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[nrf fromlist] samples: boards: nordic: coresight_stm: Test STM dictionary mode
Extend STM logger test. Use nrfutil trace to decode STM logs in dictionary mode. Upstream PR: zephyrproject-rtos/zephyr#78947 Signed-off-by: Sebastian Głąb <[email protected]>
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‎samples/boards/nrf/coresight_stm/README.rst‎

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.. _nrf-coresight-stm-sample:
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Coresight STM demo
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##################
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Overview
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********
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This sample presents how to enable STM logging on nRF54H20 platform.
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Also, it prints timing for different log messages.
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Thus, performance of different loggers can be compared.
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Sample has three configurations:
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#. 'sample.boards.nrf.coresight_stm.local_uart'
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This configuration doesn't use STM. Logs are printed on local console.
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#. 'sample.boards.nrf.coresight_stm'
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This configuration use STM. Application and Radio cores send logs to ETR buffer.
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Proxy (Application core) gets logs from the ETR buffer, decodes STPv2 data
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and prints human readable logs on UART.
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#. 'sample.boards.nrf.coresight_stm.dict'
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This sample uses STM logging in dictionary mode. Application and Radio cores
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send logs to ETR buffer. Proxy (Application core) forwards data from ETR to
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the host using UART. Host tool is needed to decode the logs.
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Requirements
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************
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This application uses nRF54H20 DK board for the demo.
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Building and running
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********************
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To build the sample, use configuration setups from :file:`sample.yaml` using the ``-T`` option.
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See the following examples:
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nRF54H20 DK
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You can build the test for application and radio cores as follows:
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.. code-block:: console
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west build -p -b nrf54h20dk/nrf54h20/cpuapp -T sample.boards.nrf.coresight_stm .
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Sample Output
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=============
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.. code-block:: console
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*** Using Zephyr OS v3.6.99-5bb7bb0af17c ***
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[00:00:00.385,817] <inf> rad/app: test with one argument 100
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[00:00:00.385,827] <inf> rad/app: test with one argument 100
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[00:00:00.385,832] <inf> rad/app: test with one argument 100
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[00:00:00.385,836] <inf> rad/app: test with one argument 100
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[00:00:00.385,841] <inf> rad/app: test with one argument 100
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[00:00:00.385,846] <inf> rad/app: test with one argument 100
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[00:00:00.385,851] <inf> rad/app: test with one argument 100
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[00:00:00.385,856] <inf> rad/app: test with one argument 100
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[00:00:00.385,860] <inf> rad/app: test with one argument 100
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[00:00:00.385,865] <inf> rad/app: test with one argument 100
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[00:00:00.424,091] <inf> app/app: test with one argument 100
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[00:00:00.424,094] <inf> app/app: test with one argument 100
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[00:00:00.424,096] <inf> app/app: test with one argument 100
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[00:00:00.424,097] <inf> app/app: test with one argument 100
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[00:00:00.424,099] <inf> app/app: test with one argument 100
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[00:00:00.424,100] <inf> app/app: test with one argument 100
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[00:00:00.424,102] <inf> app/app: test with one argument 100
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[00:00:00.424,104] <inf> app/app: test with one argument 100
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[00:00:00.424,105] <inf> app/app: test with one argument 100
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[00:00:00.424,108] <inf> app/app: test with one argument 100
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[00:00:00.585,056] <inf> rad/app: test with two arguments 100 10
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[00:00:00.585,065] <inf> rad/app: test with two arguments 100 10
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[00:00:00.585,070] <inf> rad/app: test with two arguments 100 10
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[00:00:00.585,075] <inf> rad/app: test with two arguments 100 10
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[00:00:00.585,080] <inf> rad/app: test with two arguments 100 10
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[00:00:00.585,086] <inf> rad/app: test with two arguments 100 10
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[00:00:00.585,091] <inf> rad/app: test with two arguments 100 10
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[00:00:00.585,096] <inf> rad/app: test with two arguments 100 10
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[00:00:00.585,100] <inf> rad/app: test with two arguments 100 10
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[00:00:00.585,105] <inf> rad/app: test with two arguments 100 10
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[00:00:00.623,262] <inf> app/app: test with two arguments 100 10
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[00:00:00.623,265] <inf> app/app: test with two arguments 100 10
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[00:00:00.623,267] <inf> app/app: test with two arguments 100 10
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[00:00:00.623,268] <inf> app/app: test with two arguments 100 10
