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- #ifndef _PROBE_EVENT_H
- #define _PROBE_EVENT_H
- #include <stdbool.h>
- #include "strlist.h"
- #include "strfilter.h"
- extern bool probe_event_dry_run;
- /* kprobe-tracer and uprobe-tracer tracing point */
- struct probe_trace_point {
- char *symbol; /* Base symbol */
- char *module; /* Module name */
- unsigned long offset; /* Offset from symbol */
- bool retprobe; /* Return probe flag */
- };
- /* probe-tracer tracing argument referencing offset */
- struct probe_trace_arg_ref {
- struct probe_trace_arg_ref *next; /* Next reference */
- long offset; /* Offset value */
- };
- /* kprobe-tracer and uprobe-tracer tracing argument */
- struct probe_trace_arg {
- char *name; /* Argument name */
- char *value; /* Base value */
- char *type; /* Type name */
- struct probe_trace_arg_ref *ref; /* Referencing offset */
- };
- /* kprobe-tracer and uprobe-tracer tracing event (point + arg) */
- struct probe_trace_event {
- char *event; /* Event name */
- char *group; /* Group name */
- struct probe_trace_point point; /* Trace point */
- int nargs; /* Number of args */
- bool uprobes; /* uprobes only */
- struct probe_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 */
- long index; /* Array index number */
- 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 */
- bool uprobes;
- 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 */
- char *comp_dir; /* Compile directory */
- struct list_head line_list; /* Visible lines */
- };
- /* List of variables */
- struct variable_list {
- struct probe_trace_point point; /* Actual probepoint */
- struct strlist *vars; /* Available variables */
- };
- /* Command string to events */
- extern int parse_perf_probe_command(const char *cmd,
- struct perf_probe_event *pev);
- /* Events to command string */
- extern char *synthesize_perf_probe_command(struct perf_probe_event *pev);
- extern char *synthesize_probe_trace_command(struct probe_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);
- /* Release event contents */
- extern void clear_perf_probe_event(struct perf_probe_event *pev);
- /* Command string to line-range */
- extern int parse_line_range_desc(const char *cmd, struct line_range *lr);
- /* Internal use: Return kernel/module path */
- extern const char *kernel_get_module_path(const char *module);
- extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
- int max_probe_points, const char *module,
- 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, const char *module);
- extern int show_available_vars(struct perf_probe_event *pevs, int npevs,
- int max_probe_points, const char *module,
- struct strfilter *filter, bool externs);
- extern int show_available_funcs(const char *module, struct strfilter *filter,
- bool user);
- /* Maximum index number of event-name postfix */
- #define MAX_EVENT_INDEX 1024
- #endif /*_PROBE_EVENT_H */
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