diff options
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 9288dc7ad14f..d9eb39e4bb38 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -795,6 +795,7 @@ struct ftrace_event_call { int (*show_format)(struct trace_seq *s); int (*define_fields)(void); struct list_head fields; + struct filter_pred **preds; #ifdef CONFIG_EVENT_PROFILE atomic_t profile_count; @@ -803,8 +804,35 @@ struct ftrace_event_call { #endif }; +#define MAX_FILTER_PRED 8 + +struct filter_pred; + +typedef int (*filter_pred_fn_t) (struct filter_pred *pred, void *event); + +struct filter_pred { + filter_pred_fn_t fn; + u64 val; + char *str_val; + int str_len; + char *field_name; + int offset; + int not; + int or; + int compound; + int clear; +}; + int trace_define_field(struct ftrace_event_call *call, char *type, char *name, int offset, int size); +extern void filter_free_pred(struct filter_pred *pred); +extern int filter_print_preds(struct filter_pred **preds, char *buf); +extern int filter_parse(char **pbuf, struct filter_pred *pred); +extern int filter_add_pred(struct ftrace_event_call *call, + struct filter_pred *pred); +extern void filter_free_preds(struct ftrace_event_call *call); +extern int filter_match_preds(struct ftrace_event_call *call, void *rec); + void event_trace_printk(unsigned long ip, const char *fmt, ...); extern struct ftrace_event_call __start_ftrace_events[]; extern struct ftrace_event_call __stop_ftrace_events[]; |