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SubjectRe: My vision of usbmon
On Sun, Dec 19, 2004 at 11:04:54PM -0800, Pete Zaitcev wrote:
> Hi, Guys:
>
> This is usbmon which I cooked up because I got tired from adding dbg()'s
> and polluting my dmesg. I use it to hunt bugs in USB storage devices so
> far, and it's useful, although limited at this stage.
>
> I looked at the Harding's USBmon patch, and I think he got a few things right.
> The main of them is that I underestimated the benefits of placing the special
> files into the filesystem namespace. When we discussed it with Greg in the
> airport, we decided that having some sort of Netlink-style socket would be
> the best option. I decided to make a u-turn and attach those sockets into
> the namespace (currently under /dbg, but it can change). What this buys us is:
>
> 1. cat(1): never bet against it. It's too handy. And netcat is just
> not the same.
> 2. USBmon userland in Java. Just try to hack in JNI a little as I have
> and you'll see.

I agree, file interfaces are just too easy and simple to use. Sorry for
sending you down the wrong track with the socket stuff.

> The architecture to support various output formats is present. Obvious
> candidates are Old USBmon format and a Binary format. But it's not done.

It looks great, thanks for doing this work. Let me know when you want
it added to the kernel tree.

thanks,

greg k-h
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