Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2020-02-15-v2' into...
[qemu.git] / 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 "qemu/units.h"
15 #include "crypto/init.h"
16 #include "crypto/hash.h"
17
18 static void test_hash_speed(const void *opaque)
19 {
20 size_t chunk_size = (size_t)opaque;
21 uint8_t *in = NULL, *out = NULL;
22 size_t out_len = 0;
23 const size_t total = 2 * GiB;
24 size_t remain;
25 struct iovec iov;
26 int ret;
27
28 in = g_new0(uint8_t, chunk_size);
29 memset(in, g_test_rand_int(), chunk_size);
30
31 iov.iov_base = (char *)in;
32 iov.iov_len = chunk_size;
33
34 g_test_timer_start();
35 remain = total;
36 while (remain) {
37 ret = qcrypto_hash_bytesv(QCRYPTO_HASH_ALG_SHA256,
38 &iov, 1, &out, &out_len,
39 NULL);
40 g_assert(ret == 0);
41
42 remain -= chunk_size;
43 }
44 g_test_timer_elapsed();
45
46 g_print("sha256: ");
47 g_print("Hash %zu GB chunk size %zu bytes ", total / GiB, chunk_size);
48 g_print("%.2f MB/sec ", (double)total / MiB / g_test_timer_last());
49
50 g_free(out);
51 g_free(in);
52 }
53
54 int main(int argc, char **argv)
55 {
56 size_t i;
57 char name[64];
58
59 g_test_init(&argc, &argv, NULL);
60 g_assert(qcrypto_init(NULL) == 0);
61
62 for (i = 512; i <= 64 * KiB; i *= 2) {
63 memset(name, 0 , sizeof(name));
64 snprintf(name, sizeof(name), "/crypto/hash/speed-%zu", i);
65 g_test_add_data_func(name, (void *)i, test_hash_speed);
66 }
67
68 return g_test_run();
69 }