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

[Marcelo Tosatti]

On 26 Jun 2001, John Fremlin wrote:

> Marcelo Tosatti <[e-mail]> 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...