Revision 2456e855354415bfaeb7badaa14e11b3e02c8466 authored by Thomas Gleixner on 25 December 2016, 10:38:40 UTC, committed by Thomas Gleixner on 25 December 2016, 16:21:22 UTC
ktime is a union because the initial implementation stored the time in
scalar nanoseconds on 64 bit machine and in a endianess optimized timespec
variant for 32bit machines. The Y2038 cleanup removed the timespec variant
and switched everything to scalar nanoseconds. The union remained, but
become completely pointless.

Get rid of the union and just keep ktime_t as simple typedef of type s64.

The conversion was done with coccinelle and some manual mopping up.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
1 parent a5a1d1c
Raw File
ras_event.h
#undef TRACE_SYSTEM
#define TRACE_SYSTEM ras
#define TRACE_INCLUDE_FILE ras_event

#if !defined(_TRACE_HW_EVENT_MC_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HW_EVENT_MC_H

#include <linux/tracepoint.h>
#include <linux/edac.h>
#include <linux/ktime.h>
#include <linux/pci.h>
#include <linux/aer.h>
#include <linux/cper.h>
#include <linux/mm.h>

/*
 * MCE Extended Error Log trace event
 *
 * These events are generated when hardware detects a corrected or
 * uncorrected event.
 */

/* memory trace event */

#if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)
TRACE_EVENT(extlog_mem_event,
	TP_PROTO(struct cper_sec_mem_err *mem,
		 u32 err_seq,
		 const uuid_le *fru_id,
		 const char *fru_text,
		 u8 sev),

	TP_ARGS(mem, err_seq, fru_id, fru_text, sev),

	TP_STRUCT__entry(
		__field(u32, err_seq)
		__field(u8, etype)
		__field(u8, sev)
		__field(u64, pa)
		__field(u8, pa_mask_lsb)
		__field_struct(uuid_le, fru_id)
		__string(fru_text, fru_text)
		__field_struct(struct cper_mem_err_compact, data)
	),

	TP_fast_assign(
		__entry->err_seq = err_seq;
		if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE)
			__entry->etype = mem->error_type;
		else
			__entry->etype = ~0;
		__entry->sev = sev;
		if (mem->validation_bits & CPER_MEM_VALID_PA)
			__entry->pa = mem->physical_addr;
		else
			__entry->pa = ~0ull;

		if (mem->validation_bits & CPER_MEM_VALID_PA_MASK)
			__entry->pa_mask_lsb = (u8)__ffs64(mem->physical_addr_mask);
		else
			__entry->pa_mask_lsb = ~0;
		__entry->fru_id = *fru_id;
		__assign_str(fru_text, fru_text);
		cper_mem_err_pack(mem, &__entry->data);
	),

	TP_printk("{%d} %s error: %s physical addr: %016llx (mask lsb: %x) %sFRU: %pUl %.20s",
		  __entry->err_seq,
		  cper_severity_str(__entry->sev),
		  cper_mem_err_type_str(__entry->etype),
		  __entry->pa,
		  __entry->pa_mask_lsb,
		  cper_mem_err_unpack(p, &__entry->data),
		  &__entry->fru_id,
		  __get_str(fru_text))
);
#endif

/*
 * Hardware Events Report
 *
 * Those events are generated when hardware detected a corrected or
 * uncorrected event, and are meant to replace the current API to report
 * errors defined on both EDAC and MCE subsystems.
 *
 * FIXME: Add events for handling memory errors originated from the
 *        MCE subsystem.
 */

/*
 * Hardware-independent Memory Controller specific events
 */

/*
 * Default error mechanisms for Memory Controller errors (CE and UE)
 */
TRACE_EVENT(mc_event,

	TP_PROTO(const unsigned int err_type,
		 const char *error_msg,
		 const char *label,
		 const int error_count,
		 const u8 mc_index,
		 const s8 top_layer,
		 const s8 mid_layer,
		 const s8 low_layer,
		 unsigned long address,
		 const u8 grain_bits,
		 unsigned long syndrome,
		 const char *driver_detail),

	TP_ARGS(err_type, error_msg, label, error_count, mc_index,
		top_layer, mid_layer, low_layer, address, grain_bits,
		syndrome, driver_detail),

	TP_STRUCT__entry(
		__field(	unsigned int,	error_type		)
		__string(	msg,		error_msg		)
		__string(	label,		label			)
		__field(	u16,		error_count		)
		__field(	u8,		mc_index		)
		__field(	s8,		top_layer		)
		__field(	s8,		middle_layer		)
		__field(	s8,		lower_layer		)
		__field(	long,		address			)
		__field(	u8,		grain_bits		)
		__field(	long,		syndrome		)
		__string(	driver_detail,	driver_detail		)
	),

