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38 #include <rte_cpuflags.h>
39 #include <rte_debug.h>
44 /* convenience define */
45 #define CHECK_FOR_FLAG(x) \
46 result = rte_cpu_get_flag_enabled(x); \
47 printf("%s\n", cpu_flag_result(result)); \
48 if (result == -ENOENT) \
52 * Helper function to display result
54 static inline const char *
55 cpu_flag_result(int result)
73 * - Check flags from different registers with rte_cpu_get_flag_enabled()
74 * - Check if register and CPUID functions fail properly
81 printf("\nChecking for flags from different registers...\n");
83 printf("Check for SSE:\t\t");
84 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE);
86 printf("Check for SSE2:\t\t");
87 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE2);
89 printf("Check for SSE3:\t\t");
90 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE3);
92 printf("Check for SSE4.1:\t");
93 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_1);
95 printf("Check for SSE4.2:\t");
96 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_2);
98 printf("Check for AVX:\t\t");
99 CHECK_FOR_FLAG(RTE_CPUFLAG_AVX);
101 printf("Check for AVX2:\t\t");
102 CHECK_FOR_FLAG(RTE_CPUFLAG_AVX2);
104 printf("Check for TRBOBST:\t");
105 CHECK_FOR_FLAG(RTE_CPUFLAG_TRBOBST);
107 printf("Check for ENERGY_EFF:\t");
108 CHECK_FOR_FLAG(RTE_CPUFLAG_ENERGY_EFF);
110 printf("Check for LAHF_SAHF:\t");
111 CHECK_FOR_FLAG(RTE_CPUFLAG_LAHF_SAHF);
113 printf("Check for 1GB_PG:\t");
114 CHECK_FOR_FLAG(RTE_CPUFLAG_1GB_PG);
116 printf("Check for INVTSC:\t");
117 CHECK_FOR_FLAG(RTE_CPUFLAG_INVTSC);
122 * Check if invalid data is handled properly
124 printf("\nCheck for invalid flag:\t");
125 result = rte_cpu_get_flag_enabled(RTE_CPUFLAG_NUMFLAGS);
126 printf("%s\n", cpu_flag_result(result));
127 if (result != -ENOENT)