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Re: [Xen-devel] xenoprofile cannot run in active mode in domU

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] xenoprofile cannot run in active mode in domU
From: K L <intervalmg@xxxxxxxxx>
Date: Wed, 8 Sep 2010 22:33:57 -0400
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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No. It returns timer mode.

trillian14:~# opcontrol -l
Using timer interrupt.

Is it possible that power regulator has something to do with the error
because I see some APIC entries(dmesg) are always disabled even if I
enable all APIC in BIOS. Have you had experience on HP proliant


On Wed, Sep 8, 2010 at 11:53 AM, Konrad Rzeszutek Wilk
<konrad.wilk@xxxxxxxxxx> wrote:
> On Sun, Sep 05, 2010 at 10:45:00PM -0400, K L wrote:
>> Dear all,
>> I have enable xen-3.4.2 oprofile configuration and compiled the
>> oprofile-0.9.5.tar.gz with patch oprofile-0.9.5-xen.patch.
>> I 'scp' the xen-syms kernel and the vmlinux kernel to domU. I want to
>> start the mode with:
>> opcontrol --start --event=CPU_CLK_UNHALTED:1000000:1:1:1 --xen
>> xen-syms-3.4.2 --vmlinux=vmlinux
>> But it shows the result like:
>> testvm02:~# opcontrol --start --event=CPU_CLK_UNHALTED:1000000:1:1:1
>> --xen xen-syms-3.4.2 --vmlinux=vmlinux You cannot specify any
>> performance counter events
>> because OProfile is in timer mode.
>> I have read previous thread 'Xenoprof: getting Oprofile out of timer
>> mode?'(http://copilotco.com/mail-archives/xen.2006/msg12482.html). It
>> seems the problem has been fixed. But why I cannot run xenoprofile in
>> active mode in domU. Does it have something to do with apic?(I have
>> configured in /etc/xen/testvm02.cfg with lapic)
> Does it work under dom0?
>> My machine is HP proliant. I can provide further information if needed.
>> Thanks,
>> Jeff
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel

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