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Re: [Discuss-gnuradio] Losing samples in the flowgraph
From: |
Josh Blum |
Subject: |
Re: [Discuss-gnuradio] Losing samples in the flowgraph |
Date: |
Sun, 24 Jul 2011 11:03:52 -0700 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110617 Lightning/1.0b2 Thunderbird/3.1.11 |
On 07/24/2011 04:07 AM, Michael Höin wrote:
> Hi all
>
> I think my program loses samples. If I choose for the input of my
> flowgraph a file source with a throttle (Rate = 2 MSamples) and for the
> output a vector sink, I see in the output vector that samples are loss
> (every run differnet datas were loss). The CPU usage is only 40 Percent.
>
> If I reduce the throttle rate to 30 percent. Less or no samples are
> loss.
>
> Every test of my blocks were successful and if I start the Flowgraph no
> errors occur.
>
This seems very unexpected.
Can you attach a python script that demonstrates the problem?
> I used this command:
> sudo sysctl -w net.core.rmem_max=50000000
>
Are you resizing the udp socket buffer?
-josh