	TP_fast_assign(
		__entry->error_type		= err_type;
		__assign_str(msg, error_msg);
		__assign_str(label, label);
		__entry->error_count		= error_count;
		__entry->mc_index		= mc_index;
		__entry->top_layer		= top_layer;
		__entry->middle_layer		= mid_layer;
		__entry->lower_layer		= low_layer;
		__entry->address		= address;
		__entry->grain_bits		= grain_bits;
		__entry->syndrome		= syndrome;
		__assign_str(driver_detail, driver_detail);
	),

	TP_printk("%d %s error%s:%s%s on %s (mc:%d location:%d:%d:%d address:0x%08lx grain:%d syndrome:0x%08lx%s%s)",
		  __entry->error_count,
		  mc_event_error_type(__entry->error_type),
		  __entry->error_count > 1 ? "s" : "",
		  __get_str(msg)[0] ? " " : "",
		  __get_str(msg),
		  __get_str(label),
		  __entry->mc_index,
		  __entry->top_layer,
		  __entry->middle_layer,
		  __entry->lower_layer,
		  __entry->address,
		  1 << __entry->grain_bits,
		  __entry->syndrome,
		  __get_str(driver_detail)[0] ? " " : "",
		  __get_str(driver_detail))
);

/*
 * PCIe AER Trace event
 *
 * These events are generated when hardware detects a corrected or
 * uncorrected event on a PCIe device. The event report has
 * the following structure:
 *
 * char * dev_name -	The name of the slot where the device resides
 *			([domain:]bus:device.function).
 * u32 status -		Either the correctable or uncorrectable register
 *			indicating what error or errors have been seen
 * u8 severity -	error severity 0:NONFATAL 1:FATAL 2:CORRECTED
 */

#define aer_correctable_errors					\
	{PCI_ERR_COR_RCVR,	"Receiver Error"},		\
	{PCI_ERR_COR_BAD_TLP,	"Bad TLP"},			\
	{PCI_ERR_COR_BAD_DLLP,	"Bad DLLP"},			\
	{PCI_ERR_COR_REP_ROLL,	"RELAY_NUM Rollover"},		\
	{PCI_ERR_COR_REP_TIMER,	"Replay Timer Timeout"},	\
	{PCI_ERR_COR_ADV_NFAT,	"Advisory Non-Fatal Error"},	\
	{PCI_ERR_COR_INTERNAL,	"Corrected Internal Error"},	\
	{PCI_ERR_COR_LOG_OVER,	"Header Log Overflow"}

#define aer_uncorrectable_errors				\
	{PCI_ERR_UNC_UND,	"Undefined"},			\
	{PCI_ERR_UNC_DLP,	"Data Link Protocol Error"},	\
	{PCI_ERR_UNC_SURPDN,	"Surprise Down Error"},		\
	{PCI_ERR_UNC_POISON_TLP,"Poisoned TLP"},		\
	{PCI_ERR_UNC_FCP,	"Flow Control Protocol Error"},	\
	{PCI_ERR_UNC_COMP_TIME,	"Completion Timeout"},		\
	{PCI_ERR_UNC_COMP_ABORT,"Completer Abort"},		\
	{PCI_ERR_UNC_UNX_COMP,	"Unexpected Completion"},	\
	{PCI_ERR_UNC_RX_OVER,	"Receiver Overflow"},		\
	{PCI_ERR_UNC_MALF_TLP,	"Malformed TLP"},		\
	{PCI_ERR_UNC_ECRC,	"ECRC Error"},			\
	{PCI_ERR_UNC_UNSUP,	"Unsupported Request Error"},	\
	{PCI_ERR_UNC_ACSV,	"ACS Violation"},		\
	{PCI_ERR_UNC_INTN,	"Uncorrectable Internal Error"},\
	{PCI_ERR_UNC_MCBTLP,	"MC Blocked TLP"},		\
	{PCI_ERR_UNC_ATOMEG,	"AtomicOp Egress Blocked"},	\
	{PCI_ERR_UNC_TLPPRE,	"TLP Prefix Blocked Error"}

TRACE_EVENT(aer_event,
	TP_PROTO(const char *dev_name,
		 const u32 status,
		 const u8 severity),

	TP_ARGS(dev_name, status, severity),

	TP_STRUCT__entry(
		__string(	dev_name,	dev_name	)
		__field(	u32,		status		)
		__field(	u8,		severity	)
	),

