Re: Patch for expanded text API in usbmon

On Fri, 9 Feb 2007, Pete Zaitcev wrote:

> I decided not to cram the ISO descriptors into the old line format,
> primarily because my parser would still choke on ISO no matter what.
> I added a new format '0u' in addition to the old one '0t'. So we have
> a bit of a bloat, all structures grew somewhat, output lines grew too...
> Numbers do not seem too threatening though. Aside to what was requested,
> e.g. various ISO thingies like start_frame, I added a bus number,
> which allows to implement "bus zero", capturing all traffic across
> all buses (mostly for new buses appearing when we modprobe ehci-hcd).

That could be useful.  We currently have no way to capture the events when 
a new bus first starts up.

> If anyone has any comments about the bloat or missing features,
> I'd like to hear it. Alan, does this capture what you wanted for ISO?
> Statistics is for the next time.

It looks very good at first glance.  I'll try it out next week.

> BTW, can anyone tell me why in the world status is unsigned in ISO
> frame descriptors? I print it as a signed int on the assumption that
> it's an error and may be changed in the future.

Clearly the declaration is wrong; the status field should be signed.  
Please feel free to fix it.

Alan Stern


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