zephyr/subsys/logging/backends/Kconfig.fs

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# Copyright (c) 2021 Nordic Semiconductor ASA
# SPDX-License-Identifier: Apache-2.0
config LOG_BACKEND_FS
bool "File system backend"
depends on FILE_SYSTEM
select LOG_OUTPUT
help
When enabled, backend is using the configured file system to output logs.
As the file system must be mounted for the logging to work, it must be
either configured for auto-mount or manually mounted by the application.
Log messages are discarded as long as the file system is not mounted.
if LOG_BACKEND_FS
backend = FS
backend-str = fs
source "subsys/logging/Kconfig.template.log_format_config"
config LOG_BACKEND_FS_OVERWRITE
bool "Old log files overwrite"
default y
help
When enabled backend overwrites oldest log files.
In other case, when memory is full, new messages are dropped.
config LOG_BACKEND_FS_FILE_PREFIX
string "Log file name prefix"
default "log."
help
User defined name of log files saved in the file system.
The prefix is followed by the number of log file.
config LOG_BACKEND_FS_DIR
string "Log directory"
default "/lfs1"
help
Directory to which log files will be written.
config LOG_BACKEND_FS_FILE_SIZE
int "User defined log file size"
default 4096
range 128 1073741824
help
Max log file size (in bytes).
config LOG_BACKEND_FS_FILES_LIMIT
int "Max number of files containing logs"
default 10
help
Limit of number of files with logs. It is also limited by
size of file system partition.
endif # LOG_BACKEND_FS