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KVM: selftests: Allow specify physical cpu list in demand paging test

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Mimic the dirty log test and allow the user to pin demand paging test
tasks to physical CPUs.

Put the help message into a general helper as suggested by Sean.

Signed-off-by: Peter Xu <peterx@redhat.com>
[sean: rebase, tweak arg ordering, add "print" to helper, print program name]
Link: https://lore.kernel.org/r/20230607001226.1398889-1-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Peter Xu
2023-06-06 17:12:26 -07:00
committed by Sean Christopherson
parent dfa78a20cc
commit d4ec586c60
4 changed files with 32 additions and 13 deletions
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1
tools/testing/selftests/kvm/include/kvm_util_base.h
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@@ -733,6 +733,7 @@ static inline struct kvm_vm *vm_create_with_one_vcpu(struct kvm_vcpu **vcpu,
struct kvm_vcpu *vm_recreate_with_one_vcpu(struct kvm_vm *vm);
void kvm_pin_this_task_to_pcpu(uint32_t pcpu);
void kvm_print_vcpu_pinning_help(void);
void kvm_parse_vcpu_pinning(const char *pcpus_string, uint32_t vcpu_to_pcpu[],
int nr_vcpus);