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

From: Marcelo Tosatti (marcelo@conectiva.com.br)
Date: Wed Jun 27 2001 - 05:09:14 EST


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...

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sat Jun 30 2001 - 21:00:16 EST