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rcutorture: Refactor TREE_RCU test cases

Browse source 
The TREE_RCU test cases were first put in place many years ago, and have
been incrementally modified rather than being reworked.  This commit
therefore completes a long-overdue reworking of the TREE_RCU test cases.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
This commit is contained in:
Paul E. McKenney 2013-09-30 12:32:45 -07:00
parent a0b8e0853a
commit 27ac1ddf21
34 changed files with 328 additions and 480 deletions
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26
tools/testing/selftests/rcutorture/configs/CFLIST
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@ -1,17 +1,13 @@
sysidleY.2013.06.19a
sysidleN.2013.06.19a
P1-S-T-NH-SD-SMP-HP
P2-2-t-nh-sd-SMP-hp
P3-3-T-nh-SD-SMP-hp
P4-A-t-NH-sd-SMP-HP
P5-U-T-NH-sd-SMP-hp
P6---t-nh-SD-smp-hp
N1-S-T-NH-SD-SMP-HP
N2-2-t-nh-sd-SMP-hp
N3-3-T-nh-SD-SMP-hp
N4-A-t-NH-sd-SMP-HP
N5-U-T-NH-sd-SMP-hp
PT1-nh
PT2-NH
TREE01
TREE02
TREE03
TREE04
TREE05
TREE06
TREE07
TREE08
TREE09
SRCU-N
SRCU-P
NT1-nh
NT3-NH

19
tools/testing/selftests/rcutorture/configs/N1-S-T-NH-SD-SMP-HP
View file

@ -1,19 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=8
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

20
tools/testing/selftests/rcutorture/configs/N2-2-t-nh-sd-SMP-hp
View file

@ -1,20 +0,0 @@
CONFIG_RCU_TRACE=n
CONFIG_NO_HZ=n
CONFIG_SMP=y
CONFIG_RCU_FANOUT=4
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

22
tools/testing/selftests/rcutorture/configs/N3-3-T-nh-SD-SMP-hp
View file

@ -1,22 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_NO_HZ=n
CONFIG_SMP=y
CONFIG_RCU_FANOUT=2
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

18
tools/testing/selftests/rcutorture/configs/N4-A-t-NH-sd-SMP-HP
View file

@ -1,18 +0,0 @@
CONFIG_RCU_TRACE=n
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=6
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

22
tools/testing/selftests/rcutorture/configs/N5-U-T-NH-sd-SMP-hp
View file

@ -1,22 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_DEBUG_KERNEL=y
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=6
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=y
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

19
tools/testing/selftests/rcutorture/configs/N6---t-nh-SD-smp-hp
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@ -1,19 +0,0 @@
CONFIG_RCU_TRACE=n
CONFIG_NO_HZ=n
CONFIG_SMP=y
CONFIG_NR_CPUS=1
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

26
tools/testing/selftests/rcutorture/configs/N7-4-T-NH-SD-SMP-HP
View file

@ -1,26 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_DEBUG_KERNEL=y
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=2
CONFIG_NR_CPUS=16
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_NOCB_CPU=y
CONFIG_RCU_NOCB_CPU_NONE=y
CONFIG_RCU_NOCB_CPU_ZERO=n
CONFIG_RCU_NOCB_CPU_ALL=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

22
tools/testing/selftests/rcutorture/configs/N8-2-T-NH-SD-SMP-HP
View file

@ -1,22 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_DEBUG_KERNEL=y
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=14
CONFIG_NR_CPUS=16
CONFIG_RCU_FANOUT_EXACT=y
CONFIG_HOTPLUG_CPU=y
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

20
tools/testing/selftests/rcutorture/configs/P1-S-T-NH-SD-SMP-HP
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@ -1,20 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_NO_HZ=y
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=8
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

20
tools/testing/selftests/rcutorture/configs/P2-2-t-nh-sd-SMP-hp
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@ -1,20 +0,0 @@
CONFIG_RCU_TRACE=n
CONFIG_NO_HZ=n
CONFIG_SMP=y
CONFIG_RCU_FANOUT=4
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

20
tools/testing/selftests/rcutorture/configs/P3-3-T-nh-SD-SMP-hp
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@ -1,20 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_NO_HZ=n
CONFIG_SMP=y
CONFIG_RCU_FANOUT=2
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

22
tools/testing/selftests/rcutorture/configs/P4-A-t-NH-sd-SMP-HP
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@ -1,22 +0,0 @@
CONFIG_RCU_TRACE=n
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=6
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_RT_MUTEXES=y
CONFIG_RCU_BOOST=y
CONFIG_RCU_BOOST_PRIO=2
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

