blob: e7ff0d02c0d484d4557fece861196c98e4bc309a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
#ifndef _PROBE_EVENT_H
#define _PROBE_EVENT_H
#include <stdbool.h>
#include "strlist.h"
extern bool probe_event_dry_run;
/* kprobe-tracer tracing point */
struct kprobe_trace_point {
char *symbol; /* Base symbol */
unsigned long offset; /* Offset from symbol */
bool retprobe; /* Return probe flag */
};
/* kprobe-tracer tracing argument referencing offset */
struct kprobe_trace_arg_ref {
struct kprobe_trace_arg_ref *next; /* Next reference */
long offset; /* Offset value */
};
/* kprobe-tracer tracing argument */
struct kprobe_trace_arg {
char *name; /* Argument name */
char *value; /* Base value */
char *type; /* Type name */
struct kprobe_trace_arg_ref *ref; /* Referencing offset */
};
/* kprobe-tracer tracing event (point + arg) */
struct kprobe_trace_event {
char *event; /* Event name */
char *group; /* Group name */
struct kprobe_trace_point point; /* Trace point */
int nargs; /* Number of args */
struct kprobe_trace_arg *args; /* Arguments */
};
/* Perf probe probing point */
struct perf_probe_point {
char *file; /* File path */
char *function; /* Function name */
int line; /* Line number */
bool retprobe; /* Return probe flag */
char *lazy_line; /* Lazy matching pattern */
unsigned long offset; /* Offset from function entry */
};
/* Perf probe probing argument field chain */
struct perf_probe_arg_field {
struct perf_probe_arg_field *next; /* Next field */
char *name; /* Name of the field */
bool ref; /* Referencing flag */
};
/* Perf probe probing argument */
struct perf_probe_arg {
char *name; /* Argument name */
char *var; /* Variable name */
char *type; /* Type name */
struct perf_probe_arg_field *field; /* Structure fields */
};
/* Perf probe probing event (point + arg) */
struct perf_probe_event {
char *event; /* Event name */
char *group; /* Group name */
struct perf_probe_point point; /* Probe point */
int nargs; /* Number of arguments */
struct perf_probe_arg *args; /* Arguments */
};
/* Line number container */
struct line_node {
struct list_head list;
int line;
};
/* Line range */
struct line_range {
char *file; /* File name */
char *function; /* Function name */
int start; /* Start line number */
int end; /* End line number */
int offset; /* Start line offset */
char *path; /* Real path name */
struct list_head line_list; /* Visible lines */
};
/* Command string to events */
extern int parse_perf_probe_command(const char *cmd,
struct perf_probe_event *pev);
extern int parse_kprobe_trace_command(const char *cmd,
struct kprobe_trace_event *tev);
/* Events to command string */
extern char *synthesize_perf_probe_command(struct perf_probe_event *pev);
extern char *synthesize_kprobe_trace_command(struct kprobe_trace_event *tev);
extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf,
size_t len);
/* Check the perf_probe_event needs debuginfo */
extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev);
/* Convert from kprobe_trace_event to perf_probe_event */
extern int convert_to_perf_probe_event(struct kprobe_trace_event *tev,
struct perf_probe_event *pev);
/* Release event contents */
extern void clear_perf_probe_event(struct perf_probe_event *pev);
extern void clear_kprobe_trace_event(struct kprobe_trace_event *tev);
/* Command string to line-range */
extern int parse_line_range_desc(const char *cmd, struct line_range *lr);
extern int add_perf_probe_events(struct perf_probe_event *pevs, int ntevs,
bool force_add);
extern int del_perf_probe_events(struct strlist *dellist);
extern int show_perf_probe_events(void);
extern int show_line_range(struct line_range *lr);
/* Maximum index number of event-name postfix */
#define MAX_EVENT_INDEX 1024
#endif /*_PROBE_EVENT_H */
|