 68dbb6d05d
			
		
	
	
		68dbb6d05d
		
	
	
	
	
		
			
			It eases code review, unit is explicit. Patch generated using: $ git grep -n '[<>][<>]= ?[1-5]0' and modified manually. Suggested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180625124238.25339-45-f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
		
			
				
	
	
		
			83 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * QEMU Crypto hmac speed benchmark
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|  *
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|  * Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
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|  *
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|  * Authors:
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|  *    Longpeng(Mike) <longpeng2@huawei.com>
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|  *
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|  * This work is licensed under the terms of the GNU GPL, version 2 or
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|  * (at your option) any later version.  See the COPYING file in the
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|  * top-level directory.
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|  */
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| #include "qemu/osdep.h"
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| #include "qemu/units.h"
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| #include "crypto/init.h"
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| #include "crypto/hmac.h"
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| 
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| #define KEY "monkey monkey monkey monkey"
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| 
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| static void test_hmac_speed(const void *opaque)
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| {
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|     size_t chunk_size = (size_t)opaque;
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|     QCryptoHmac *hmac = NULL;
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|     uint8_t *in = NULL, *out = NULL;
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|     size_t out_len = 0;
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|     double total = 0.0;
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|     struct iovec iov;
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|     Error *err = NULL;
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|     int ret;
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| 
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|     if (!qcrypto_hmac_supports(QCRYPTO_HASH_ALG_SHA256)) {
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|         return;
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|     }
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| 
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|     in = g_new0(uint8_t, chunk_size);
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|     memset(in, g_test_rand_int(), chunk_size);
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| 
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|     iov.iov_base = (char *)in;
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|     iov.iov_len = chunk_size;
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| 
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|     g_test_timer_start();
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|     do {
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|         hmac = qcrypto_hmac_new(QCRYPTO_HASH_ALG_SHA256,
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|                                 (const uint8_t *)KEY, strlen(KEY), &err);
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|         g_assert(err == NULL);
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|         g_assert(hmac != NULL);
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| 
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|         ret = qcrypto_hmac_bytesv(hmac, &iov, 1, &out, &out_len, &err);
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|         g_assert(ret == 0);
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|         g_assert(err == NULL);
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| 
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|         qcrypto_hmac_free(hmac);
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| 
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|         total += chunk_size;
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|     } while (g_test_timer_elapsed() < 5.0);
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| 
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|     total /= MiB;
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|     g_print("hmac(sha256): ");
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|     g_print("Testing chunk_size %zu bytes ", chunk_size);
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|     g_print("done: %.2f MB in %.2f secs: ", total, g_test_timer_last());
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|     g_print("%.2f MB/sec\n", total / g_test_timer_last());
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| 
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|     g_free(out);
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|     g_free(in);
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| }
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| 
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| int main(int argc, char **argv)
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| {
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|     size_t i;
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|     char name[64];
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| 
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|     g_test_init(&argc, &argv, NULL);
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|     g_assert(qcrypto_init(NULL) == 0);
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| 
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|     for (i = 512; i <= 64 * KiB; i *= 2) {
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|         memset(name, 0 , sizeof(name));
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|         snprintf(name, sizeof(name), "/crypto/hmac/speed-%zu", i);
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|         g_test_add_data_func(name, (void *)i, test_hmac_speed);
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|     }
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| 
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|     return g_test_run();
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| }
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