28
tools/testing/selftests/rcutorture/configs/P5-U-T-NH-sd-SMP-hp
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@ -1,28 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=6
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=y
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_DEBUG_KERNEL=y
CONFIG_PROVE_RCU_DELAY=y
CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_RT_MUTEXES=y
CONFIG_RCU_BOOST=y
CONFIG_RCU_BOOST_PRIO=2
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

18
tools/testing/selftests/rcutorture/configs/P6---t-nh-SD-smp-hp
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@ -1,18 +0,0 @@
CONFIG_RCU_TRACE=n
CONFIG_NO_HZ=n
CONFIG_SMP=n
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

30
tools/testing/selftests/rcutorture/configs/P7-4-T-NH-SD-SMP-HP
View file

@ -1,30 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=2
CONFIG_NR_CPUS=16
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_NOCB_CPU=y
CONFIG_RCU_NOCB_CPU_NONE=n
CONFIG_RCU_NOCB_CPU_ZERO=n
CONFIG_RCU_NOCB_CPU_ALL=y
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_SLUB=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

30
tools/testing/selftests/rcutorture/configs/P7-4-T-NH-SD-SMP-HP-all
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@ -1,30 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=2
CONFIG_NR_CPUS=16
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_NOCB_CPU=y
CONFIG_RCU_NOCB_CPU_NONE=y
CONFIG_RCU_NOCB_CPU_ZERO=n
CONFIG_RCU_NOCB_CPU_ALL=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_SLUB=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

30
tools/testing/selftests/rcutorture/configs/P7-4-T-NH-SD-SMP-HP-none
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@ -1,30 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=2
CONFIG_NR_CPUS=16
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_NOCB_CPU=y
CONFIG_RCU_NOCB_CPU_NONE=y
CONFIG_RCU_NOCB_CPU_ZERO=n
CONFIG_RCU_NOCB_CPU_ALL=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_SLUB=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

30
tools/testing/selftests/rcutorture/configs/P7-4-T-NH-SD-SMP-hp
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@ -1,30 +0,0 @@
CONFIG_RCU_TRACE=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=2
CONFIG_NR_CPUS=16
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=n
CONFIG_RCU_NOCB_CPU=y
CONFIG_RCU_NOCB_CPU_NONE=n
CONFIG_RCU_NOCB_CPU_ZERO=y
CONFIG_RCU_NOCB_CPU_ALL=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_SLUB=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

23
tools/testing/selftests/rcutorture/configs/TREE01 Normal file
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@ -0,0 +1,23 @@
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_RCU_TRACE=y
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_FANOUT=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_RCU_NOCB_CPU=y
CONFIG_RCU_NOCB_CPU_ZERO=y
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_PROVE_RCU_DELAY=n
CONFIG_RCU_CPU_STALL_INFO=n
CONFIG_RCU_CPU_STALL_VERBOSE=n
CONFIG_RCU_BOOST=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_PRINTK_TIME=y

1
tools/testing/selftests/rcutorture/configs/TREE01.boot Normal file
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@ -0,0 +1 @@
rcutorture.torture_type=rcu_bh

26
tools/testing/selftests/rcutorture/configs/TREE02 Normal file
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@ -0,0 +1,26 @@
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_FAST_NO_HZ=n
CONFIG_RCU_TRACE=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_RCU_FANOUT=3
CONFIG_RCU_FANOUT_LEAF=3
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=n
CONFIG_PROVE_RCU_DELAY=n
CONFIG_RCU_CPU_STALL_INFO=n
CONFIG_RCU_CPU_STALL_VERBOSE=y
CONFIG_RCU_BOOST=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_PRINTK_TIME=y

23
tools/testing/selftests/rcutorture/configs/TREE03 Normal file
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@ -0,0 +1,23 @@
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_HZ_PERIODIC=y
CONFIG_NO_HZ_IDLE=n
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_TRACE=y
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_FANOUT=4
CONFIG_RCU_FANOUT_LEAF=4
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_PROVE_RCU_DELAY=n
CONFIG_RCU_CPU_STALL_INFO=n
CONFIG_RCU_CPU_STALL_VERBOSE=n
CONFIG_RCU_BOOST=y
CONFIG_RCU_BOOST_PRIO=2
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_PRINTK_TIME=y

