Loading...
1#ifndef _PERF_PERF_H
2#define _PERF_PERF_H
3
4struct winsize;
5
6void get_term_dimensions(struct winsize *ws);
7
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#define CPUINFO_PROC "model name"
13#ifndef __NR_perf_event_open
14# define __NR_perf_event_open 336
15#endif
16#endif
17
18#if defined(__x86_64__)
19#include "../../arch/x86/include/asm/unistd.h"
20#define rmb() asm volatile("lfence" ::: "memory")
21#define cpu_relax() asm volatile("rep; nop" ::: "memory");
22#define CPUINFO_PROC "model name"
23#ifndef __NR_perf_event_open
24# define __NR_perf_event_open 298
25#endif
26#endif
27
28#ifdef __powerpc__
29#include "../../arch/powerpc/include/asm/unistd.h"
30#define rmb() asm volatile ("sync" ::: "memory")
31#define cpu_relax() asm volatile ("" ::: "memory");
32#define CPUINFO_PROC "cpu"
33#endif
34
35#ifdef __s390__
36#include "../../arch/s390/include/asm/unistd.h"
37#define rmb() asm volatile("bcr 15,0" ::: "memory")
38#define cpu_relax() asm volatile("" ::: "memory");
39#endif
40
41#ifdef __sh__
42#include "../../arch/sh/include/asm/unistd.h"
43#if defined(__SH4A__) || defined(__SH5__)
44# define rmb() asm volatile("synco" ::: "memory")
45#else
46# define rmb() asm volatile("" ::: "memory")
47#endif
48#define cpu_relax() asm volatile("" ::: "memory")
49#define CPUINFO_PROC "cpu type"
50#endif
51
52#ifdef __hppa__
53#include "../../arch/parisc/include/asm/unistd.h"
54#define rmb() asm volatile("" ::: "memory")
55#define cpu_relax() asm volatile("" ::: "memory");
56#define CPUINFO_PROC "cpu"
57#endif
58
59#ifdef __sparc__
60#include "../../arch/sparc/include/asm/unistd.h"
61#define rmb() asm volatile("":::"memory")
62#define cpu_relax() asm volatile("":::"memory")
63#define CPUINFO_PROC "cpu"
64#endif
65
66#ifdef __alpha__
67#include "../../arch/alpha/include/asm/unistd.h"
68#define rmb() asm volatile("mb" ::: "memory")
69#define cpu_relax() asm volatile("" ::: "memory")
70#define CPUINFO_PROC "cpu model"
71#endif
72
73#ifdef __ia64__
74#include "../../arch/ia64/include/asm/unistd.h"
75#define rmb() asm volatile ("mf" ::: "memory")
76#define cpu_relax() asm volatile ("hint @pause" ::: "memory")
77#define CPUINFO_PROC "model name"
78#endif
79
80#ifdef __arm__
81#include "../../arch/arm/include/asm/unistd.h"
82/*
83 * Use the __kuser_memory_barrier helper in the CPU helper page. See
84 * arch/arm/kernel/entry-armv.S in the kernel source for details.
85 */
86#define rmb() ((void(*)(void))0xffff0fa0)()
87#define cpu_relax() asm volatile("":::"memory")
88#define CPUINFO_PROC "Processor"
89#endif
90
91#ifdef __mips__
92#include "../../arch/mips/include/asm/unistd.h"
93#define rmb() asm volatile( \
94 ".set mips2\n\t" \
95 "sync\n\t" \
96 ".set mips0" \
97 : /* no output */ \
98 : /* no input */ \
99 : "memory")
100#define cpu_relax() asm volatile("" ::: "memory")
101#define CPUINFO_PROC "cpu model"
102#endif
103
104#include <time.h>
105#include <unistd.h>
106#include <sys/types.h>
107#include <sys/syscall.h>
108
109#include "../../include/linux/perf_event.h"
110#include "util/types.h"
111#include <stdbool.h>
112
113struct perf_mmap {
114 void *base;
115 int mask;
116 unsigned int prev;
117};
118
119static inline unsigned int perf_mmap__read_head(struct perf_mmap *mm)
120{
121 struct perf_event_mmap_page *pc = mm->base;
122 int head = pc->data_head;
123 rmb();
124 return head;
125}
126
127static inline void perf_mmap__write_tail(struct perf_mmap *md,
128 unsigned long tail)
129{
130 struct perf_event_mmap_page *pc = md->base;
131
132 /*
133 * ensure all reads are done before we write the tail out.
134 */
135 /* mb(); */
136 pc->data_tail = tail;
137}
138
139/*
140 * prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all
141 * counters in the current task.
