Commit b1c14a39 authored by Paul E. McKenney's avatar Paul E. McKenney

torture: Update RCU test scenario documentation

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: default avatarJosh Triplett <josh@joshtriplett.org>
parent c31db96f
...@@ -14,6 +14,7 @@ CONFIG_NO_HZ_FULL_SYSIDLE -- Do one. ...@@ -14,6 +14,7 @@ CONFIG_NO_HZ_FULL_SYSIDLE -- Do one.
CONFIG_PREEMPT -- Do half. (First three and #8.) CONFIG_PREEMPT -- Do half. (First three and #8.)
CONFIG_PROVE_LOCKING -- Do several, covering CONFIG_DEBUG_LOCK_ALLOC=y and not. CONFIG_PROVE_LOCKING -- Do several, covering CONFIG_DEBUG_LOCK_ALLOC=y and not.
CONFIG_PROVE_RCU -- Hardwired to CONFIG_PROVE_LOCKING. CONFIG_PROVE_RCU -- Hardwired to CONFIG_PROVE_LOCKING.
CONFIG_PROVE_RCU_REPEATEDLY -- Do one.
CONFIG_RCU_BOOST -- one of PREEMPT_RCU. CONFIG_RCU_BOOST -- one of PREEMPT_RCU.
CONFIG_RCU_KTHREAD_PRIO -- set to 2 for _BOOST testing. CONFIG_RCU_KTHREAD_PRIO -- set to 2 for _BOOST testing.
CONFIG_RCU_FANOUT -- Cover hierarchy, but overlap with others. CONFIG_RCU_FANOUT -- Cover hierarchy, but overlap with others.
...@@ -25,7 +26,12 @@ CONFIG_RCU_NOCB_CPU_NONE -- Do one. ...@@ -25,7 +26,12 @@ CONFIG_RCU_NOCB_CPU_NONE -- Do one.
CONFIG_RCU_NOCB_CPU_ZERO -- Do one. CONFIG_RCU_NOCB_CPU_ZERO -- Do one.
CONFIG_RCU_TRACE -- Do half. CONFIG_RCU_TRACE -- Do half.
CONFIG_SMP -- Need one !SMP for PREEMPT_RCU. CONFIG_SMP -- Need one !SMP for PREEMPT_RCU.
!RCU_EXPERT -- Do a few, but these have to be vanilla configurations. CONFIG_RCU_EXPERT=n -- Do a few, but these have to be vanilla configurations.
CONFIG_RCU_EQS_DEBUG -- Do at least one for CONFIG_NO_HZ_FULL and not.
CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP -- Do for all but a couple TREE scenarios.
CONFIG_RCU_TORTURE_TEST_SLOW_INIT -- Do for all but a couple TREE scenarios.
CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT -- Do for all but a couple TREE scenarios.
RCU-bh: Do one with PREEMPT and one with !PREEMPT. RCU-bh: Do one with PREEMPT and one with !PREEMPT.
RCU-sched: Do one with PREEMPT but not BOOST. RCU-sched: Do one with PREEMPT but not BOOST.
...@@ -72,7 +78,30 @@ CONFIG_RCU_TORTURE_TEST_RUNNABLE ...@@ -72,7 +78,30 @@ CONFIG_RCU_TORTURE_TEST_RUNNABLE
Always used in KVM testing. Always used in KVM testing.
CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT_DELAY
CONFIG_RCU_TORTURE_TEST_SLOW_INIT_DELAY
CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP_DELAY
Inspection suffices, ignore.
CONFIG_PREEMPT_RCU CONFIG_PREEMPT_RCU
CONFIG_TREE_RCU CONFIG_TREE_RCU
CONFIG_TINY_RCU
These are controlled by CONFIG_PREEMPT and/or CONFIG_SMP.
CONFIG_SPARSE_RCU_POINTER
Makes sense only for sparse runs, not for kernel builds.
CONFIG_SRCU
CONFIG_TASKS_RCU
Selected by CONFIG_RCU_TORTURE_TEST, so cannot disable.
CONFIG_RCU_TRACE
Implied by CONFIG_RCU_TRACE for Tree RCU.
These are controlled by CONFIG_PREEMPT. boot parameters ignored: TBD
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