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review.evervolv.com / android_kernel_oneplus_msm8996 / 9504504cbab29ecb694186b1c5b15d3579c43c51 / . / kernel / trace / trace_output.h
blob: 5c7cbfb65c7135e699cbc0d9aced0249f61bf9f2 [file] [log] [blame]
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]1#ifndef __TRACE_EVENTS_H
2#define __TRACE_EVENTS_H
3
Steven Rostedt95045042009-04-11 12:59:57 -0400[diff] [blame^]4#include <linux/trace_seq.h>
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]5#include "trace.h"
6
Arnaldo Carvalho de Meloae7462b2009-02-03 22:05:50 -0200[diff] [blame]7typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter,
8 int flags);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]9
10struct trace_event {
11 struct hlist_node node;
12 int type;
13 trace_print_func trace;
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]14 trace_print_func raw;
15 trace_print_func hex;
16 trace_print_func binary;
17};
18
Steven Rostedt5ef841f2009-03-19 12:20:38 -0400[diff] [blame]19extern enum print_line_t
20trace_print_bprintk_msg_only(struct trace_iterator *iter);
21extern enum print_line_t
22trace_print_printk_msg_only(struct trace_iterator *iter);
23
Frederic Weisbecker769b0442009-03-06 17:21:49 +0100[diff] [blame]24extern int
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]25seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
26 unsigned long sym_flags);
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]27extern int seq_print_userip_objs(const struct userstack_entry *entry,
28 struct trace_seq *s, unsigned long sym_flags);
29extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
30 unsigned long ip, unsigned long sym_flags);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]31
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]32extern int trace_print_context(struct trace_iterator *iter);
33extern int trace_print_lat_context(struct trace_iterator *iter);
Frederic Weisbeckerc4a8e8b2009-02-02 20:29:21 -0200[diff] [blame]34
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]35extern struct trace_event *ftrace_find_event(int type);
36extern int register_ftrace_event(struct trace_event *event);
37extern int unregister_ftrace_event(struct trace_event *event);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]38
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]39extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
40 int flags);
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]41
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]42#define MAX_MEMHEX_BYTES 8
43#define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)
44
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]45#define SEQ_PUT_FIELD_RET(s, x) \
46do { \
47 if (!trace_seq_putmem(s, &(x), sizeof(x))) \
Lai Jiangshan6c1a99a2009-01-15 18:05:40 +0800[diff] [blame]48 return TRACE_TYPE_PARTIAL_LINE; \
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]49} while (0)
50
51#define SEQ_PUT_HEX_FIELD_RET(s, x) \
52do { \
53 BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \
54 if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \
Lai Jiangshan6c1a99a2009-01-15 18:05:40 +0800[diff] [blame]55 return TRACE_TYPE_PARTIAL_LINE; \
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]56} while (0)
57
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]58#endif
59