142 */
143#define PR_TASK_PERF_EVENTS_DISABLE 31
144#define PR_TASK_PERF_EVENTS_ENABLE 32
145
146#ifndef NSEC_PER_SEC
147# define NSEC_PER_SEC 1000000000ULL
148#endif
149
150static inline unsigned long long rdclock(void)
151{
152 struct timespec ts;
153
154 clock_gettime(CLOCK_MONOTONIC, &ts);
155 return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
156}
157
158/*
159 * Pick up some kernel type conventions:
160 */
161#define __user
162#define asmlinkage
163
164#define unlikely(x) __builtin_expect(!!(x), 0)
165#define min(x, y) ({ \
166 typeof(x) _min1 = (x); \
167 typeof(y) _min2 = (y); \
168 (void) (&_min1 == &_min2); \
169 _min1 < _min2 ? _min1 : _min2; })
170
171static inline int
172sys_perf_event_open(struct perf_event_attr *attr,
173 pid_t pid, int cpu, int group_fd,
174 unsigned long flags)
175{
176 return syscall(__NR_perf_event_open, attr, pid, cpu,
177 group_fd, flags);
178}
179
180#define MAX_COUNTERS 256
181#define MAX_NR_CPUS 256
182
183struct ip_callchain {
184 u64 nr;
185 u64 ips[0];
186};
187
188struct branch_flags {
189 u64 mispred:1;
190 u64 predicted:1;
191 u64 reserved:62;
192};
193
194struct branch_entry {
195 u64 from;
196 u64 to;
197 struct branch_flags flags;
198};
199
200struct branch_stack {
201 u64 nr;
202 struct branch_entry entries[0];
203};
204
205extern bool perf_host, perf_guest;
206extern const char perf_version_string[];
207
208void pthread__unblock_sigwinch(void);
209
210#include "util/target.h"
211
212struct perf_record_opts {
213 struct perf_target target;
214 bool call_graph;
215 bool group;
216 bool inherit_stat;
217 bool no_delay;
218 bool no_inherit;
219 bool no_samples;
220 bool pipe_output;
221 bool raw_samples;
222 bool sample_address;
223 bool sample_time;
224 bool sample_id_all_missing;
225 bool exclude_guest_missing;
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};
234
235#endif
1#ifndef _PERF_PERF_H
2#define _PERF_PERF_H
3
4#include <time.h>
5#include <stdbool.h>
6#include <linux/types.h>
7#include <linux/perf_event.h>
8
9extern bool test_attr__enabled;
10void test_attr__init(void);
11void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
12 int fd, int group_fd, unsigned long flags);
13
14#define HAVE_ATTR_TEST
15#include "perf-sys.h"
16
17#ifndef NSEC_PER_SEC
18# define NSEC_PER_SEC 1000000000ULL
19#endif
20#ifndef NSEC_PER_USEC
21# define NSEC_PER_USEC 1000ULL
22#endif
23
24static inline unsigned long long rdclock(void)
25{
26 struct timespec ts;
27
28 clock_gettime(CLOCK_MONOTONIC, &ts);
29 return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
30}
31
32#define MAX_NR_CPUS 1024
33
34extern const char *input_name;
35extern bool perf_host, perf_guest;
36extern const char perf_version_string[];
37
38void pthread__unblock_sigwinch(void);
39
40#include "util/target.h"
41
42struct record_opts {
43 struct target target;
44 bool group;
45 bool inherit_stat;
46 bool no_buffering;
47 bool no_inherit;
48 bool no_inherit_set;
49 bool no_samples;
50 bool raw_samples;
51 bool sample_address;
52 bool sample_weight;
53 bool sample_time;
54 bool sample_time_set;
55 bool callgraph_set;
56 bool period;
57 bool running_time;
58 bool full_auxtrace;
59 bool auxtrace_snapshot_mode;
60 bool record_switch_events;
61 bool all_kernel;
62 bool all_user;
63 unsigned int freq;
64 unsigned int mmap_pages;
65 unsigned int auxtrace_mmap_pages;
66 unsigned int user_freq;
67 u64 branch_stack;
68 u64 sample_intr_regs;
69 u64 default_interval;
70 u64 user_interval;
71 size_t auxtrace_snapshot_size;
72 const char *auxtrace_snapshot_opts;
73 bool sample_transaction;
74 unsigned initial_delay;
75 bool use_clockid;
76 clockid_t clockid;
77 unsigned int proc_map_timeout;
78};
79
80struct option;
81extern const char * const *record_usage;
82extern struct option *record_options;
83#endif