# Copyright (c) 2021 Nordic Semiconductor ASA # SPDX-License-Identifier: Apache-2.0 menu "Processing" if !LOG_MINIMAL config LOG_PRINTK bool "Process printk messages" help LOG_PRINTK messages are formatted in place and logged unconditionally. config LOG_PRINTK_MAX_STRING_LENGTH int "Maximum string length supported by LOG_PRINTK" depends on LOG_PRINTK depends on (!LOG_IMMEDIATE || USERSPACE) default 128 help Array is allocated on the stack. if !LOG_IMMEDIATE 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" 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 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_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 SPARC default 2048 if COVERAGE_GCOV default 2048 if (RISCV && 64BIT) default 2048 if LOG_BACKEND_FS default 1152 if LOG_BACKEND_NET default 1024 if NO_OPTIMIZATIONS default 1024 if XTENSA default 768 help Set the internal stack size for log processing thread. 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_IMMEDIATE if LOG_MODE_DEFERRED config LOG_DETECT_MISSED_STRDUP bool "Detect missed handling of transient strings" default y if !LOG_IMMEDIATE help If enabled, logger will assert and log error message is it detects that string format specifier (%s) and string address which is not from read only memory section and not from pool used for string duplicates. String argument must be duplicated in that case using log_strdup(). Detection is performed during log processing thus it does not impact logging timing. config LOG_STRDUP_MAX_STRING int "Longest string that can be duplicated using log_strdup()" range 1 8192 default 66 if BT default 46 if NETWORKING default 32 help Longer strings are truncated. config LOG_STRDUP_BUF_COUNT int "Number of buffers in the pool used by log_strdup()" default 8 if BT default 4 help Number of calls to log_strdup() which can be pending before flushed to output. If "" message is seen in the log output, it means this value is too small and should be increased. Each entry takes CONFIG_LOG_STRDUP_MAX_STRING bytes of memory plus some additional fixed overhead. config LOG_STRDUP_POOL_PROFILING bool "Enable profiling of pool used for log_strdup()" help When enabled, maximal utilization of the pool is tracked. It can be read out using shell command. endif # LOG_MODE_DEFERRED if LOG2 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_SPEED bool "Prefer performance over size" help If enabled, logging may take more code size to get faster logging. endif # LOG2 endif # !LOG_MINIMAL endmenu