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Re: [PATCH v4 22/22] qapi: introduce x-query-opcount QMP command


From: Daniel P . Berrangé
Subject: Re: [PATCH v4 22/22] qapi: introduce x-query-opcount QMP command
Date: Mon, 1 Nov 2021 15:58:38 +0000
User-agent: Mutt/2.0.7 (2021-05-04)

On Thu, Oct 28, 2021 at 07:08:13PM +0200, Philippe Mathieu-Daudé wrote:
> On 10/28/21 17:54, Daniel P. Berrangé wrote:
> > This is a counterpart to the HMP "info opcount" command. It is being
> > added with an "x-" prefix because this QMP command is intended as an
> > ad hoc debugging tool and will thus not be modelled in QAPI as fully
> > structured data, nor will it have long term guaranteed stability.
> > The existing HMP command is rewritten to call the QMP command.
> > 
> > Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> > ---
> >  accel/tcg/cpu-exec.c       | 14 ++++++++++++++
> >  accel/tcg/hmp.c            |  7 +------
> >  accel/tcg/translate-all.c  |  4 ++--
> >  include/exec/cpu-all.h     |  2 +-
> >  include/tcg/tcg.h          |  2 +-
> >  qapi/machine.json          | 13 +++++++++++++
> >  tcg/tcg.c                  | 10 +++++-----
> >  tests/qtest/qmp-cmd-test.c |  1 +
> >  8 files changed, 38 insertions(+), 15 deletions(-)
> > 
> > diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
> > index 4212645cb6..7a7e813207 100644
> > --- a/accel/tcg/cpu-exec.c
> > +++ b/accel/tcg/cpu-exec.c
> > @@ -1066,4 +1066,18 @@ HumanReadableText *qmp_x_query_jit(Error **errp)
> >      return human_readable_text_from_str(buf);
> >  }
> >  
> > +HumanReadableText *qmp_x_query_opcount(Error **errp)
> > +{
> > +    g_autoptr(GString) buf = g_string_new("");
> > +
> > +    if (!tcg_enabled()) {
> > +        error_setg(errp, "JIT information is only available with 
> > accel=tcg");
> 
> s/JIT/Opcode count/ ? Otherwise,

Opps, yes.

> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Regards,
Daniel
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