Re: about debugfs functions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



hi all:

2011/1/12 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>:
> On Wed, 12 Jan 2011, loody wrote:
>
>> Is it possible for capturing all the content of "async" to a file when
>> I plug in some mass storage device such that I can analyze the qhs.
>
> Just copy the "async" file to another file.  That will give you a
> snapshot.  There is no way to track all the changes that happen over
> time.  If you want a more detailed view of what ehci-hcd is doing, you
> have to add your own debugging statements.
>
I use usb mon to capture the iso and interrupt log.
But I cannot quite understand the message mean.

87230124 328084000 S Ii:1:007:1 -150:1 1025 <
87230124 328084000 C Ii:1:007:1 0:1 7 = 0e05010a fc0001

8719dd00 530320000 S Zo:2:003:1 -150:1:0 8 -18:0:176 -18:176:176
-18:352:176 -18:528:176 -18:704:176 1408 D
8719dd00 530336000 C Zo:2:003:1 0:1:20:0 8 0:0:176 0:176:176 0:352:176
0:528:176 0:704:176 1408 >

what does the "-150:1" and  " -150:1:0 8 -18:0:176 -18:176:176" mean?
I guess that maybe status and interval, where I can find the
definition table in driver to check it?

appreciate your help :)
miloody



-- 
Regards,
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux