Em Tue, 04 Dec 2012 10:04:30 -0700 Lance Ortiz <[email protected]> escreveu:
> This header file will define a new trace event that will be triggered when > a AER event occurs. The following data will be provided to the trace > event. > > 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 see. > > u8 severity - error severity 0:NONFATAL 1:FATAL 2:CORRECTED > > The trace event will also provide a trace string that may look like: > > "0000:05:00.0 PCIe Bus Error:severity=Uncorrected (Non-Fatal), Poisoned > TLP" > > v1-v2 Move header from include/ras/aer_event.h to > include/trace/events/ras.h > v3-v4 Cleaned up comments and commit header > v4-v5 More cleanup remove () from if statement in print. > Renamed string define to be more specific. > v5-v6 change TRACE_SYSTEM define to be ras and not aer. > Signed-off-by: Lance Ortiz <[email protected]> > --- > > 0 files changed, 0 insertions(+), 0 deletions(-) > > diff --git a/include/trace/events/ras.h b/include/trace/events/ras.h > new file mode 100644 > index 0000000..88b8783 > --- /dev/null > +++ b/include/trace/events/ras.h > @@ -0,0 +1,77 @@ > +#undef TRACE_SYSTEM > +#define TRACE_SYSTEM ras > + > +#if !defined(_TRACE_AER_H) || defined(TRACE_HEADER_MULTI_READ) > +#define _TRACE_AER_H > + > +#include <linux/tracepoint.h> > +#include <linux/edac.h> > + > + > +/* > + * 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 \ > + {BIT(0), "Receiver Error"}, \ > + {BIT(6), "Bad TLP"}, \ > + {BIT(7), "Bad DLLP"}, \ > + {BIT(8), "RELAY_NUM Rollover"}, \ > + {BIT(12), "Replay Timer Timeout"}, \ > + {BIT(13), "Advisory Non-Fatal"} > + > +#define aer_uncorrectable_errors \ > + {BIT(4), "Data Link Protocol"}, \ > + {BIT(12), "Poisoned TLP"}, \ > + {BIT(13), "Flow Control Protocol"}, \ > + {BIT(14), "Completion Timeout"}, \ > + {BIT(15), "Completer Abort"}, \ > + {BIT(16), "Unexpected Completion"}, \ > + {BIT(17), "Receiver Overflow"}, \ > + {BIT(18), "Malformed TLP"}, \ > + {BIT(19), "ECRC"}, \ > + {BIT(20), "Unsupported Request"} > + > +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 == HW_EVENT_ERR_CORRECTED ? "Corrected" : > + __entry->severity == HW_EVENT_ERR_FATAL ? > + "Fatal" : "Uncorrected", > + __entry->severity == HW_EVENT_ERR_CORRECTED ? > + __print_flags(__entry->status, "|", aer_correctable_errors) : > + __print_flags(__entry->status, "|", aer_uncorrectable_errors)) > +); > + > +#endif /* _TRACE_AER_H */ > + > +/* This part must be outside protection */ > +#include <trace/define_trace.h> > Provided that a latter patch adds the missing bits and joins the strings used both here and at aer, as proposed by Boris: Acked-by: Mauro Carvalho Chehab <[email protected]> -- Cheers, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
