KVM: selftests: Support multiple vCPUs in demand paging test

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Most VMs have multiple vCPUs, the concurrent execution of which has a
substantial impact on demand paging performance. Add an option to create
multiple vCPUs to each access disjoint regions of memory.

Signed-off-by: Ben Gardon <bgardon@google.com>
[guest_code() can't return, use GUEST_ASSERT(). Ensure the number
 of guests pages is compatible with the host.]
Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Ben Gardon 2020-01-23 10:04:33 -08:00 • committed by Paolo Bonzini

parent 9bbf24744e

commit 018494e6d8

1 changed files with 171 additions and 82 deletions

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tools/testing/selftests/kvm/demand_paging_test.c

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