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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"); | |
fbe96f29 | 12 | #define CPUINFO_PROC "model name" |
11d1578f VW |
13 | #endif |
14 | ||
15 | #if defined(__x86_64__) | |
1a482f38 PZ |
16 | #include "../../arch/x86/include/asm/unistd.h" |
17 | #define rmb() asm volatile("lfence" ::: "memory") | |
18 | #define cpu_relax() asm volatile("rep; nop" ::: "memory"); | |
fbe96f29 | 19 | #define CPUINFO_PROC "model name" |
1a482f38 PZ |
20 | #endif |
21 | ||
22 | #ifdef __powerpc__ | |
23 | #include "../../arch/powerpc/include/asm/unistd.h" | |
24 | #define rmb() asm volatile ("sync" ::: "memory") | |
25 | #define cpu_relax() asm volatile ("" ::: "memory"); | |
fbe96f29 | 26 | #define CPUINFO_PROC "cpu" |
1a482f38 PZ |
27 | #endif |
28 | ||
12310e9c MS |
29 | #ifdef __s390__ |
30 | #include "../../arch/s390/include/asm/unistd.h" | |
31 | #define rmb() asm volatile("bcr 15,0" ::: "memory") | |
32 | #define cpu_relax() asm volatile("" ::: "memory"); | |
33 | #endif | |
34 | ||
febe8345 PM |
35 | #ifdef __sh__ |
36 | #include "../../arch/sh/include/asm/unistd.h" | |
37 | #if defined(__SH4A__) || defined(__SH5__) | |
38 | # define rmb() asm volatile("synco" ::: "memory") | |
39 | #else | |
40 | # define rmb() asm volatile("" ::: "memory") | |
41 | #endif | |
42 | #define cpu_relax() asm volatile("" ::: "memory") | |
fbe96f29 | 43 | #define CPUINFO_PROC "cpu type" |
febe8345 PM |
44 | #endif |
45 | ||
2d4618dc KM |
46 | #ifdef __hppa__ |
47 | #include "../../arch/parisc/include/asm/unistd.h" | |
48 | #define rmb() asm volatile("" ::: "memory") | |
49 | #define cpu_relax() asm volatile("" ::: "memory"); | |
fbe96f29 | 50 | #define CPUINFO_PROC "cpu" |
2d4618dc KM |
51 | #endif |
52 | ||
825c9fb4 JA |
53 | #ifdef __sparc__ |
54 | #include "../../arch/sparc/include/asm/unistd.h" | |
55 | #define rmb() asm volatile("":::"memory") | |
56 | #define cpu_relax() asm volatile("":::"memory") | |
fbe96f29 | 57 | #define CPUINFO_PROC "cpu" |
825c9fb4 JA |
58 | #endif |
59 | ||
fcd14b32 MC |
60 | #ifdef __alpha__ |
61 | #include "../../arch/alpha/include/asm/unistd.h" | |
62 | #define rmb() asm volatile("mb" ::: "memory") | |
63 | #define cpu_relax() asm volatile("" ::: "memory") | |
fbe96f29 | 64 | #define CPUINFO_PROC "cpu model" |
fcd14b32 MC |
65 | #endif |
66 | ||
11ada26c TL |
67 | #ifdef __ia64__ |
68 | #include "../../arch/ia64/include/asm/unistd.h" | |
69 | #define rmb() asm volatile ("mf" ::: "memory") | |
70 | #define cpu_relax() asm volatile ("hint @pause" ::: "memory") | |
fbe96f29 | 71 | #define CPUINFO_PROC "model name" |
11ada26c TL |
72 | #endif |
73 | ||
58e9f941 JI |
74 | #ifdef __arm__ |
75 | #include "../../arch/arm/include/asm/unistd.h" | |
76 | /* | |
77 | * Use the __kuser_memory_barrier helper in the CPU helper page. See | |
78 | * arch/arm/kernel/entry-armv.S in the kernel source for details. | |
79 | */ | |
da7196e1 | 80 | #define rmb() ((void(*)(void))0xffff0fa0)() |
58e9f941 | 81 | #define cpu_relax() asm volatile("":::"memory") |
fbe96f29 | 82 | #define CPUINFO_PROC "Processor" |
58e9f941 JI |
83 | #endif |
84 | ||
c1e028ef DCZ |
85 | #ifdef __mips__ |
86 | #include "../../arch/mips/include/asm/unistd.h" | |
87 | #define rmb() asm volatile( \ | |
88 | ".set mips2\n\t" \ | |
89 | "sync\n\t" \ | |
90 | ".set mips0" \ | |
91 | : /* no output */ \ | |
92 | : /* no input */ \ | |
93 | : "memory") | |
94 | #define cpu_relax() asm volatile("" ::: "memory") | |
fbe96f29 | 95 | #define CPUINFO_PROC "cpu model" |
