Commit | Line | Data |
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6eda5838 TG |
1 | #ifndef _PERF_PERF_H |
2 | #define _PERF_PERF_H | |
3 | ||
895f0edc ACM |
4 | struct winsize; |
5 | ||
6 | void get_term_dimensions(struct winsize *ws); | |
7 | ||
11d1578f VW |
8 | #if defined(__i386__) |
9 | #include "../../arch/x86/include/asm/unistd.h" | |
10 | #define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") | |
11 | #define cpu_relax() asm volatile("rep; nop" ::: "memory"); | |
12 | #endif | |
13 | ||
14 | #if defined(__x86_64__) | |
1a482f38 PZ |
15 | #include "../../arch/x86/include/asm/unistd.h" |
16 | #define rmb() asm volatile("lfence" ::: "memory") | |
17 | #define cpu_relax() asm volatile("rep; nop" ::: "memory"); | |
18 | #endif | |
19 | ||
20 | #ifdef __powerpc__ | |
21 | #include "../../arch/powerpc/include/asm/unistd.h" | |
22 | #define rmb() asm volatile ("sync" ::: "memory") | |
23 | #define cpu_relax() asm volatile ("" ::: "memory"); | |
24 | #endif | |
25 | ||
12310e9c MS |
26 | #ifdef __s390__ |
27 | #include "../../arch/s390/include/asm/unistd.h" | |
28 | #define rmb() asm volatile("bcr 15,0" ::: "memory") | |
29 | #define cpu_relax() asm volatile("" ::: "memory"); | |
30 | #endif | |
31 | ||
febe8345 PM |
32 | #ifdef __sh__ |
33 | #include "../../arch/sh/include/asm/unistd.h" | |
34 | #if defined(__SH4A__) || defined(__SH5__) | |
35 | # define rmb() asm volatile("synco" ::: "memory") | |
36 | #else | |
37 | # define rmb() asm volatile("" ::: "memory") | |
38 | #endif | |
39 | #define cpu_relax() asm volatile("" ::: "memory") | |
40 | #endif | |
41 | ||
2d4618dc KM |
42 | #ifdef __hppa__ |
43 | #include "../../arch/parisc/include/asm/unistd.h" | |
44 | #define rmb() asm volatile("" ::: "memory") | |
45 | #define cpu_relax() asm volatile("" ::: "memory"); | |
46 | #endif | |
47 | ||
825c9fb4 JA |
48 | #ifdef __sparc__ |
49 | #include "../../arch/sparc/include/asm/unistd.h" | |
50 | #define rmb() asm volatile("":::"memory") | |
51 | #define cpu_relax() asm volatile("":::"memory") | |
52 | #endif | |
53 | ||
fcd14b32 MC |
54 | #ifdef __alpha__ |
55 | #include "../../arch/alpha/include/asm/unistd.h" | |
56 | #define rmb() asm volatile("mb" ::: "memory") | |
57 | #define cpu_relax() asm volatile("" ::: "memory") | |
58 | #endif | |
59 | ||
11ada26c LT |
60 | #ifdef __ia64__ |
61 | #include "../../arch/ia64/include/asm/unistd.h" | |
62 | #define rmb() asm volatile ("mf" ::: "memory") | |
63 | #define cpu_relax() asm volatile ("hint @pause" ::: "memory") | |
64 | #endif | |
65 | ||
58e9f941 JI |
66 | #ifdef __arm__ |
67 | #include "../../arch/arm/include/asm/unistd.h" | |
68 | /* | |
69 | * Use the __kuser_memory_barrier helper in the CPU helper page. See | |
70 | * arch/arm/kernel/entry-armv.S in the kernel source for details. | |
71 | */ | |
da7196e1 | 72 | #define rmb() ((void(*)(void))0xffff0fa0)() |
58e9f941 JI |
73 | #define cpu_relax() asm volatile("":::"memory") |
74 | #endif | |
75 | ||
c1e028ef DCZ |
76 | #ifdef __mips__ |
77 | #include "../../arch/mips/include/asm/unistd.h" | |
78 | #define rmb() asm volatile( \ | |
79 | ".set mips2\n\t" \ | |
80 | "sync\n\t" \ | |
81 | ".set mips0" \ | |
82 | : /* no output */ \ | |
83 | : /* no input */ \ | |
84 | : "memory") | |
85 | #define cpu_relax() asm volatile("" ::: "memory") | |
86 | #endif | |
87 | ||
1a482f38 PZ |
88 | #include <time.h> |
89 | #include <unistd.h> | |
90 | #include <sys/types.h> | |
91 | #include <sys/syscall.h> | |
92 | ||
cdd6c482 | 93 | #include "../../include/linux/perf_event.h" |
7c6a1c65 | 94 | #include "util/types.h" |
8035458f | 95 | #include <stdbool.h> |
1a482f38 | 96 | |
6eda5838 | 97 | /* |
cdd6c482 | 98 | * prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all |
6eda5838 TG |
99 | * counters in the current task. |
100 | */ | |
cdd6c482 IM |
101 | #define PR_TASK_PERF_EVENTS_DISABLE 31 |
102 | #define PR_TASK_PERF_EVENTS_ENABLE 32 | |
6eda5838 | 103 | |
a92e7023 TG |
104 | #ifndef NSEC_PER_SEC |
105 | # define NSEC_PER_SEC 1000000000ULL | |
106 | #endif | |
107 | ||
108 | static inline unsigned long long rdclock(void) | |
109 | { | |
110 | struct timespec ts; | |
111 | ||
112 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
113 | return ts.tv_sec * 1000000000ULL + ts.tv_nsec; | |
114 | } | |
6eda5838 TG |
115 | |
116 | /* | |
117 | * Pick up some kernel type conventions: | |
118 | */ | |
119 | #define __user | |
120 | #define asmlinkage | |
121 | ||
6eda5838 TG |
122 | #define unlikely(x) __builtin_expect(!!(x), 0) |
123 | #define min(x, y) ({ \ | |
124 | typeof(x) _min1 = (x); \ | |
125 | typeof(y) _min2 = (y); \ | |
126 | (void) (&_min1 == &_min2); \ | |
127 | _min1 < _min2 ? _min1 : _min2; }) | |
128 | ||
129 | static inline int | |
cdd6c482 | 130 | sys_perf_event_open(struct perf_event_attr *attr, |
6eda5838 TG |
131 | pid_t pid, int cpu, int group_fd, |
132 | unsigned long flags) | |
133 | { | |
974802ea | 134 | attr->size = sizeof(*attr); |
cdd6c482 | 135 | return syscall(__NR_perf_event_open, attr, pid, cpu, |
6eda5838 TG |
136 | group_fd, flags); |
137 | } | |
138 | ||
85a9f920 IM |
139 | #define MAX_COUNTERS 256 |
140 | #define MAX_NR_CPUS 256 | |
6eda5838 | 141 | |
8cb76d99 FW |
142 | struct ip_callchain { |
143 | u64 nr; | |
144 | u64 ips[0]; | |
f5970550 PZ |
145 | }; |
146 | ||
8035458f | 147 | extern bool perf_host, perf_guest; |
a1645ce1 | 148 | |
6eda5838 | 149 | #endif |