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[Xen-users] xenoprof problems in 2.6.32.25 (xen4.0.1)
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-users] xenoprof problems in 2.6.32.25 (xen4.0.1) |
| From: | Yuto Nakai <yuto.k2c@xxxxxxxxx> |
| Date: | Thu, 6 Jan 2011 14:24:58 +0900 |
| Delivery-date: | Tue, 11 Jan 2011 02:21:37 -0800 |
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Hi, I want to use xenoprof to profile the overhead of the hypervisor. I patched the oprofile-0.9.5 using the patch from xenoprof.sourceforge.net Debian GNU/Linux 5.0 (lenny) Xen-4.0.1 + 2.6.32.25 (linux-2.6-pvops.git) Dom0 My platform is Intel(R) Core(TM) i7 CPU � � � � � 960 �@ 3.20GHz My problems are: In Dom0, �after initialization (opcontrol --init), When I start daemon this in Dom0, I got the following error messages : opcontrol --start-daemon --event=CPU_CLK_UNHALTED:1000000 --xen=/boot/xen-syms-4.0.1 Error: counter 0 not available nmi_watchdog using this resource ? Try: [Comments: there is not /dev/oprofile/0 in /dev/oprofile] opcontrol --deinit echo 0 > /proc/sys/kernel/nmi_watchdog �[Comments: I do it using this instructions, but it does not work; and I find that the /proc/sys/kernel/nmi_whatchdog is 0 already] My questions are: � �1. Couldn't xenoprof works in Xen 4.0.1 ? � �2. Why these error message were output If xenoprof works in Xen 4.0.1 ? _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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