Re: [PULL 10/11] trace: document how to specify multiple --trace patterns

[BALATON Zoltan]

On Mon, 1 Feb 2021, Paolo Bonzini wrote:
> On 01/02/21 17:54, Kevin Wolf wrote:
> > > How does this option parsing work? Would then multiple patterns separated 
> > > by
> > > comma as in -trace pattern1,pattern2 also work?
> > This would be interpreted as an implied "enable" option with a value of
> > "pattern1,pattern2". I don't think anything splits that string at the
> > comma, so it would look for a trace event matching that string.
>
> Even worse, it would be interpreted as "-trace enable=pattern1,pattern2=on" 
> (and raise a warning since recently).

Not very intuitive... What would -trace enable=pattern1,enable=pattern2 do 
then?