1 #ifndef _PERF_PERF_H 2 #define _PERF_PERF_H 3 4 struct winsize; 5 6 void 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> 112 113 struct perf_mmap { 114 void *base; 115 int mask; 116 unsigned int prev; 117 }; 118 119 static 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 } 126 127 static 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 149 150 static 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; }) 170 171 static inline int 172 sys_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 256 182 183 struct ip_callchain { 184 u64 nr; 185 u64 ips[0]; 186 }; 187 188 struct branch_flags { 189 u64 mispred:1; 190 u64 predicted:1; 191 u64 reserved:62; 192 }; 193 194 struct branch_entry { 195 u64 from; 196 u64 to; 197 struct branch_flags flags; 198 }; 199 200 struct branch_stack { 201 u64 nr; 202 struct branch_entry entries[0]; 203 }; 204 205 extern bool perf_host, perf_guest; 206 extern const char perf_version_string[]; 207 208 void pthread__unblock_sigwinch(void); 209 210 #include "util/target.h" 211 212 struct 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 236