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Re: [Xen-devel] questions about adding MP support to gdbserver
- To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
- From: Kip Macy <kip.macy@xxxxxxxxx>
- Date: Mon, 14 Nov 2005 09:33:24 -0800
- Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>
- Delivery-date: Mon, 14 Nov 2005 17:34:53 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Polling every breakpoint seems rather unwieldy. However, given that
this will probably never be used with more than 4 processors it will
work fine.
Thanks.
-Kip
There are examples in xenstat, but it uses its own interface library
(not libxenctrl) so it will probably only confuse. You have the right
approach described above anyway:
1. getdomaininfo
2. for (i = 0; i <= info.max_vcpu_id; i++)
3. getvcpuinfo / getvcpucontext
4. info.online tells you whether the vcpu is up or down
5. either way, getvcpucontext will succeed if the domU has booted
that vcpu
-- Keir
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