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>
		
			
				
	
	
		
			69 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * QEMU Crypto hash 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/hash.h"
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static void test_hash_speed(const void *opaque)
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{
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    size_t chunk_size = (size_t)opaque;
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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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    int ret;
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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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    iov.iov_base = (char *)in;
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    iov.iov_len = chunk_size;
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    g_test_timer_start();
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    do {
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        ret = qcrypto_hash_bytesv(QCRYPTO_HASH_ALG_SHA256,
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                                  &iov, 1, &out, &out_len,
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                                  NULL);
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        g_assert(ret == 0);
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        total += chunk_size;
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    } while (g_test_timer_elapsed() < 5.0);
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    total /= MiB;
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    g_print("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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    g_free(out);
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    g_free(in);
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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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    g_test_init(&argc, &argv, NULL);
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    g_assert(qcrypto_init(NULL) == 0);
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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/hash/speed-%zu", i);
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        g_test_add_data_func(name, (void *)i, test_hash_speed);
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    }
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    return g_test_run();
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}
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