tests/benchmark-crypto-hash.c

   1 /*
   2  * QEMU Crypto hash speed benchmark
   3  *
   4  * Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
   5  *
   6  * Authors:
   7  *    Longpeng(Mike) <longpeng2@huawei.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or
  10  * (at your option) any later version.  See the COPYING file in the
  11  * top-level directory.
  12  */
  13 #include "qemu/osdep.h"
  14 #include "crypto/init.h"
  15 #include "crypto/hash.h"
  16
  17 static void test_hash_speed(const void *opaque)
  18 {
  19     size_t chunk_size = (size_t)opaque;
  20     uint8_t *in = NULL, *out = NULL;
  21     size_t out_len = 0;
  22     double total = 0.0;
  23     struct iovec iov;
  24     int ret;
  25
  26     in = g_new0(uint8_t, chunk_size);
  27     memset(in, g_test_rand_int(), chunk_size);
  28
  29     iov.iov_base = (char *)in;
  30     iov.iov_len = chunk_size;
  31
  32     g_test_timer_start();
  33     do {
  34         ret = qcrypto_hash_bytesv(QCRYPTO_HASH_ALG_SHA256,
  35                                   &iov, 1, &out, &out_len,
  36                                   NULL);
  37         g_assert(ret == 0);
  38
  39         total += chunk_size;
  40     } while (g_test_timer_elapsed() < 5.0);
  41
  42     total /= 1024 * 1024; /* to MB */
  43     g_print("sha256: ");
  44     g_print("Testing chunk_size %zu bytes ", chunk_size);
  45     g_print("done: %.2f MB in %.2f secs: ", total, g_test_timer_last());
  46     g_print("%.2f MB/sec\n", total / g_test_timer_last());
  47
  48     g_free(out);
  49     g_free(in);
  50 }
  51
  52 int main(int argc, char **argv)
  53 {
  54     size_t i;
  55     char name[64];
  56
  57     g_test_init(&argc, &argv, NULL);
  58     g_assert(qcrypto_init(NULL) == 0);
  59
  60     for (i = 512; i <= (64 * 1204); i *= 2) {
  61         memset(name, 0 , sizeof(name));
  62         snprintf(name, sizeof(name), "/crypto/hash/speed-%zu", i);
  63         g_test_add_data_func(name, (void *)i, test_hash_speed);
  64     }
  65
  66     return g_test_run();
  67 }