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logging: Add configurable logging thread delay

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This patch adds confiugurable delay when starting log processing
thread.

Signed-off-by: Emil Obalski <emil.obalski@nordicsemi.no>
This commit is contained in:
Emil Obalski 2021-08-13 15:56:51 +02:00 • committed by Christopher Friedt
commit 6f4f1dc230
3 changed files with 14 additions and 1 deletions
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3
doc/reference/logging/index.rst
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@ -156,6 +156,9 @@ threshold is used by the internal thread.
:kconfig:`CONFIG_LOG_PROCESS_THREAD`: When enabled, logging thread is created :kconfig:`CONFIG_LOG_PROCESS_THREAD`: When enabled, logging thread is created
which handles log processing. which handles log processing.
:kconfig:`CONFIG_LOG_PROCESS_THREAD_STARTUP_DELAY_MS`: Delay in milliseconds
after which logging thread is started.
:kconfig:`CONFIG_LOG_BUFFER_SIZE`: Number of bytes dedicated for the message pool. :kconfig:`CONFIG_LOG_BUFFER_SIZE`: Number of bytes dedicated for the message pool.
Single message capable of storing standard log with up to 3 arguments or hexdump Single message capable of storing standard log with up to 3 arguments or hexdump
message with 12 bytes of data take 32 bytes. In v2 it indicates buffer size message with 12 bytes of data take 32 bytes. In v2 it indicates buffer size

7
subsys/logging/Kconfig.processing
View file

@ -67,6 +67,13 @@ config LOG_PROCESS_THREAD
if LOG_PROCESS_THREAD 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 config LOG_PROCESS_THREAD_SLEEP_MS
int "Set internal log processing thread sleep period" int "Set internal log processing thread sleep period"
default 1000 default 1000

5
subsys/logging/log_core.c
View file

@ -1271,7 +1271,10 @@ static int enable_logger(const struct device *arg)
k_thread_create(&logging_thread, logging_stack, k_thread_create(&logging_thread, logging_stack,
K_KERNEL_STACK_SIZEOF(logging_stack), K_KERNEL_STACK_SIZEOF(logging_stack),
log_process_thread_func, NULL, NULL, NULL, log_process_thread_func, NULL, NULL, NULL,
K_LOWEST_APPLICATION_THREAD_PRIO, 0, K_NO_WAIT); K_LOWEST_APPLICATION_THREAD_PRIO, 0,
COND_CODE_1(CONFIG_LOG_PROCESS_THREAD,
K_MSEC(CONFIG_LOG_PROCESS_THREAD_STARTUP_DELAY_MS),
K_NO_WAIT));
k_thread_name_set(&logging_thread, "logging"); k_thread_name_set(&logging_thread, "logging");
} else { } else {
log_init(); log_init();