Hello,
I have a problem where a vcpu is spinning over a
EXIT_REASON_PAUSE_INSTRUCTION forever. This VMEXIT is caused by a
spin-lock. The entire gust system blocks.
As my code has not spin-locks, probably it is invoking a system call
that invokes a spin-lock.
I'm interested in knowing the trace of the running process.
the problem is:
I have a vcpu stopped, then gdb and ftrace do not work.
my question is, is it possible to obtain the call trace (of a guest
process running under a certain vcpu) from the structures in kvm?
Oscar
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