c1e028ef DCZ |
96 | #endif |
97 | ||
1a482f38 PZ |
98 | #include <time.h> |
99 | #include <unistd.h> | |
100 | #include <sys/types.h> | |
101 | #include <sys/syscall.h> | |
102 | ||
cdd6c482 | 103 | #include "../../include/linux/perf_event.h" |
7c6a1c65 | 104 | #include "util/types.h" |
8035458f | 105 | #include <stdbool.h> |
1a482f38 | 106 | |
70082dd9 ACM |
107 | struct perf_mmap { |
108 | void *base; | |
109 | int mask; | |
110 | unsigned int prev; | |
111 | }; | |
112 | ||
113 | static inline unsigned int perf_mmap__read_head(struct perf_mmap *mm) | |
114 | { | |
115 | struct perf_event_mmap_page *pc = mm->base; | |
116 | int head = pc->data_head; | |
117 | rmb(); | |
118 | return head; | |
119 | } | |
120 | ||
115d2d89 ACM |
121 | static inline void perf_mmap__write_tail(struct perf_mmap *md, |
122 | unsigned long tail) | |
123 | { | |
124 | struct perf_event_mmap_page *pc = md->base; | |
125 | ||
126 | /* | |
127 | * ensure all reads are done before we write the tail out. | |
128 | */ | |
129 | /* mb(); */ | |
130 | pc->data_tail = tail; | |
131 | } | |
132 | ||
6eda5838 | 133 | /* |
cdd6c482 | 134 | * prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all |
6eda5838 TG |
135 | * counters in the current task. |
136 | */ | |
cdd6c482 IM |
137 | #define PR_TASK_PERF_EVENTS_DISABLE 31 |
138 | #define PR_TASK_PERF_EVENTS_ENABLE 32 | |
6eda5838 | 139 | |
a92e7023 TG |
140 | #ifndef NSEC_PER_SEC |
141 | # define NSEC_PER_SEC 1000000000ULL | |
142 | #endif | |
143 | ||
144 | static inline unsigned long long rdclock(void) | |
145 | { | |
146 | struct timespec ts; | |
147 | ||
148 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
149 | return ts.tv_sec * 1000000000ULL + ts.tv_nsec; | |
150 | } | |
6eda5838 TG |
151 | |
152 | /* | |
153 | * Pick up some kernel type conventions: | |
154 | */ | |
155 | #define __user | |
156 | #define asmlinkage | |
157 | ||
6eda5838 TG |
158 | #define unlikely(x) __builtin_expect(!!(x), 0) |
159 | #define min(x, y) ({ \ | |
160 | typeof(x) _min1 = (x); \ | |
161 | typeof(y) _min2 = (y); \ | |
162 | (void) (&_min1 == &_min2); \ | |
163 | _min1 < _min2 ? _min1 : _min2; }) | |
164 | ||
165 | static inline int | |
cdd6c482 | 166 | sys_perf_event_open(struct perf_event_attr *attr, |
6eda5838 TG |
167 | pid_t pid, int cpu, int group_fd, |
168 | unsigned long flags) | |
169 | { | |
974802ea | 170 | attr->size = sizeof(*attr); |
cdd6c482 | 171 | return syscall(__NR_perf_event_open, attr, pid, cpu, |
6eda5838 TG |
172 | group_fd, flags); |
173 | } | |
174 | ||
85a9f920 IM |
175 | #define MAX_COUNTERS 256 |
176 | #define MAX_NR_CPUS 256 | |
6eda5838 | 177 | |
8cb76d99 FW |
178 | struct ip_callchain { |
179 | u64 nr; | |
180 | u64 ips[0]; | |
f5970550 PZ |
181 | }; |
182 | ||
8035458f | 183 | extern bool perf_host, perf_guest; |
fbe96f29 | 184 | extern const char perf_version_string[]; |
a1645ce1 | 185 | |
3af6e338 ACM |
186 | void pthread__unblock_sigwinch(void); |
187 | ||
0f82ebc4 ACM |
188 | struct perf_record_opts { |
189 | pid_t target_pid; | |
190 | pid_t target_tid; | |
191 | bool call_graph; | |
192 | bool inherit_stat; | |
193 | bool no_delay; | |
194 | bool no_inherit; | |
195 | bool no_samples; | |
196 | bool raw_samples; | |
197 | bool sample_address; | |
198 | bool sample_time; | |
199 | bool sample_id_all_avail; | |
200 | bool system_wide; | |
201 | unsigned int freq; | |
202 | unsigned int user_freq; | |
203 | u64 default_interval; | |
204 | u64 user_interval; | |
205 | const char *cpu_list; | |
206 | }; | |
207 | ||
6eda5838 | 208 | #endif |