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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>
45 #include <rte_memzone.h>
47 #include <rte_debug.h>
49 #include "eal_private.h"
50 #include "eal_internal_cfg.h"
52 #ifdef RTE_LIBEAL_USE_HPET
53 #warning HPET is not supported in FreeBSD
56 enum timer_source eal_timer_source = EAL_TIMER_TSC;
68 if (sysctlbyname("kern.timecounter.smp_tsc", &tmp, &sz, NULL, 0))
69 RTE_LOG(WARNING, EAL, "%s\n", strerror(errno));
71 RTE_LOG(WARNING, EAL, "TSC is not safe to use in SMP mode\n");
75 if (sysctlbyname("kern.timecounter.invariant_tsc", &tmp, &sz, NULL, 0))
76 RTE_LOG(WARNING, EAL, "%s\n", strerror(errno));
78 RTE_LOG(WARNING, EAL, "TSC is not invariant\n");
81 if (sysctlbyname("machdep.tsc_freq", &tsc_hz, &sz, NULL, 0)) {
82 RTE_LOG(WARNING, EAL, "%s\n", strerror(errno));
90 rte_eal_timer_init(void)