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author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-12-31 18:33:22 -0800 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-03-31 13:37:38 -0700 |
commit | 8704baab9bc848b58c129fed6b591bb84ec02f41 (patch) | |
tree | 098899e1e6a460227348ae6012b573df4f38266b /lib | |
parent | 291783b8ad77a83a6fdf91d55eee7f1ad72ed4d1 (diff) | |
download | linux-stable-8704baab9bc848b58c129fed6b591bb84ec02f41.tar.gz linux-stable-8704baab9bc848b58c129fed6b591bb84ec02f41.tar.bz2 linux-stable-8704baab9bc848b58c129fed6b591bb84ec02f41.zip |
rcutorture: Add RCU grace-period performance tests
This commit adds a new rcuperf module that carries out simple performance
tests of RCU grace periods.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Kconfig.debug | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1e9a607534ca..f4b797a690ba 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1289,6 +1289,39 @@ config TORTURE_TEST tristate default n +config RCU_PERF_TEST + tristate "performance tests for RCU" + depends on DEBUG_KERNEL + select TORTURE_TEST + select SRCU + select TASKS_RCU + default n + help + This option provides a kernel module that runs performance + tests on the RCU infrastructure. The kernel module may be built + after the fact on the running kernel to be tested, if desired. + + Say Y here if you want RCU performance tests to be built into + the kernel. + Say M if you want the RCU performance tests to build as a module. + Say N if you are unsure. + +config RCU_PERF_TEST_RUNNABLE + bool "performance tests for RCU runnable by default" + depends on RCU_PERF_TEST = y + default n + help + This option provides a way to build the RCU performance tests + directly into the kernel without them starting up at boot time. + You can use /sys/module to manually override this setting. + This /proc file is available only when the RCU performance + tests have been built into the kernel. + + Say Y here if you want the RCU performance tests to start during + boot (you probably don't). + Say N here if you want the RCU performance tests to start only + after being manually enabled via /sys/module. + config RCU_TORTURE_TEST tristate "torture tests for RCU" depends on DEBUG_KERNEL |