#ifndef __PERF_TRACE_EVENTS_H
#define __PERF_TRACE_EVENTS_H
#include <stdbool.h>
#include "parse-events.h"
#define __unused __attribute__((unused))
#ifndef PAGE_MASK
#define PAGE_MASK (page_size - 1)
#endif
enum {
RINGBUF_TYPE_PADDING = 29,
RINGBUF_TYPE_TIME_EXTEND = 30,
RINGBUF_TYPE_TIME_STAMP = 31,
};
#ifndef TS_SHIFT
#define TS_SHIFT 27
#endif
#define NSECS_PER_SEC 1000000000ULL
#define NSECS_PER_USEC 1000ULL
enum format_flags {
FIELD_IS_ARRAY = 1,
FIELD_IS_POINTER = 2,
FIELD_IS_SIGNED = 4,
FIELD_IS_STRING = 8,
FIELD_IS_DYNAMIC = 16,
FIELD_IS_FLAG = 32,
FIELD_IS_SYMBOLIC = 64,
};
struct format_field {
struct format_field *next;
char *type;
char *name;
int offset;
int size;
unsigned long flags;
};
struct format {
int nr_common;
int nr_fields;
struct format_field *common_fields;
struct format_field *fields;
};
struct print_arg_atom {
char *atom;
};
struct print_arg_string {
char *string;
int offset;
};
struct print_arg_field {
char *name;
struct format_field *field;
};
struct print_flag_sym {
struct print_flag_sym *next;
char *value;
char *str;
};
struct print_arg_typecast {
char *type;
struct print_arg *item;
};
struct print_arg_flags {
struct print_arg *field;
char *delim;
struct print_flag_sym *flags;
};
struct print_arg_symbol {
struct print_arg *field;
struct print_flag_sym *symbols;
};
struct print_arg;
struct print_arg_op {
char *op;
int prio;
struct print_arg *left;
struct print_arg *right;
};
struct print_arg_func {
char *name;
struct print_arg *args;
};
enum print_arg_type {
PRINT_NULL,
PRINT_ATOM,
PRINT_FIELD,
PRINT_FLAGS,
PRINT_SYMBOL,
PRINT_TYPE,
PRINT_STRING,
PRINT_OP,
};
struct print_arg {
struct print_arg *next;
enum print_arg_type type;
union {
struct print_arg_atom atom;
struct print_arg_field field;
struct print_arg_typecast typecast;
struct print_arg_flags flags;
struct print_arg_symbol symbol;
struct print_arg_func func;
struct print_arg_string string;
struct print_arg_op op;
};
};
struct print_fmt {
char *format;
struct print_arg *args;
};
struct event {
struct event *next;
char *name;
int id;
int flags;
struct format format;
struct print_fmt print_fmt;
char *system;
};
enum {
EVENT_FL_ISFTRACE = 0x01,
EVENT_FL_ISPRINT = 0x02,
EVENT_FL_ISBPRINT = 0x04,
EVENT_FL_ISFUNC = 0x08,
EVENT_FL_ISFUNCENT = 0x10,
EVENT_FL_ISFUNCRET = 0x20,
EVENT_FL_FAILED = 0x80000000
};
struct record {
unsigned long long ts;
int size;
void *data;
};
struct record *trace_peek_data(int cpu);
struct record *trace_read_data(int cpu);
void parse_set_info(int nr_cpus, int long_sz);
ssize_t trace_report(int fd);
void *malloc_or_die(unsigned int size);
void parse_cmdlines(char *file, int size);
void parse_proc_kallsyms(char *file, unsigned int size);
void parse_ftrace_printk(char *file, unsigned int size);
void print_funcs(void);
void print_printk(void);
int parse_ftrace_file(char *buf, unsigned long size);
int parse_event_file(char *buf, unsigned long size, char *sys);
void print_event(int cpu, void *data, int size, unsigned long long nsecs,
char *comm);
extern int file_bigendian;
extern int host_bigendian;
int bigendian(void);
static inline unsigned short __data2host2(unsigned short data)
{
unsigned short swap;
if (host_bigendian == file_bigendian)
return data;
swap = ((data & 0xffULL) << 8) |
((data & (0xffULL << 8)) >> 8);
return swap;
}
static inline unsigned int __data2host4(unsigned int data)
{
unsigned int swap;
if (host_bigendian == file_bigendian)
return data;
swap = ((data & 0xffULL) << 24) |
((data & (0xffULL << 8)) << 8) |
((data & (0xffULL << 16)) >> 8) |
((data & (0xffULL << 24)) >> 24);
return swap;
}
static inline unsigned long long __data2host8(unsigned long long data)
{
unsigned long long swap;
if (host_bigendian == file_bigendian)
return data;
swap = ((data & 0xffULL) << 56) |
((data & (0xffULL << 8)) << 40) |
((data & (0xffULL << 16)) << 24) |
((data & (0xffULL << 24)) << 8) |
((data & (0xffULL << 32)) >> 8) |
((data & (0xffULL << 40)) >> 24) |
((data & (0xffULL << 48)) >> 40) |
((data & (0xffULL << 56)) >> 56);
return swap;
}
#define data2host2(ptr) __data2host2(*(unsigned short *)ptr)
#define data2host4(ptr) __data2host4(*(unsigned int *)ptr)
#define data2host8(ptr) __data2host8(*(unsigned long long *)ptr)
extern int header_page_ts_offset;
extern int header_page_ts_size;
extern int header_page_size_offset;
extern int header_page_size_size;
extern int header_page_data_offset;
extern int header_page_data_size;
extern bool latency_format;
int parse_header_page(char *buf, unsigned long size);
int trace_parse_common_type(void *data);
int trace_parse_common_pid(void *data);
int parse_common_pc(void *data);
int parse_common_flags(void *data);
int parse_common_lock_depth(void *data);
struct event *trace_find_event(int id);
struct event *trace_find_next_event(struct event *event);
unsigned long long read_size(void *ptr, int size);
unsigned long long
raw_field_value(struct event *event, const char *name, void *data);
void *raw_field_ptr(struct event *event, const char *name, void *data);
unsigned long long eval_flag(const char *flag);
int read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events);
ssize_t read_tracing_data_size(int fd, struct perf_event_attr *pattrs,
int nb_events);
/* taken from kernel/trace/trace.h */
enum trace_flag_type {
TRACE_FLAG_IRQS_OFF = 0x01,
TRACE_FLAG_IRQS_NOSUPPORT = 0x02,
TRACE_FLAG_NEED_RESCHED = 0x04,
TRACE_FLAG_HARDIRQ = 0x08,
TRACE_FLAG_SOFTIRQ = 0x10,
};
struct scripting_ops {
const char *name;
int (*start_script) (const char *script, int argc, const char **argv);
int (*stop_script) (void);
void (*process_event) (int cpu, void *data, int size,
unsigned long long nsecs, char *comm);
int (*generate_script) (const char *outfile);
};
int script_spec_register(const char *spec, struct scripting_ops *ops);
void setup_perl_scripting(void);
void setup_python_scripting(void);
struct scripting_context {
void *event_data;
};
int common_pc(struct scripting_context *context);
int common_flags(struct scripting_context *context);
int common_lock_depth(struct scripting_context *context);
#endif /* __PERF_TRACE_EVENTS_H */
