+uint64_t get_context_vtid(const struct bt_ctf_event *event);
+uint64_t get_context_vpid(const struct bt_ctf_event *event);
+uint64_t get_context_vppid(const struct bt_ctf_event *event);
+char *get_context_hostname(const struct bt_ctf_event *event);
+
+enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data,
+ void *private_data);
+
+struct tm format_timestamp(uint64_t timestamp);
+
+int *lookup_filter_tid_list(int tid);
+int *lookup_tid_list(int tid);
+char *lookup_hostname_list(const char *hostname);
+void remove_hostname_list(const char *hostname);
+void add_filter_tid_list(int tid, struct processtop *newproc);
+void remove_filter_tid_list(int tid);