diff options
Diffstat (limited to 'kernel/trace/trace_probe.h')
| -rw-r--r-- | kernel/trace/trace_probe.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h index 0b84abb884c2..39926e8a344b 100644 --- a/kernel/trace/trace_probe.h +++ b/kernel/trace/trace_probe.h @@ -302,6 +302,13 @@ static inline struct list_head *trace_probe_probe_list(struct trace_probe *tp) return &tp->event->probes; } +static inline bool trace_probe_has_sibling(struct trace_probe *tp) +{ + struct list_head *list = trace_probe_probe_list(tp); + + return !list_empty(list) && !list_is_singular(list); +} + static inline int trace_probe_unregister_event_call(struct trace_probe *tp) { /* tp->event is unregistered in trace_remove_event_call() */ @@ -316,12 +323,15 @@ static inline bool trace_probe_has_single_file(struct trace_probe *tp) int trace_probe_init(struct trace_probe *tp, const char *event, const char *group); void trace_probe_cleanup(struct trace_probe *tp); +int trace_probe_append(struct trace_probe *tp, struct trace_probe *to); +void trace_probe_unlink(struct trace_probe *tp); int trace_probe_register_event_call(struct trace_probe *tp); int trace_probe_add_file(struct trace_probe *tp, struct trace_event_file *file); int trace_probe_remove_file(struct trace_probe *tp, struct trace_event_file *file); struct event_file_link *trace_probe_get_file_link(struct trace_probe *tp, struct trace_event_file *file); +int trace_probe_compare_arg_type(struct trace_probe *a, struct trace_probe *b); #define trace_probe_for_each_link(pos, tp) \ list_for_each_entry(pos, &(tp)->event->files, list) @@ -419,7 +429,9 @@ extern int traceprobe_define_arg_fields(struct trace_event_call *event_call, C(ARG_TOO_LONG, "Argument expression is too long"), \ C(NO_ARG_BODY, "No argument expression"), \ C(BAD_INSN_BNDRY, "Probe point is not an instruction boundary"),\ - C(FAIL_REG_PROBE, "Failed to register probe event"), + C(FAIL_REG_PROBE, "Failed to register probe event"),\ + C(DIFF_PROBE_TYPE, "Probe type is different from existing probe"),\ + C(DIFF_ARG_TYPE, "Argument type or name is different from existing probe"), #undef C #define C(a, b) TP_ERR_##a |