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

[Steven Rostedt]

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