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