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   1 #ifndef __PERF_TRACE_EVENTS_H
   2 #define __PERF_TRACE_EVENTS_H
   3
   4 #include "parse-events.h"
   5
   6 #define __unused __attribute__((unused))
   7
   8
   9 #ifndef PAGE_MASK
  10 #define PAGE_MASK (page_size - 1)
  11 #endif
  12
  13 enum {
  14         RINGBUF_TYPE_PADDING            = 29,
  15         RINGBUF_TYPE_TIME_EXTEND        = 30,
  16         RINGBUF_TYPE_TIME_STAMP         = 31,
  17 };
  18
  19 #ifndef TS_SHIFT
  20 #define TS_SHIFT                27
  21 #endif
  22
  23 #define NSECS_PER_SEC           1000000000ULL
  24 #define NSECS_PER_USEC          1000ULL
  25
  26 enum format_flags {
  27         FIELD_IS_ARRAY          = 1,
  28         FIELD_IS_POINTER        = 2,
  29         FIELD_IS_SIGNED         = 4,
  30 };
  31
  32 struct format_field {
  33         struct format_field     *next;
  34         char                    *type;
  35         char                    *name;
  36         int                     offset;
  37         int                     size;
  38         unsigned long           flags;
  39 };
  40
  41 struct format {
  42         int                     nr_common;
  43         int                     nr_fields;
  44         struct format_field     *common_fields;
  45         struct format_field     *fields;
  46 };
  47
  48 struct print_arg_atom {
  49         char                    *atom;
  50 };
  51
  52 struct print_arg_string {
  53         char                    *string;
  54         int                     offset;
  55 };
  56
  57 struct print_arg_field {
  58         char                    *name;
  59         struct format_field     *field;
  60 };
  61
  62 struct print_flag_sym {
  63         struct print_flag_sym   *next;
  64         char                    *value;
  65         char                    *str;
  66 };
  67
  68 struct print_arg_typecast {
  69         char                    *type;
  70         struct print_arg        *item;
  71 };
  72
  73 struct print_arg_flags {
  74         struct print_arg        *field;
  75         char                    *delim;
  76         struct print_flag_sym   *flags;
  77 };
  78
  79 struct print_arg_symbol {
  80         struct print_arg        *field;
  81         struct print_flag_sym   *symbols;
  82 };
  83
  84 struct print_arg;
  85
  86 struct print_arg_op {
  87         char                    *op;
  88         int                     prio;
  89         struct print_arg        *left;
  90         struct print_arg        *right;
  91 };
  92
  93 struct print_arg_func {
  94         char                    *name;
  95         struct print_arg        *args;
  96 };
  97
  98 enum print_arg_type {
  99         PRINT_NULL,
 100         PRINT_ATOM,
 101         PRINT_FIELD,
 102         PRINT_FLAGS,
 103         PRINT_SYMBOL,
 104         PRINT_TYPE,
 105         PRINT_STRING,
 106         PRINT_OP,
 107 };
 108
 109 struct print_arg {
 110         struct print_arg                *next;
 111         enum print_arg_type             type;
 112         union {
 113                 struct print_arg_atom           atom;
 114                 struct print_arg_field          field;
 115                 struct print_arg_typecast       typecast;
 116                 struct print_arg_flags          flags;
 117                 struct print_arg_symbol         symbol;
 118                 struct print_arg_func           func;
 119                 struct print_arg_string         string;
 120                 struct print_arg_op             op;
 121         };
 122 };
 123
 124 struct print_fmt {
 125         char                    *format;
 126         struct print_arg        *args;
 127 };
 128
 129 struct event {
 130         struct event            *next;
 131         char                    *name;
