Re: [PATCH 12/19] target/ppc/pmu_book3s_helper.c: enable PMC1 counter negative EBB

[Richard Henderson]

On 8/11/21 5:39 PM, David Gibson wrote:
> > I mean, nothing is stopping us from calculating cycles using time, but in the
> > end we would do the same thing we're already doing today.
>
> Oh.. ok.  I had assumed that icount worked by instrumenting the
> generate TCG code to actually count instructions, rather than working
> off the time.

David, you're right, icount instruments the generated tcg code.
You also have to add -icount to the command-line.


r~