Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 | #ifndef _PERF_PERF_H #define _PERF_PERF_H #include <asm/unistd.h> #if defined(__i386__) #define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") #define cpu_relax() asm volatile("rep; nop" ::: "memory"); #define CPUINFO_PROC "model name" #ifndef __NR_perf_event_open # define __NR_perf_event_open 336 #endif #endif #if defined(__x86_64__) #define rmb() asm volatile("lfence" ::: "memory") #define cpu_relax() asm volatile("rep; nop" ::: "memory"); #define CPUINFO_PROC "model name" #ifndef __NR_perf_event_open # define __NR_perf_event_open 298 #endif #endif #ifdef __powerpc__ #include "../../arch/powerpc/include/uapi/asm/unistd.h" #define rmb() asm volatile ("sync" ::: "memory") #define cpu_relax() asm volatile ("" ::: "memory"); #define CPUINFO_PROC "cpu" #endif #ifdef __s390__ #define rmb() asm volatile("bcr 15,0" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory"); #endif #ifdef __sh__ #if defined(__SH4A__) || defined(__SH5__) # define rmb() asm volatile("synco" ::: "memory") #else # define rmb() asm volatile("" ::: "memory") #endif #define cpu_relax() asm volatile("" ::: "memory") #define CPUINFO_PROC "cpu type" #endif #ifdef __hppa__ #define rmb() asm volatile("" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory"); #define CPUINFO_PROC "cpu" #endif #ifdef __sparc__ #define rmb() asm volatile("":::"memory") #define cpu_relax() asm volatile("":::"memory") #define CPUINFO_PROC "cpu" #endif #ifdef __alpha__ #define rmb() asm volatile("mb" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory") #define CPUINFO_PROC "cpu model" #endif #ifdef __ia64__ #define rmb() asm volatile ("mf" ::: "memory") #define cpu_relax() asm volatile ("hint @pause" ::: "memory") #define CPUINFO_PROC "model name" #endif #ifdef __arm__ /* * Use the __kuser_memory_barrier helper in the CPU helper page. See * arch/arm/kernel/entry-armv.S in the kernel source for details. */ #define rmb() ((void(*)(void))0xffff0fa0)() #define cpu_relax() asm volatile("":::"memory") #define CPUINFO_PROC "Processor" #endif #ifdef __aarch64__ #define rmb() asm volatile("dmb ld" ::: "memory") #define cpu_relax() asm volatile("yield" ::: "memory") #endif #ifdef __mips__ #define rmb() asm volatile( \ ".set mips2\n\t" \ "sync\n\t" \ ".set mips0" \ : /* no output */ \ : /* no input */ \ : "memory") #define cpu_relax() asm volatile("" ::: "memory") #define CPUINFO_PROC "cpu model" #endif #ifdef __arc__ #define rmb() asm volatile("" ::: "memory") #define cpu_relax() rmb() #define CPUINFO_PROC "Processor" #endif #ifdef __metag__ #define rmb() asm volatile("" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory") #define CPUINFO_PROC "CPU" #endif #include <time.h> #include <unistd.h> #include <sys/types.h> #include <sys/syscall.h> #include <linux/perf_event.h> #include "util/types.h" #include <stdbool.h> /* * prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all * counters in the current task. */ #define PR_TASK_PERF_EVENTS_DISABLE 31 #define PR_TASK_PERF_EVENTS_ENABLE 32 #ifndef NSEC_PER_SEC # define NSEC_PER_SEC 1000000000ULL #endif #ifndef NSEC_PER_USEC # define NSEC_PER_USEC 1000ULL #endif static inline unsigned long long rdclock(void) { struct timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts); return ts.tv_sec * 1000000000ULL + ts.tv_nsec; } /* * Pick up some kernel type conventions: */ #define __user #define asmlinkage #define unlikely(x) __builtin_expect(!!(x), 0) #define min(x, y) ({ \ typeof(x) _min1 = (x); \ typeof(y) _min2 = (y); \ (void) (&_min1 == &_min2); \ _min1 < _min2 ? _min1 : _min2; }) extern bool test_attr__enabled; void test_attr__init(void); void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, int fd, int group_fd, unsigned long flags); static inline int sys_perf_event_open(struct perf_event_attr *attr, pid_t pid, int cpu, int group_fd, unsigned long flags) { int fd; fd = syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags); if (unlikely(test_attr__enabled)) test_attr__open(attr, pid, cpu, fd, group_fd, flags); return fd; } #define MAX_COUNTERS 256 #define MAX_NR_CPUS 256 struct ip_callchain { u64 nr; u64 ips[0]; }; struct branch_flags { u64 mispred:1; u64 predicted:1; u64 reserved:62; }; struct branch_entry { u64 from; u64 to; struct branch_flags flags; }; struct branch_stack { u64 nr; struct branch_entry entries[0]; }; extern const char *input_name; extern bool perf_host, perf_guest; extern const char perf_version_string[]; void pthread__unblock_sigwinch(void); #include "util/target.h" enum perf_call_graph_mode { CALLCHAIN_NONE, CALLCHAIN_FP, CALLCHAIN_DWARF }; struct perf_record_opts { struct perf_target target; int call_graph; bool group; bool inherit_stat; bool no_delay; bool no_inherit; bool no_samples; bool pipe_output; bool raw_samples; bool sample_address; bool sample_weight; bool sample_time; bool period; unsigned int freq; unsigned int mmap_pages; unsigned int user_freq; u64 branch_stack; u64 default_interval; u64 user_interval; u16 stack_dump_size; }; #endif |