KVM: selftests: Add backing src parameter to dirty_log_perf_test

[linux-2.6-microblaze.git] / tools / testing / selftests / kvm / dirty_log_perf_test.c

diff --git a/tools/testing/selftests/kvm/dirty_log_perf_test.c b/tools/testing/selftests/kvm/dirty_log_perf_test.c
index a0231be..3b558fb 100644 (file)
--- a/tools/testing/selftests/kvm/dirty_log_perf_test.c
+++ b/tools/testing/selftests/kvm/dirty_log_perf_test.c
@@ -93,6 +93,7 @@ struct test_params {
        uint64_t phys_offset;
        int wr_fract;
        bool partition_vcpu_memory_access;
+       enum vm_mem_backing_src_type backing_src;
 };
 
 static void run_test(enum vm_guest_mode mode, void *arg)
@@ -112,7 +113,8 @@ static void run_test(enum vm_guest_mode mode, void *arg)
        struct kvm_enable_cap cap = {};
        struct timespec clear_dirty_log_total = (struct timespec){0};
 
-       vm = perf_test_create_vm(mode, nr_vcpus, guest_percpu_mem_size);
+       vm = perf_test_create_vm(mode, nr_vcpus, guest_percpu_mem_size,
+                                p->backing_src);
 
        perf_test_args.wr_fract = p->wr_fract;
 
@@ -242,7 +244,7 @@ static void help(char *name)
 {
        puts("");
        printf("usage: %s [-h] [-i iterations] [-p offset] "
-              "[-m mode] [-b vcpu bytes] [-v vcpus] [-o]\n", name);
+              "[-m mode] [-b vcpu bytes] [-v vcpus] [-o] [-s mem type]\n", name);
        puts("");
        printf(" -i: specify iteration counts (default: %"PRIu64")\n",
               TEST_HOST_LOOP_N);
@@ -259,6 +261,9 @@ static void help(char *name)
        printf(" -v: specify the number of vCPUs to run.\n");
        printf(" -o: Overlap guest memory accesses instead of partitioning\n"
               "     them into a separate region of memory for each vCPU.\n");
+       printf(" -s: specify the type of memory that should be used to\n"
+              "     back the guest data region.\n\n");
+       backing_src_help();
        puts("");
        exit(0);
 }
@@ -270,6 +275,7 @@ int main(int argc, char *argv[])
                .iterations = TEST_HOST_LOOP_N,
                .wr_fract = 1,
                .partition_vcpu_memory_access = true,
+               .backing_src = VM_MEM_SRC_ANONYMOUS,
        };
        int opt;
 
@@ -280,7 +286,7 @@ int main(int argc, char *argv[])
 
        guest_modes_append_default();
 
-       while ((opt = getopt(argc, argv, "hi:p:m:b:f:v:o")) != -1) {
+       while ((opt = getopt(argc, argv, "hi:p:m:b:f:v:os:")) != -1) {
                switch (opt) {
                case 'i':
                        p.iterations = atoi(optarg);
@@ -306,6 +312,8 @@ int main(int argc, char *argv[])
                        break;
                case 'o':
                        p.partition_vcpu_memory_access = false;
+               case 's':
+                       p.backing_src = parse_backing_src_type(optarg);
                        break;
                case 'h':
                default: