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Date: Wed, 13 Jun 2018 04:44:56 -0400
From: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
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Subject: Re: [Qemu-devel] [PATCH] tracing.txt: add missing '-' for trace
 option
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To: "Emilio G. Cota" <cota@braap.org>
Cc: mjt@tls.msk.ru, laurent@vivier.eu, qemu-trivial@nongnu.org, qemu-devel@nongnu.org, stefanha@redhat.com

On Tue, Jun 12, 2018 at 11:50:30PM -0400, Emilio G. Cota wrote:
> On Tue, Jun 12, 2018 at 23:15:49 -0400, Yaowei Bai wrote:
> > Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
> > ---
> >  docs/devel/tracing.txt | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/docs/devel/tracing.txt b/docs/devel/tracing.txt
> > index 07abbb3..6ab32cc 100644
> > --- a/docs/devel/tracing.txt
> > +++ b/docs/devel/tracing.txt
> > @@ -18,7 +18,7 @@ for debugging, profiling, and observing execution.
> >  
> >  3. Run the virtual machine to produce a trace file:
> >  
> > -    qemu -trace events=/tmp/events ... # your normal QEMU invocation
> > +    qemu --trace events=/tmp/events ... # your normal QEMU invocation
> 
> The second dash is not missing; both '-args' and '--args' work.
> 
> '-args' seems to be favoured though; see `qemu -h' or `qemu --h' :-)

Oh, you're right. I just checked qemu-nbd/io utilities. Forget about
this change. Thanks. :-)

> 
> 		Emilio