72 lines
4.8 KiB
ReStructuredText
72 lines
4.8 KiB
ReStructuredText
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.. _logging_dictionary_sample:
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Dictionary-based Logging Sample
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###############################
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This is a sample app which utilizes dictionary based logging and
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the UART backend. This is configured to output binary log data
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in hexadecimal so it could be run in terminal.
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Building and Running
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********************
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This application can be built and executed on QEMU as follows:
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.. zephyr-app-commands::
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:zephyr-app: samples/subsys/logging/dictionary
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:host-os: unix
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:board: qemu_x86
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:goals: run
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:compact:
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To build for another board, change "qemu_x86" above to that board's name.
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Sample Output
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=============
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.. code-block:: none
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SeaBIOS (version zephyr-v1.0.0-0-g31d4e0e-dirty-20200714_234759-fv-az50-zephyr)
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Booting from ROM..##ZLOGV1##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Running the Log Parser
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======================
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1. Pipe the run output or copy the hexadecimal string into a temporary file ``/tmp/serial.log``:
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.. code-block:: none
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##ZLOGV1##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2. Run the log parser to get the text output:
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.. code-block:: console
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./scripts/logging/dictionary/log_parser.py build/zephyr/log_dictionary.json /tmp/serial.log --hex
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And here is the output:
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.. code-block:: none
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*** Booting Zephyr OS build zephyr-v2.5.0-2471-g09b9eaf333e6 ***
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Hello World! qemu_x86
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[ 77820] <err> hello_world: error string
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[ 86332] <dbg> hello_world: main: debug string
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[ 96275] <inf> hello_world: info string
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[ 104784] <dbg> hello_world: main: int8_t 1, uint8_t 2
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[ 117609] <dbg> hello_world: main: int16_t 16, uint16_t 17
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[ 130454] <dbg> hello_world: main: int32_t 32, uint32_t 33
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[ 143299] <dbg> hello_world: main: int64_t 64, uint64_t 65
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[ 166374] <dbg> hello_world: main: char !
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[ 179452] <dbg> hello_world: main: s str static str
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[ 193395] <dbg> hello_world: main: d str dynamic str
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[ 217283] <dbg> hello_world: main: mixed str dynamic str --- dynamic str --- another dynamic str --- another dynamic str
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[ 266022] <dbg> hello_world: main: mixed c/s ! static str dynamic str static str !
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[ 287888] <dbg> hello_world: main: pointer 0x10651a
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[ 301600] <dbg> hello_world: main: For HeXdUmP!
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48 45 58 44 55 4d 50 21 20 48 45 58 44 55 4d 50 |HEXDUMP! HEXDUMP
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40 20 48 45 58 44 55 4d 50 23 |@ HEXDUM P#
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