[Xen-devel] xenoprof problem

[Xin Zhao <zhaoxin@xxxxxxxxxxxxxx>]

I am using xen-unstable with kernel 2.6.16. I enabled the auditd when 
compiling kernel. After compile and restart, I did "opcontrol --start" 
in DomU. But I got the error message as following:
------------------------------
Using default event: GLOBAL_POWER_EVENTS:100000:1:1:1
Using 2.6+ OProfile kernel interface.
Failed to open profile device: Operation not permitted
Couldn't start oprofiled.
Check the log file "/var/lib/oprofile/oprofiled.log" and kernel syslog
-------------------------------------------------

Does anyone have similar experience? Is this the right way to profiling 
the performance in xen systems?
Thanks in advance for your help!

Xin

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