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Diffstat (limited to 'rcutorture/doc/TREE_RCU-kconfig.txt')
| -rw-r--r-- | rcutorture/doc/TREE_RCU-kconfig.txt | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/rcutorture/doc/TREE_RCU-kconfig.txt b/rcutorture/doc/TREE_RCU-kconfig.txt deleted file mode 100644 index 3e588db..0000000 --- a/rcutorture/doc/TREE_RCU-kconfig.txt +++ /dev/null @@ -1,94 +0,0 @@ -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_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. |