KVM: selftests: Add backing src parameter to dirty_log_perf_test

Add a parameter to control the backing memory type for
dirty_log_perf_test so that the test can be run with hugepages.

To: linux-kselftest@vger.kernel.org
CC: Peter Xu <peterx@redhat.com>
CC: Andrew Jones <drjones@redhat.com>
CC: Thomas Huth <thuth@redhat.com>
Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20210202185734.1680553-28-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Ben Gardon
2021-02-02 10:57:33 -08:00
committed by Paolo Bonzini
parent f73a344625
commit 9e965bb75a
8 changed files with 63 additions and 15 deletions

View File

@@ -49,7 +49,8 @@ static void guest_code(uint32_t vcpu_id)
}
struct kvm_vm *perf_test_create_vm(enum vm_guest_mode mode, int vcpus,
uint64_t vcpu_memory_bytes)
uint64_t vcpu_memory_bytes,
enum vm_mem_backing_src_type backing_src)
{
struct kvm_vm *vm;
uint64_t guest_num_pages;
@@ -93,8 +94,7 @@ struct kvm_vm *perf_test_create_vm(enum vm_guest_mode mode, int vcpus,
pr_info("guest physical test memory offset: 0x%lx\n", guest_test_phys_mem);
/* Add an extra memory slot for testing */
vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS,
guest_test_phys_mem,
vm_userspace_mem_region_add(vm, backing_src, guest_test_phys_mem,
PERF_TEST_MEM_SLOT_INDEX,
guest_num_pages, 0);