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USB: fix paths in usbmon documentation
Hi there. On Aug 21 2009, Alan Stern wrote: > On Thu, 20 Aug 2009, Rogério Brito wrote: > > Again, just reiterating, what I said before, even though I am not sure > > if I can reproduce it, I will try to. > > A usbmon trace showing what happens when you plug in the drive and > when you run smartctl would help. The documentation for usbmon in the kernel 2.6.31-rc7 kernel doesn't match what the kernel exposes in the debug fs tree. This patch fixes it. Signed-off-by: Rogério Brito <rbrito@ime.usp.br> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -33,7 +33,7 @@ if usbmon is built into the kernel.
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Verify that bus sockets are present.
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# ls /sys/kernel/debug/usbmon
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# ls /sys/kernel/debug/usb/usbmon
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0s 0u 1s 1t 1u 2s 2t 2u 3s 3t 3u 4s 4t 4u
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#
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@ -58,11 +58,11 @@ Bus=03 means it's bus 3.
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3. Start 'cat'
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# cat /sys/kernel/debug/usbmon/3u > /tmp/1.mon.out
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# cat /sys/kernel/debug/usb/usbmon/3u > /tmp/1.mon.out
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to listen on a single bus, otherwise, to listen on all buses, type:
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# cat /sys/kernel/debug/usbmon/0u > /tmp/1.mon.out
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# cat /sys/kernel/debug/usb/usbmon/0u > /tmp/1.mon.out
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This process will be reading until killed. Naturally, the output can be
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redirected to a desirable location. This is preferred, because it is going
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