9 /* Probe related configurations */
12 bool show_location_range;
17 extern struct probe_conf probe_conf;
18 extern bool probe_event_dry_run;
20 /* kprobe-tracer and uprobe-tracer tracing point */
21 struct probe_trace_point {
22 char *realname; /* function real name (if needed) */
23 char *symbol; /* Base symbol */
24 char *module; /* Module name */
25 unsigned long offset; /* Offset from symbol */
26 unsigned long address; /* Actual address of the trace point */
27 bool retprobe; /* Return probe flag */
30 /* probe-tracer tracing argument referencing offset */
31 struct probe_trace_arg_ref {
32 struct probe_trace_arg_ref *next; /* Next reference */
33 long offset; /* Offset value */
36 /* kprobe-tracer and uprobe-tracer tracing argument */
37 struct probe_trace_arg {
38 char *name; /* Argument name */
39 char *value; /* Base value */
40 char *type; /* Type name */
41 struct probe_trace_arg_ref *ref; /* Referencing offset */
44 /* kprobe-tracer and uprobe-tracer tracing event (point + arg) */
45 struct probe_trace_event {
46 char *event; /* Event name */
47 char *group; /* Group name */
48 struct probe_trace_point point; /* Trace point */
49 int nargs; /* Number of args */
50 bool uprobes; /* uprobes only */
51 struct probe_trace_arg *args; /* Arguments */
54 /* Perf probe probing point */
55 struct perf_probe_point {
56 char *file; /* File path */
57 char *function; /* Function name */
58 int line; /* Line number */
59 bool retprobe; /* Return probe flag */
60 char *lazy_line; /* Lazy matching pattern */
61 unsigned long offset; /* Offset from function entry */
64 /* Perf probe probing argument field chain */
65 struct perf_probe_arg_field {
66 struct perf_probe_arg_field *next; /* Next field */
67 char *name; /* Name of the field */
68 long index; /* Array index number */
69 bool ref; /* Referencing flag */
72 /* Perf probe probing argument */
73 struct perf_probe_arg {
74 char *name; /* Argument name */
75 char *var; /* Variable name */
76 char *type; /* Type name */
77 struct perf_probe_arg_field *field; /* Structure fields */
80 /* Perf probe probing event (point + arg) */
81 struct perf_probe_event {
82 char *event; /* Event name */
83 char *group; /* Group name */
84 struct perf_probe_point point; /* Probe point */
85 int nargs; /* Number of arguments */
86 bool uprobes; /* Uprobe event flag */
87 char *target; /* Target binary */
88 struct perf_probe_arg *args; /* Arguments */
93 char *file; /* File name */
94 char *function; /* Function name */
95 int start; /* Start line number */
96 int end; /* End line number */
97 int offset; /* Start line offset */
98 char *path; /* Real path name */
99 char *comp_dir; /* Compile directory */
100 struct intlist *line_list; /* Visible lines */
103 /* List of variables */
104 struct variable_list {
105 struct probe_trace_point point; /* Actual probepoint */
106 struct strlist *vars; /* Available variables */
109 /* Command string to events */
110 extern int parse_perf_probe_command(const char *cmd,
111 struct perf_probe_event *pev);
112 extern int parse_probe_trace_command(const char *cmd,
113 struct probe_trace_event *tev);
115 /* Events to command string */
116 extern char *synthesize_perf_probe_command(struct perf_probe_event *pev);
117 extern char *synthesize_probe_trace_command(struct probe_trace_event *tev);
118 extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf,
121 /* Check the perf_probe_event needs debuginfo */
122 extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev);
124 /* Release event contents */
125 extern void clear_perf_probe_event(struct perf_probe_event *pev);
126 extern void clear_probe_trace_event(struct probe_trace_event *tev);
128 /* Command string to line-range */
129 extern int parse_line_range_desc(const char *cmd, struct line_range *lr);
131 /* Release line range members */
132 extern void line_range__clear(struct line_range *lr);
134 /* Initialize line range */
135 extern int line_range__init(struct line_range *lr);
137 extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs);
138 extern int del_perf_probe_events(struct strfilter *filter);
139 extern int show_perf_probe_events(struct strfilter *filter);
140 extern int show_line_range(struct line_range *lr, const char *module,
142 extern int show_available_vars(struct perf_probe_event *pevs, int npevs,
143 struct strfilter *filter);
144 extern int show_available_funcs(const char *module, struct strfilter *filter,
146 bool arch__prefers_symtab(void);
147 void arch__fix_tev_from_maps(struct perf_probe_event *pev,
148 struct probe_trace_event *tev, struct map *map);
150 /* If there is no space to write, returns -E2BIG. */
151 int e_snprintf(char *str, size_t size, const char *format, ...)
152 __attribute__((format(printf, 3, 4)));
154 /* Maximum index number of event-name postfix */
155 #define MAX_EVENT_INDEX 1024
157 #endif /*_PROBE_EVENT_H */