6 #include <sys/syscall.h>
7 #include <linux/types.h>
8 #include <linux/perf_event.h>
9 #include <asm/barrier.h>
12 #define cpu_relax() asm volatile("rep; nop" ::: "memory");
13 #define CPUINFO_PROC {"model name"}
14 #ifndef __NR_perf_event_open
15 # define __NR_perf_event_open 336
18 # define __NR_futex 240
21 # define __NR_gettid 224
25 #if defined(__x86_64__)
26 #define cpu_relax() asm volatile("rep; nop" ::: "memory");
27 #define CPUINFO_PROC {"model name"}
28 #ifndef __NR_perf_event_open
29 # define __NR_perf_event_open 298
32 # define __NR_futex 202
35 # define __NR_gettid 186
40 #include "../../arch/powerpc/include/uapi/asm/unistd.h"
41 #define CPUINFO_PROC {"cpu"}
45 #define CPUINFO_PROC {"vendor_id"}
49 #define CPUINFO_PROC {"cpu type"}
53 #define mb() asm volatile("" ::: "memory")
54 #define wmb() asm volatile("" ::: "memory")
55 #define rmb() asm volatile("" ::: "memory")
56 #define CPUINFO_PROC {"cpu"}
60 #define CPUINFO_PROC {"cpu"}
64 #define CPUINFO_PROC {"cpu model"}
68 #define cpu_relax() asm volatile ("hint @pause" ::: "memory")
69 #define CPUINFO_PROC {"model name"}
73 #define CPUINFO_PROC {"model name", "Processor"}
77 #define cpu_relax() asm volatile("yield" ::: "memory")
81 #define CPUINFO_PROC {"cpu model"}
85 #define mb() asm volatile("" ::: "memory")
86 #define wmb() asm volatile("" ::: "memory")
87 #define rmb() asm volatile("" ::: "memory")
88 #define CPUINFO_PROC {"Processor"}
92 #define mb() asm volatile("" ::: "memory")
93 #define wmb() asm volatile("" ::: "memory")
94 #define rmb() asm volatile("" ::: "memory")
95 #define CPUINFO_PROC {"CPU"}
99 #define CPUINFO_PROC {"core ID"}
103 #define cpu_relax() asm volatile ("mfspr zero, PASS" ::: "memory")
104 #define CPUINFO_PROC {"model name"}
108 #define cpu_relax() barrier()
112 sys_perf_event_open(struct perf_event_attr *attr,
113 pid_t pid, int cpu, int group_fd,
118 fd = syscall(__NR_perf_event_open, attr, pid, cpu,
121 #ifdef HAVE_ATTR_TEST
122 if (unlikely(test_attr__enabled))
123 test_attr__open(attr, pid, cpu, fd, group_fd, flags);
128 #endif /* _PERF_SYS_H */