42     static void perf_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
48     static void mem_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
68     lv_subject_init_pointer(&sysmon_mem.subject, &mem_info);  in lv_sysmon_builtin_init()
115         lv_subject_init_pointer(&disp->perf_sysmon_backend.subject, &disp->perf_sysmon_info);  in lv_sysmon_show_performance()
117 …lv_subject_add_observer_obj(&disp->perf_sysmon_backend.subject, perf_observer_cb, disp->perf_label…  in lv_sysmon_show_performance()
160         lv_subject_add_observer_obj(&sysmon_mem.subject, mem_observer_cb, disp->mem_label, NULL);  in lv_sysmon_show_memory()
229             lv_subject_deinit(&disp->perf_sysmon_backend.subject);  in perf_monitor_disp_event_cb()
270     lv_subject_set_pointer(&disp->perf_sysmon_backend.subject, info);  in perf_update_timer_cb()
282 static void perf_observer_cb(lv_observer_t * observer, lv_subject_t * subject)  in perf_observer_cb()  argument
285     const lv_sysmon_perf_info_t * perf = lv_subject_get_pointer(subject);  in perf_observer_cb()
316     lv_subject_set_pointer(&sysmon_mem.subject, mem_mon);  in mem_update_timer_cb()
319 static void mem_observer_cb(lv_observer_t * observer, lv_subject_t * subject)  in mem_observer_cb()  argument
322     const lv_mem_monitor_t * mon = lv_subject_get_pointer(subject);  in mem_observer_cb()