From: "Rogério Brito" <rbrito@ime.usp.br>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Andrew Morton <akpm@linux-foundation.org>,
USB list <linux-usb@vger.kernel.org>,
SCSI development list <linux-scsi@vger.kernel.org>,
linux-kernel@vger.kernel.org,
bugzilla-daemon@bugzilla.kernel.org
Subject: [PATCH] usb: fix paths in usbmon documentation
Date: Sat, 22 Aug 2009 17:33:53 -0300 [thread overview]
Message-ID: <20090822203353.GA2103@ime.usp.br> (raw)
In-Reply-To: <20090822191420.GA5572@ime.usp.br>
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>
---
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
--
Rogério 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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WARNING: multiple messages have this Message-ID (diff)
From: "Rogério Brito" <rbrito@ime.usp.br>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Andrew Morton <akpm@linux-foundation.org>,
USB list <linux-usb@vger.kernel.org>,
SCSI development list <linux-scsi@vger.kernel.org>,
linux-kernel@vger.kernel.org,
bugzilla-daemon@bugzilla.kernel.org
Subject: [PATCH] usb: fix paths in usbmon documentation
Date: Sat, 22 Aug 2009 17:33:53 -0300 [thread overview]
Message-ID: <20090822203353.GA2103@ime.usp.br> (raw)
In-Reply-To: <20090822191420.GA5572@ime.usp.br>
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>
---
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
--
Rogério 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
next prev parent reply other threads:[~2009-08-22 20:33 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-14020-10286@http.bugzilla.kernel.org/>
2009-08-20 21:58 ` [Bugme-new] [Bug 14020] New: Stack trace when running smartctl on an USB disk Andrew Morton
[not found] ` <20090820145830.4f745fc3.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2009-08-20 22:07 ` Rogério Brito
2009-08-21 14:04 ` Alan Stern
2009-08-22 19:14 ` Rogério Brito
[not found] ` <20090822191420.GA5572-qczF+2RCDl1fyO9Q7EP/yw@public.gmane.org>
2009-08-22 19:23 ` Rogério Brito
2009-08-22 19:24 ` Rogério Brito
[not found] ` <20090822192304.GB5572-qczF+2RCDl1fyO9Q7EP/yw@public.gmane.org>
2009-08-22 20:55 ` Alan Stern
2009-08-22 20:33 ` Rogério Brito [this message]
2009-08-22 20:33 ` [PATCH] usb: fix paths in usbmon documentation Rogério Brito
2009-08-22 21:14 ` [Bugme-new] [Bug 14020] New: Stack trace when running smartctl on an USB disk Rogério Brito
2009-08-23 0:17 ` Alan Stern
2009-08-23 0:17 ` Alan Stern
2009-08-23 15:11 ` Rogério Brito
2009-08-23 15:11 ` Rogério Brito
2009-08-23 16:24 ` Alan Stern
2009-08-23 16:24 ` Alan Stern
2009-08-23 18:22 ` Douglas Gilbert
[not found] ` <Pine.LNX.4.44L0.0909010942590.2816-100000@iolanthe.rowland.org>
2009-09-02 7:27 ` Rogério Brito
2009-09-02 7:27 ` Rogério Brito
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