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Re: [Patch-gnuradio] [PATCH 0/4] usrp: libusb-1.0

From: Thomas Tsou
Subject: Re: [Patch-gnuradio] [PATCH 0/4] usrp: libusb-1.0
Date: Tue, 18 Aug 2009 13:11:51 -0400

On Mon, Aug 17, 2009 at 9:08 PM, Eric Blossom <address@hidden> wrote:

Thanks Thomas!

In the places where you removed the usb_strerror(), is there any way
to get additional information about why the calls failed?

Did you happen to do any cpu utilization comparison between the 0.12
and 1.0 versions?  oprofile?

libusb-1.0 functions return negative error codes rather then errno type reporting. I converted many error statements to reflect this. Still, the usb_strerror() calls were stripped out in a single pass, as there was no 1.0 equivalent; so I'm sure that a few libusb return values remain to be checked.

No utilization comparisons at the moment. This was basically an interesting side project that could be done rather quickly. I'll need to find some time to put oprofile on it. This weekend perhaps?


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