Re: [PATCH V3 1/1] PCI/AER: add pcie TLP header information in the tracepoint

[Thomas Tai]

On 2018-05-09 08:38 AM, Steven Rostedt wrote:
> 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>

Thank you very much Steven.

-Thomas

> -- Steve