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SubjectRe: Hardware Error Kernel Mini-Summit

* Tony Luck <tony.luck@intel.com> wrote:

> > 3) Another new perf feature of interest is 'perf
> > inject' (this too went upstream today): to inject
> > artificial events into the stream of events. This
> > mechanism could be used to simulate rare error
> > conditions and to test out policy reactions
> > systematically - an important part of system error
> > recovery testing.
>
> Simulated errors are handy for testing the very top
> level of the s/w stack. But real errors are better.
> There's some APEI code in Len's tree that can inject
> real errors (on systems with the right BIOS hooks
> enabled).

Agreed, hardware assisted error injection is by far the
best and most complete solution.

Thanks,

Ingo


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