From e80d7612f93f7d8dabe3be5152d8baa15a7d29db Mon Sep 17 00:00:00 2001 From: Louis Burda Date: Mon, 15 Aug 2022 21:52:52 +0200 Subject: Minor tweaks --- test/kvm.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'test') diff --git a/test/kvm.c b/test/kvm.c index 75440b0..886f362 100644 --- a/test/kvm.c +++ b/test/kvm.c @@ -304,7 +304,7 @@ int16_t *print_accessed_sets(){ } -void +int16_t * collect(const char *prefix, size_t code_start, size_t code_stop) { int ret; @@ -314,10 +314,8 @@ collect(const char *prefix, size_t code_start, size_t code_stop) kvm_init(131072, code_start, code_stop); printf("KVm init done\n"); - ret = 0; kvm_run->exit_reason = KVM_EXIT_IO; - printf("Now calling KVM_RUN"); ret = ioctl(kvm.vcpufd, KVM_RUN, NULL); @@ -328,9 +326,14 @@ collect(const char *prefix, size_t code_start, size_t code_stop) if (ret < 0 || kvm_run->exit_reason != KVM_EXIT_IO) errx(1, "KVM died: %i %i\n", ret, kvm_run->exit_reason); + + int16_t *sets = print_accessed_sets(); + close(kvm.fd); close(kvm.vmfd); close(kvm.vcpufd); + + return sets; } void dump_msrmt_results_to_log(char *log_file_path, int16_t msrmt_results[SAMPLE_COUNT][64]) @@ -388,13 +391,12 @@ main(int argc, const char **argv) int16_t msmrt_with_access[SAMPLE_COUNT][64]; for(int i=0; i < SAMPLE_COUNT; ++i){ printf("First: Testing VM without memory access \n"); - collect("without", __start_guest_without, __stop_guest_without); - int16_t *tmp_res = print_accessed_sets(); + int16_t *tmp_res; + tmp_res = collect("without", __start_guest_without, __stop_guest_without); memcpy(msmrt_without_access[i], tmp_res, 64*sizeof(int16_t)); free(tmp_res); printf("Now: Testing access with memory access \n"); - collect( "with", __start_guest_with, __stop_guest_with); - tmp_res = print_accessed_sets(); + tmp_res = collect("with", __start_guest_with, __stop_guest_with); memcpy(msmrt_with_access[i], tmp_res, 64*sizeof(int16_t)); free(tmp_res); } -- cgit v1.2.3-71-gd317