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From: Kay Sievers <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: udevtest: man page unclear
Date: Mon, 20 Mar 2006 00:58:02 +0000	[thread overview]
Message-ID: <20060320005802.GB11927@vrfy.org> (raw)
In-Reply-To: <dvkeef$4ai$4@sea.gmane.org>

On Sun, Mar 19, 2006 at 09:21:23PM +0100, Andreas Jellinghaus wrote:
> in udev 079 the man page reads:
> NAME
>        udevtest - simulate a udev run and print the action to the console
> 
> SYNOPSIS
>        udevtest device-path subsystem
> 
> DESCRIPTION
>        udevtest simulates a udev run for the given device and prints out the
>        name of the node udev would have created, or the name of the network
>        interface, that would have been renamend.
> 
> well, to my knowledge I can use udev as hotplug, i.e. to run something
> if hardware is added. the manpage does not tell me if it can help in that
> scenario. 

From the udev man page:
  The following keys can get values assigned:
  ...
  RUN    Add a program to the list of programs to be executed for a
         specific device.

> also what is device path? what is subsystem? an example would be nice. 
> for example: how to run a test for a usb token?

It's the kernel provided path the device in sysfs, the device location
without /sys.

> udevtest /class/usb_device/usbdev3.3 usb
> should be fine I think? is that correct?

If you wan to see what rules are executed for that device, what udev
would do if this event is sent by the kernel, sure.

Kay


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      reply	other threads:[~2006-03-20  0:58 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-19 20:21 udevtest: man page unclear Andreas Jellinghaus
2006-03-20  0:58 ` Kay Sievers [this message]

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