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Re: [Discuss-gnuradio] End-to-end delay question
From: |
Eric A. Cottrell |
Subject: |
Re: [Discuss-gnuradio] End-to-end delay question |
Date: |
Tue, 22 May 2007 12:09:44 -0400 |
User-agent: |
Thunderbird 1.5.0.8 (X11/20060911) |
Steve Bunch wrote:
> What I noticed eventually by accident was that the beagled background
> process, which is enabled by default in Fedora Core 6, kicks in when the
> console of the Linux box goes idle for a while (screen saver kicks in),
> and wants to consume 100% of CPU time to index my files. The CPU
> scheduling interference with GNURadio, due to the default time-sharing
> scheduling regime both were running under, was causing the audio sinking
> to get behind. Turning off the beagled default startup has made the
> overrun problem disappear. (As would running GNUradio with RT
> scheduling priority, which I'd be doing in production use.)
Hello,
This may explain some weird behavior I saw with USRP input overruns
suddenly occuring several minutes after the start of a GNURadio program.
Thanks.
73 Eric
- Re: [Discuss-gnuradio] End-to-end delay question, (continued)
- Re: [Discuss-gnuradio] End-to-end delay question, Steve Bunch, 2007/05/20
- Re: [Discuss-gnuradio] End-to-end delay question, Eric Blossom, 2007/05/21
- Re: [Discuss-gnuradio] End-to-end delay question, Michael Dickens, 2007/05/21
- Re: [Discuss-gnuradio] End-to-end delay question, Eric Blossom, 2007/05/22
- Re: [Discuss-gnuradio] End-to-end delay question, Michael Dickens, 2007/05/22
- Re: [Discuss-gnuradio] End-to-end delay question, Eric Blossom, 2007/05/22
- Re: [Discuss-gnuradio] End-to-end delay question, Michael Dickens, 2007/05/23
- [Discuss-gnuradio] Reconfigurable OFDM using the USRP - it's possible, here's a video, Keith Nolan, 2007/05/23
- Re: [Discuss-gnuradio] End-to-end delay question, Eric Blossom, 2007/05/23
- Re: [Discuss-gnuradio] End-to-end delay question, Michael Dickens, 2007/05/24
- Re: [Discuss-gnuradio] End-to-end delay question,
Eric A. Cottrell <=
Re: [Discuss-gnuradio] End-to-end delay question, Steve R Bunch, 2007/05/08
Re: [Discuss-gnuradio] End-to-end delay question, Tarun Tiwari, 2007/05/10