linux-kernel - [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error trace event

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Date:	Thu,  8 Aug 2013 23:57:51 +0530
From:	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
To:	tony.luck@...el.com, bp@...en8.de, bhelgaas@...gle.com,
	rostedt@...dmis.org, rjw@...k.pl, lance.ortiz@...com,
	m.chehab@...sung.com
Cc:	linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Subject: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error trace event

Enable memory error trace event in cper.c

Signed-off-by: Naveen N. Rao <naveen.n.rao@...ux.vnet.ibm.com>
---
 drivers/acpi/apei/cper.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
index 33dc6a0..19a9c0b 100644
--- a/drivers/acpi/apei/cper.c
+++ b/drivers/acpi/apei/cper.c
@@ -32,6 +32,10 @@
 #include <linux/pci.h>
 #include <linux/aer.h>
 
+#define CREATE_TRACE_POINTS
+#define TRACE_EVENT_GHES
+#include <trace/events/ras.h>
+
 /*
  * CPER record ID need to be unique even after reboot, because record
  * ID is used as index for ERST storage, while CPER records from
@@ -193,8 +197,13 @@ static const char *cper_mem_err_type_strs[] = {
 	"scrub uncorrected error",
 };
 
-static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem)
+static void cper_print_mem(const char *pfx,
+		const struct acpi_hest_generic_status *estatus,
+		const struct acpi_hest_generic_data *gdata,
+		const struct cper_sec_mem_err *mem)
 {
+	trace_ghes_platform_memory_event(estatus, gdata, mem);
+
 	if (mem->validation_bits & CPER_MEM_VALID_ERROR_STATUS)
 		printk("%s""error_status: 0x%016llx\n", pfx, mem->error_status);
 	if (mem->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS)
@@ -292,8 +301,10 @@ static const char *apei_estatus_section_flag_strs[] = {
 	"latent error",
 };
 
-static void apei_estatus_print_section(
-	const char *pfx, const struct acpi_hest_generic_data *gdata, int sec_no)
+static void apei_estatus_print_section(const char *pfx,
+		const struct acpi_hest_generic_status *estatus,
+		const struct acpi_hest_generic_data *gdata,
+		int sec_no)
 {
 	uuid_le *sec_type = (uuid_le *)gdata->section_type;
 	__u16 severity;
@@ -320,7 +331,7 @@ static void apei_estatus_print_section(
 		struct cper_sec_mem_err *mem_err = (void *)(gdata + 1);
 		printk("%s""section_type: memory error\n", pfx);
 		if (gdata->error_data_length >= sizeof(*mem_err))
-			cper_print_mem(pfx, mem_err);
+			cper_print_mem(pfx, estatus, gdata, mem_err);
 		else
 			goto err_section_too_small;
 	} else if (!uuid_le_cmp(*sec_type, CPER_SEC_PCIE)) {
@@ -355,7 +366,7 @@ void apei_estatus_print(const char *pfx,
 	gdata = (struct acpi_hest_generic_data *)(estatus + 1);
 	while (data_len > sizeof(*gdata)) {
 		gedata_len = gdata->error_data_length;
-		apei_estatus_print_section(pfx, gdata, sec_no);
+		apei_estatus_print_section(pfx, estatus, gdata, sec_no);
 		data_len -= gedata_len + sizeof(*gdata);
 		gdata = (void *)(gdata + 1) + gedata_len;
 		sec_no++;
-- 
1.8.3.4

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