1#ifndef _PROBE_EVENT_H
  2#define _PROBE_EVENT_H
  3
  4#include <stdbool.h>
 
  5#include "strlist.h"
  6#include "strfilter.h"
  7
  8extern bool probe_event_dry_run;
  9
 10/* kprobe-tracer tracing point */
 11struct probe_trace_point {
 12	char		*symbol;	/* Base symbol */
 13	char		*module;	/* Module name */
 14	unsigned long	offset;		/* Offset from symbol */
 
 15	bool		retprobe;	/* Return probe flag */
 16};
 17
 18/* probe-tracer tracing argument referencing offset */
 19struct probe_trace_arg_ref {
 20	struct probe_trace_arg_ref	*next;	/* Next reference */
 21	long				offset;	/* Offset value */
 22};
 23
 24/* kprobe-tracer tracing argument */
 25struct probe_trace_arg {
 26	char				*name;	/* Argument name */
 27	char				*value;	/* Base value */
 28	char				*type;	/* Type name */
 29	struct probe_trace_arg_ref	*ref;	/* Referencing offset */
 30};
 31
 32/* kprobe-tracer tracing event (point + arg) */
 33struct probe_trace_event {
 34	char				*event;	/* Event name */
 35	char				*group;	/* Group name */
 36	struct probe_trace_point	point;	/* Trace point */
 37	int				nargs;	/* Number of args */
 
 38	struct probe_trace_arg		*args;	/* Arguments */
 39};
 40
 41/* Perf probe probing point */
 42struct perf_probe_point {
 43	char		*file;		/* File path */
 44	char		*function;	/* Function name */
 45	int		line;		/* Line number */
 46	bool		retprobe;	/* Return probe flag */
 47	char		*lazy_line;	/* Lazy matching pattern */
 48	unsigned long	offset;		/* Offset from function entry */
 49};
 50
 51/* Perf probe probing argument field chain */
 52struct perf_probe_arg_field {
 53	struct perf_probe_arg_field	*next;	/* Next field */
 54	char				*name;	/* Name of the field */
 55	long				index;	/* Array index number */
 56	bool				ref;	/* Referencing flag */
 57};
 58
 59/* Perf probe probing argument */
 60struct perf_probe_arg {
 61	char				*name;	/* Argument name */
 62	char				*var;	/* Variable name */
 63	char				*type;	/* Type name */
 64	struct perf_probe_arg_field	*field;	/* Structure fields */
 65};
 66
 67/* Perf probe probing event (point + arg) */
 68struct perf_probe_event {
 69	char			*event;	/* Event name */
 70	char			*group;	/* Group name */
 71	struct perf_probe_point	point;	/* Probe point */
 72	int			nargs;	/* Number of arguments */
 
 73	struct perf_probe_arg	*args;	/* Arguments */
 74};
 75
 76
 77/* Line number container */
 78struct line_node {
 79	struct list_head	list;
 80	int			line;
 81};
 82
 83/* Line range */
 84struct line_range {
 85	char			*file;		/* File name */
 86	char			*function;	/* Function name */
 87	int			start;		/* Start line number */
 88	int			end;		/* End line number */
 89	int			offset;		/* Start line offset */
 90	char			*path;		/* Real path name */
 91	char			*comp_dir;	/* Compile directory */
 92	struct list_head	line_list;	/* Visible lines */
 93};
 94
 95/* List of variables */
 96struct variable_list {
 97	struct probe_trace_point	point;	/* Actual probepoint */
 98	struct strlist			*vars;	/* Available variables */
 99};
100
101/* Command string to events */
102extern int parse_perf_probe_command(const char *cmd,
103				    struct perf_probe_event *pev);
104
105/* Events to command string */
106extern char *synthesize_perf_probe_command(struct perf_probe_event *pev);
107extern char *synthesize_probe_trace_command(struct probe_trace_event *tev);
108extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf,
109				     size_t len);
110
111/* Check the perf_probe_event needs debuginfo */
112extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev);
113
114/* Release event contents */
115extern void clear_perf_probe_event(struct perf_probe_event *pev);
116
117/* Command string to line-range */
118extern int parse_line_range_desc(const char *cmd, struct line_range *lr);
119
 
 
 
 
 
 
120/* Internal use: Return kernel/module path */
121extern const char *kernel_get_module_path(const char *module);
122
123extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
124				 int max_probe_points, const char *module,
125				 bool force_add);
126extern int del_perf_probe_events(struct strlist *dellist);
127extern int show_perf_probe_events(void);
128extern int show_line_range(struct line_range *lr, const char *module);
129extern int show_available_vars(struct perf_probe_event *pevs, int npevs,
130			       int max_probe_points, const char *module,
131			       struct strfilter *filter, bool externs);
132extern int show_available_funcs(const char *module, struct strfilter *filter);
133
134
135/* Maximum index number of event-name postfix */
136#define MAX_EVENT_INDEX	1024
137
138#endif /*_PROBE_EVENT_H */