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[00:00:00.623,272] <inf> app/app: test with two arguments 100 10
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[00:00:00.623,273] <inf> app/app: test with two arguments 100 10
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[00:00:00.623,275] <inf> app/app: test with two arguments 100 10
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[00:00:00.623,276] <inf> app/app: test with two arguments 100 10
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[00:00:00.623,278] <inf> app/app: test with two arguments 100 10
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[00:00:00.623,280] <inf> app/app: test with two arguments 100 10
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[00:00:00.784,382] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.784,392] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.784,398] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.784,403] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.784,409] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.784,414] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.784,419] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.784,425] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.784,430] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.784,436] <inf> rad/app: test with three arguments 100 10 1
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[00:00:00.822,484] <inf> app/app: test with three arguments 100 10 1
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[00:00:00.822,488] <inf> app/app: test with three arguments 100 10 1
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[00:00:00.822,489] <inf> app/app: test with three arguments 100 10 1
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[00:00:00.822,491] <inf> app/app: test with three arguments 100 10 1
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[00:00:00.822,492] <inf> app/app: test with three arguments 100 10 1
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[00:00:00.822,494] <inf> app/app: test with three arguments 100 10 1
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[00:00:00.822,500] <inf> app/app: test with three arguments 100 10 1
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[00:00:00.822,502] <inf> app/app: test with three arguments 100 10 1
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[00:00:00.983,660] <inf> rad/app: test with string test string
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[00:00:00.983,673] <inf> rad/app: test with string test string
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[00:00:00.983,678] <inf> rad/app: test with string test string
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[00:00:00.983,684] <inf> rad/app: test with string test string
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[00:00:00.983,691] <inf> rad/app: test with string test string
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[00:00:00.983,697] <inf> rad/app: test with string test string
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[00:00:00.983,702] <inf> rad/app: test with string test string
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[00:00:00.983,708] <inf> rad/app: test with string test string
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[00:00:00.983,715] <inf> rad/app: test with string test string
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[00:00:00.983,720] <inf> rad/app: test with string test string
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[00:00:01.021,668] <inf> app/app: test with string test string
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[00:00:01.021,678] <inf> app/app: test with string test string
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[00:00:01.021,681] <inf> app/app: test with string test string
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[00:00:01.021,684] <inf> app/app: test with string test string
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[00:00:01.021,688] <inf> app/app: test with string test string
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[00:00:01.021,692] <inf> app/app: test with string test string
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[00:00:01.021,696] <inf> app/app: test with string test string
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[00:00:01.021,699] <inf> app/app: test with string test string
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[00:00:01.021,702] <inf> app/app: test with string test string
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[00:00:01.021,707] <inf> app/app: test with string test string
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[00:00:01.182,876] rad/tp: 5
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[00:00:01.182,876] rad/tp: 5
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[00:00:01.182,876] rad/tp: 5
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[00:00:01.182,876] rad/tp: 5
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[00:00:01.182,876] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.182,878] rad/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,788] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.220,790] app/tp: 5
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,048] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.382,049] rad/tp: 6 0000000a
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[00:00:01.419,950] app/tp: 6 0000000a
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[00:00:01.419,950] app/tp: 6 0000000a
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[00:00:01.419,950] app/tp: 6 0000000a
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[00:00:01.419,950] app/tp: 6 0000000a
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[00:00:01.419,950] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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[00:00:01.419,952] app/tp: 6 0000000a
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rad: Timing for log message with 0 arguments: 6.60us
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rad: Timing for log message with 1 argument: 5.80us
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rad: Timing for log message with 2 arguments: 6.0us
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rad: Timing for log message with 3 arguments: 6.40us
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rad: Timing for log_message with string: 7.10us
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rad: Timing for tracepoint: 0.5us
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rad: Timing for tracepoint_d32: 0.5us
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app: Timing for log message with 0 arguments: 3.20us
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app: Timing for log message with 1 argument: 2.10us
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app: Timing for log message with 2 arguments: 2.10us
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app: Timing for log message with 3 arguments: 2.0us
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app: Timing for log_message with string: 4.50us
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app: Timing for tracepoint: 0.10us
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app: Timing for tracepoint_d32: 0.10us
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See OS Services » Logging » Multi-domain logging using ARM Coresight STM` for details.

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