7 extern bool probe_event_dry_run
;
9 /* kprobe-tracer tracing point */
10 struct probe_trace_point
{
11 char *symbol
; /* Base symbol */
12 unsigned long offset
; /* Offset from symbol */
13 bool retprobe
; /* Return probe flag */
16 /* probe-tracer tracing argument referencing offset */
17 struct probe_trace_arg_ref
{
18 struct probe_trace_arg_ref
*next
; /* Next reference */
19 long offset
; /* Offset value */
22 /* kprobe-tracer tracing argument */
23 struct probe_trace_arg
{
24 char *name
; /* Argument name */
25 char *value
; /* Base value */
26 char *type
; /* Type name */
27 struct probe_trace_arg_ref
*ref
; /* Referencing offset */
30 /* kprobe-tracer tracing event (point + arg) */
31 struct probe_trace_event
{
32 char *event
; /* Event name */
33 char *group
; /* Group name */
34 struct probe_trace_point point
; /* Trace point */
35 int nargs
; /* Number of args */
36 struct probe_trace_arg
*args
; /* Arguments */
39 /* Perf probe probing point */
40 struct perf_probe_point
{
41 char *file
; /* File path */
42 char *function
; /* Function name */
43 int line
; /* Line number */
44 bool retprobe
; /* Return probe flag */
45 char *lazy_line
; /* Lazy matching pattern */
46 unsigned long offset
; /* Offset from function entry */
49 /* Perf probe probing argument field chain */
50 struct perf_probe_arg_field
{
51 struct perf_probe_arg_field
*next
; /* Next field */
52 char *name
; /* Name of the field */
53 long index
; /* Array index number */
54 bool ref
; /* Referencing flag */
57 /* Perf probe probing argument */
58 struct perf_probe_arg
{
59 char *name
; /* Argument name */
60 char *var
; /* Variable name */
61 char *type
; /* Type name */
62 struct perf_probe_arg_field
*field
; /* Structure fields */
65 /* Perf probe probing event (point + arg) */
66 struct perf_probe_event
{
67 char *event
; /* Event name */
68 char *group
; /* Group name */
69 struct perf_probe_point point
; /* Probe point */
70 int nargs
; /* Number of arguments */
71 struct perf_probe_arg
*args
; /* Arguments */
75 /* Line number container */
77 struct list_head list
;
83 char *file
; /* File name */
84 char *function
; /* Function name */
85 int start
; /* Start line number */
86 int end
; /* End line number */
87 int offset
; /* Start line offset */
88 char *path
; /* Real path name */
89 char *comp_dir
; /* Compile directory */
90 struct list_head line_list
; /* Visible lines */
93 /* List of variables */
94 struct variable_list
{
95 struct probe_trace_point point
; /* Actual probepoint */
96 struct strlist
*vars
; /* Available variables */
99 /* Command string to events */
100 extern int parse_perf_probe_command(const char *cmd
,
101 struct perf_probe_event
*pev
);
103 /* Events to command string */
104 extern char *synthesize_perf_probe_command(struct perf_probe_event
*pev
);
105 extern char *synthesize_probe_trace_command(struct probe_trace_event
*tev
);
106 extern int synthesize_perf_probe_arg(struct perf_probe_arg
*pa
, char *buf
,
109 /* Check the perf_probe_event needs debuginfo */
110 extern bool perf_probe_event_need_dwarf(struct perf_probe_event
*pev
);
112 /* Release event contents */
113 extern void clear_perf_probe_event(struct perf_probe_event
*pev
);
115 /* Command string to line-range */
116 extern int parse_line_range_desc(const char *cmd
, struct line_range
*lr
);
118 /* Internal use: Return kernel/module path */
119 extern const char *kernel_get_module_path(const char *module
);
121 extern int add_perf_probe_events(struct perf_probe_event
*pevs
, int npevs
,
122 int max_probe_points
, const char *module
,
124 extern int del_perf_probe_events(struct strlist
*dellist
);
125 extern int show_perf_probe_events(void);
126 extern int show_line_range(struct line_range
*lr
, const char *module
);
127 extern int show_available_vars(struct perf_probe_event
*pevs
, int npevs
,
128 int max_probe_points
, const char *module
,
132 /* Maximum index number of event-name postfix */
133 #define MAX_EVENT_INDEX 1024
135 #endif /*_PROBE_EVENT_H */