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review.evervolv.com / android_kernel_oneplus_msm8996 / ae6d35b9486b61c50294f88c1eb5dc1c7b74e65b / . / kernel / trace / trace_output.h
blob: c038eba0492ba182fd3276e177f8b0fe13d56a55 [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
Steven Rostedt5ef841f2009-03-19 12:20:38 -0400[diff] [blame]7extern enum print_line_t
8trace_print_bprintk_msg_only(struct trace_iterator *iter);
9extern enum print_line_t
10trace_print_printk_msg_only(struct trace_iterator *iter);
11
Frederic Weisbecker769b0442009-03-06 17:21:49 +0100[diff] [blame]12extern int
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]13seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
14 unsigned long sym_flags);
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]15extern int seq_print_userip_objs(const struct userstack_entry *entry,
16 struct trace_seq *s, unsigned long sym_flags);
17extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
18 unsigned long ip, unsigned long sym_flags);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]19
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]20extern int trace_print_context(struct trace_iterator *iter);
21extern int trace_print_lat_context(struct trace_iterator *iter);
Frederic Weisbeckerc4a8e8b2009-02-02 20:29:21 -0200[diff] [blame]22
Lai Jiangshan4f535962009-05-18 19:35:34 +0800[diff] [blame]23extern void trace_event_read_lock(void);
24extern void trace_event_read_unlock(void);
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]25extern struct trace_event *ftrace_find_event(int type);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]26
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]27extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
Steven Rostedta9a57762010-04-22 18:46:14 -0400[diff] [blame]28 int flags, struct trace_event *event);
Steven Rostedtf81c9722009-09-11 14:24:13 -0400[diff] [blame]29extern int
30trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]31
Steven Rostedt110bf2b2009-06-09 17:29:07 -0400[diff] [blame]32/* used by module unregistering */
33extern int __unregister_ftrace_event(struct trace_event *event);
34extern struct rw_semaphore trace_event_mutex;
35
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]36#define MAX_MEMHEX_BYTES 8
37#define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)
38
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]39#define SEQ_PUT_FIELD_RET(s, x) \
40do { \
41 if (!trace_seq_putmem(s, &(x), sizeof(x))) \
Lai Jiangshan6c1a99a2009-01-15 18:05:40 +0800[diff] [blame]42 return TRACE_TYPE_PARTIAL_LINE; \
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]43} while (0)
44
45#define SEQ_PUT_HEX_FIELD_RET(s, x) \
46do { \
47 BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \
48 if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \
Lai Jiangshan6c1a99a2009-01-15 18:05:40 +0800[diff] [blame]49 return TRACE_TYPE_PARTIAL_LINE; \
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]50} while (0)
51
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]52#endif
53