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33 * version: DPDK.L.1.2.3-3
36 #ifndef _RTE_CYCLES_H_
37 #define _RTE_CYCLES_H_
42 * Simple Time Reference Functions (Cycles and HPET).
52 * Read the TSC register.
55 * The TSC for this lcore.
57 static inline uint64_t
68 asm volatile("rdtsc" :
75 * Return the number of HPET cycles since boot
77 * This counter is global for all execution units. The number of
78 * cycles in one second can be retrived using rte_get_hpet_hz().
81 * the number of cycles
84 rte_get_hpet_cycles(void);
87 * Get the number of cycles in one second.
90 * The number of cycles in one second.
93 rte_get_hpet_hz(void);
96 * Wait at least us microseconds.
99 * The number of microseconds to wait.
102 rte_delay_us(unsigned us);
105 * Wait at least ms milliseconds.
108 * The number of milliseconds to wait.
111 rte_delay_ms(unsigned ms)
113 rte_delay_us(ms * 1000);
120 #endif /* _RTE_CYCLES_H_ */