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#
# Copyright (c) 2014-2015 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
menuconfig KERNEL_EVENT_LOGGER
bool
prompt "Enable kernel event logger features"
default n
select RING_BUFFER
help
This feature enables the usage of the profiling logger. Provides the
logging of sleep events (either entering or leaving low power conditions),
context switch events, interrupt events, boot events and a method to
collect these event messages.
if KERNEL_EVENT_LOGGER
config KERNEL_EVENT_LOGGER_BUFFER_SIZE
int
prompt "Kernel event logger buffer size"
default 128
help
Buffer size in 32-bit words.
config KERNEL_EVENT_LOGGER_DYNAMIC
bool
prompt "Kernel event logger dynamic enabling"
default n
help
If enabled, kernel event logger is not logging any data to the ring buffer
It is up to the application to set the appropriate flags to enable/disable the
logging of each event type.
config KERNEL_EVENT_LOGGER_CUSTOM_TIMESTAMP
bool
prompt "Kernel event logger custom timestamp"
default n
help
This flag enables the possibility to set the timer function to be used to
populate kernel event logger timestamp. This has to be done at runtime by
calling sys_k_event_logger_set_timer and providing the function callback.
menu "Kernel event logging points"
config KERNEL_EVENT_LOGGER_CONTEXT_SWITCH
bool
prompt "Context switch event logging point"
default n
help
Enable the context switch event messages.
config KERNEL_EVENT_LOGGER_INTERRUPT
bool
prompt "Interrupt event logging point"
default n
help
Enable interrupt event messages. These messages provide the following
information: The time when interrupts occur.
config KERNEL_EVENT_LOGGER_SLEEP
bool
prompt "Sleep event logging point"
default n
depends on SYS_POWER_MANAGEMENT
help
Enable low power condition event messages. These messages provide the
following information:
- When the CPU went to sleep mode.
- When the CPU woke up.
- The ID of the interrupt that woke the CPU up.
endmenu
endif
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