diff options
Diffstat (limited to 'kernel/time/Kconfig')
-rw-r--r-- | kernel/time/Kconfig | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig index 83e158d016ba..04bfd62f5e5c 100644 --- a/kernel/time/Kconfig +++ b/kernel/time/Kconfig @@ -64,6 +64,15 @@ config LEGACY_TIMER_TICK lack support for the generic clockevent framework. New platforms should use generic clockevents instead. +config TIME_KUNIT_TEST + tristate "KUnit test for kernel/time functions" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS + help + Enable this option to test RTC library functions. + + If unsure, say N. + if GENERIC_CLOCKEVENTS menu "Timers subsystem" @@ -117,13 +126,14 @@ config NO_HZ_FULL the task mostly runs in userspace and has few kernel activity. You need to fill up the nohz_full boot parameter with the - desired range of dynticks CPUs. + desired range of dynticks CPUs to use it. This is implemented at + the expense of some overhead in user <-> kernel transitions: + syscalls, exceptions and interrupts. - This is implemented at the expense of some overhead in user <-> kernel - transitions: syscalls, exceptions and interrupts. Even when it's - dynamically off. + By default, without passing the nohz_full parameter, this behaves just + like NO_HZ_IDLE. - Say N. + If you're a distro say Y. endchoice |