# Copyright (c) 2021 Nordic Semiconductor ASA # SPDX-License-Identifier: Apache-2.0 menu "Processing" if !LOG_MODE_MINIMAL config LOG_PRINTK bool "Process printk messages" depends on !USERSPACE default y if PRINTK help If enabled, printk messages are redirected to the logging subsystem. The messages are formatted in place and logged unconditionally. if LOG_MODE_DEFERRED && !LOG_FRONTEND_ONLY config LOG_MODE_OVERFLOW bool "Drop oldest message when full" default y help If enabled, then if there is no space to log a new message, the oldest one is dropped. If disabled, current message is dropped. config LOG_BLOCK_IN_THREAD bool "Block in thread context on full" depends on MULTITHREADING help When enabled logger will block (if in the thread context) when internal logger buffer is full and new message cannot be allocated. config LOG_BLOCK_IN_THREAD_TIMEOUT_MS int "Maximum time (in milliseconds) thread can be blocked" default 1000 range -1 10000 depends on LOG_BLOCK_IN_THREAD help If new buffer for a log message cannot be allocated in that time, log message is dropped. Forever blocking (-1) is possible however may lead to the logger deadlock if logging is enabled in threads used for logging (e.g. logger or shell thread). config LOG_PROCESS_TRIGGER_THRESHOLD int "Number of buffered log messages before flushing" default 10 depends on MULTITHREADING help When number of buffered messages reaches the threshold thread is waken up. Log processing thread ID is provided during log initialization. Set 0 to disable the feature. If LOG_PROCESS_THREAD is enabled then this threshold is used by the internal thread. config LOG_PROCESS_THREAD bool "Use internal thread for log processing" depends on MULTITHREADING default y help When enabled thread is created by the logger subsystem. Thread is waken up periodically (see LOG_PROCESS_THREAD_SLEEP_MS) and whenever number of buffered messages exceeds the threshold (see LOG_PROCESS_TRIGGER_THR). if LOG_PROCESS_THREAD config LOG_PROCESS_THREAD_STARTUP_DELAY_MS int "Set log processing thread startup delay" default 0 help Log processing thread starts after requested delay given in milliseconds. When started, thread process any buffered messages. config LOG_PROCESS_THREAD_SLEEP_MS int "Set internal log processing thread sleep period" default 1000 help Log processing thread sleeps for requested period given in milliseconds. When waken up, thread process any buffered messages. config LOG_PROCESS_THREAD_STACK_SIZE int "Stack size for the internal log processing thread" default 4096 if (X86 && X86_64) default 4096 if ARM64 default 4096 if (ARC && 64BIT) default 4096 if SPARC default 2048 if COVERAGE_GCOV default 2048 if (RISCV && 64BIT) default 2048 if LOG_BACKEND_FS default 1152 if LOG_BACKEND_NET default 4096 if NO_OPTIMIZATIONS default 1024 if XTENSA default 2048 if ASSERT || SPIN_VALIDATE default 768 help Set the internal stack size for log processing thread. config LOG_PROCESSING_LATENCY_US int "Maximum remote message latency (in microseconds)" default 100000 depends on LOG_MULTIDOMAIN help Arbitrary time between log message creation in the remote domain and processing in the local domain. Higher value increases message processing latency but increases chances of maintaining correct ordering of the messages. Option is used only if links are using dedicated buffers for remote messages. config LOG_PROCESS_THREAD_CUSTOM_PRIORITY bool "Custom log thread priority" help Set a custom value for the log processing thread. config LOG_PROCESS_THREAD_PRIORITY int "Priority of the log processing thread" default 0 depends on LOG_PROCESS_THREAD_CUSTOM_PRIORITY help The priority of the log processing thread. When not set the prority is set to K_LOWEST_APPLICATION_THREAD_PRIO. endif # LOG_PROCESS_THREAD config LOG_BUFFER_SIZE int "Number of bytes dedicated for the logger internal buffer" default 1024 range 128 65536 help Number of bytes dedicated for the logger internal buffer. endif # LOG_MODE_DEFERRED && !LOG_FRONTEND_ONLY if LOG_MULTIDOMAIN config LOG_DOMAIN_NAME_CACHE_ENTRY_SIZE int "Cache slot size of domain name" default 8 config LOG_DOMAIN_NAME_CACHE_ENTRY_COUNT int "Number of entries in domain name cache" default 2 config LOG_SOURCE_NAME_CACHE_ENTRY_SIZE int "Cache slot size of source name" default 16 config LOG_SOURCE_NAME_CACHE_ENTRY_COUNT int "Number of entries in source name cache" default 8 endif # LOG_MULTIDOMAIN config LOG_TRACE_SHORT_TIMESTAMP bool "Use 24 bit timestamp for tracing" default y help When enabled, shorter timestamp is used and trace message is compressed. config LOG_TIMESTAMP_64BIT bool "Use 64 bit timestamp" config LOG_TIMESTAMP_USE_REALTIME bool "Use real time clock for timestamp" select LOG_TIMESTAMP_64BIT depends on POSIX_TIMERS help When enabled, real time clock is used for timestamping. config LOG_SPEED bool "Prefer performance over size" depends on LOG_MODE_DEFERRED depends on !LOG_FRONTEND help If enabled, logging may take more code size to get faster logging. endif # !LOG_MODE_MINIMAL endmenu