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Date: Wed, 11 Oct 2006 16:51:09 -0400 (EDT) From: Alan Stern <stern@...land.harvard.edu> To: Pete Zaitcev <zaitcev@...hat.com> cc: Pavel Machek <pavel@...e.cz>, <gregkh@...e.de>, Paolo Abeni <paolo.abeni@...il.it>, <linux-usb-devel@...ts.sourceforge.net>, <linux-kernel@...r.kernel.org> Subject: Re: [linux-usb-devel] [PATCH] usbmon: add binary interface On Wed, 11 Oct 2006, Pete Zaitcev wrote: > On Wed, 11 Oct 2006 19:44:43 +0000, Pavel Machek <pavel@...e.cz> wrote: > > > Does it mean text interface is now deprecated? Or perhaps ioctl should > > be added to text interface too? Or maybe we do not need binary > > interface if we allow resizing on text interface? > > I haven't reviewed Paolo's patch yet, but with that in mind: > - No, text is not deprecated yet. That is only possible when a simplified > command-line tool is written and distributed (e.g. usbmon(8)). > - No, I do not think an ioctl in debugfs or a text API is a good idea. > - Resizing on text interface magnifies sprintf contribution to CPU burn, > so once we have the binary one, there's only disadvantage and > no advantage in implementing that. Would relayfs be a better choice than debugfs for exporting potentially large quantities of binary data? Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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