[PATCH] usb: fix paths in usbmon documentation

From: RogÃrio Brito
Date: Sat Aug 22 2009 - 16:36:25 EST


Hi there.

On Aug 21 2009, Alan Stern wrote:
> On Thu, 20 Aug 2009, RogÃrio 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: RogÃrio Brito <rbrito@xxxxxxxxxx>

---

diff --git a/Documentation/usb/usbmon.txt b/Documentation/usb/usbmon.txt
index 6c3c625..ea05cf7 100644
--- a/Documentation/usb/usbmon.txt
+++ b/Documentation/usb/usbmon.txt
@@ -33,7 +33,7 @@ if usbmon is built into the kernel.

Verify that bus sockets are present.

-# ls /sys/kernel/debug/usbmon
+# ls /sys/kernel/debug/usb/usbmon
0s 0u 1s 1t 1u 2s 2t 2u 3s 3t 3u 4s 4t 4u
#

@@ -58,11 +58,11 @@ Bus=03 means it's bus 3.

3. Start 'cat'

-# cat /sys/kernel/debug/usbmon/3u > /tmp/1.mon.out
+# cat /sys/kernel/debug/usb/usbmon/3u > /tmp/1.mon.out

to listen on a single bus, otherwise, to listen on all buses, type:

-# cat /sys/kernel/debug/usbmon/0u > /tmp/1.mon.out
+# cat /sys/kernel/debug/usb/usbmon/0u > /tmp/1.mon.out

This process will be reading until killed. Naturally, the output can be
redirected to a desirable location. This is preferred, because it is going


--
RogÃrio Brito : rbrito@{mackenzie,ime.usp}.br : GPG key 1024D/7C2CAEB8
http://www.ime.usp.br/~rbrito : http://meusite.mackenzie.com.br/rbrito
Projects: algorithms.berlios.de : lame.sf.net : vrms.alioth.debian.org
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