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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / 621c2559c16fc703e24fc0e3ffad28d5477b49c7 / . / kernel / trace / trace_output.h
blob: e0bde39c2dd9b00ab8ac5388aa0b5168fe5f37d2 [file] [log] [blame]
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]1#ifndef __TRACE_EVENTS_H
2#define __TRACE_EVENTS_H
3
4#include "trace.h"
5
Arnaldo Carvalho de Meloae7462b2009-02-03 22:05:50 -0200[diff] [blame]6typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter,
7 int flags);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]8
9struct trace_event {
10 struct hlist_node node;
11 int type;
12 trace_print_func trace;
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]13 trace_print_func raw;
14 trace_print_func hex;
15 trace_print_func binary;
16};
17
Steven Rostedt5ef841f2009-03-19 12:20:38 -0400[diff] [blame]18extern enum print_line_t
19trace_print_bprintk_msg_only(struct trace_iterator *iter);
20extern enum print_line_t
21trace_print_printk_msg_only(struct trace_iterator *iter);
22
Steven Rostedtc37abc52009-01-15 20:50:54 -0500[diff] [blame]23extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
24 __attribute__ ((format (printf, 2, 3)));
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]25extern int
Frederic Weisbecker769b0442009-03-06 17:21:49 +0100[diff] [blame]26trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary);
27extern int
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]28seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
29 unsigned long sym_flags);
30extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
31 size_t cnt);
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]32extern int trace_seq_puts(struct trace_seq *s, const char *str);
33extern int trace_seq_putc(struct trace_seq *s, unsigned char c);
Li Zefanb14b70a2009-03-27 10:21:00 +0800[diff] [blame]34extern int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len);
35extern int trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
36 size_t len);
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]37extern void *trace_seq_reserve(struct trace_seq *s, size_t len);
38extern int trace_seq_path(struct trace_seq *s, struct path *path);
39extern int seq_print_userip_objs(const struct userstack_entry *entry,
40 struct trace_seq *s, unsigned long sym_flags);
41extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
42 unsigned long ip, unsigned long sym_flags);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]43
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]44extern int trace_print_context(struct trace_iterator *iter);
45extern int trace_print_lat_context(struct trace_iterator *iter);
Frederic Weisbeckerc4a8e8b2009-02-02 20:29:21 -0200[diff] [blame]46
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]47extern struct trace_event *ftrace_find_event(int type);
48extern int register_ftrace_event(struct trace_event *event);
49extern int unregister_ftrace_event(struct trace_event *event);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]50
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]51extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
52 int flags);
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]53
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]54#define MAX_MEMHEX_BYTES 8
55#define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)
56
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]57#define SEQ_PUT_FIELD_RET(s, x) \
58do { \
59 if (!trace_seq_putmem(s, &(x), sizeof(x))) \
Lai Jiangshan6c1a99a2009-01-15 18:05:40 +0800[diff] [blame]60 return TRACE_TYPE_PARTIAL_LINE; \
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]61} while (0)
62
63#define SEQ_PUT_HEX_FIELD_RET(s, x) \
64do { \
65 BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \
66 if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \
Lai Jiangshan6c1a99a2009-01-15 18:05:40 +0800[diff] [blame]67 return TRACE_TYPE_PARTIAL_LINE; \
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]68} while (0)
69
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]70#endif
71