25
tools/testing/selftests/rcutorture/configs/TREE04 Normal file
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@ -0,0 +1,25 @@
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=n
CONFIG_NO_HZ_FULL=y
CONFIG_NO_HZ_FULL_ALL=y
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_RCU_TRACE=y
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_RCU_FANOUT=2
CONFIG_RCU_FANOUT_LEAF=2
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_PROVE_RCU_DELAY=n
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_RCU_CPU_STALL_VERBOSE=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_PRINTK_TIME=y

1
tools/testing/selftests/rcutorture/configs/TREE04.boot Normal file
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@ -0,0 +1 @@
rcutorture.torture_type=rcu_bh

25
tools/testing/selftests/rcutorture/configs/TREE05 Normal file
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@ -0,0 +1,25 @@
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_FAST_NO_HZ=n
CONFIG_RCU_TRACE=n
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_FANOUT=6
CONFIG_RCU_FANOUT_LEAF=6
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_RCU_NOCB_CPU=y
CONFIG_RCU_NOCB_CPU_NONE=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y
CONFIG_PROVE_RCU_DELAY=y
CONFIG_RCU_CPU_STALL_INFO=n
CONFIG_RCU_CPU_STALL_VERBOSE=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_PRINTK_TIME=y

1
tools/testing/selftests/rcutorture/configs/TREE05.boot Normal file
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@ -0,0 +1 @@
rcutorture.torture_type=sched

26
tools/testing/selftests/rcutorture/configs/TREE06 Normal file
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@ -0,0 +1,26 @@
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_FAST_NO_HZ=n
CONFIG_RCU_TRACE=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_RCU_FANOUT=6
CONFIG_RCU_FANOUT_LEAF=6
CONFIG_RCU_FANOUT_EXACT=y
CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y
CONFIG_PROVE_RCU_DELAY=n
CONFIG_RCU_CPU_STALL_INFO=n
CONFIG_RCU_CPU_STALL_VERBOSE=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_PRINTK_TIME=y

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CONFIG_SMP=y
CONFIG_NR_CPUS=16
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=n
CONFIG_NO_HZ_FULL=y
CONFIG_NO_HZ_FULL_ALL=y
CONFIG_NO_HZ_FULL_SYSIDLE=y
CONFIG_RCU_FAST_NO_HZ=n
CONFIG_RCU_TRACE=y
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_FANOUT=2
CONFIG_RCU_FANOUT_LEAF=2
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_PROVE_RCU_DELAY=n
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_RCU_CPU_STALL_VERBOSE=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_PRINTK_TIME=y

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CONFIG_SMP=y
CONFIG_NR_CPUS=16
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_FAST_NO_HZ=n
CONFIG_RCU_TRACE=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_RCU_FANOUT=3
CONFIG_RCU_FANOUT_EXACT=y
CONFIG_RCU_FANOUT_LEAF=2
CONFIG_RCU_NOCB_CPU=y
CONFIG_RCU_NOCB_CPU_ALL=y
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_PROVE_RCU_DELAY=n
CONFIG_RCU_CPU_STALL_INFO=n
CONFIG_RCU_CPU_STALL_VERBOSE=n
CONFIG_RCU_BOOST=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_PRINTK_TIME=y

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CONFIG_SMP=n
CONFIG_NR_CPUS=1
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_TRACE=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_PROVE_RCU_DELAY=n
CONFIG_RCU_CPU_STALL_INFO=n
CONFIG_RCU_CPU_STALL_VERBOSE=n
CONFIG_RCU_BOOST=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_PRINTK_TIME=y

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CONFIG_RCU_TRACE=y
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_NO_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=n
CONFIG_NO_HZ_FULL=y
CONFIG_NO_HZ_FULL_SYSIDLE=n
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=8
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y

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CONFIG_RCU_TRACE=y
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_NO_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=n
CONFIG_NO_HZ_FULL=y
CONFIG_NO_HZ_FULL_SYSIDLE=y
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=8
CONFIG_NR_CPUS=8
CONFIG_RCU_FANOUT_EXACT=n
CONFIG_HOTPLUG_CPU=y
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
#CHECK#CONFIG_TREE_PREEMPT_RCU=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_MODULE_UNLOAD=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_PRINTK_TIME=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y

