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 * Use the __kuser_memory_barrier helper in the CPU helper page. See 73 * arch/arm/kernel/entry-armv.S in the kernel source for details. 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 : /* no output */ \ 91 : /* no input */ \ 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 * prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all 120 * counters in the current task. 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 * Pick up some kernel type conventions: 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