4 #define FIO_ARCH (arch_x86_64)
6 #ifndef __NR_ioprio_set
7 #define __NR_ioprio_set 251
8 #define __NR_ioprio_get 252
11 #ifndef __NR_fadvise64
12 #define __NR_fadvise64 221
15 #ifndef __NR_sys_splice
16 #define __NR_sys_splice 275
17 #define __NR_sys_tee 276
18 #define __NR_sys_vmsplice 278
21 #ifndef __NR_async_exec
22 #define __NR_async_exec 286
23 #define __NR_async_wait 287
24 #define __NR_umem_add 288
25 #define __NR_async_thread 289
28 #define FIO_HUGE_PAGE 2097152
30 #define FIO_HAVE_SYSLET
32 #define nop __asm__ __volatile__("rep;nop": : :"memory")
33 #define read_barrier() __asm__ __volatile__("lfence":::"memory")
34 #define write_barrier() __asm__ __volatile__("sfence":::"memory")
36 static inline unsigned long arch_ffz(unsigned long bitmask)
38 __asm__("bsf %1,%0" :"=r" (bitmask) :"r" (~bitmask));
42 static inline unsigned long long get_cpu_clock(void)
46 __asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
47 return ((unsigned long long) hi << 32ULL) | lo;
51 #define ARCH_HAVE_SSE4_2
52 #define ARCH_HAVE_CPU_CLOCK