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35 #ifndef _RTE_CYCLES_X86_64_H_
36 #define _RTE_CYCLES_X86_64_H_
42 #include "generic/rte_cycles.h"
44 #ifdef RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT
45 /* Global switch to use VMWARE mapping of TSC instead of RDTSC */
46 extern int rte_cycles_vmware_tsc_map;
47 #include <rte_branch_prediction.h>
49 #include <rte_common.h>
50 #include <rte_config.h>
52 static inline uint64_t
64 #ifdef RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT
65 if (unlikely(rte_cycles_vmware_tsc_map)) {
66 /* ecx = 0x10000 corresponds to the physical TSC for VMware */
67 asm volatile("rdpmc" :
75 asm volatile("rdtsc" :
81 static inline uint64_t
82 rte_rdtsc_precise(void)
88 static inline uint64_t
89 rte_get_tsc_cycles(void) { return rte_rdtsc(); }
95 #endif /* _RTE_CYCLES_X86_64_H_ */