1#ifndef _PERF_PERF_H
2#define _PERF_PERF_H
3
4#include <asm/unistd.h>
5
6#if defined(__i386__)
7#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
8#define cpu_relax() asm volatile("rep; nop" ::: "memory");
9#define CPUINFO_PROC "model name"
10#ifndef __NR_perf_event_open
11# define __NR_perf_event_open 336
12#endif
13#endif
14
15#if defined(__x86_64__)
16#define rmb() asm volatile("lfence" ::: "memory")
17#define cpu_relax() asm volatile("rep; nop" ::: "memory");
18#define CPUINFO_PROC "model name"
19#ifndef __NR_perf_event_open
20# define __NR_perf_event_open 298
21#endif
22#endif
23
24#ifdef __powerpc__
25#include "../../arch/powerpc/include/uapi/asm/unistd.h"
26#define rmb() asm volatile ("sync" ::: "memory")
27#define cpu_relax() asm volatile ("" ::: "memory");
28#define CPUINFO_PROC "cpu"
29#endif
30
31#ifdef __s390__
32#define rmb() asm volatile("bcr 15,0" ::: "memory")
33#define cpu_relax() asm volatile("" ::: "memory");
34#endif
35
36#ifdef __sh__
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")
43#define CPUINFO_PROC "cpu type"
44#endif
45
46#ifdef __hppa__
47#define rmb() asm volatile("" ::: "memory")
48#define cpu_relax() asm volatile("" ::: "memory");
49#define CPUINFO_PROC "cpu"
50#endif
51
52#ifdef __sparc__
53#define rmb() asm volatile("":::"memory")
54#define cpu_relax() asm volatile("":::"memory")
55#define CPUINFO_PROC "cpu"
56#endif
57
58#ifdef __alpha__
59#define rmb() asm volatile("mb" ::: "memory")
60#define cpu_relax() asm volatile("" ::: "memory")
61#define CPUINFO_PROC "cpu model"
62#endif
63
64#ifdef __ia64__
65#define rmb() asm volatile ("mf" ::: "memory")
66#define cpu_relax() asm volatile ("hint @pause" ::: "memory")
67#define CPUINFO_PROC "model name"
68#endif
69
70#ifdef __arm__
71
72
73
74
75#define rmb() ((void(*)(void))0xffff0fa0)()
76#define cpu_relax() asm volatile("":::"memory")
77#define CPUINFO_PROC "Processor"
78#endif
79
80#ifdef __aarch64__
81#define rmb() asm volatile("dmb ld" ::: "memory")
82#define cpu_relax() asm volatile("yield" ::: "memory")
83#endif
84
85#ifdef __mips__
86#define rmb() asm volatile( \
87 ".set mips2\n\t" \
88 "sync\n\t" \
89 ".set mips0" \
90 : \
91 : \
92 : "memory")
93#define cpu_relax() asm volatile("" ::: "memory")
94#define CPUINFO_PROC "cpu model"
95#endif
96
97#ifdef __arc__
98#define rmb() asm volatile("" ::: "memory")
99#define cpu_relax() rmb()
100#define CPUINFO_PROC "Processor"
101#endif
102
103#ifdef __metag__
104#define rmb() asm volatile("" ::: "memory")
105#define cpu_relax() asm volatile("" ::: "memory")
106#define CPUINFO_PROC "CPU"
107#endif
108
109#include <time.h>
110#include <unistd.h>
111#include <sys/types.h>
112#include <sys/syscall.h>
113
114#include <linux/perf_event.h>
115#include "util/types.h"
116#include <stdbool.h>
117
118
119
120
121
122#define PR_TASK_PERF_EVENTS_DISABLE 31
123#define PR_TASK_PERF_EVENTS_ENABLE 32
124
125#ifndef NSEC_PER_SEC
126# define NSEC_PER_SEC 1000000000ULL
127#endif
128#ifndef NSEC_PER_USEC
129# define NSEC_PER_USEC 1000ULL
130#endif
131
132static inline unsigned long long rdclock(void)
133{
134 struct timespec ts;
135
136 clock_gettime(CLOCK_MONOTONIC, &ts);
137 return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
138}
139
140
141
142
143#define __user
144#define asmlinkage
145
146#define unlikely(x) __builtin_expect(!!(x), 0)
147#define min(x, y) ({ \
148 typeof(x) _min1 = (x); \
149 typeof(y) _min2 = (y); \
150 (void) (&_min1 == &_min2); \
151 _min1 < _min2 ? _min1 : _min2; })
152
153extern bool test_attr__enabled;
154void test_attr__init(void);
155void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
156 int fd, int group_fd, unsigned long flags);
157
158static inline int
159sys_perf_event_open(struct perf_event_attr *attr,
160 pid_t pid, int cpu, int group_fd,
161 unsigned long flags)
162{
163 int fd;
164
165 fd = syscall(__NR_perf_event_open, attr, pid, cpu,
166 group_fd, flags);
167
168 if (unlikely(test_attr__enabled))
169 test_attr__open(attr, pid, cpu, fd, group_fd, flags);
170
171 return fd;
172}
173
174#define MAX_COUNTERS 256
175#define MAX_NR_CPUS 256
176
177struct ip_callchain {
178 u64 nr;
179 u64 ips[0];
180};
181
182struct branch_flags {
183 u64 mispred:1;
184 u64 predicted:1;
185 u64 reserved:62;
186};
187
188struct branch_entry {
189 u64 from;
190 u64 to;
191 struct branch_flags flags;
192};
193
194struct branch_stack {
195 u64 nr;
196 struct branch_entry entries[0];
197};
198
199extern const char *input_name;
200extern bool perf_host, perf_guest;
201extern const char perf_version_string[];
202
203void pthread__unblock_sigwinch(void);
204
205#include "util/target.h"
206
207enum perf_call_graph_mode {
208 CALLCHAIN_NONE,
209 CALLCHAIN_FP,
210 CALLCHAIN_DWARF
211};
212
213struct perf_record_opts {
214 struct perf_target target;
215 int call_graph;
216 bool group;
217 bool inherit_stat;
218 bool no_delay;
219 bool no_inherit;
220 bool no_samples;
221 bool pipe_output;
222 bool raw_samples;
223 bool sample_address;
224 bool sample_weight;
225 bool sample_time;
226 bool period;
227 unsigned int freq;
228 unsigned int mmap_pages;
229 unsigned int user_freq;
230 u64 branch_stack;
231 u64 default_interval;
232 u64 user_interval;
233 u16 stack_dump_size;
234};
235
236#endif
237
