On Tue, 8 May 2018 19:04:56 -0400
Thomas Tai <thomas.tai@xxxxxxxxxx> wrote:
> When a PCIe AER occurs, the TLP header information is
> printed in the kernel message but it is missing from
> the tracepoint. A userspace program can use this information
> in the tracepoint to better analyze problems.
>
> To enable the tracepoint:
> echo 1 > /sys/kernel/debug/tracing/events/ras/aer_event/enable
>
> Example tracepoint output:
> cat /sys/kernel/debug/tracing/trace
> aer_event: 0000:01:00.0
> PCIe Bus Error: severity=Uncorrected, non-fatal, Completer Abort
> TLP Header={0x0,0x1,0x2,0x3}
>
> Signed-off-by: Thomas Tai <thomas.tai@xxxxxxxxxx>
> ---
Reviewed-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
-- Steve
