Re: Does btrace dump actual i/o data?
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blktrace does not support dumping a request's data. But it seems that you can use other tools in your case. E.g., if it is a user-space process writing to a fake file, then you can use "strace" to capture complete arguments of every system call. HTH, Vasily On Thu, Mar 22, 2012 at 11:09 AM, Nathan McCorkle <nmz787@xxxxxxxxx> wrote: > I'm trying to reverse engineer some device communication protocols.... > Basically this device shows up as a usb drive, and commands are written to a > fake file in the root directory. Responses are read from the same fake file. > > Does btrace have the ability to dump the data being written and read from > the device, or just aggregate i/o statistics? > > > > -- > Nathan McCorkle > Rochester Institute of Technology > College of Science, Biotechnology/Bioinformatics > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrace" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-btrace" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html