On 03/17/2010 10:16 AM, Ingo Molnar wrote:
* Avi Kivity<avi@xxxxxxxxxx> wrote:
Monitoring guests from the host is useful for kvm developers, but less so
for users.
Guest space profiling is easy, and 'perf kvm' is not about that. (plain 'perf'
will work if a proper paravirt channel is opened to the host)
I think you might have misunderstood the purpose and role of the 'perf kvm'
patch here? 'perf kvm' is aimed at KVM developers: it is them who improve KVM
code, not guest kernel users.
Of course I understood it. My point was that 'perf kvm' serves a tiny
minority of users. That doesn't mean it isn't useful, just that it
doesn't satisfy all needs by itself.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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