	TP_fast_assign(
		__assign_str(dev_name, dev_name);
		__entry->status		= status;
		__entry->severity	= severity;
	),

	TP_printk("%s PCIe Bus Error: severity=%s, %s\n",
		__get_str(dev_name),
		__entry->severity == AER_CORRECTABLE ? "Corrected" :
			__entry->severity == AER_FATAL ?
			"Fatal" : "Uncorrected, non-fatal",
		__entry->severity == AER_CORRECTABLE ?
		__print_flags(__entry->status, "|", aer_correctable_errors) :
		__print_flags(__entry->status, "|", aer_uncorrectable_errors))
);

/*
 * memory-failure recovery action result event
 *
 * unsigned long pfn -	Page Frame Number of the corrupted page
 * int type	-	Page types of the corrupted page
 * int result	-	Result of recovery action
 */

#ifdef CONFIG_MEMORY_FAILURE
#define MF_ACTION_RESULT	\
	EM ( MF_IGNORED, "Ignored" )	\
	EM ( MF_FAILED,  "Failed" )	\
	EM ( MF_DELAYED, "Delayed" )	\
	EMe ( MF_RECOVERED, "Recovered" )

#define MF_PAGE_TYPE		\
	EM ( MF_MSG_KERNEL, "reserved kernel page" )			\
	EM ( MF_MSG_KERNEL_HIGH_ORDER, "high-order kernel page" )	\
	EM ( MF_MSG_SLAB, "kernel slab page" )				\
	EM ( MF_MSG_DIFFERENT_COMPOUND, "different compound page after locking" ) \
	EM ( MF_MSG_POISONED_HUGE, "huge page already hardware poisoned" )	\
	EM ( MF_MSG_HUGE, "huge page" )					\
	EM ( MF_MSG_FREE_HUGE, "free huge page" )			\
	EM ( MF_MSG_UNMAP_FAILED, "unmapping failed page" )		\
	EM ( MF_MSG_DIRTY_SWAPCACHE, "dirty swapcache page" )		\
	EM ( MF_MSG_CLEAN_SWAPCACHE, "clean swapcache page" )		\
	EM ( MF_MSG_DIRTY_MLOCKED_LRU, "dirty mlocked LRU page" )	\
	EM ( MF_MSG_CLEAN_MLOCKED_LRU, "clean mlocked LRU page" )	\
	EM ( MF_MSG_DIRTY_UNEVICTABLE_LRU, "dirty unevictable LRU page" )	\
	EM ( MF_MSG_CLEAN_UNEVICTABLE_LRU, "clean unevictable LRU page" )	\
	EM ( MF_MSG_DIRTY_LRU, "dirty LRU page" )			\
	EM ( MF_MSG_CLEAN_LRU, "clean LRU page" )			\
	EM ( MF_MSG_TRUNCATED_LRU, "already truncated LRU page" )	\
	EM ( MF_MSG_BUDDY, "free buddy page" )				\
	EM ( MF_MSG_BUDDY_2ND, "free buddy page (2nd try)" )		\
	EMe ( MF_MSG_UNKNOWN, "unknown page" )

/*
 * First define the enums in MM_ACTION_RESULT to be exported to userspace
 * via TRACE_DEFINE_ENUM().
 */
#undef EM
#undef EMe
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define EMe(a, b)	TRACE_DEFINE_ENUM(a);

MF_ACTION_RESULT
MF_PAGE_TYPE

/*
 * Now redefine the EM() and EMe() macros to map the enums to the strings
 * that will be printed in the output.
 */
#undef EM
#undef EMe
#define EM(a, b)		{ a, b },
#define EMe(a, b)	{ a, b }

TRACE_EVENT(memory_failure_event,
	TP_PROTO(unsigned long pfn,
		 int type,
		 int result),

	TP_ARGS(pfn, type, result),

	TP_STRUCT__entry(
		__field(unsigned long, pfn)
		__field(int, type)
		__field(int, result)
	),

	TP_fast_assign(
		__entry->pfn	= pfn;
		__entry->type	= type;
		__entry->result	= result;
	),

	TP_printk("pfn %#lx: recovery action for %s: %s",
		__entry->pfn,
		__print_symbolic(__entry->type, MF_PAGE_TYPE),
		__print_symbolic(__entry->result, MF_ACTION_RESULT)
	)
);
#endif /* CONFIG_MEMORY_FAILURE */
#endif /* _TRACE_HW_EVENT_MC_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
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