Re: [PATCH v4 1/3] aerdrv: Trace Event for AER

[Joe Perches]

On Mon, 2012-12-03 at 11:33 -0700, Lance Ortiz wrote:
> 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.

trivial notes:

> diff --git a/include/trace/events/ras.h b/include/trace/events/ras.h
[]
> +#define correctable_error_string			\
> +	{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 uncorrectable_error_string			\
> +	{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"}

probably better to prefix these with aer_

> +	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"),

unnecessary parentheses

		__entry->severity == HW_EVENT_ERR_CORRECTED ? "Corrected" :
		__entry->severity == HW_EVENT_ERR_FATAL ? "Fatal" :
		"Uncorrected"),

might be more kernel style conventional

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