 132         int                     id;
 133         int                     flags;
 134         struct format           format;
 135         struct print_fmt        print_fmt;
 136         char                    *system;
 137 };
 138
 139 enum {
 140         EVENT_FL_ISFTRACE       = 1,
 141         EVENT_FL_ISPRINT        = 2,
 142         EVENT_FL_ISBPRINT       = 4,
 143         EVENT_FL_ISFUNC         = 8,
 144         EVENT_FL_ISFUNCENT      = 16,
 145         EVENT_FL_ISFUNCRET      = 32,
 146 };
 147
 148 struct record {
 149         unsigned long long ts;
 150         int size;
 151         void *data;
 152 };
 153
 154 struct record *trace_peek_data(int cpu);
 155 struct record *trace_read_data(int cpu);
 156
 157 void parse_set_info(int nr_cpus, int long_sz);
 158
 159 void trace_report(void);
 160
 161 void *malloc_or_die(unsigned int size);
 162
 163 void parse_cmdlines(char *file, int size);
 164 void parse_proc_kallsyms(char *file, unsigned int size);
 165 void parse_ftrace_printk(char *file, unsigned int size);
 166
 167 void print_funcs(void);
 168 void print_printk(void);
 169
 170 int parse_ftrace_file(char *buf, unsigned long size);
 171 int parse_event_file(char *buf, unsigned long size, char *sys);
 172 void print_event(int cpu, void *data, int size, unsigned long long nsecs,
 173                   char *comm);
 174
 175 extern int file_bigendian;
 176 extern int host_bigendian;
 177
 178 int bigendian(void);
 179
 180 static inline unsigned short __data2host2(unsigned short data)
 181 {
 182         unsigned short swap;
 183
 184         if (host_bigendian == file_bigendian)
 185                 return data;
 186
 187         swap = ((data & 0xffULL) << 8) |
 188                 ((data & (0xffULL << 8)) >> 8);
 189
 190         return swap;
 191 }
 192
 193 static inline unsigned int __data2host4(unsigned int data)
 194 {
 195         unsigned int swap;
 196
 197         if (host_bigendian == file_bigendian)
 198                 return data;
 199
 200         swap = ((data & 0xffULL) << 24) |
 201                 ((data & (0xffULL << 8)) << 8) |
 202                 ((data & (0xffULL << 16)) >> 8) |
 203                 ((data & (0xffULL << 24)) >> 24);
 204
 205         return swap;
 206 }
 207
 208 static inline unsigned long long __data2host8(unsigned long long data)
 209 {
 210         unsigned long long swap;
 211
 212         if (host_bigendian == file_bigendian)
 213                 return data;
 214
 215         swap = ((data & 0xffULL) << 56) |
 216                 ((data & (0xffULL << 8)) << 40) |
 217                 ((data & (0xffULL << 16)) << 24) |
 218                 ((data & (0xffULL << 24)) << 8) |
 219                 ((data & (0xffULL << 32)) >> 8) |
 220                 ((data & (0xffULL << 40)) >> 24) |
 221                 ((data & (0xffULL << 48)) >> 40) |
 222                 ((data & (0xffULL << 56)) >> 56);
 223
 224         return swap;
 225 }
 226
 227 #define data2host2(ptr)         __data2host2(*(unsigned short *)ptr)
 228 #define data2host4(ptr)         __data2host4(*(unsigned int *)ptr)
 229 #define data2host8(ptr)         __data2host8(*(unsigned long long *)ptr)
 230
 231 extern int header_page_ts_offset;
 232 extern int header_page_ts_size;
 233 extern int header_page_size_offset;
 234 extern int header_page_size_size;
 235 extern int header_page_data_offset;
 236 extern int header_page_data_size;
 237
 238 int parse_header_page(char *buf, unsigned long size);
 239 int trace_parse_common_type(void *data);
 240 struct event *trace_find_event(int id);
 241 unsigned long long
 242 raw_field_value(struct event *event, const char *name, void *data);
 243 void *raw_field_ptr(struct event *event, const char *name, void *data);
 244
 245 void read_tracing_data(struct perf_event_attr *pattrs, int nb_events);
 246
 247 #endif /* __PERF_TRACE_EVENTS_H */