Re: kmemtrace.txt question: kernel parameter(s)?

[Li Zefan]

Randy Dunlap wrote:
> Hi,
> 
> Documentation/trace/kmemtrace.txt says:
> 
> Q: 'cat /sys/kernel/debug/kmemtrace/total_overruns' is non-zero, how do I fix
> this? Should I worry?
> A: If it's non-zero, this affects kmemtrace's accuracy, depending on how
> large the number is. You can fix it by supplying a higher
> 'kmemtrace.subbufs=N' kernel parameter.
> 
> 
> Where is this kernel parameter implemented and where is it documented?
> or should this Answer just be fixed?
> 

The whole documentation is out-dated. The original kmemtrace was based on
relay, and then it moved to ftrace, without updating the documentation.
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