From: Paul E. McKenney Date: Tue, 27 Jun 2006 09:54:02 +0000 (-0700) Subject: [PATCH] rcutorture: catchup doc fixes for idle-hz tests X-Git-Tag: v2.6.18-rc1~549 X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=29766f1eb3d8d6cfaf1d6623fb4c3f7e5a822fe4;p=linux-2.6-omap-h63xx.git [PATCH] rcutorture: catchup doc fixes for idle-hz tests This just catches the RCU torture documentation up with the recent fixes that test RCU for architectures that turn of the scheduling-clock interrupt for idle CPUs and the addition of a SUCCESS/FAILURE indication, fixing up an obsolete comment as well. Signed-off-by: Paul E. McKenney Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/Documentation/RCU/torture.txt b/Documentation/RCU/torture.txt index e4c38152f7f..d896685a910 100644 --- a/Documentation/RCU/torture.txt +++ b/Documentation/RCU/torture.txt @@ -35,6 +35,15 @@ stat_interval The number of seconds between output of torture be printed -only- when the module is unloaded, and this is the default. +shuffle_interval + The number of seconds to keep the test threads affinitied + to a particular subset of the CPUs. Used in conjunction + with test_no_idle_hz. + +test_no_idle_hz Whether or not to test the ability of RCU to operate in + a kernel that disables the scheduling-clock interrupt to + idle CPUs. Boolean parameter, "1" to test, "0" otherwise. + verbose Enable debug printk()s. Default is disabled. @@ -119,4 +128,5 @@ The following script may be used to torture RCU: The output can be manually inspected for the error flag of "!!!". One could of course create a more elaborate script that automatically -checked for such errors. +checked for such errors. The "rmmod" command forces a "SUCCESS" or +"FAILURE" indication to be printk()ed. diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index 8154e7589d1..2a65bd8a3d1 100644 --- a/kernel/rcutorture.c +++ b/kernel/rcutorture.c @@ -1,5 +1,5 @@ /* - * Read-Copy Update /proc-based torture test facility + * Read-Copy Update module-based torture test facility * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by