3a9e233089
Fix stack size requirement in hci_rpmsg sample based on
profiling using thread analyzer.
Below is the observed stack usages now under Connected ISO
audio application on nrf5340_audio_dk_nrf5340_cpunet:
Thread analyze:
0x21001968 : STACK: unused 248 usage 264 / 512 (51 %); CPU: 1 %
: Total CPU cycles used: 102725
HCI rpmsg TX : STACK: unused 560 usage 592 / 1152 (51 %); CPU: 0 %
: Total CPU cycles used: 73484
BT RX : STACK: unused 208 usage 432 / 640 (67 %); CPU: 2 %
: Total CPU cycles used: 198386
BT RX pri : STACK: unused 200 usage 184 / 384 (47 %); CPU: 1 %
: Total CPU cycles used: 147340
thread_analyzer : STACK: unused 544 usage 480 / 1024 (46 %); CPU: 1 %
: Total CPU cycles used: 169843
sysworkq : STACK: unused 208 usage 304 / 512 (59 %); CPU: 0 %
: Total CPU cycles used: 1
idle : STACK: unused 208 usage 48 / 256 (18 %); CPU: 91 %
: Total CPU cycles used: 8529054
main : STACK: unused 144 usage 368 / 512 (71 %); CPU: 1 %
: Total CPU cycles used: 107724
ISR0 : STACK: unused 192 usage 832 / 1024 (81 %)
Below is the observed stack usages now under Broadcast ISO
audio application on nrf5340_audio_dk_nrf5340_cpunet:
Thread analyze:
0x21001968 : STACK: unused 248 usage 264 / 512 (51 %); CPU: 2 %
: Total CPU cycles used: 622241
HCI rpmsg TX : STACK: unused 240 usage 912 / 1152 (79 %); CPU: 2 %
: Total CPU cycles used: 504720
BT RX : STACK: unused 464 usage 176 / 640 (27 %); CPU: 0 %
: Total CPU cycles used: 3
BT RX pri : STACK: unused 200 usage 184 / 384 (47 %); CPU: 0 %
: Total CPU cycles used: 212981
thread_analyzer : STACK: unused 544 usage 480 / 1024 (46 %); CPU: 1 %
: Total CPU cycles used: 419593
sysworkq : STACK: unused 336 usage 176 / 512 (34 %); CPU: 0 %
: Total CPU cycles used: 1
idle : STACK: unused 208 usage 48 / 256 (18 %); CPU: 91 %
: Total CPU cycles used: 22065557
main : STACK: unused 144 usage 368 / 512 (71 %); CPU: 1 %
: Total CPU cycles used: 388285
ISR0 : STACK: unused 304 usage 720 / 1024 (70 %)
Relates to commit
|
||
|---|---|---|
| .. | ||
| dts/arm/nordic | ||
| src | ||
| CMakeLists.txt | ||
| debug_overlay.conf | ||
| nrf5340_cpunet_bis-bt_ll_sw_split.conf | ||
| nrf5340_cpunet_cis-bt_ll_sw_split.conf | ||
| nrf5340_cpunet_df-bt_ll_sw_split.conf | ||
| nrf5340_cpunet_df-bt_ll_sw_split.overlay | ||
| nrf5340_cpunet_iso_broadcast-bt_ll_sw_split.conf | ||
| nrf5340_cpunet_iso_central-bt_ll_sw_split.conf | ||
| nrf5340_cpunet_iso_peripheral-bt_ll_sw_split.conf | ||
| nrf5340_cpunet_iso_receive-bt_ll_sw_split.conf | ||
| nrf5340_cpunet_iso-bt_ll_sw_split.conf | ||
| prj.conf | ||
| README.rst | ||
| sample.yaml | ||
.. _bluetooth-hci-rpmsg-sample: Bluetooth: HCI RPMsg #################### Overview ******** This sample exposes :ref:`bluetooth_controller` support to another device or CPU using RPMsg transport which is a part of `OpenAMP <https://github.com/OpenAMP/open-amp/>`__. Requirements ************ * A board with :ref:`ipm_api` driver and Bluetooth LE support Building and Running ******************** This sample can be found under :zephyr_file:`samples/bluetooth/hci_rpmsg` in the Zephyr tree. To use this application, you need a board with a Bluetooth controller and IPM drivers. You can then build this application and flash it onto your board in the usual way. See :ref:`boards` for board-specific building and programming information. To test this sample, you need a separate device/CPU that acts as Bluetooth HCI RPMsg peer. This sample is compatible with the HCI RPMsg driver provided by Zephyr's Bluetooth :ref:`bt_hci_drivers` core. See the :kconfig:option:`CONFIG_BT_RPMSG` configuration option for more information. You might need to adjust the Kconfig configuration of this sample to make it compatible with the peer application. For example, :kconfig:option:`CONFIG_BT_MAX_CONN` must be equal to the maximum number of connections supported by the peer application. Refer to :ref:`bluetooth-samples` for general information about Bluetooth samples.