On 2018-05-09 08:38 AM, Steven Rostedt wrote:
On Tue, 8 May 2018 19:04:56 -0400 Thomas Tai <[email protected]> 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 <[email protected]> ---Reviewed-by: Steven Rostedt (VMware) <[email protected]>
Thank you very much Steven. -Thomas
-- Steve
