdev=%s: status: '%s'", + __get_str(memdev), show_ce_errs(__entry->status) ) ); @@ -115,13 +115,13 @@ TRACE_EVENT(cxl_aer_correctable_error, TRACE_EVENT(cxl_overflow, - TP_PROTO(const struct device *dev, enum cxl_event_log_type log, + TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log, struct cxl_get_event_payload *payload), - TP_ARGS(dev, log, payload), + TP_ARGS(cxlmd, log, payload), TP_STRUCT__entry( - __string(dev_name, dev_name(dev)) + __string(memdev, dev_name(&cxlmd->dev)) __field(int, log) __field(u64, first_ts) __field(u64, last_ts) @@ -129,15 +129,15 @@ TRACE_EVENT(cxl_overflow, ), TP_fast_assign( - __assign_str(dev_name, dev_name(dev)); + __assign_str(memdev, dev_name(&cxlmd->dev)); __entry->log = log; __entry->count = le16_to_cpu(payload->overflow_err_count); __entry->first_ts = le64_to_cpu(payload->first_overflow_timestamp); __entry->last_ts = le64_to_cpu(payload->last_overflow_timestamp); ), - TP_printk("%s: log=%s : %u records from %llu to %llu", - __get_str(dev_name), cxl_event_log_type_str(__entry->log), + TP_printk("memdev=%s: log=%s : %u records from %llu to %llu", + __get_str(memdev), cxl_event_log_type_str(__entry->log), __entry->count, __entry->first_ts, __entry->last_ts) ); @@ -170,7 +170,7 @@ TRACE_EVENT(cxl_overflow, * See the generic_event tracepoint as an example. */ #define CXL_EVT_TP_entry \ - __string(dev_name, dev_name(dev)) \ + __string(memdev, dev_name(&cxlmd->dev)) \ __field(int, log) \ __field_struct(uuid_t, hdr_uuid) \ __field(u32, hdr_flags) \ @@ -180,8 +180,8 @@ TRACE_EVENT(cxl_overflow, __field(u8, hdr_length) \ __field(u8, hdr_maint_op_class) -#define CXL_EVT_TP_fast_assign(dev, l, hdr) \ - __assign_str(dev_name, dev_name(dev)); \ +#define CXL_EVT_TP_fast_assign(cxlmd, l, hdr) \ + __assign_str(memdev, dev_name(&cxlmd->dev)); \ __entry->log = (l); \ memcpy(&__entry->hdr_uuid, &(hdr).id, sizeof(uuid_t)); \ __entry->hdr_length = (hdr).length; \ @@ -192,10 +192,10 @@ TRACE_EVENT(cxl_overflow, __entry->hdr_maint_op_class = (hdr).maint_op_class #define CXL_EVT_TP_printk(fmt, ...) \ - TP_printk("%s log=%s : time=%llu uuid=%pUb len=%d flags='%s' " \ + TP_printk("memdev=%s log=%s : time=%llu uuid=%pUb len=%d flags='%s' " \ "handle=%x related_handle=%x maint_op_class=%u" \ " : " fmt, \ - __get_str(dev_name), cxl_event_log_type_str(__entry->log), \ + __get_str(memdev), cxl_event_log_type_str(__entry->log), \ __entry->hdr_timestamp, &__entry->hdr_uuid, __entry->hdr_length,\ show_hdr_flags(__entry->hdr_flags), __entry->hdr_handle, \ __entry->hdr_related_handle, __entry->hdr_maint_op_class, \ @@ -203,10 +203,10 @@ TRACE_EVENT(cxl_overflow, TRACE_EVENT(cxl_generic_event, - TP_PROTO(const struct device *dev, enum cxl_event_log_type log, + TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log, struct cxl_event_record_raw *rec), - TP_ARGS(dev, log, rec), + TP_ARGS(cxlmd, log, rec), TP_STRUCT__entry( CXL_EVT_TP_entry @@ -214,7 +214,7 @@ TRACE_EVENT(cxl_generic_event, ), TP_fast_assign( - CXL_EVT_TP_fast_assign(dev, log, rec->hdr); + CXL_EVT_TP_fast_assign(cxlmd, log, rec->hdr); memcpy(__entry->data, &rec->data, CXL_EVENT_RECORD_DATA_LENGTH); ), @@ -293,10 +293,10 @@ TRACE_EVENT(cxl_generic_event, TRACE_EVENT(cxl_general_media, - TP_PROTO(const struct device *dev, enum cxl_event_log_type log, + TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log, struct cxl_event_gen_media *rec), - TP_ARGS(dev, log, rec), + TP_ARGS(cxlmd, log, rec), TP_STRUCT__entry( CXL_EVT_TP_entry @@ -315,7 +315,7 @@ TRACE_EVENT(cxl_general_media, ), TP_fast_assign( - CXL_EVT_TP_fast_assign(dev, log, rec->hdr); + CXL_EVT_TP_fast_assign(cxlmd, log, rec->hdr); /* General Media */ __entry->dpa = le64_to_cpu(rec->phys_addr); @@ -376,10 +376,10 @@ TRACE_EVENT(cxl_general_media, TRACE_EVENT(cxl_dram, - TP_PROTO(const struct device *dev, enum cxl_event_log_type log, + TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log, struct cxl_event_dram *rec), - TP_ARGS(dev, log, rec), + TP_ARGS(cxlmd, log, rec), TP_STRUCT__entry( CXL_EVT_TP_entry @@ -401,7 +401,7 @@ TRACE_EVENT(cxl_dram, ), TP_fast_assign( - CXL_EVT_TP_fast_assign(dev, log, rec->hdr); + CXL_EVT_TP_fast_assign(cxlmd, log, rec->hdr); /* DRAM */ __entry->dpa = le64_to_cpu(rec->phys_addr); @@ -525,10 +525,10 @@ TRACE_EVENT(cxl_dram, TRACE_EVENT(cxl_memory_module, - TP_PROTO(const struct device *dev, enum cxl_event_log_type log, + TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log, struct cxl_event_mem_module *rec), - TP_ARGS(dev, log, rec), + TP_ARGS(cxlmd, log, rec), TP_STRUCT__entry( CXL_EVT_TP_entry @@ -548,7 +548,7 @@ TRACE_EVENT(cxl_memory_module, ), TP_fast_assign( - CXL_EVT_TP_fast_assign(dev, log, rec->hdr); + CXL_EVT_TP_fast_assign(cxlmd, log, rec->hdr); /* Memory Module Event */ __entry->event_type = rec->event_type; From patchwork Fri Feb 10 06:40:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 13135422 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB4E0C636D4 for ; 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X-IronPort-AV: E=McAfee;i="6500,9779,10616"; a="331654760" X-IronPort-AV: E=Sophos;i="5.97,286,1669104000"; d="scan'208";a="331654760" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2023 22:41:52 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10616"; a="661300314" X-IronPort-AV: E=Sophos;i="5.97,286,1669104000"; d="scan'208";a="661300314" Received: from iweiny-desk3.amr.corp.intel.com (HELO localhost) ([10.212.43.65]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2023 22:41:51 -0800 From: Ira Weiny Date: Thu, 09 Feb 2023 22:40:16 -0800 Subject: [PATCH 2/2] cxl/trace: Add host output to trace points MIME-Version: 1.0 Message-Id: <20230208-cxl-event-names-v1-2-73f0ff3a3870@intel.com> References: <20230208-cxl-event-names-v1-0-73f0ff3a3870@intel.com> In-Reply-To: <20230208-cxl-event-names-v1-0-73f0ff3a3870@intel.com> To: Alison Schofield , Vishal Verma , Ben Widawsky , Dan Williams Cc: linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, Ira Weiny , Steven Rostedt , Dave Jiang X-Mailer: b4 0.13-dev-ada30 X-Developer-Signature: v=1; a=ed25519-sha256; t=1676011309; l=4583; i=ira.weiny@intel.com; s=20221222; h=from:subject:message-id; bh=eiNZRovgGtYMT3dCMoI5ZB50b+BK2P4JSaNAWOtAIvw=; b=SzIHAJIHeQ7Hsc4oFlAT0kTPw4RfNVBuvKtGwiGbupvZfY1e797td+6EmLFwLVPbmFfADCQlyHLi uHbtKuZlAiMG1gkai2rrBZa9ZE4zwjBN8HttWpU7bxafwJKaWtC2 X-Developer-Key: i=ira.weiny@intel.com; a=ed25519; pk=brwqReAJklzu/xZ9FpSsMPSQ/qkSalbg6scP3w809Ec= Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org The host parameter of where the memdev is connected is useful information. Report host consistently in all trace points. Cc: Steven Rostedt Cc: Dave Jiang Signed-off-by: Ira Weiny --- drivers/cxl/core/trace.h | 31 +++++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/drivers/cxl/core/trace.h b/drivers/cxl/core/trace.h index b7a11e6b0e28..1d32fc5d5eba 100644 --- a/drivers/cxl/core/trace.h +++ b/drivers/cxl/core/trace.h @@ -51,12 +51,14 @@ TRACE_EVENT(cxl_aer_uncorrectable_error, TP_ARGS(cxlmd, status, fe, hl), TP_STRUCT__entry( __string(memdev, dev_name(&cxlmd->dev)) + __string(host, dev_name(cxlmd->dev.parent)) __field(u32, status) __field(u32, first_error) __array(u32, header_log, CXL_HEADERLOG_SIZE_U32) ), TP_fast_assign( __assign_str(memdev, dev_name(&cxlmd->dev)); + __assign_str(host, dev_name(cxlmd->dev.parent)); __entry->status = status; __entry->first_error = fe; /* @@ -65,8 +67,8 @@ TRACE_EVENT(cxl_aer_uncorrectable_error, */ memcpy(__entry->header_log, hl, CXL_HEADERLOG_SIZE); ), - TP_printk("memdev=%s: status: '%s' first_error: '%s'", - __get_str(memdev), + TP_printk("memdev=%s host=%s: status: '%s' first_error: '%s'", + __get_str(memdev), __get_str(host), show_uc_errs(__entry->status), show_uc_errs(__entry->first_error) ) @@ -95,14 +97,17 @@ TRACE_EVENT(cxl_aer_correctable_error, TP_ARGS(cxlmd, status), TP_STRUCT__entry( __string(memdev, dev_name(&cxlmd->dev)) + __string(host, dev_name(cxlmd->dev.parent)) __field(u32, status) ), TP_fast_assign( __assign_str(memdev, dev_name(&cxlmd->dev)); + __assign_str(host, dev_name(cxlmd->dev.parent)); __entry->status = status; ), - TP_printk("memdev=%s: status: '%s'", - __get_str(memdev), show_ce_errs(__entry->status) + TP_printk("memdev=%s host=%s: status: '%s'", + __get_str(memdev), __get_str(host), + show_ce_errs(__entry->status) ) ); @@ -122,6 +127,7 @@ TRACE_EVENT(cxl_overflow, TP_STRUCT__entry( __string(memdev, dev_name(&cxlmd->dev)) + __string(host, dev_name(cxlmd->dev.parent)) __field(int, log) __field(u64, first_ts) __field(u64, last_ts) @@ -130,15 +136,17 @@ TRACE_EVENT(cxl_overflow, TP_fast_assign( __assign_str(memdev, dev_name(&cxlmd->dev)); + __assign_str(host, dev_name(cxlmd->dev.parent)); __entry->log = log; __entry->count = le16_to_cpu(payload->overflow_err_count); __entry->first_ts = le64_to_cpu(payload->first_overflow_timestamp); __entry->last_ts = le64_to_cpu(payload->last_overflow_timestamp); ), - TP_printk("memdev=%s: log=%s : %u records from %llu to %llu", - __get_str(memdev), cxl_event_log_type_str(__entry->log), - __entry->count, __entry->first_ts, __entry->last_ts) + TP_printk("memdev=%s host=%s: log=%s : %u records from %llu to %llu", + __get_str(memdev), __get_str(host), + cxl_event_log_type_str(__entry->log), __entry->count, + __entry->first_ts, __entry->last_ts) ); @@ -171,6 +179,7 @@ TRACE_EVENT(cxl_overflow, */ #define CXL_EVT_TP_entry \ __string(memdev, dev_name(&cxlmd->dev)) \ + __string(host, dev_name(cxlmd->dev.parent)) \ __field(int, log) \ __field_struct(uuid_t, hdr_uuid) \ __field(u32, hdr_flags) \ @@ -182,6 +191,7 @@ TRACE_EVENT(cxl_overflow, #define CXL_EVT_TP_fast_assign(cxlmd, l, hdr) \ __assign_str(memdev, dev_name(&cxlmd->dev)); \ + __assign_str(host, dev_name(cxlmd->dev.parent)); \ __entry->log = (l); \ memcpy(&__entry->hdr_uuid, &(hdr).id, sizeof(uuid_t)); \ __entry->hdr_length = (hdr).length; \ @@ -192,10 +202,11 @@ TRACE_EVENT(cxl_overflow, __entry->hdr_maint_op_class = (hdr).maint_op_class #define CXL_EVT_TP_printk(fmt, ...) \ - TP_printk("memdev=%s log=%s : time=%llu uuid=%pUb len=%d flags='%s' " \ - "handle=%x related_handle=%x maint_op_class=%u" \ + TP_printk("memdev=%s host=%s log=%s : time=%llu uuid=%pUb len=%d " \ + "flags='%s' handle=%x related_handle=%x maint_op_class=%u" \ " : " fmt, \ - __get_str(memdev), cxl_event_log_type_str(__entry->log), \ + __get_str(memdev), __get_str(host), \ + cxl_event_log_type_str(__entry->log), \ __entry->hdr_timestamp, &__entry->hdr_uuid, __entry->hdr_length,\ show_hdr_flags(__entry->hdr_flags), __entry->hdr_handle, \ __entry->hdr_related_handle, __entry->hdr_maint_op_class, \