summaryrefslogtreecommitdiff
path: root/app/test/test_cpuflags.c
blob: 41af59f8aa793e79a7e14ff00450b11a872333ef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*-
 *   BSD LICENSE
 * 
 *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
 *   All rights reserved.
 * 
 *   Redistribution and use in source and binary forms, with or without 
 *   modification, are permitted provided that the following conditions 
 *   are met:
 * 
 *     * Redistributions of source code must retain the above copyright 
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright 
 *       notice, this list of conditions and the following disclaimer in 
 *       the documentation and/or other materials provided with the 
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its 
 *       contributors may be used to endorse or promote products derived 
 *       from this software without specific prior written permission.
 * 
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */

#include <stdio.h>

#include <cmdline_parse.h>
#include <errno.h>
#include <stdint.h>
#include <rte_cpuflags.h>
#include <rte_debug.h>

#include "test.h"


/* convenience define */
#define CHECK_FOR_FLAG(x) \
			result = rte_cpu_get_flag_enabled(x);    \
			printf("%s\n", cpu_flag_result(result)); \
			if (result == -ENOENT)                   \
				return -1;

/*
 * Helper function to display result
 */
static inline const char *
cpu_flag_result(int result)
{
	switch (result) {
	case 0:
		return "NOT PRESENT";
	case 1:
		return "OK";
	default:
		return "ERROR";
	}
}



/*
 * CPUID test
 * ===========
 *
 * - Check flags from different registers with rte_cpu_get_flag_enabled()
 * - Check if register and CPUID functions fail properly
 */

int
test_cpuflags(void)
{
	int result;
	printf("\nChecking for flags from different registers...\n");

	printf("Check for SSE:\t\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_SSE);

	printf("Check for SSE2:\t\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_SSE2);

	printf("Check for SSE3:\t\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_SSE3);

	printf("Check for SSE4.1:\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_1);

	printf("Check for SSE4.2:\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_2);

	printf("Check for AVX:\t\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_AVX);

	printf("Check for AVX2:\t\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_AVX2);

	printf("Check for TRBOBST:\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_TRBOBST);

	printf("Check for ENERGY_EFF:\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_ENERGY_EFF);

	printf("Check for LAHF_SAHF:\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_LAHF_SAHF);

	printf("Check for 1GB_PG:\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_1GB_PG);

	printf("Check for INVTSC:\t");
	CHECK_FOR_FLAG(RTE_CPUFLAG_INVTSC);



	/*
	 * Check if invalid data is handled properly
	 */
	printf("\nCheck for invalid flag:\t");
	result = rte_cpu_get_flag_enabled(RTE_CPUFLAG_NUMFLAGS);
	printf("%s\n", cpu_flag_result(result));
	if (result != -ENOENT)
		return -1;

	return 0;
}