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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / 52f6ad6dc3f4c6de598fe7cc9b629888d624aa52 / . / kernel / trace / trace_output.h
blob: 127a9d8c83579d5b27c21af678b7cd3b3d4e56a3 [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
Steven Rostedt (Red Hat)09ae7232013-03-08 21:02:34 -0500[diff] [blame]8trace_print_bputs_msg_only(struct trace_iterator *iter);
9extern enum print_line_t
Steven Rostedt5ef841f2009-03-19 12:20:38 -0400[diff] [blame]10trace_print_bprintk_msg_only(struct trace_iterator *iter);
11extern enum print_line_t
12trace_print_printk_msg_only(struct trace_iterator *iter);
13
Frederic Weisbecker769b0442009-03-06 17:21:49 +0100[diff] [blame]14extern int
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]15seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
16 unsigned long sym_flags);
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]17extern int seq_print_userip_objs(const struct userstack_entry *entry,
18 struct trace_seq *s, unsigned long sym_flags);
19extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
20 unsigned long ip, unsigned long sym_flags);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]21
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]22extern int trace_print_context(struct trace_iterator *iter);
23extern int trace_print_lat_context(struct trace_iterator *iter);
Frederic Weisbeckerc4a8e8b2009-02-02 20:29:21 -0200[diff] [blame]24
Lai Jiangshan4f535962009-05-18 19:35:34 +0800[diff] [blame]25extern void trace_event_read_lock(void);
26extern void trace_event_read_unlock(void);
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]27extern struct trace_event *ftrace_find_event(int type);
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]28
Eduard - Gabriel Munteanuf2859012009-03-23 15:12:23 +0200[diff] [blame]29extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
Steven Rostedta9a57762010-04-22 18:46:14 -0400[diff] [blame]30 int flags, struct trace_event *event);
Steven Rostedtf81c9722009-09-11 14:24:13 -0400[diff] [blame]31extern int
32trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]33
Steven Rostedt110bf2b2009-06-09 17:29:07 -0400[diff] [blame]34/* used by module unregistering */
35extern int __unregister_ftrace_event(struct trace_event *event);
zhangwei(Jovi)52f6ad62013-03-11 15:14:03 +0800[diff] [blame^]36extern struct rw_semaphore trace_event_sem;
Steven Rostedt110bf2b2009-06-09 17:29:07 -0400[diff] [blame]37
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]38#define MAX_MEMHEX_BYTES 8
39#define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)
40
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]41#define SEQ_PUT_FIELD_RET(s, x) \
42do { \
43 if (!trace_seq_putmem(s, &(x), sizeof(x))) \
Lai Jiangshan6c1a99a2009-01-15 18:05:40 +0800[diff] [blame]44 return TRACE_TYPE_PARTIAL_LINE; \
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]45} while (0)
46
47#define SEQ_PUT_HEX_FIELD_RET(s, x) \
48do { \
49 BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \
50 if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \
Lai Jiangshan6c1a99a2009-01-15 18:05:40 +0800[diff] [blame]51 return TRACE_TYPE_PARTIAL_LINE; \
Steven Rostedtf633cef2008-12-23 23:24:13 -0500[diff] [blame]52} while (0)
53
Steven Rostedtf0868d12008-12-23 23:24:12 -0500[diff] [blame]54#endif
55