ras_event.h 9.22 KB
Newer Older
1 2 3 4 5 6 7 8 9 10
#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>
11
#include <linux/pci.h>
12
#include <linux/aer.h>
13
#include <linux/cper.h>
14
#include <linux/mm.h>
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77

/*
 * 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
78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147

/*
 * 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,
148
		  mc_event_error_type(__entry->error_type),
149 150 151 152 153 154 155 156 157 158 159 160 161 162 163
		  __entry->error_count > 1 ? "s" : "",
		  ((char *)__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,
		  ((char *)__get_str(driver_detail))[0] ? " " : "",
		  __get_str(driver_detail))
);

164 165 166 167 168 169 170 171 172 173 174 175 176 177
/*
 * 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
 */

178 179 180 181 182 183 184 185 186 187 188
#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				\
189
	{PCI_ERR_UNC_UND,	"Undefined"},			\
190 191
	{PCI_ERR_UNC_DLP,	"Data Link Protocol Error"},	\
	{PCI_ERR_UNC_SURPDN,	"Surprise Down Error"},		\
192
	{PCI_ERR_UNC_POISON_TLP,"Poisoned TLP"},		\
193
	{PCI_ERR_UNC_FCP,	"Flow Control Protocol Error"},	\
194 195 196 197 198
	{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"},		\
199 200 201 202 203 204 205
	{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"}
206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235

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))
);

236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319
/*
 * 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 */
320 321 322 323
#endif /* _TRACE_HW_EVENT_MC_H */

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