Merge branch 'tracing/urgent' into tracing/core
[linux-2.6.git] / kernel / trace / trace.h
index 405cb850b75d9a308d04d198946e9b0e8da21a39..365fb19d9e111c349717fda69f4511d2aa85c0f1 100644 (file)
@@ -699,22 +699,40 @@ struct event_subsystem {
 };
 
 struct filter_pred;
+struct regex;
 
 typedef int (*filter_pred_fn_t) (struct filter_pred *pred, void *event,
                                 int val1, int val2);
 
+typedef int (*regex_match_func)(char *str, struct regex *r, int len);
+
+enum regex_type {
+       MATCH_FULL,
+       MATCH_FRONT_ONLY,
+       MATCH_MIDDLE_ONLY,
+       MATCH_END_ONLY,
+};
+
+struct regex {
+       char                    pattern[MAX_FILTER_STR_VAL];
+       int                     len;
+       int                     field_len;
+       regex_match_func        match;
+};
+
 struct filter_pred {
-       filter_pred_fn_t fn;
-       u64 val;
-       char str_val[MAX_FILTER_STR_VAL];
-       int str_len;
-       char *field_name;
-       int offset;
-       int not;
-       int op;
-       int pop_n;
+       filter_pred_fn_t        fn;
+       u64                     val;
+       struct regex            regex;
+       char                    *field_name;
+       int                     offset;
+       int                     not;
+       int                     op;
+       int                     pop_n;
 };
 
+extern enum regex_type
+filter_parse_regex(char *buff, int len, char **search, int *not);
 extern void print_event_filter(struct ftrace_event_call *call,
                               struct trace_seq *s);
 extern int apply_event_filter(struct ftrace_event_call *call,