189     lv_sysmon_perf_info_t * info = &disp->perf_sysmon_info;  in perf_monitor_disp_event_cb()  local
193             info->measured.refr_interval_sum += lv_tick_elaps(info->measured.refr_start);  in perf_monitor_disp_event_cb()
194             info->measured.refr_start = lv_tick_get();  in perf_monitor_disp_event_cb()
197             info->measured.refr_elaps_sum += lv_tick_elaps(info->measured.refr_start);  in perf_monitor_disp_event_cb()
198             info->measured.refr_cnt++;  in perf_monitor_disp_event_cb()
201             info->measured.render_in_progress = 1;  in perf_monitor_disp_event_cb()
202             info->measured.render_start = lv_tick_get();  in perf_monitor_disp_event_cb()
205             info->measured.render_in_progress = 0;  in perf_monitor_disp_event_cb()
206             info->measured.render_elaps_sum += lv_tick_elaps(info->measured.render_start);  in perf_monitor_disp_event_cb()
207             info->measured.render_cnt++;  in perf_monitor_disp_event_cb()
211             if(info->measured.render_in_progress) {  in perf_monitor_disp_event_cb()
212                 info->measured.flush_in_render_start = lv_tick_get();  in perf_monitor_disp_event_cb()
215                 info->measured.flush_not_in_render_start = lv_tick_get();  in perf_monitor_disp_event_cb()
220             if(info->measured.render_in_progress) {  in perf_monitor_disp_event_cb()
221 …   info->measured.flush_in_render_elaps_sum += lv_tick_elaps(info->measured.flush_in_render_start);  in perf_monitor_disp_event_cb()
224 …info->measured.flush_not_in_render_elaps_sum += lv_tick_elaps(info->measured.flush_not_in_render_s…  in perf_monitor_disp_event_cb()
242     lv_sysmon_perf_info_t * info = &disp->perf_sysmon_info;  in perf_update_timer_cb()  local
243     info->calculated.run_cnt++;  in perf_update_timer_cb()
245     uint32_t time_since_last_report = lv_tick_elaps(info->measured.last_report_timestamp);  in perf_update_timer_cb()
249 …info->calculated.fps = info->measured.refr_interval_sum ? (1000 * info->measured.refr_cnt / time_s…  in perf_update_timer_cb()
250     info->calculated.fps = LV_MIN(info->calculated.fps,  in perf_update_timer_cb()
253     info->calculated.cpu = 100 - LV_SYSMON_GET_IDLE();  in perf_update_timer_cb()
254 …info->calculated.refr_avg_time = info->measured.refr_cnt ? (info->measured.refr_elaps_sum / info->…  in perf_update_timer_cb()
257     info->calculated.flush_avg_time = info->measured.render_cnt ?  in perf_update_timer_cb()
258 …         ((info->measured.flush_in_render_elaps_sum + info->measured.flush_not_in_render_elaps_sum)  in perf_update_timer_cb()
259                                        / info->measured.render_cnt) : 0;  in perf_update_timer_cb()
261 … info->calculated.render_avg_time = info->measured.render_cnt ? ((info->measured.render_elaps_sum -  in perf_update_timer_cb()
262 …                                                        info->measured.flush_in_render_elaps_sum) /  in perf_update_timer_cb()
263                                                                     info->measured.render_cnt) : 0;  in perf_update_timer_cb()
265 …info->calculated.cpu_avg_total = ((info->calculated.cpu_avg_total * (info->calculated.run_cnt - 1)…  in perf_update_timer_cb()
266                                       info->calculated.cpu) / info->calculated.run_cnt;  in perf_update_timer_cb()
267 …info->calculated.fps_avg_total = ((info->calculated.fps_avg_total * (info->calculated.run_cnt - 1)…  in perf_update_timer_cb()
268                                       info->calculated.fps) / info->calculated.run_cnt;  in perf_update_timer_cb()
270     lv_subject_set_pointer(&disp->perf_sysmon_backend.subject, info);  in perf_update_timer_cb()
272     lv_sysmon_perf_info_t prev_info = *info;  in perf_update_timer_cb()
273     lv_memzero(info, sizeof(lv_sysmon_perf_info_t));  in perf_update_timer_cb()
274     info->measured.refr_start = prev_info.measured.refr_start;  in perf_update_timer_cb()
275     info->calculated.cpu_avg_total = prev_info.calculated.cpu_avg_total;  in perf_update_timer_cb()
276     info->calculated.fps_avg_total = prev_info.calculated.fps_avg_total;  in perf_update_timer_cb()
277     info->calculated.run_cnt = prev_info.calculated.run_cnt;  in perf_update_timer_cb()
279     info->measured.last_report_timestamp = lv_tick_get();  in perf_update_timer_cb()