Re: [PATCH spice-gtk v2] channel-display-gst: Use recorder for frame statistics

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> 
> Hi
> 
> On Wed, Jan 30, 2019 at 4:00 PM Frediano Ziglio <fziglio@xxxxxxxxxx> wrote:
> >
> > Allows to handle these statistics in a more flexible way.
> >
> > Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> > ---
> >  src/channel-display-gst.c | 12 ++++++++----
> >  1 file changed, 8 insertions(+), 4 deletions(-)
> >
> > Changes since v1:
> > - change formatting constants to system one instead of GLib
> >   to fix build on Windows.
> >
> > diff --git a/src/channel-display-gst.c b/src/channel-display-gst.c
> > index 4272ade8..5bb53b6f 100644
> > --- a/src/channel-display-gst.c
> > +++ b/src/channel-display-gst.c
> > @@ -20,6 +20,7 @@
> >  #include "spice-client.h"
> >  #include "spice-common.h"
> >  #include "spice-channel-priv.h"
> > +#include "common/recorder.h"
> >
> >  #include "channel-display-priv.h"
> >
> > @@ -109,6 +110,8 @@ static void schedule_frame(SpiceGstDecoder *decoder);
> >  static void fetch_pending_sample(SpiceGstDecoder *decoder);
> >  static SpiceGstFrame *get_decoded_frame(SpiceGstDecoder *decoder,
> >  GstBuffer *buffer);
> >
> > +RECORDER(frames_stats, 64, "Frames statistics");
> > +
> 
> What is this 64 value for?
> 

It's the ring size.

> >  static int spice_gst_buffer_get_stride(GstBuffer *buffer)
> >  {
> >      GstVideoMeta *video = gst_buffer_get_video_meta(buffer);
> > @@ -248,10 +251,11 @@ static SpiceGstFrame
> > *get_decoded_frame(SpiceGstDecoder *decoder, GstBuffer *buf
> >
> >          const SpiceFrame *frame = gstframe->encoded_frame;
> >          int64_t duration = g_get_monotonic_time() - frame->creation_time;
> > -        SPICE_DEBUG("frame mm_time %u size %u creation time %"
> > G_GINT64_FORMAT
> > -                    " decoded time %" G_GINT64_FORMAT " queue %u",
> > -                    frame->mm_time, frame->size, frame->creation_time,
> > -                    duration, decoder->decoding_queue->length);
> > +        record(frames_stats,
> > +               "frame mm_time %u size %u creation time %" PRId64
> > +               " decoded time %" PRId64 " queue %u",
> > +               frame->mm_time, frame->size, frame->creation_time,
> > +               duration, decoder->decoding_queue->length);
> 
> Why SPICE_DEBUG log is removed?
> 
> Why is the "recorder" stuff necessary here?
> 

Measurement instrumentation

> >      }
> >      return gstframe;
> >  }

Frediano
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