Re: [Qemu-devel] [RFC PATCH v8 20/21] replay: command line options

["Pavel Dovgaluk" <Pavel.Dovgaluk@ispras.ru>]

> From: Paolo Bonzini [mailto:pbonzini@redhat.com]
> On 22/01/2015 09:53, Pavel Dovgalyuk wrote:
> > This patch introduces command line options for enabling recording or replaying
> > virtual machine behavior. "-record" option starts recording of the execution
> > and saves it into the log, specified with "fname" parameter. "-replay" option
> > is intended for replaying previously saved log.
> >
> > Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
> >                  break;
> >              case QEMU_OPTION_snapshot:
> >                  snapshot = 1;
> > @@ -3105,6 +3114,7 @@ int main(int argc, char **argv, char **envp)
> >  #endif
> >              case QEMU_OPTION_bt:
> >                  add_device_config(DEV_BT, optarg);
> > +                not_compatible_replay_param++;
> 
> Could it be enough to add a migration blocker?

Record/replay core does not use migration subsystem.
That is why it should check the hardware by itself.

> 
> >                  break;
> >              case QEMU_OPTION_audio_help:
> >                  AUD_help ();
> > @@ -3244,6 +3254,7 @@ int main(int argc, char **argv, char **envp)
> >                  if (!opts) {
> >                      exit(1);
> >                  }
> > +                not_compatible_replay_param++;
> 
> Why not compatible?

Replay for audio adapter will be added in latter patches.
Trying to record/replay machine with audio using current
set of patches will break the replay.

Pavel Dovgalyuk