183 lines
4.5 KiB
Text
183 lines
4.5 KiB
Text
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# Debug configuration options
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# Copyright (c) 2015 Wind River Systems, Inc.
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# SPDX-License-Identifier: Apache-2.0
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DT_CHOSEN_Z_CONSOLE := zephyr,console
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config TRACING
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bool "Enabling Tracing"
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help
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Enable system tracing. This requires a backend such as SEGGER
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Systemview to be enabled as well.
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if TRACING
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choice
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prompt "Tracing Method"
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default TRACING_ASYNC
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config TRACING_SYNC
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bool "Synchronous Tracing"
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select RING_BUFFER
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help
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Enable synchronous tracing. This requires the backend to be
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very low-latency.
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config TRACING_ASYNC
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bool "Asynchronous Tracing"
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select RING_BUFFER
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help
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Enable asynchronous tracing. This will buffer all the tracing
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packets to the ring buffer first, tracing thread will try to
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output as much data in ring buffer as possible when tracing
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thread get scheduled.
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endchoice
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config TRACING_THREAD_STACK_SIZE
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int "Stack size of tracing thread"
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default 1024
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depends on TRACING_ASYNC
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help
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Stack size of tracing thread.
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config TRACING_THREAD_WAIT_THRESHOLD
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int "Tracing thread waiting threshold"
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default 100
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depends on TRACING_ASYNC
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help
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Tracing thread waiting period given in milliseconds after
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every first packet put to tracing buffer.
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config TRACING_BUFFER_SIZE
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int "Size of tracing buffer"
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default 2048 if TRACING_ASYNC
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default TRACING_PACKET_MAX_SIZE if TRACING_SYNC
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range 32 65536
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help
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Size of tracing buffer. If TRACING_ASYNC is enabled, tracing buffer
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is used as ring_buffer to buffer data packet and string packet. If
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TRACING_SYNC is enabled, it's used to hold the formated data.
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config TRACING_PACKET_MAX_SIZE
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int "Max size of one tracing packet"
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default 32
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help
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Max size of one tracing packet.
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choice
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prompt "Tracing Backend"
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default TRACING_BACKEND_UART
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config TRACING_BACKEND_UART
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bool "Enable UART backend"
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depends on UART_CONSOLE
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depends on TRACING_ASYNC
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help
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When enabled backend is using UART to output tracing data.
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config TRACING_BACKEND_USB
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bool "Enable USB backend"
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depends on TRACING_ASYNC
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help
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When enabled backend is using USB to output tracing data.
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config TRACING_BACKEND_POSIX
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bool "Enable POSIX backend"
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depends on TRACING_SYNC
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depends on ARCH_POSIX
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help
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When enabled backend is using posix API to output tracing
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data to file system.
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endchoice
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config TRACING_BACKEND_UART_NAME
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string "Device Name of UART Device for UART backend"
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default "$(dt_chosen_label,$(DT_CHOSEN_Z_CONSOLE))" if HAS_DTS
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default "UART_0"
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depends on TRACING_BACKEND_UART
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help
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This option specifies the name of UART device to be used for
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tracing backend.
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config TRACING_USB_MPS
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int "USB backend max packet size"
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default 64
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depends on TRACING_BACKEND_USB
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help
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USB tracing backend max packet size(endpoint MPS).
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config TRACING_HANDLE_HOST_CMD
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bool "Enable host cmd handle"
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select UART_INTERRUPT_DRIVEN if TRACING_BACKEND_UART
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help
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When enabled tracing will handle cmd from host to dynamically
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enable and disable tracing to have host capture tracing stream
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data conveniently.
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config TRACING_CMD_BUFFER_SIZE
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int "Size of tracing cmd buffer"
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default 32
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range 32 128
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help
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Size of tracing command buffer.
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config TRACING_ISR
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bool "Enabling Tracing ISR"
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help
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Enable tracing ISR. This requires the backend to be
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very low-latency.
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endif
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config TRACING_CPU_STATS
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bool "Enable CPU usage tracing"
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select THREAD_MONITOR
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select THREAD_STACK_INFO
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select TRACING
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help
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Module provides information about percent of CPU usage based on
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tracing hooks for threads switching in and out, interrupts enters
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and exits (only distinguishes between idle thread, non idle thread
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and scheduler). Use provided API or enable automatic logging to
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get values.
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config TRACING_CPU_STATS_LOG
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bool "Enable current CPU usage logging"
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depends on TRACING_CPU_STATS
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help
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Periodically displays information about CPU usage.
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config TRACING_CPU_STATS_INTERVAL
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int "Logging interval for CPU measurements [ms]"
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default 2000
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depends on TRACING_CPU_STATS_LOG
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help
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Time period of displaying information about CPU usage.
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config TRACING_CTF
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bool "Tracing via Common Trace Format support"
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select THREAD_MONITOR
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select TRACING
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help
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Enable tracing to a Common Trace Format stream.
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config TRACING_CTF_TIMESTAMP
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bool "Enable CTF internal timestamp"
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default y
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help
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Timestamp prefix will be added to the beginning of CTF
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event internally.
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config TRACING_TEST
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bool "Tracing for test usage"
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depends on TRACING
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help
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Enable tracing for testing kinds of format purpose. It must
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implement the tracing hooks defined in tracing_test.h
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source "subsys/tracing/Kconfig.segger"
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