On 03/22/2010 10:35 PM, Ingo Molnar wrote:
And your point is that such vcpus should be excluded from profiling just
because they fall outside the Qemu/libvirt umbrella?
That is a ridiculous position.
Non-guest vcpus will not be able to provide Linux-style symbols.
And why do you say that it makes no sense to profile them?
It makes sense to profile them, but you don't need to contact their
userspace tool for that.
Also, why do you define 'guest vcpus' to be 'Qemu started guest vcpus'? If
some other KVM using project (which you encouraged just a few mails ago)
starts a vcpu we still want to be able to profile them.
Maybe it should provide a mechanism for libvirt to list it.
--
Do not meddle in the internals of kernels, for they are subtle and quick to
panic.
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