+void reset_global_counters(void);
+
+/* common field access functions */
+uint64_t get_cpu_id(const struct ctf_event_definition *event);
+uint64_t get_context_tid(const struct ctf_event_definition *event);
+uint64_t get_context_pid(const struct ctf_event_definition *event);
+uint64_t get_context_ppid(const struct ctf_event_definition *event);
+char *get_context_comm(const struct ctf_event_definition *event);