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37 #include <sys/types.h>
38 #include <sys/sysctl.h>
41 #include <rte_common.h>
43 #include <rte_cycles.h>
44 #include <rte_memory.h>
46 #include <rte_debug.h>
48 #include "eal_private.h"
49 #include "eal_internal_cfg.h"
51 #ifdef RTE_LIBEAL_USE_HPET
52 #warning HPET is not supported in FreeBSD
55 enum timer_source eal_timer_source = EAL_TIMER_TSC;
67 if (sysctlbyname("kern.timecounter.smp_tsc", &tmp, &sz, NULL, 0))
68 RTE_LOG(WARNING, EAL, "%s\n", strerror(errno));
70 RTE_LOG(WARNING, EAL, "TSC is not safe to use in SMP mode\n");
74 if (sysctlbyname("kern.timecounter.invariant_tsc", &tmp, &sz, NULL, 0))
75 RTE_LOG(WARNING, EAL, "%s\n", strerror(errno));
77 RTE_LOG(WARNING, EAL, "TSC is not invariant\n");
80 if (sysctlbyname("machdep.tsc_freq", &tsc_hz, &sz, NULL, 0)) {
81 RTE_LOG(WARNING, EAL, "%s\n", strerror(errno));
89 rte_eal_timer_init(void)