Merge tag 'io_uring-5.19-2022-06-24' of git://git.kernel.dk/linux-block

[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 7b47ae4..d60a34c 100644 (file)
--- a/tools/testing/selftests/kvm/dirty_log_perf_test.c
+++ b/tools/testing/selftests/kvm/dirty_log_perf_test.c
@@ -336,8 +336,8 @@ static void run_test(enum vm_guest_mode mode, void *arg)
 static void help(char *name)
 {
        puts("");
-       printf("usage: %s [-h] [-i iterations] [-p offset] [-g]"
-              "[-m mode] [-b vcpu bytes] [-v vcpus] [-o] [-s mem type]"
+       printf("usage: %s [-h] [-i iterations] [-p offset] [-g] "
+              "[-m mode] [-n] [-b vcpu bytes] [-v vcpus] [-o] [-s mem type]"
               "[-x memslots]\n", name);
        puts("");
        printf(" -i: specify iteration counts (default: %"PRIu64")\n",
@@ -351,6 +351,7 @@ static void help(char *name)
        printf(" -p: specify guest physical test memory offset\n"
               "     Warning: a low offset can conflict with the loaded test code.\n");
        guest_modes_help();
+       printf(" -n: Run the vCPUs in nested mode (L2)\n");
        printf(" -b: specify the size of the memory region which should be\n"
               "     dirtied by each vCPU. e.g. 10M or 3G.\n"
               "     (default: 1G)\n");
@@ -387,7 +388,7 @@ int main(int argc, char *argv[])
 
        guest_modes_append_default();
 
-       while ((opt = getopt(argc, argv, "ghi:p:m:b:f:v:os:x:")) != -1) {
+       while ((opt = getopt(argc, argv, "ghi:p:m:nb:f:v:os:x:")) != -1) {
                switch (opt) {
                case 'g':
                        dirty_log_manual_caps = 0;
@@ -401,6 +402,9 @@ int main(int argc, char *argv[])
                case 'm':
                        guest_modes_cmdline(optarg);
                        break;
+               case 'n':
+                       perf_test_args.nested = true;
+                       break;
                case 'b':
                        guest_percpu_mem_size = parse_size(optarg);
                        break;