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[Xen-devel] Xenoprof: getting Oprofile out of timer mode?
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] Xenoprof: getting Oprofile out of timer mode? |
| From: | "Andrei Lifchits" <alifchit@xxxxxxxxx> |
| Date: | Mon, 17 Apr 2006 18:36:34 -0700 |
| Cc: | Gitika Aggarwal <gitika@xxxxxxxxx> |
| Delivery-date: | Tue, 18 Apr 2006 03:13:39 -0700 |
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Hello, I'm having a problem with Xenoprof: I'm trying to profile XenLinux (2.6.16) on a Pentium III desktop machine, by starting Oprofile (opcontrol --start). However, when I specify a particular event (with the --event option), Oprofile says it's in the Timer Mode and cannot profile events. The Oprofile FAQ says the "lapic" option must be passed to the kernel at boot time if that happens, but doing so doesn't change anything for me. I should note that Oprofile (without Xen support) works fine on this machine under Fedora Core 4 (it doesn't go into Timer Mode), which implies that the hardware support is present. Do you know what the problem might be with XenLinux? Thank you, Andrei _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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