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- #ifndef __TRACE_EVENTS_H
- #define __TRACE_EVENTS_H
- #include "trace.h"
- typedef int (*trace_print_func)(struct trace_seq *s, struct trace_entry *entry,
- int flags);
- struct trace_event {
- struct hlist_node node;
- int type;
- trace_print_func trace;
- trace_print_func latency_trace;
- trace_print_func raw;
- trace_print_func hex;
- trace_print_func binary;
- };
- extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...);
- extern int
- seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
- unsigned long sym_flags);
- extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
- size_t cnt);
- int trace_seq_puts(struct trace_seq *s, const char *str);
- int trace_seq_putc(struct trace_seq *s, unsigned char c);
- int trace_seq_putmem(struct trace_seq *s, void *mem, size_t len);
- int trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len);
- int trace_seq_path(struct trace_seq *s, struct path *path);
- int seq_print_userip_objs(const struct userstack_entry *entry,
- struct trace_seq *s, unsigned long sym_flags);
- int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
- unsigned long ip, unsigned long sym_flags);
- struct trace_event *ftrace_find_event(int type);
- int register_ftrace_event(struct trace_event *event);
- int unregister_ftrace_event(struct trace_event *event);
- #define MAX_MEMHEX_BYTES 8
- #define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)
- #endif
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