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| author | Paul E. McKenney <paulmck@kernel.org> | 2022-05-11 11:49:35 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2022-05-11 11:49:35 -0700 |
| commit | ce13389053a347aa9f8ffbfda2238352536e15c9 (patch) | |
| tree | 1bdfa4c0aeb2038dcee1a7802d2d693359e8aeb4 /kernel/rcu/Kconfig.debug | |
| parent | be05ee54378d451e1d60196921566d6087f3079f (diff) | |
| parent | 9621fbee44df940e2e1b94b0676460a538dffefa (diff) | |
Merge branch 'exp.2022.05.11a' into HEAD
exp.2022.05.11a: Expedited-grace-period latency-reduction updates.
Diffstat (limited to 'kernel/rcu/Kconfig.debug')
| -rw-r--r-- | kernel/rcu/Kconfig.debug | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/rcu/Kconfig.debug b/kernel/rcu/Kconfig.debug index 68092e1db64b..9b64e55d4f61 100644 --- a/kernel/rcu/Kconfig.debug +++ b/kernel/rcu/Kconfig.debug @@ -82,6 +82,20 @@ config RCU_CPU_STALL_TIMEOUT RCU grace period persists, additional CPU stall warnings are printed at more widely spaced intervals. +config RCU_EXP_CPU_STALL_TIMEOUT + int "Expedited RCU CPU stall timeout in milliseconds" + depends on RCU_STALL_COMMON + range 0 21000 + default 20 if ANDROID + default 0 if !ANDROID + help + If a given expedited RCU grace period extends more than the + specified number of milliseconds, a CPU stall warning is printed. + If the RCU grace period persists, additional CPU stall warnings + are printed at more widely spaced intervals. A value of zero + says to use the RCU_CPU_STALL_TIMEOUT value converted from + seconds to milliseconds. + config RCU_TRACE bool "Enable tracing for RCU" depends on DEBUG_KERNEL |