# lv_sysmon_private.h (/api/private/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="private/debugging/sysmon/lv_sysmon_private.h" line="77" url="https://github.com/lvgl/lvgl/tree/e1a0ad863f29742359bc680d6a7d973448ec2285/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="private/debugging/sysmon/lv_sysmon_private.h" line="82" url="https://github.com/lvgl/lvgl/tree/e1a0ad863f29742359bc680d6a7d973448ec2285/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" display="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`                        | `bool`                                                                            |                                           |
  | `refr_start`                    | `uint32_t`                                                                        |                                           |
  | `refr_interval_sum`             | `uint32_t`                                                                        |                                           |
  | `refr_elaps_sum`                | `uint32_t`                                                                        |                                           |
  | `refr_cnt`                      | `uint32_t`                                                                        |                                           |
  | `render_start`                  | `uint32_t`                                                                        |                                           |
  | `render_elaps_sum`              | `uint32_t`                                                                        |                                           |
  | `render_cnt`                    | `uint32_t`                                                                        |                                           |
  | `flush_in_render_start`         | `uint32_t`                                                                        |                                           |
  | `flush_in_render_elaps_sum`     | `uint32_t`                                                                        |                                           |
  | `flush_not_in_render_start`     | `uint32_t`                                                                        |                                           |
  | `flush_not_in_render_elaps_sum` | `uint32_t`                                                                        |                                           |
  | `last_report_timestamp`         | `uint32_t`                                                                        |                                           |
  | `render_in_progress`            | `uint32_t`                                                                        |                                           |
  | `measured`                      | <ApiLink name="_lv_sysmon_perf_info_t" display="struct _lv_sysmon_perf_info_t" /> |                                           |
  | `fps`                           | `uint32_t`                                                                        |                                           |
  | `cpu`                           | `uint32_t`                                                                        |                                           |
  | `refr_avg_time`                 | `uint32_t`                                                                        |                                           |
  | `render_avg_time`               | `uint32_t`                                                                        | Pure rendering time without flush time    |
  | `flush_avg_time`                | `uint32_t`                                                                        | Pure flushing time without rendering time |
  | `cpu_avg_total`                 | `uint32_t`                                                                        |                                           |
  | `fps_avg_total`                 | `uint32_t`                                                                        |                                           |
  | `run_cnt`                       | `uint32_t`                                                                        |                                           |
  | `calculated`                    | <ApiLink name="_lv_sysmon_perf_info_t" display="struct _lv_sysmon_perf_info_t" /> |                                           |
</ApiMember>

Dependencies [#dependencies]

<FileIncludes includes="[&#x22;lvgl_public.h&#x22;]" includedBy="[&#x22;lv_global.h&#x22;, &#x22;lv_display_private.h&#x22;, &#x22;lvgl_private.h&#x22;]" />