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authorFrederic Weisbecker <fweisbec@gmail.com>2009-09-23 17:08:43 -0400
committerFrederic Weisbecker <fweisbec@gmail.com>2009-09-23 17:08:43 -0400
commitd7a4b414eed51f1653bb05ebe84122bf9a7ae18b (patch)
treebd6603a0c27de4c138a1767871897e9cd3e1a1d2 /kernel/trace/trace.h
parent1f0ab40976460bc4673fa204ce917a725185d8f2 (diff)
parenta724eada8c2a7b62463b73ccf73fd0bb6e928aeb (diff)
Merge commit 'linus/master' into tracing/kprobes
Conflicts: kernel/trace/Makefile kernel/trace/trace.h kernel/trace/trace_event_types.h kernel/trace/trace_export.c Merge reason: Sync with latest significant tracing core changes.
Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r--kernel/trace/trace.h280
1 files changed, 77 insertions, 203 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 821064914c80..104c1a72418f 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -7,10 +7,10 @@
7#include <linux/clocksource.h> 7#include <linux/clocksource.h>
8#include <linux/ring_buffer.h> 8#include <linux/ring_buffer.h>
9#include <linux/mmiotrace.h> 9#include <linux/mmiotrace.h>
10#include <linux/tracepoint.h>
10#include <linux/ftrace.h> 11#include <linux/ftrace.h>
11#include <trace/boot.h> 12#include <trace/boot.h>
12#include <linux/kmemtrace.h> 13#include <linux/kmemtrace.h>
13#include <trace/power.h>
14 14
15#include <linux/trace_seq.h> 15#include <linux/trace_seq.h>
16#include <linux/ftrace_event.h> 16#include <linux/ftrace_event.h>
@@ -36,163 +36,59 @@ enum trace_type {
36 TRACE_HW_BRANCHES, 36 TRACE_HW_BRANCHES,
37 TRACE_KMEM_ALLOC, 37 TRACE_KMEM_ALLOC,
38 TRACE_KMEM_FREE, 38 TRACE_KMEM_FREE,
39 TRACE_POWER,
40 TRACE_BLK, 39 TRACE_BLK,
41 40
42 __TRACE_LAST_TYPE, 41 __TRACE_LAST_TYPE,
43}; 42};
44 43
45/* 44enum kmemtrace_type_id {
46 * Function trace entry - function address and parent function addres: 45 KMEMTRACE_TYPE_KMALLOC = 0, /* kmalloc() or kfree(). */
47 */ 46 KMEMTRACE_TYPE_CACHE, /* kmem_cache_*(). */
48struct ftrace_entry { 47 KMEMTRACE_TYPE_PAGES, /* __get_free_pages() and friends. */
49 struct trace_entry ent;
50 unsigned long ip;
51 unsigned long parent_ip;
52};
53
54/* Function call entry */
55struct ftrace_graph_ent_entry {
56 struct trace_entry ent;
57 struct ftrace_graph_ent graph_ent;
58}; 48};
59 49
60/* Function return entry */
61struct ftrace_graph_ret_entry {
62 struct trace_entry ent;
63 struct ftrace_graph_ret ret;
64};
65extern struct tracer boot_tracer; 50extern struct tracer boot_tracer;
66 51
67/* 52#undef __field
68 * Context switch trace entry - which task (and prio) we switched from/to: 53#define __field(type, item) type item;
69 */
70struct ctx_switch_entry {
71 struct trace_entry ent;
72 unsigned int prev_pid;
73 unsigned char prev_prio;
74 unsigned char prev_state;
75 unsigned int next_pid;
76 unsigned char next_prio;
77 unsigned char next_state;
78 unsigned int next_cpu;
79};
80
81/*
82 * Special (free-form) trace entry:
83 */
84struct special_entry {
85 struct trace_entry ent;
86 unsigned long arg1;
87 unsigned long arg2;
88 unsigned long arg3;
89};
90
91/*
92 * Stack-trace entry:
93 */
94
95#define FTRACE_STACK_ENTRIES 8
96 54
97struct stack_entry { 55#undef __field_struct
98 struct trace_entry ent; 56#define __field_struct(type, item) __field(type, item)
99 unsigned long caller[FTRACE_STACK_ENTRIES];
100};
101 57
102struct userstack_entry { 58#undef __field_desc
103 struct trace_entry ent; 59#define __field_desc(type, container, item)
104 unsigned long caller[FTRACE_STACK_ENTRIES];
105};
106 60
107/* 61#undef __array
108 * trace_printk entry: 62#define __array(type, item, size) type item[size];
109 */
110struct bprint_entry {
111 struct trace_entry ent;
112 unsigned long ip;
113 const char *fmt;
114 u32 buf[];
115};
116 63
117struct print_entry { 64#undef __array_desc
118 struct trace_entry ent; 65#define __array_desc(type, container, item, size)
119 unsigned long ip;
120 char buf[];
121};
122
123#define TRACE_OLD_SIZE 88
124
125struct trace_field_cont {
126 unsigned char type;
127 /* Temporary till we get rid of this completely */
128 char buf[TRACE_OLD_SIZE - 1];
129};
130 66
131struct trace_mmiotrace_rw { 67#undef __dynamic_array
132 struct trace_entry ent; 68#define __dynamic_array(type, item) type item[];
133 struct mmiotrace_rw rw;
134};
135 69
136struct trace_mmiotrace_map { 70#undef F_STRUCT
137 struct trace_entry ent; 71#define F_STRUCT(args...) args
138 struct mmiotrace_map map;
139};
140
141struct trace_boot_call {
142 struct trace_entry ent;
143 struct boot_trace_call boot_call;
144};
145 72
146struct trace_boot_ret { 73#undef FTRACE_ENTRY
147 struct trace_entry ent; 74#define FTRACE_ENTRY(name, struct_name, id, tstruct, print) \
148 struct boot_trace_ret boot_ret; 75 struct struct_name { \
149}; 76 struct trace_entry ent; \
77 tstruct \
78 }
150 79
151#define TRACE_FUNC_SIZE 30 80#undef TP_ARGS
152#define TRACE_FILE_SIZE 20 81#define TP_ARGS(args...) args
153struct trace_branch {
154 struct trace_entry ent;
155 unsigned line;
156 char func[TRACE_FUNC_SIZE+1];
157 char file[TRACE_FILE_SIZE+1];
158 char correct;
159};
160 82
161struct hw_branch_entry { 83#undef FTRACE_ENTRY_DUP
162 struct trace_entry ent; 84#define FTRACE_ENTRY_DUP(name, name_struct, id, tstruct, printk)
163 u64 from;
164 u64 to;
165};
166 85
167struct trace_power { 86#include "trace_entries.h"
168 struct trace_entry ent;
169 struct power_trace state_data;
170};
171
172enum kmemtrace_type_id {
173 KMEMTRACE_TYPE_KMALLOC = 0, /* kmalloc() or kfree(). */
174 KMEMTRACE_TYPE_CACHE, /* kmem_cache_*(). */
175 KMEMTRACE_TYPE_PAGES, /* __get_free_pages() and friends. */
176};
177
178struct kmemtrace_alloc_entry {
179 struct trace_entry ent;
180 enum kmemtrace_type_id type_id;
181 unsigned long call_site;
182 const void *ptr;
183 size_t bytes_req;
184 size_t bytes_alloc;
185 gfp_t gfp_flags;
186 int node;
187};
188