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SubjectRe: VM tuning through fault trace gathering [with actual code]


On 26 Jun 2001, John Fremlin wrote:

> Marcelo Tosatti <marcelo@conectiva.com.br> writes:
>
> > ####################################################################
> > Event Time PID Length Description
> > ####################################################################
> >
> > Trap entry 991,299,585,597,016 678 12 TRAP: page fault; EIP : 0x40067785
>
> That looks like just the generic interrupt handling. It does not do
> what I want to do, i.e. record some more info about the fault saying
> where it comes from.

You can create custom events with LTT and then you can get them from a
"big buffer" to userlevel later, then.

I just told you about LTT because I think you are redoing work by creating
the tracing facilities...

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