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6eda5838 TG |
1 | #ifndef _PERF_PERF_H |
2 | #define _PERF_PERF_H | |
3 | ||
11d1578f VW |
4 | #if defined(__i386__) |
5 | #include "../../arch/x86/include/asm/unistd.h" | |
6 | #define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") | |
7 | #define cpu_relax() asm volatile("rep; nop" ::: "memory"); | |
8 | #endif | |
9 | ||
10 | #if defined(__x86_64__) | |
1a482f38 PZ |
11 | #include "../../arch/x86/include/asm/unistd.h" |
12 | #define rmb() asm volatile("lfence" ::: "memory") | |
13 | #define cpu_relax() asm volatile("rep; nop" ::: "memory"); | |
14 | #endif | |
15 | ||
16 | #ifdef __powerpc__ | |
17 | #include "../../arch/powerpc/include/asm/unistd.h" | |
18 | #define rmb() asm volatile ("sync" ::: "memory") | |
19 | #define cpu_relax() asm volatile ("" ::: "memory"); | |
20 | #endif | |
21 | ||
12310e9c MS |
22 | #ifdef __s390__ |
23 | #include "../../arch/s390/include/asm/unistd.h" | |
24 | #define rmb() asm volatile("bcr 15,0" ::: "memory") | |
25 | #define cpu_relax() asm volatile("" ::: "memory"); | |
26 | #endif | |
27 | ||
febe8345 PM |
28 | #ifdef __sh__ |
29 | #include "../../arch/sh/include/asm/unistd.h" | |
30 | #if defined(__SH4A__) || defined(__SH5__) | |
31 | # define rmb() asm volatile("synco" ::: "memory") | |
32 | #else | |
33 | # define rmb() asm volatile("" ::: "memory") | |
34 | #endif | |
35 | #define cpu_relax() asm volatile("" ::: "memory") | |
36 | #endif | |
37 | ||
2d4618dc KM |
38 | #ifdef __hppa__ |
39 | #include "../../arch/parisc/include/asm/unistd.h" | |
40 | #define rmb() asm volatile("" ::: "memory") | |
41 | #define cpu_relax() asm volatile("" ::: "memory"); | |
42 | #endif | |
43 | ||
825c9fb4 JA |
44 | #ifdef __sparc__ |
45 | #include "../../arch/sparc/include/asm/unistd.h" | |
46 | #define rmb() asm volatile("":::"memory") | |
47 | #define cpu_relax() asm volatile("":::"memory") | |
48 | #endif | |
49 | ||
1a482f38 PZ |
50 | #include <time.h> |
51 | #include <unistd.h> | |
52 | #include <sys/types.h> | |
53 | #include <sys/syscall.h> | |
54 | ||
55 | #include "../../include/linux/perf_counter.h" | |
7c6a1c65 | 56 | #include "util/types.h" |
1a482f38 | 57 | |
6eda5838 TG |
58 | /* |
59 | * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all | |
60 | * counters in the current task. | |
61 | */ | |
62 | #define PR_TASK_PERF_COUNTERS_DISABLE 31 | |
63 | #define PR_TASK_PERF_COUNTERS_ENABLE 32 | |
64 | ||
a92e7023 TG |
65 | #ifndef NSEC_PER_SEC |
66 | # define NSEC_PER_SEC 1000000000ULL | |
67 | #endif | |
68 | ||
69 | static inline unsigned long long rdclock(void) | |
70 | { | |
71 | struct timespec ts; | |
72 | ||
73 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
74 | return ts.tv_sec * 1000000000ULL + ts.tv_nsec; | |
75 | } | |
6eda5838 TG |
76 | |
77 | /* | |
78 | * Pick up some kernel type conventions: | |
79 | */ | |
80 | #define __user | |
81 | #define asmlinkage | |
82 | ||
f37a291c IM |
83 | #define __used __attribute__((__unused__)) |
84 | ||
6eda5838 TG |
85 | #define unlikely(x) __builtin_expect(!!(x), 0) |
86 | #define min(x, y) ({ \ | |
87 | typeof(x) _min1 = (x); \ | |
88 | typeof(y) _min2 = (y); \ | |
89 | (void) (&_min1 == &_min2); \ | |
90 | _min1 < _min2 ? _min1 : _min2; }) | |
91 | ||
92 | static inline int | |
974802ea | 93 | sys_perf_counter_open(struct perf_counter_attr *attr, |
6eda5838 TG |
94 | pid_t pid, int cpu, int group_fd, |
95 | unsigned long flags) | |
96 | { | |
974802ea PZ |
97 | attr->size = sizeof(*attr); |
98 | return syscall(__NR_perf_counter_open, attr, pid, cpu, | |
6eda5838 TG |
99 | group_fd, flags); |
100 | } | |
101 | ||
85a9f920 IM |
102 | #define MAX_COUNTERS 256 |
103 | #define MAX_NR_CPUS 256 | |
6eda5838 | 104 | |
8cb76d99 FW |
105 | struct ip_callchain { |
106 | u64 nr; | |
107 | u64 ips[0]; | |
f5970550 PZ |
108 | }; |
109 | ||
6eda5838 | 110 | #endif |