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RE: [Xen-devel] XenMon failure to get trace buffers

To: "JP S" <jpsanon@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] XenMon failure to get trace buffers
From: "Zhao, Yunfeng" <yunfeng.zhao@xxxxxxxxx>
Date: Fri, 7 Apr 2006 08:26:47 +0800
Cc: rob.gardner@xxxxxx
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Thread-index: AcZZgZZwSV1QBAtuRCWwt1pIN8XwNQAWD7jg
Thread-topic: [Xen-devel] XenMon failure to get trace buffers
I guess you didn’t assign a buffer size to xen trace.
This can be done through modifying "xen/common/trace.c" and assigning a value 
to opt_tbuf_size.


From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of JP S
Sent: 2006年4月4日 22:06
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Cc: rob.gardner@xxxxxx
Subject: [Xen-devel] XenMon failure to get trace buffers

I am attempting to try out xenmon and am getting a error when I start it.
ERROR: Failure to get trace buffer pointer from Xen (22 = invalid argument)
I also tried running "tbctl 1" but get "Enable/Disable hypercall failure: 
Invaid argument"
Granted I am a new to running xenmon/xentrace/xenbaked so I may be missing a 
fundamental step here, but I documentation suggests that all I need to do is 
run xenmon.py.
Can anyone shed some light on this, or just point out where I went wrong?
C/S 9515 SMP Dom0
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