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This document gives a brief rationale for the TREE_RCU-related test
cases, a group that includes TREE_PREEMPT_RCU.
Kconfig Parameters:
CONFIG_DEBUG_LOCK_ALLOC -- Do three, covering CONFIG_PROVE_LOCKING & not.
CONFIG_DEBUG_OBJECTS_RCU_HEAD -- Do one.
CONFIG_HOTPLUG_CPU -- Do half. (Every second.)
CONFIG_HZ_PERIODIC -- Do one.
CONFIG_NO_HZ_IDLE -- Do those not otherwise specified. (Groups of two.)
CONFIG_NO_HZ_FULL -- Do two, one with CONFIG_NO_HZ_FULL_SYSIDLE.
CONFIG_NO_HZ_FULL_SYSIDLE -- Do one.
CONFIG_PREEMPT -- Do half. (First three and #8.)
CONFIG_PROVE_LOCKING -- Do all but two, covering CONFIG_PROVE_RCU and not.
CONFIG_PROVE_RCU -- Do all but one under CONFIG_PROVE_LOCKING.
CONFIG_PROVE_RCU_DELAY -- Do one.
CONFIG_RCU_BOOST -- one of TREE_PREEMPT_RCU.
CONFIG_RCU_BOOST_PRIO -- set to 2 for _BOOST testing.
CONFIG_RCU_CPU_STALL_INFO -- do one with and without _VERBOSE.
CONFIG_RCU_CPU_STALL_VERBOSE -- do one with and without _INFO.
CONFIG_RCU_FANOUT -- Cover hierarchy as currently, but overlap with others.
CONFIG_RCU_FANOUT_EXACT -- Do one.
CONFIG_RCU_FANOUT_LEAF -- Do one non-default.
CONFIG_RCU_FAST_NO_HZ -- Do one, but not with CONFIG_RCU_NOCB_CPU_ALL.
CONFIG_RCU_NOCB_CPU -- Do three, see below.
CONFIG_RCU_NOCB_CPU_ALL -- Do one.
CONFIG_RCU_NOCB_CPU_NONE -- Do one.
CONFIG_RCU_NOCB_CPU_ZERO -- Do one.
CONFIG_RCU_TRACE -- Do half.
CONFIG_SMP -- Need one !SMP for TREE_PREEMPT_RCU.
RCU-bh: Do one with PREEMPT and one with !PREEMPT.
RCU-sched: Do one with PREEMPT but not BOOST.
Hierarchy:
TREE01. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=8, CONFIG_RCU_FANOUT_EXACT=n.
TREE02. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=3, CONFIG_RCU_FANOUT_EXACT=n,
CONFIG_RCU_FANOUT_LEAF=3.
TREE03. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=4, CONFIG_RCU_FANOUT_EXACT=n,
CONFIG_RCU_FANOUT_LEAF=4.
TREE04. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=2, CONFIG_RCU_FANOUT_EXACT=n,
CONFIG_RCU_FANOUT_LEAF=2.
TREE05. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=6, CONFIG_RCU_FANOUT_EXACT=n
CONFIG_RCU_FANOUT_LEAF=6.
TREE06. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=6, CONFIG_RCU_FANOUT_EXACT=y
CONFIG_RCU_FANOUT_LEAF=6.
TREE07. CONFIG_NR_CPUS=16, CONFIG_RCU_FANOUT=2, CONFIG_RCU_FANOUT_EXACT=n,
CONFIG_RCU_FANOUT_LEAF=2.
TREE08. CONFIG_NR_CPUS=16, CONFIG_RCU_FANOUT=3, CONFIG_RCU_FANOUT_EXACT=y,
CONFIG_RCU_FANOUT_LEAF=2.
TREE09. CONFIG_NR_CPUS=1.
Kconfig Parameters Ignored:
CONFIG_64BIT
Used only to check CONFIG_RCU_FANOUT value, inspection suffices.
CONFIG_NO_HZ_FULL_SYSIDLE_SMALL
Defer until Frederic uses this.
CONFIG_PREEMPT_COUNT
CONFIG_PREEMPT_RCU
Redundant with CONFIG_PREEMPT, ignore.
CONFIG_RCU_BOOST_DELAY
Inspection suffices, ignore.
CONFIG_RCU_CPU_STALL_TIMEOUT
Inspection suffices, ignore.
CONFIG_RCU_STALL_COMMON
Implied by TREE_RCU and TREE_PREEMPT_RCU.
CONFIG_RCU_TORTURE_TEST
CONFIG_RCU_TORTURE_TEST_RUNNABLE
Always used in KVM testing.
CONFIG_RCU_USER_QS
Redundant with CONFIG_NO_HZ_FULL.
CONFIG_TREE_PREEMPT_RCU
CONFIG_TREE_RCU
These are controlled by CONFIG_PREEMPT.