1 // SPDX-License-Identifier: GPL-2.0
3 * tools/testing/selftests/kvm/include/perf_test_util.h
5 * Copyright (C) 2020, Google LLC.
8 #ifndef SELFTEST_KVM_PERF_TEST_UTIL_H
9 #define SELFTEST_KVM_PERF_TEST_UTIL_H
15 /* Default guest test virtual memory offset */
16 #define DEFAULT_GUEST_TEST_MEM 0xc0000000
18 #define DEFAULT_PER_VCPU_MEM_SIZE (1 << 30) /* 1G */
20 #define PERF_TEST_MEM_SLOT_INDEX 1
22 struct perf_test_vcpu_args {
27 /* Only used by the host userspace part of the vCPU thread */
31 struct perf_test_args {
34 uint64_t guest_page_size;
37 struct perf_test_vcpu_args vcpu_args[KVM_MAX_VCPUS];
40 extern struct perf_test_args perf_test_args;
42 struct kvm_vm *perf_test_create_vm(enum vm_guest_mode mode, int vcpus,
43 uint64_t vcpu_memory_bytes, int slots,
44 enum vm_mem_backing_src_type backing_src,
45 bool partition_vcpu_memory_access);
46 void perf_test_destroy_vm(struct kvm_vm *vm);
48 void perf_test_set_wr_fract(struct kvm_vm *vm, int wr_fract);
50 void perf_test_start_vcpu_threads(int vcpus, void (*vcpu_fn)(struct perf_test_vcpu_args *));
51 void perf_test_join_vcpu_threads(int vcpus);
53 #endif /* SELFTEST_KVM_PERF_TEST_UTIL_H */