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Re: [Discuss-gnuradio] Making a transparent block for throughput measure
From: |
Martin Braun (CEL) |
Subject: |
Re: [Discuss-gnuradio] Making a transparent block for throughput measurement |
Date: |
Wed, 12 Dec 2012 08:54:55 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Tue, Dec 11, 2012 at 07:00:42PM -0500, Tommy Tracy II wrote:
> I'm trying to measure the throughput of my flow graph. In order to accomplish
> this, I'm creating a transparent float block and then measuring the
> btyes/second that is going through the block. Unfortunately, my block is not
> acting transparently. I'm getting strange distortion when doing AM
> demodulation.
Try without self.consume(); grextras using auto_consuming in sync
blocks, although I don't know what happens if you do call it (my
hypothesis is that if I'm right, your audio should sound choppy).
MB
PS: Or is this the omninous Bugsquatch people have been talking about?
>
> Below is my grextras code:
> Is there something that I am missing?
>
> ----------
> class emptyBlock(gr.block):
> def __init__(self, args):
> gr.block.__init__(self, name="empty", in_sig=[float32],
> out_sig=[float32])
>
> def work(self, input_items, output_items):
> in0 = input_items[0]
> out = output_items[0]
> out[:]=in0
> self.consume(0, len(in0))
> return len(out)
> ----------
>
> Sincerely,
> Tom Tracy II
> UVA
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
--
Karlsruhe Institute of Technology (KIT)
Communications Engineering Lab (CEL)
Dipl.-Ing. Martin Braun
Research Associate
Kaiserstraße 12
Building 05.01
76131 Karlsruhe
Phone: +49 721 608-43790
Fax: +49 721 608-46071
www.cel.kit.edu
KIT -- University of the State of Baden-Württemberg and
National Laboratory of the Helmholtz Association
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