static int nr_vcpus = 1;
static uint64_t guest_percpu_mem_size = DEFAULT_PER_VCPU_MEM_SIZE;
+static size_t demand_paging_size;
static char *guest_data_prototype;
static void *vcpu_worker(void *data)
copy.src = (uint64_t)guest_data_prototype;
copy.dst = addr;
- copy.len = perf_test_args.host_page_size;
+ copy.len = demand_paging_size;
copy.mode = 0;
clock_gettime(CLOCK_MONOTONIC, &start);
PER_PAGE_DEBUG("UFFDIO_COPY %d \t%ld ns\n", tid,
timespec_to_ns(ts_diff));
PER_PAGE_DEBUG("Paged in %ld bytes at 0x%lx from thread %d\n",
- perf_test_args.host_page_size, addr, tid);
+ demand_paging_size, addr, tid);
return 0;
}
perf_test_args.wr_fract = 1;
- guest_data_prototype = malloc(perf_test_args.host_page_size);
+ demand_paging_size = get_backing_src_pagesz(VM_MEM_SRC_ANONYMOUS);
+
+ guest_data_prototype = malloc(demand_paging_size);
TEST_ASSERT(guest_data_prototype,
"Failed to allocate buffer for guest data pattern");
- memset(guest_data_prototype, 0xAB, perf_test_args.host_page_size);
+ memset(guest_data_prototype, 0xAB, demand_paging_size);
vcpu_threads = malloc(nr_vcpus * sizeof(*vcpu_threads));
TEST_ASSERT(vcpu_threads, "Memory allocation failed");