/* kprobe-tracer and uprobe-tracer tracing point */ struct probe_trace_point { char *realname; /* function real name (if needed) */ char *symbol; /* Base symbol */ char *module; /* Module name */ unsignedlong offset; /* Offset from symbol */ unsignedlong ref_ctr_offset; /* SDT reference counter offset */
u64 address; /* Actual address of the trace point */ 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 */ bool user_access; /* User-memory access */
};
/* 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 */ int lang; /* Dwarf language code */ 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 */ unsignedlong offset; /* Offset from function entry */
u64 abs_address; /* Absolute address of the point */
};
/* 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 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 sdt; /* SDT/cached event flag */ bool uprobes; /* Uprobe event flag */ char *target; /* Target binary */ struct perf_probe_arg *args; /* Arguments */ struct probe_trace_event *tevs; int ntevs; struct nsinfo *nsi; /* Target namespace */
};
/* 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 intlist *line_list; /* Visible lines */
};
struct strlist;
/* List of variables */ struct variable_list { struct probe_trace_point point; /* Actual probepoint */ struct strlist *vars; /* Available variables */
};
struct map; int init_probe_symbol_maps(bool user_only); void exit_probe_symbol_maps(void);
/* Command string to events */ int parse_perf_probe_command(constchar *cmd, struct perf_probe_event *pev); int parse_probe_trace_command(constchar *cmd, struct probe_trace_event *tev);
/* Command string to line-range */ int parse_line_range_desc(constchar *cmd, struct line_range *lr);
/* Release line range members */ void line_range__clear(struct line_range *lr);
/* Initialize line range */ int line_range__init(struct line_range *lr);
int convert_perf_probe_events(struct perf_probe_event *pevs, int npevs); int apply_perf_probe_events(struct perf_probe_event *pevs, int npevs); int show_probe_trace_events(struct perf_probe_event *pevs, int npevs); int show_bootconfig_events(struct perf_probe_event *pevs, int npevs); void cleanup_perf_probe_events(struct perf_probe_event *pevs, int npevs);
struct strfilter;
int show_perf_probe_event(constchar *group, constchar *event, struct perf_probe_event *pev, constchar *module, bool use_stdout); int show_perf_probe_events(struct strfilter *filter); int show_line_range(struct line_range *lr, constchar *module, struct nsinfo *nsi, bool user); int show_available_vars(struct perf_probe_event *pevs, int npevs, struct strfilter *filter); int show_available_funcs(constchar *module, struct nsinfo *nsi, struct strfilter *filter, bool user); void arch__fix_tev_from_maps(struct perf_probe_event *pev, struct probe_trace_event *tev, struct map *map, struct symbol *sym);
/* If there is no space to write, returns -E2BIG. */ int e_snprintf(char *str, size_t size, constchar *format, ...) __printf(3, 4);
/* Maximum index number of event-name postfix */ #define MAX_EVENT_INDEX 1024
int copy_to_probe_trace_arg(struct probe_trace_arg *tvar, struct perf_probe_arg *pvar);
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