linux-yocto/tools/testing/selftests/kvm/include/perf_test_util.h
Andrew Jones b268b6f0bd KVM: selftests: Implement perf_test_util more conventionally
It's not conventional C to put non-inline functions in header
files. Create a source file for the functions instead. Also
reduce the amount of globals and rename the functions to
something less generic.

Reviewed-by: Ben Gardon <bgardon@google.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-Id: <20201218141734.54359-4-drjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-07 18:07:31 -05:00

52 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* tools/testing/selftests/kvm/include/perf_test_util.h
*
* Copyright (C) 2020, Google LLC.
*/
#ifndef SELFTEST_KVM_PERF_TEST_UTIL_H
#define SELFTEST_KVM_PERF_TEST_UTIL_H
#include "kvm_util.h"
/* Default guest test virtual memory offset */
#define DEFAULT_GUEST_TEST_MEM 0xc0000000
#define DEFAULT_PER_VCPU_MEM_SIZE (1 << 30) /* 1G */
#define PERF_TEST_MEM_SLOT_INDEX 1
struct perf_test_vcpu_args {
uint64_t gva;
uint64_t pages;
/* Only used by the host userspace part of the vCPU thread */
int vcpu_id;
};
struct perf_test_args {
struct kvm_vm *vm;
uint64_t host_page_size;
uint64_t guest_page_size;
int wr_fract;
struct perf_test_vcpu_args vcpu_args[KVM_MAX_VCPUS];
};
extern struct perf_test_args perf_test_args;
/*
* Guest physical memory offset of the testing memory slot.
* This will be set to the topmost valid physical address minus
* the test memory size.
*/
extern uint64_t guest_test_phys_mem;
struct kvm_vm *perf_test_create_vm(enum vm_guest_mode mode, int vcpus,
uint64_t vcpu_memory_bytes);
void perf_test_destroy_vm(struct kvm_vm *vm);
void perf_test_setup_vcpus(struct kvm_vm *vm, int vcpus, uint64_t vcpu_memory_bytes);
#endif /* SELFTEST_KVM_PERF_TEST_UTIL_H */