# lv_sysmon_private.h (/api/debugging/sysmon/lv_sysmon_private_h)



<RelatedHeaders name="lv_sysmon.h" isPrivate="true" />

<ApiSummary functions="2" structs="2" />

Functions [#functions]

<ApiMember kind="function" name="lv_sysmon_builtin_init" file="debugging/sysmon/lv_sysmon_private.h" line="77" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/debugging/sysmon/lv_sysmon_private.h#L77">
  lv_sysmon_builtin_init [#lv_sysmon_builtin_init]

  Initialize built-in system monitor, such as performance and memory monitor.

  ```c title=" " lineNumbers=1
  void lv_sysmon_builtin_init(void)
  ```
</ApiMember>

<ApiMember kind="function" name="lv_sysmon_builtin_deinit" file="debugging/sysmon/lv_sysmon_private.h" line="82" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/debugging/sysmon/lv_sysmon_private.h#L82">
  lv_sysmon_builtin_deinit [#lv_sysmon_builtin_deinit]

  DeInitialize built-in system monitor, such as performance and memory monitor.

  ```c title=" " lineNumbers=1
  void lv_sysmon_builtin_deinit(void)
  ```
</ApiMember>

Structs [#structs]

<ApiMember kind="struct" name="_lv_sysmon_backend_data_t">
  \_lv_sysmon_backend_data_t [#_lv_sysmon_backend_data_t]

  | Member    | Type                                                 | Description |
  | --------- | ---------------------------------------------------- | ----------- |
  | `subject` | <ApiLink name="lv_subject_t" />                      |             |
  | `timer`   | <ApiLink name="lv_timer_t" display="lv_timer_t *" /> |             |
</ApiMember>

<ApiMember kind="struct" name="_lv_sysmon_perf_info_t">
  \_lv_sysmon_perf_info_t [#_lv_sysmon_perf_info_t]

  | Member                          | Type                                                                              | Description                               |
  | ------------------------------- | --------------------------------------------------------------------------------- | ----------------------------------------- |
  | `inited`                        | <ApiLink name="bool" />                                                           |                                           |
  | `refr_start`                    | <ApiLink name="uint32_t" />                                                       |                                           |
  | `refr_interval_sum`             | <ApiLink name="uint32_t" />                                                       |                                           |
  | `refr_elaps_sum`                | <ApiLink name="uint32_t" />                                                       |                                           |
  | `refr_cnt`                      | <ApiLink name="uint32_t" />                                                       |                                           |
  | `render_start`                  | <ApiLink name="uint32_t" />                                                       |                                           |
  | `render_elaps_sum`              | <ApiLink name="uint32_t" />                                                       |                                           |
  | `render_cnt`                    | <ApiLink name="uint32_t" />                                                       |                                           |
  | `flush_in_render_start`         | <ApiLink name="uint32_t" />                                                       |                                           |
  | `flush_in_render_elaps_sum`     | <ApiLink name="uint32_t" />                                                       |                                           |
  | `flush_not_in_render_start`     | <ApiLink name="uint32_t" />                                                       |                                           |
  | `flush_not_in_render_elaps_sum` | <ApiLink name="uint32_t" />                                                       |                                           |
  | `last_report_timestamp`         | <ApiLink name="uint32_t" />                                                       |                                           |
  | `render_in_progress`            | <ApiLink name="uint32_t" />                                                       |                                           |
  | `measured`                      | <ApiLink name="_lv_sysmon_perf_info_t" display="struct _lv_sysmon_perf_info_t" /> |                                           |
  | `fps`                           | <ApiLink name="uint32_t" />                                                       |                                           |
  | `cpu`                           | <ApiLink name="uint32_t" />                                                       |                                           |
  | `refr_avg_time`                 | <ApiLink name="uint32_t" />                                                       |                                           |
  | `render_avg_time`               | <ApiLink name="uint32_t" />                                                       | Pure rendering time without flush time    |
  | `flush_avg_time`                | <ApiLink name="uint32_t" />                                                       | Pure flushing time without rendering time |
  | `cpu_avg_total`                 | <ApiLink name="uint32_t" />                                                       |                                           |
  | `fps_avg_total`                 | <ApiLink name="uint32_t" />                                                       |                                           |
  | `run_cnt`                       | <ApiLink name="uint32_t" />                                                       |                                           |
  | `calculated`                    | <ApiLink name="_lv_sysmon_perf_info_t" display="struct _lv_sysmon_perf_info_t" /> |                                           |
</ApiMember>

Dependencies [#dependencies]

<FileIncludes includes="[&#x22;lv_sysmon.h&#x22;]" includedBy="[&#x22;lv_global.h&#x22;, &#x22;lv_display_private.h&#x22;]" transitiveIncludes="[&#x22;lv_anim.h&#x22;, &#x22;lv_area.h&#x22;, &#x22;lv_array.h&#x22;, &#x22;lv_assert.h&#x22;, &#x22;lv_bidi.h&#x22;, &#x22;lv_color.h&#x22;, &#x22;lv_color_op.h&#x22;, &#x22;lv_conf_internal.h&#x22;, &#x22;lv_conf_kconfig.h&#x22;, &#x22;lv_display.h&#x22;, &#x22;lv_draw.h&#x22;, &#x22;lv_draw_arc.h&#x22;, &#x22;lv_draw_blur.h&#x22;, &#x22;lv_draw_buf.h&#x22;, &#x22;lv_draw_image.h&#x22;, &#x22;lv_draw_label.h&#x22;, &#x22;lv_draw_line.h&#x22;, &#x22;lv_draw_rect.h&#x22;, &#x22;lv_draw_triangle.h&#x22;, &#x22;lv_event.h&#x22;, &#x22;lv_ext_data.h&#x22;, &#x22;lv_flex.h&#x22;, &#x22;lv_font.h&#x22;, &#x22;lv_fs.h&#x22;, &#x22;lv_grad.h&#x22;, &#x22;lv_grid.h&#x22;, &#x22;lv_group.h&#x22;, &#x22;lv_image_decoder.h&#x22;, &#x22;lv_image_dsc.h&#x22;, &#x22;lv_indev.h&#x22;, &#x22;lv_layout.h&#x22;, &#x22;lv_ll.h&#x22;, &#x22;lv_log.h&#x22;, &#x22;lv_math.h&#x22;, &#x22;lv_matrix.h&#x22;, &#x22;lv_mem.h&#x22;, &#x22;lv_obj.h&#x22;, &#x22;lv_obj_class.h&#x22;, &#x22;lv_obj_draw.h&#x22;, &#x22;lv_obj_event.h&#x22;, &#x22;lv_obj_pos.h&#x22;, &#x22;lv_obj_property.h&#x22;, &#x22;lv_obj_property_names.h&#x22;, &#x22;lv_obj_scroll.h&#x22;, &#x22;lv_obj_style.h&#x22;, &#x22;lv_obj_style_gen.h&#x22;, &#x22;lv_obj_tree.h&#x22;, &#x22;lv_observer.h&#x22;, &#x22;lv_palette.h&#x22;, &#x22;lv_profiler.h&#x22;, &#x22;lv_profiler_builtin.h&#x22;, &#x22;lv_sprintf.h&#x22;, &#x22;lv_string.h&#x22;, &#x22;lv_style.h&#x22;, &#x22;lv_style_gen.h&#x22;, &#x22;lv_style_properties.h&#x22;, &#x22;lv_symbol_def.h&#x22;, &#x22;lv_text.h&#x22;, &#x22;lv_tick.h&#x22;, &#x22;lv_timer.h&#x22;, &#x22;lv_types.h&#x22;]" />