Messages in this thread | | | Subject | Re: [PATCH V3 1/1] PCI/AER: add pcie TLP header information in the tracepoint | From | Thomas Tai <> | Date | Wed, 9 May 2018 10:12:42 -0400 |
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On 2018-05-09 08:38 AM, Steven Rostedt wrote: > On Tue, 8 May 2018 19:04:56 -0400 > Thomas Tai <thomas.tai@oracle.com> 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@oracle.com> >> --- > > Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Thank you very much Steven.
-Thomas
> > -- Steve >
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