  1#ifndef _PROBE_EVENT_H
  2#define _PROBE_EVENT_H
  3
  4#include <stdbool.h>
  5#include "intlist.h"
  6#include "strlist.h"
  7#include "strfilter.h"
  8
  9extern bool probe_event_dry_run;
 10
 11/* kprobe-tracer and uprobe-tracer tracing point */
 12struct probe_trace_point {
 13	char		*symbol;	/* Base symbol */
 14	char		*module;	/* Module name */
 15	unsigned long	offset;		/* Offset from symbol */
 16	unsigned long	address;	/* Actual address of the trace point */
 17	bool		retprobe;	/* Return probe flag */
 18};
 19
 20/* probe-tracer tracing argument referencing offset */
 21struct probe_trace_arg_ref {
 22	struct probe_trace_arg_ref	*next;	/* Next reference */
 23	long				offset;	/* Offset value */
 24};
 25
 26/* kprobe-tracer and uprobe-tracer tracing argument */
 27struct probe_trace_arg {
 28	char				*name;	/* Argument name */
 29	char				*value;	/* Base value */
 30	char				*type;	/* Type name */
 31	struct probe_trace_arg_ref	*ref;	/* Referencing offset */
 32};
 33
 34/* kprobe-tracer and uprobe-tracer tracing event (point + arg) */
 35struct probe_trace_event {
 36	char				*event;	/* Event name */
 37	char				*group;	/* Group name */
 38	struct probe_trace_point	point;	/* Trace point */
 39	int				nargs;	/* Number of args */
 40	bool				uprobes;	/* uprobes only */
 41	struct probe_trace_arg		*args;	/* Arguments */
 42};
 43
 44/* Perf probe probing point */
 45struct perf_probe_point {
 46	char		*file;		/* File path */
 47	char		*function;	/* Function name */
 48	int		line;		/* Line number */
 49	bool		retprobe;	/* Return probe flag */
 50	char		*lazy_line;	/* Lazy matching pattern */
 51	unsigned long	offset;		/* Offset from function entry */
 52};
 53
 54/* Perf probe probing argument field chain */
 55struct perf_probe_arg_field {
 56	struct perf_probe_arg_field	*next;	/* Next field */
 57	char				*name;	/* Name of the field */
 58	long				index;	/* Array index number */
 59	bool				ref;	/* Referencing flag */
 60};
 61
 62/* Perf probe probing argument */
 63struct perf_probe_arg {
 64	char				*name;	/* Argument name */
 65	char				*var;	/* Variable name */
 66	char				*type;	/* Type name */
 67	struct perf_probe_arg_field	*field;	/* Structure fields */
 68};
 69
 70/* Perf probe probing event (point + arg) */
 71struct perf_probe_event {
 72	char			*event;	/* Event name */
 73	char			*group;	/* Group name */
 74	struct perf_probe_point	point;	/* Probe point */
 75	int			nargs;	/* Number of arguments */
 76	bool			uprobes;
 77	struct perf_probe_arg	*args;	/* Arguments */
 78};
 79
 
 
 
 
 
 
 
 80/* Line range */
 81struct line_range {
 82	char			*file;		/* File name */
 83	char			*function;	/* Function name */
 84	int			start;		/* Start line number */
 85	int			end;		/* End line number */
 86	int			offset;		/* Start line offset */
 87	char			*path;		/* Real path name */
 88	char			*comp_dir;	/* Compile directory */
 89	struct intlist		*line_list;	/* Visible lines */
 90};
 91
 92/* List of variables */
 93struct variable_list {
 94	struct probe_trace_point	point;	/* Actual probepoint */
 95	struct strlist			*vars;	/* Available variables */
 96};
 97
 98/* Command string to events */
 99extern int parse_perf_probe_command(const char *cmd,
100				    struct perf_probe_event *pev);
101
102/* Events to command string */
103extern char *synthesize_perf_probe_command(struct perf_probe_event *pev);
104extern char *synthesize_probe_trace_command(struct probe_trace_event *tev);
105extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf,
106				     size_t len);
107
108/* Check the perf_probe_event needs debuginfo */
109extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev);
110
111/* Release event contents */
112extern void clear_perf_probe_event(struct perf_probe_event *pev);
113
114/* Command string to line-range */
115extern int parse_line_range_desc(const char *cmd, struct line_range *lr);
116
117/* Release line range members */
118extern void line_range__clear(struct line_range *lr);
119
120/* Initialize line range */
121extern int line_range__init(struct line_range *lr);
122
123/* Internal use: Return kernel/module path */
124extern const char *kernel_get_module_path(const char *module);
125
126extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
127				 int max_probe_points, const char *module,
128				 bool force_add);
129extern int del_perf_probe_events(struct strlist *dellist);
130extern int show_perf_probe_events(void);
131extern int show_line_range(struct line_range *lr, const char *module);
132extern int show_available_vars(struct perf_probe_event *pevs, int npevs,
133			       int max_probe_points, const char *module,
134			       struct strfilter *filter, bool externs);
135extern int show_available_funcs(const char *module, struct strfilter *filter,
136				bool user);
137
138/* Maximum index number of event-name postfix */
139#define MAX_EVENT_INDEX	1024
140
141#endif /*_PROBE_EVENT_H */