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Re: [Discuss-gnuradio] Profiling GNU Radio flow graphs

From: Qing Yang
Subject: Re: [Discuss-gnuradio] Profiling GNU Radio flow graphs
Date: Fri, 24 Aug 2012 14:28:14 +0800

Hi Felix,

Currently I also need to profile and optimize my system. Now I just add some some sentences to print the processing time of each block, but this is definitely not a good method. Could you describe your profiling method in more details, perhaps your results can be a reference for me.

Hi Tim,

Have you tried this Kcachegrind on GNU Radio flow graphs? Does it works well? I want to see the profile of each gr module (in python).

Yang, Qing
Information Engineering, CUHK

2012/8/24 <address@hidden>
Hi all,

I am currently trying to optimize the performance of my DRM transmitter
and for this purpose I want to profile my flow graphs.

After some googling and searching the archives I stumbled upon oprofile
which looks quite nice to me. However, a first try did not really provide
very significant results. But that could also be due to misconfiguration,
I did not read the manual very carefully...

Just wanted to know if there are other/better solutions for profiling you
would recommend. Any comments are appreciated!

Best regards,

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